Information received from the National Operations Centre (NOC) by the Aviation Operations Centre (AVOPS): On take-off from Ivujivik, QC (CYIK), an Air Inuit de Havilland DHC-8-314 (AIE803) from Ivujivik, QC (CYIK) to Akulivik, QC (CYKO) reported landing gear issues and declared an emergency. The aircraft requested to be re-routed to Puvirnituq, QC (CYPX). AIE803 was on the ground at CYPX at 1707Z, without incident.
UPDATE: Aviation Incident Report #17468: An Air Inuit de Havilland DHC-8-314 (C-GRAI/AIE803) from Ivujivik, QC (CYIK) to Akulivik, QC (CYKO) was inbound for CYKO, but re-routed to Puvirnituq, QC (CYPX) due to a gear problem. AIE803 called CYPX universal communications (UNICOM) and declared an emergency. Their estimated time of arrival was 1654Z. Emergency services were called (fire, ambulance and police). AIE803 had 25 passengers plus 3 crew on board with 4,000 lbs of fuel. At 1700Z, emergency services were ready as standby for the aircrafts emergency arrival. At 1707Z, AIE803 landed safely without accident or damages, and no injuries. The gears of the aircraft were not fully extended.
UPDATE: TSB Report #A21Q0135: C-GRAI, an Air Inuit de Havilland DHC8-314 was on flight AIE803 under instrument flight rules from Salluit, QC (CYZG) to Ivujivik, QC (CYIK) with 3 crew members and 25 passengers on board. Upon approach to CYIK, the landing gear did not extend and the aircraft pulled up. The crew then decided to head towards Puvirnituq, NU (CYPX) and successfully extended the landing gear manually. An emergency was declared. The aircraft landed safely at 17:07.

After receiving and reading back the "turn 080" instruction, an Air Inuit Boeing 737-275C (C-GOPW/AIE781), from Puvirnituq, QC (CYPX) to Montréal/Pierre Elliott Trudeau, QC (CYUL) was observed on course 130. The Air Traffic Service (ATS) unit advised the aircraft to "turn course 060". The separation between AIE781 and a Jazz de Havilland DHC-8-402 (C-GYJZ/JZA8715), from Québec/Jean-Lesage, QC (CYQB) to Montréal/Pierre-Elliott Trudeau, QC (CYUL) was reduced to 2.6 NM. No further impact on operations.
UPDATE: TSB Report #A21Q0125: C-GOPW, an Air Inuit Boeing 737-200, was on flight AIE781 under instrument flight rules from Puvirnituq, QC (CYPX) to Montréal/Pierre Elliott Trudeau International, QC (CYUL). On approach to CYUL, AIE781 was observed following a heading of 130°, and air traffic services (ATS) instructed the aircraft to turn on a heading of 060°. Separation with C-GYJZ, a Jazz Aviation de Havilland DHC8 operating as JZA715 on a flight from Québec/Jean Lesage, QC (CYQB) to CYUL, was reduced to 2.6 NM horizontally, whereas the required separation is 3 NM.

A Provincial Airlines de Havilland DHC-8-314 (C-GYCV/PVL411) on a flight from Deer Lake, NL (CYDF) to St. Johns Intl, NL (CYYT) at about 15NM final Runway 16 declared an emergency through Gander (YQX) Area Control Centre (ACC) due to a hydraulic failure. The aircraft landed at 1854Z without incident, taxied in and cancelled emergency.
UPDATE TSB Report #A20A0002: C-GYCV, a De Havilland DHC8-300 aircraft operated by PAL Airlines, was conducting flight PVL411 from Deer Lake (CYDF) , NL to St. John’s Intl. (CYYT), NL. When the aircraft was approximately 15NM final from RWY 16 the crew contacted Gander Area Control Center and declared an emergency due to a hydraulic failure. The aircraft landed uneventfully with airport rescue and firefighting standing by. Company maintenance determined that a flared fitting on the number one (#1) hydraulic system manifold had cracked which depleted the fluid level below the quantity required for the system to work. The aircraft was repaired and returned to service. The company has submitted a Service Difficulty Report to Transport Canada.

A Provincial Airlines de Havilland DHC-8-311 (C-GPAR/PVL1909) from Sept-Îles, QC (CYZV) to Quebec/Jean Lesage, QC (CYQB) declared an emergency because of a gauge malfunction and a power lever malfunction. PVL1909 asked for the Aircraft Rescue and Fire Fighting (ARFF) team to be on standby at CYQB airport. Landed at CYQB without further incident. No impact on operations.
Update TSB Report #A19Q0169: C-GPAR, a PAL Airlines DHC8-300 was on instrument flight rules (IFR) flight PVL1909 from Sept-Îles, QC (CYZV) to Quebec/Jean Lesage Intl, QC (CYQB). While the aircraft was approximately 35 miles north-northeast of Mont-Joli QC, the flight crew received a Beta system malfunction alarm (engine power control). The circuit breaker was opened to stop the alarm from sounding. The crew then observed a fluctuation in the oil pressure indication, but without an oil pressure alert. An emergency was declared as a precaution and the aircraft continued its route to CYQB where the aircraft landed without a problem. Maintenance staff replaced the microswitches on the engine 1 and 2 power controls and repaired the electrical harness.

A Jazz de Havilland DHC-8-402 (C-GJZF/JZA7953) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) reported a possible blown tire while taking off from Runway 06L. Runway 06L was inspected and nothing was found. A Porter Airlines de Havilland DHC-8-402 (POE454) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) was delayed until 1206Z. JZA7953 returned and landed on Runway 06R at 1213Z without incident. No emergency declared.
Update - TSB #A19Q0071: a Jazz Aviation LP Bombardier DHC8-400 (C-GJZF/JZA7953) flew on instrument from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop Toronto City, ON (CYTZ) with 4 crew members and 71 passengers on board. After takeoff from CYUL, the flight crew declared an emergency after having felt strong vibrations coming from the nose wheel, accompanied by a rubber smell. The aircraft returned to CYUL where it landed without incident. No one was injured.

TSB Report #A19O0134: C-GENV, a de Havilland DHC8-400 operated by WestJet Encore as WEN3504, was taxiing out following pushback for departure from London (CYXU), Ontario bound for Toronto/LBPIA (CYYZ), Ontario. The flight crew detected a burning electrical smell, which the Flight Attendant also reported, followed by traces of visible smoke near the front of the cabin. Flight crew completed the appropriate checklist resulting in both engines being shutdown, and requested a tow back to the gate. The passengers were deplaned normally, and no emergency services were requested. Maintenance discovered a defective recirculation fan, applied the MEL, and returned the aircraft to service.

A WestJet Encore de Havilland DHC-8-402 (WEN3209) from Saskatoon, SK (CYXE) to Edmonton, AB (CYEG) diverting to Calgary, AB (CYYC) after a missed approach in Edmonton declared minimum fuel and requested priority. One aircraft, a WestJet Boeing 737-800 (WJA538) from Victoria, BC (CYYJ) to Calgary, AB (CYYC) was pulled off the approach to follow WEN3209.
Update TSB #A19W0091: C-FTEN, a De Havilland of Canada DHC8-402 aircraft operated by WestJet Encore, was conducting flight WEN3209 from Saskatoon/John D. Diefenbaker Intl (CYXE), SK to Edmonton Intl (CYEG), AB with 4 crew members and 22 passengers on board. On approach into CYEG, the flight crew executed a missed approach due to misreading a NOTAM and elected to divert to Calgary Intl (CYYC), AB. On approach into CYYC, the crew declared a "min fuel" state with ATS and requested priority handling. Another aircraft was pulled off the approach to accommodate WEN3209 and subsequently landed after WEN3209 had landed. WEN3209 completed an uneventful landing in CYYC. The aircraft landed in CYYC with more than the min fuel required for the flight.

A Canadian North Inc. de Havilland DHC-8-311 (C-GJCN/MPE1550) from Calgary Intl, AB (CYYC) to Primrose, AB (CFN6) requested descent due to a cabin pressure issue. After descent, the aircraft requested a return to CYYC. The aircraft landed at 1504Z without incident. No impact to operations.
Update TSB Report #A19W0027:C-GJCN, a de Havilland DHC-8-300 aircraft operated by Canadian North, was conducting flight MPE1550 from Calgary Intl (CYYC), AB to Primrose (CFN6), AB with 3 crew members and 23 passengers on board. During the climb through 18 000 feet ASL, the pressurization was lost. The flight crew initiated an emergency descent to 10 000 feet ASL, and requested a return to CYYC. Control of the pressurization was regained during the descent, through manual mode. The aircraft continued to CYYC where it landed without further incident.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into the occurrence. This situation was found to be caused by a flexible duct that attaches to the recirculation fan via a hose clamp, had popped off. With this duct disconnected there was a large pressurization leak in the cabin that resulted in the fairly rapid decompression. This event was captured in the companys Safety Management System (SMS). Because of this situation, a fleet campaign was created to inspect all the other DHC8 aircraft to ensure the similar duct connections were secure. A Technical Information Bulletin was also created to educate all the companys aircraft maintenance engineers (AMEs) of this problem, how it occurred, what to look for to prevent future occurrences.

TSB Report #A18Q0204: an Air Creebec DHC8-314 (C-FNXN/CRQ534) on an instrument flight rules (IFR) flight from Baie-Comeau, QC (CYBC) to Mont-Joli, QC (CYYY) had 3 crew members and 12 passengers on board. After passengers had boarded, the engines were not yet running but the nacelle of the vehicle that was applying de-icing fluid hit a blade in the left propeller. No one was injured.

UPDATE: TSB Report #A18Q0098: N525EZ, a Cessna 525C business aircraft, was on a private IFR flight from Montreal/Pierre Elliott Trudeau International, QC (CYUL) to Westchester County/White Plains, NY (KHPN). Shortly after takeoff from Runway 06R, N525EZ deviated to the left to avoid a flock of birds. By doing this, it came close to JZA716, a Jazz DHC8-300 (C-FACF), which had taken off before it toward Jean Lesage Intl, QC (CYQB), and which was north of the centreline. Air traffic services (ATS) instructed N525EZ to turn right on a heading of 090 to re-establish separation, which had been reduced to 1.8 NM while the standard was 2 NM. However, there was no real risk of collision.
An American, corporately registered Cessna 525C (N525EZ) from Montreal/Pierre Elliott Trudeau International, QC (CYUL) to Westchester County, NY (KHPN), after departure from Runway 06R, deviated to the left to avoid a flock of birds. In doing so, N525EZ approached a Jazz de Havilland DHC-8-311 (C-FACF/JZA8716) from Montreal/Pierre Elliott Trudeau International, QC (CYUL) to Quebec City/Jean Lesage International, QC (CYQB) which was on a 025 degree trajectory north of the axis. Air traffic services (ATS) ordered N525EZ to turn to the right at heading 090 to restore spacing. The operational impact involved a reduction in spacing to 1.8NM before vertical spacing.

Aviation incident report #15253: the community aerodrome radio station (CARS) at CYAS did not issue weather observations. An Air Inuit Twin Otter and a DHC8 had to conduct a go-around because an Air Inuit employee reported poor weather conditions.

A Jazz de Havilland DHC8-301 (C-GHTA/ JZA8560) from Vancouver, BC (CYVR) to Smithers, BC (CYYC) reported a traffic alert and collision avoidance system (TCAS) advisory.

A WestJet Boeing 737-8CT (C-GAWS/WJA211) from Calgary, AB (CYYC) to Vancouver, BC (CYVR) was instructed to conduct a missed approach Runway 08L due to the preceding de Havilland DHC8's deteriorating speed inside the final approach fix. Very strong headwinds appear to be the contributing factor.

The pilot of a Jazz de Havilland DHC8-102 (C-GJIG/JZA8003) form Kingston, ON (CYGK) to Toronto, ON (CYYZ) reported that they may have struck a small bird during takeoff roll. No bird carcass found.

UPDATE: TSB Report#A17O0007: C-GVEN, a De Havilland DHC8-402, operated by WestJet Encore was conducting flight 3508 from London, Ontario (CYXU) to Lester B. Pearson Intl - Toronto (CYYZ). At approximately 2000' ASL, on final approach for Runway 24R, the flight crew was notified by the cabin crew that they heard a whistling sound followed by 2 loud bangs. The flight crew observed a depressurization and declared a MAYDAY. The aircraft landed uneventfully and taxied to the gate. Maintenance personnel found the aft baggage door seal valve frozen and the blow out panel between the aft galley and the cargo compartment dislodged. The valve was thawed and the blowout panels reinstalled. The aircraft was returned to service.
UPDATE from National Flight Operations: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On approach, the crew experienced 3 loud bang noises and a hissing noise from the rear. Maintenance determined that the rear panel bulkhead was ruptured.
A WestJet Encore de Havilland DHC-8-400 (WEN3508) from London, ON (CYXU) to Toronto, ON (CYYZ), on final Runway 24R, declared Mayday Mayday due to decompression at 2032Z and requested priority. The aircraft landed at 2036Z safely, emergency vehicles were on standby.

After a report of birds on Runway 24 near Taxiway ALFA, a de Havilland DHC8-402 (C-GLQJ/POE515), from Toronto (CYTZ), ON, to Québec (CYQB), QC, had to pull up on final for Runway 24. The departure of a Glencore Canada Corporation Boeing 737-2S2C (C-GXNR/RAG200), from CYQB to Montréal (CYUL), QC, which was lined up at the threshold of Runway 24, was delayed by 8 minutes.

Update TSB #A16Q0098: An Air Canada A320 (C-FZQS) was climbing on a heading of 330° to 7000 ft on departure from Dorval (CYUL), QC, to Calgary (CYYC), AB. Loss of separation with a Porter Airlines DHC8-400 (C-GLQL) climbing to 3000 ft on a heading of 280° to Toronto (CYTZ), ON. Separation was reduced to 1.9 NM laterally and 900 ft vertically even though it should have been 3 NM laterally and 1000 ft vertically.
While an Air Canada Airbus A320-214 (C-FZQS/ACA155), from Montréal (CYUL), QC, to Calgary (CYYC), AB, was climbing to 7000 ft on heading of 330 and a Porter Airlines de Havilland DHC-8-402 (C-GLQL/POE434), from CYUL, to Toronto (CYTZ), ON, was taking off from Runway 28 and climbing to 3 000 ft while following the runway heading, separation was reduced to 1.9 NM laterally and 900 ft vertically. No impact on operations.

A Provincial Airlines de Havilland DHC-8-102 (C-FDND/PVL1902), from Québec (CYQB), QC, to Sept-Îles (CYZV), QC, declared an emergency after shutting off an engine because of an abnormal oil pressure indication. PVL1902 landed without incident at CYZV at 1305Z. Emergency services were notified and deployed. Joint Rescue Coordination Centre (JRCC) Halifax, the Transportation Safety Board of Canada (TSB) and the Aviation Operations Centre were notified. No impact on operations.
Update TSB#A16Q0044: A Provincial Airlines de Havilland DHC8-102 (C-FDND/ PVL1902) was on an IFR flight from Québec/Jean Lesage (CYQB), QC, to Sept-Îles (CYZV), QC, with three crew members and 25 passengers on board. At 50 NM southwest of Baie-Comeau airport (CYBC), QC, the crew declared an emergency after shutting off engine no.2 (PWC PW121) following an abnormal oil pressure indication. The aircraft then landed without difficulty at CYZV. No one was injured.

UPDATE According to the TSB Final Report A16Q0020 authorized for release on 02 August 2017: The Jazz Aviation LP (doing business as Air Canada Express) DHC-8-102 (registration C-GJMO, serial number 079) was operating as flight 8964 (JZA8964) from Montréal/Pierre Elliott Trudeau International Airport, Quebec, to Mont-Joli Airport, Quebec, with 24 passengers and 3 crew members on board. At 1852 Eastern Standard Time, the Montréal Area Control Centre cleared JZA8964 for the area navigation approach for Runway 06 at Mont-Joli. As the aircraft was descending through 2480 feet above sea level with the landing gear down, the aircraft encountered moderate turbulence. The maximum landing gear extended speed was exceeded, and the pilot flying disconnected the autopilot. The pilot flying experienced temporary difficulty controlling the aircraft but was able to maintain the approach profile and carry out the landing with no further difficulty. After landing, the aircraft taxied normally to the air terminal, and the passengers disembarked. There were no injuries and no damage to the aircraft. The occurrence took place during the hours of darkness.
TSB occurrence #A16Q0020: A Jazz Aviation LP DHC8-100 (C-GJMO/ JZA8964) was on an Instrument Flight Rules flight from Montréal/Pierre Elliott Trudeau Intl Airport (CYUL), QC, to Mont-Joli (CYYY), QC, with 24 passengers and 3 crew members. During descent in icing conditions, ice accumulation occurred and the de-icing system appeared to work normally. While intercepting the final approach, the aircraft experienced turbulence and a loss of elevator effectiveness. After increasing the speed, the pilot-in-command managed to regain control of the aircraft. The crew continued the approach and the aircraft landed without further difficulties. No one was injured and the aircraft was not damaged. Once on the ground, the crew noted that the de-icing system had not worked on the left wing and the left horizontal stabilizer.

Update (Maintenance): A civil aviation safety inspector (CASI) looked into this incident. The CASI communicated with the operator to obtain more information. The air cycle machine (ACM) was replaced. The CASI was satisfied with the information provided and indicated that no other follow-up by Transport Canada was required for the time being.
TSB #A16Q0019: An Air Inuit DHC8-100 (C-FDAO/ AIE850) was preparing to conduct an IFR flight from Montréal/Pierre Elliott Trudeau Intl Airport (CYUL), QC, to Val-d?Or (CYVO), QC. On the ground, after starting the engines, the crew noticed the slight smell of smoke in the cockpit. The crew member communicated with the cockpit to report the smell of smoke in the cabin and that smoke was also visible. The smoke detector in the bathroom was set off. The crew conducted the check list (QRH), the engines were stopped and the passengers disembarked. An inspection of the aircraft did not reveal any evidence of a fire.

A de Havilland DHC8-8-102 (C-GCTC/JZA8660), from Ottawa/Macdonald-Cartier, ON (CYOW) to Montréal/Pierre Elliott Trudeau, QC (CYUL) was targeted by a green laser at 2.7 NM from the threshold of Runway 24R. Montréal police (SPVM) were notified at 0156Z. No impact on operations.

UPDATE TSB#A16Q0014: A Pascan Aviation BAE Jetstream 32-12 (C-GPPS/PSC482), with two crew members and one passenger on board, was conducting an IFR flight from Québec/Jean Lesage Intl (CYQB), QC, to Montréal/St-Hubert (CYHU), QC. On takeoff from Runway 06, the crew received a TCAS resolution advisory (RA) due to a loss of separation with a Royal Canadian Mounted Police (RCMP) Cessna 208B (C-FRPH/ SST377), which was conducting VFR orbits level at 2 000 ft near the threshold of Runway 24. The CYQB control tower had instructed SST377 to remain south of Runway 06/24. PSC482 had to momentarily abort its climb. Four minutes later, a Hydro-Québec DHC8-400 (C-GHQL/ HYD106) took off from Runway 06. While passing through 1 700 ft, HYD106 also received a TCAS RA due to the presence of SST377. HYD106 then started a descent to 1 200 ft.
Update AOR #197174-V2: A Hydro-Quebec de Havilland DHC-8-402 (C-GHQL/HYD106), from Québec/Jean Lesage, QC (CYQB) to Bagotville, QC (CYBG), received a Traffic Alert and Collision Avoidance System (TCAS) Resolution Advisory (RA) on departure from Runway 06. The alert came from a RCMP Air Services Branch Cessna 208 (SST377), from Montréal/St-Hubert, QC (CYHU) to Québec/Jean Lesage, QC (CYQB), which was conducting circuits above the Service aérien gouvernemental aircraft at 2 000 ft. SST337 had received the instruction to remain south of Runway 06/24 and the aircraft had exchanged position information. Separation, however, was not ensured between SST377, which was conducting circuits at 2 000 ft above the airport, and a Pascan Aviation British Aerospace Jetstream Model 3212 (C-GPPS/PSC482), from Québec/Jean Lesage, QC (CYQB) to Montréal/St-Hubert, QC (CYHU), which was taking off from Runway 06 for an IFR flight. No impact on operations.
A Hydro-Quebec de Havilland DHC-8-402 (C-GHQL/HYD106), from Québec/Jean Lesage, QC (CYQB) to Bagotville, QC (CYBG), received a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) on departure from Runway 06. The aircraft was a RCMP Air Services Branch Cessna 208 (SST377), from Montréal/St-Hubert, QC (CYHU) to Québec/Jean Lesage, QC (CYQB), flying above the Service aérien gouvernemental aircraft at 2 000 ft. SST377?s restriction was that it was to remain south of Runway 06/24; the aircraft positions were exchanged. No impact on operations.

TSB #A16Q0005: An Air Inuit de Havilland DHC8-300 (C-GUAI/ AIE860), was on a flight from Ivujivik, QC (CYIK) to La Grande Rivière, QC (CYGL). The takeoff had to be aborted after loss of power in engine no. 1 (PW123B) and the uncommanded feathering of the propeller. Examination of the aircraft revealed that the engine no. 1 air intake plug had not been taken off before the flight. The operator conducted a SMS investigation to determine the contributing factors and the safety measures to be implemented to avoid a reoccurrence of this type of event.
Update (Commercial and Business Aviation): A civil aviation safety inspector (CASI) looked into this incident. The CASI communicated with the operator to obtain more information. The company took the necessary measures so that this type of incident does not recur. The CASI was satisfied with the information provided and indicated that no other follow-up by Transport Canada was required for the time being.

TSB#A16P0063: C-FADF, a Jazz Aviation Lp DHC8-300 aircraft, was operating as flight JZA8245 from Terrace, BC (CYXT) to Vancouver Intl, BC (CYVR). While in cruise, a passenger required first aid. The flight crew declared a medical emergency and received priority handling by ATC.

UPDATE: TSB#A16P0066: A Jazz DHC8-300, C-GNON, operating as JZA8417 had been cleared for take off RWY 34 at Kelowna (CYLW). The crew experienced difficulty with flight controls, rejected the take off and taxied off the runway. Maintenance personnel inspected the cockpit under-floor cable runs and quadrants and found that the left-hand elevator bearings were dry and required lubrication. Subsequent follow-up work replaced the left-hand elevator bearings.
A Jazz de Havilland DHC-8-301 (C-GNON / JZA8417) from Kelowna, BC (CYLW) to Vancouver, BC (CYVR) which had been cleared for take off from Runway 34 had to reject take off and taxi off the Runway. A Pacific Coastal Airlines Limited Beech 1900C (C-FPCV / PCO676) from Cranbrook, BC (CYXC) to Kelowna, BC (CYLW) which was on final approach for Runway 34 had to be pulled up.

UPDATE: TSB#A16P0059: The WestJet Encore DHC8-402, C-FIWE, was operating as flight WEN3290 from Prince George, BC (CYXS), to Vancouver Intl, BC (CYVR). During the approach into CYVR, the flight crew received a number one engine hydraulic pump caution warning light. The crew declared an emergency, requested Airport Rescue and Fire fighting (ARFF) and carried out an uneventful landing. The operator?s maintenance identified a hydraulic fluid leak in the main landing gear wheel well.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The CASI contacted the operator involved for more information and was provided with additional details of this occurrence. #1 hydraulic fluid quantity was depleted during flight, and the aircraft continued to destination and landed without incident. The pressure/fill adaptor on the #1 hydraulic manifold assembly was found leaking and a damaged o-ring was replaced. An hydraulic system inspection was carried out with filters replaced and satisfactory checks completed. A service difficulty report (SDR) has been submitted. The CASI was satisfied with the information provided, the maintenance actions taken and advised that no further follow-up action by Transport Canada was required at this time.
A WestJet Encore de Havilland DHC-8-400 (C-FIWE / WEN3290) from Prince George, BC (CYXS) to Vancouver, BC (CYVR) executed a missed approach off Runway 08L and advised of a maintenance issue. WEN3290 cancelled instrument flight rules (IFR), declared an emergency and advised the issue was a hydraulic problem. Aircraft Rescue and Fire Fighting (ARFF) was called out. WEN3290 landed safely on Runway 08R. There was no other operational impact.

A Jazz de Havilland DHC-8-301 (C-GSTA / JZA8259) from Vancouver, BC (CYVR) to Nanaimo, BC (CYCD) returned due to an indication in the cockpit. The Tower initiated a precautionary standby and JZA8259 landed without incident. No impact to operations.
UPDATE: TSB#A16P0056: C-GSTA, a Jazz Aviation Lp DHC8-300, was operating as flight JZA8259 from Vancouver Intl, BC (CYVR) to Nanaimo, BC (CYCD). After departure, the crew received an indication that the autofeather system had not disarmed. The aircraft returned to Vancouver where maintenance replaced the number 1 torque signal condition unit (TSCU).

TSB#A16P0040: C-FNXN, a North Cariboo Air DHC8-300 operating as flight NCB1020, was taxiing out for departure at Vancouver Intl, BC (CYVR). During taxi, the crew observed an ?R TRU? (transformer rectifier unit) and a number 2 ?SPU AUX? (AC electrical power failure to the number 2 hydraulic system electric standby pump) caution indications. Subsequently, the number 2 propeller RPM dropped to 400 RPM and almost immediately, the N1 on the number 2 engine increased to 91- 93%. The crew shut the right engine down (Pratt and Whitney PW123B) as a precaution. While shutting down the engine, the number 2 torque rose to 115%. The crew taxied back to the terminal with no further events. The over-torque condition lasted for less than one second which was within limitations. The operator?s maintenance inspected the aircraft and replaced the Electronic Engine Control (EEC) and Mechanical Fuel Control Unit (MFCU). The aircraft was returned to service.

Update from the Pilot: The aircraft pilot did not ask for immediate descent, nor did they say the elevator was not working. They stated that they had a minor problem with the elevator trim possibly being frozen and requested early descent to try and melt possible frozen trim.
On initial check-in, a Government of Canada, Department of Transport de Havilland DHC-8-102 (C-GSUR/TGO951) on a local flight out of Vancouver, BC (CYVR) reported an inoperable elevator at 17,000 feet. TGO951 suspected the equipment deficiency was do to icing and requested an immediate descent. At 3000 TGO951 reported full equipment operability and returned to CYVR. One departure (JZA8066) was delayed at Victoria, BC (CYYJ) by 5 minutes.
UPDATE: TSB#A16P0035: C-GSUR, a Government of Canada DHC8-102 operating as flight TGO951, was on a local flight from Vancouver Intl, BC (CYVR). On initial check-in with ATC, TGO951 reported an inoperable elevator at 17 000 feet. The flight crew suspected the equipment deficiency was due to icing and requested an immediate descent. Once at 3 000 feet, TGO951 reported full equipment operability and returned to CYVR.

A North Cariboo Flying Service de Havilland DHC-8-311 (C-FNXN/NCB1120) from Vancouver, BC (CYVR) to Nanaimo, BC (CYCD) experienced a gear issue indication on departure. The crew decided to return to CYVR for landing. A precautionary standby was implemented. The aircraft landed safely and the runway was reopened following a runway inspection. No delays experienced.
UPDATE: A16P0034: C-FNXN, a North Cariboo Air DHC8-300 aircraft operating as flight NCB1120, was on approach to Nanaimo, BC (CYCD), when the flight crew received an unsafe nose gear indication when the gear was selected down. The crew executed a missed approach, extended the nose gear manually, and returned to Vancouver Intl, BC (CYVR). The crew had also received a red unsafe nose gear light upon gear up selection on departure from CYVR. After cycling the landing gear, the indication had gone away.

UPDATE: TSB#A16P0025: C-GGOK, a Jazz Aviation DHC8-400 aircraft, was operating as flight JZA8276 from Nanaimo, BC (CYCD) to Calgary Intl, AB (CYYC). On the initial climb from CYCD, the crew detected a strong electrical smell throughout the aircraft. The flight was diverted to Vancouver Intl, BC (CYVR) and landed uneventfully with airport emergency (ARFF) crews standing by. A post-flight maintenance inspection revealed that a cabin air recirculating fan had seized. The component (P/N 4101910A) was replaced and the aircraft was returned to service.
A Jazz De Havilland DHC-8-402 (C-GGOK / JZA8276) from Nanaimo, BC (CYCD) to Calgary, AB (CYYC) diverted to Vancouver, BC (CYVR) due to a strong electrical smell. A precautionary standby was initiated and emergency response services (ERS) followed the aircraft to the gate.

UPDATE: CORRECTION: TSB Report had the wrong flight number for this occurrence. The flight number should be JZA8315. The flight# field has been changed.
Update: Correction: Operator records indicate that the flight number is JZA8129.
TSB#A16P0017: The Jazz Aviation de Havilland DHC8-300, C-GVTA, was operating as flight JZA8350 from Vancouver Intl, BC (CYVR) to Portland Intl, OR (KPDX). Following engine startup in Vancouver, thick smoke was observed in the passenger cabin. The crew shut down both engines, initiated a rapid evacuation of the aircraft and called for airport firefighting to attend. The operator?s maintenance personnel determined that an Air Cycle Machine had a cracked housing which allowed internal lubricating oil to enter the air conditioning system, and subsequently the aircraft cabin.

UPDATE: TSB#A16O0043: C-FCWP, an Air Creebec de Havilland DHC8-100 aircraft operating as flight CRQ704, was holding overhead Kingston, ON (CYGK) due to weather and eventually diverted to Toronto/LBPIA, ON (CYYZ) with 2200 lbs of fuel on board. The aircraft was placed in an extended holding upon arriving at CYYZ which brought the fuel down to the minimum reserve fuel capacity of 900 lbs. The crew declared an emergency due to minimum fuel in order to get priority to land. The aircraft landed without further incident.
An Air Creebec de Havilland DHC-8-102 (CRQ704) from Moosonee, ON (CYMO) to Toronto, ON (CYYZ) declared a low fuel emergency inbound to CYYZ. The aircraft landed Runway 33R.

UPDATE: TSB#A16C0034: C-GTWE, a WestJet Encore DHC8-402 aircraft operating as flight WEN3415, was en route from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Thunder Bay, ON (CYQT). On approach to CYQT, the flap power caution light illuminated upon selection of flaps 5. WEN3415 advised ATC and requested a missed approach with vectors to provide time to action the QRH. The QRH procedure was unable to rectify the flap malfunction, so the flight crew requested ARFF on standby and planned for a flapless landing. The aircraft landed safely. ARFF inspected the brakes and cleared the aircraft to taxi. The operator?s maintenance found the left hand flap transducer was showing erratic values and replaced it.
A Westjet Encore Bombardier DHC-8-402 (C-GWTE / WEN3415) from Toronto, ON (CYYZ) to Thunder Bay, ON (CYQT) initiated a missed approach and advised they had a flap issue. Aircraft declared emergency and advised they would need to shut down on the runway. Emergency response services (ERS) responded. Aircraft landed safely at 1527Z Runway was shut down for approximately 3 minutes. No significant impact to operations.

UPDATE: TSB#A16O0040: C-GKQF, a Porter Airlines Bombardier DHC8-402 aircraft operating as flight POE276, was en route from Ottawa/MacDonald-Cartier Intl, ON (CYOW) to Toronto/Billy Bishop Toronto City, ON (CYTZ). During the descent to CYTZ, the flight held for 20 minutes due to weather. Once inbound to CYTZ, the crew elected to divert to Hamilton, ON (CYHM) due to the intensifying weather conditions. Two approaches were initiated at CYHM. However, neither approaches resulted in a successful landing since the crew interrupted it in both cases due to weather. The crew declared a fuel emergency with ATC and requested a clearance to Toronto/LBPIA, ON (CYYZ). En route to CYYZ, the crew requested a deviation to Buffalo/Niagara Intl, NY (KBUF). En route to KBUF, the crew elected to divert to St. Catherines/Niagara District, ON (CYSN). The flight landed in CYSN without further event with 1200 lbs of fuel remaining.
A Porter Airlines de Havilland DHC-8-400 (POE276) enroute from Ottawa, ON (CYOW) to Toronto, ON (CYTZ) after holding for approximately 20 minutes due weather requested clearance to Hamilton, ON (CYHM). After attempting the approach at CYHM, POE276 declared a fuel emergency and requested direct Toronto, ON (CYYZ). POE276 again deviated due weather and requested clearance to Buffalo Niagara International Airport, NY (KBUF). While enroute to KBUF the crew requested and received a visual approach to Niagara District Airport, ON (CYSN). POE276 landed CYSN at 0247Z.

TSB#A16O0027: C-GONN, a Jazz Aviation Lp DHC8-102 aircraft was operating as flight ACA8329 from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Sault Ste. Marie, ON (CYAM) when during the climb out, both control column stick shakers activated. Airspeed indications were normal however, the Captain?s and First Officer?s fast/slow indications were mismatched. The crew elected to return to CYYZ without further delay. An emergency was declared and the flight landed without further incident.

The Air Bravo Corp. Pilatus PC-12/47E aircraft (AB339) was nearing the conclusion of an IFR flight from Toronto Billy Bishop/Toronto City Centre Airport, ON (CYTZ) to Ottawa (MacDonald-Cartier) International Airport, ON (CYOW). The aircraft was cleared on the CAPITAL ARR, 4,000 feet, with no approach clearance. The pilot connected the STAR to the RNAV VZ25 ADVOS transition without clearance. Even with the quick controller instruction to turn on an eastbound heading, there was a loss of separation between AB339 and JZA747; 2.3 miles and 300 feet. Ops. impact -- unknown.
UPDATE: TSB#A16O0045: Air Bravo flight AB339, a Pilatus PC-12 aircraft, was cleared for the Capital Three arrival into Ottawa/MacDonald-Cartier Intl, ON (CYOW) at 4000 feet. The crew of AB339 connected the arrival to the RNAV VZ25 ADVOS transition without an appropriate approach clearance. Once detected, the controller quickly instructed AB339 to turn to an eastbound heading; however, spacing between AB339 and JZA747, a de Havilland DHC8-100 aircraft, was reduced to 2.3 miles and 300 feet.

London, ON (CYXU) sector advised that they lost contact with a Jazz de Havilland DHC-8-301 (C-GHTA/JZA8657) from Toronto, ON (CYYZ) to London, ON (CYXU) which had smoke in the cockpit approximately 15 NE CYXU at 0449Z. Aircraft switched radios and made contact on frequency 119.4. YXU system operation centre (SOC) was advised and CYXU emergency vehicles responded at 0453Z. Aircraft landed at 0455Z without further incident. The pilot explained that there was a spark and loud pop from the heating element near the right front window with a subsequent flame which self-extinguished shortly after, followed by a strong smoke odour in cockpit.
Update 198009 V2 - A Jazz de Havilland DHC-8-J301 (C-GHTA / JZA8657) from Toronto, ON (CYYZ) to London, ON (CYXU) advised of possible smoke in cockpit. No emergency declared, SB remote aerodrome advisory services (RAAS) dispatched aircraft rescue and fire fighting (ARFF) at CYXU and JZA8657 landed 0454z without incident. AOR 198009 duplicate of AOR 198008.
UPDATE: TSB#A16O0025: C-GHTA, a DHC8-300 operated by Jazz Aviation Lp as flight JZA8657 from Toronto/Lester B. Pearson Intl, ON (CYYZ) to London, ON (CYXU) was at approximately 8 000 feet on the approach to CYXU when the flight crew heard a loud pop and observed a flash, flames and smoke coming from the First Officer?s window heat terminal block. The flame self-extinguished shortly thereafter however, the crew declared an emergency and landed safely at CYXU. Radio contact was momentarily lost with ATC due to communications being done via the smoke masks in addition to the incorrect configuration of the audio control panel switches. The operator?s maintenance replaced the First Officer?s windshield and returned aircraft to service.

TSB#A16F0073: C-GKTA, a Jazz Aviation Lp DHC8-301 aircraft, was operating as flight number JZA8127 from Vancouver Intl, BC (CYVR) to Portland Intl, OR (KPDX). When the landing gear was extended during the approach, all three landing gear door lights illuminated, associated with gear unsafe lights. An alternate extension was completed and the landing was uneventful. ATC, when notified, initiated ARFF. The operator?s maintenance replaced the Proximity Sensor Electrical Unit (PSEU) and the aircraft was returned to service.

UPDATE: TSB#A16W0041: The Jazz Aviation Lp de Havilland DHC8-300, C-GLTA, was operating as flight JZA8369 from Edmonton Intl, AB (CYEG) to Grand Prairie, AB (CYQU). While in the climb through FL210, the main cabin door seal failed and the aircraft experienced a rapid depressurization. The flight crew declared an emergency and conducted a rapid descent. JZA8369 returned to CYEG and the aircraft landed without further incident. There were no injuries. The operator?s maintenance found the main cabin door seal damaged. The seal was replaced.
A Jazz deHavilland DHC 8 300 (JZA8369) from Edmonton, AB (CYEG) to Grande Prairie, AB (CYQU) declared an emergency due to a pressurization issue and requested to return to Edmonton. The aircraft landed without incident at 0441Z. Aircraft rescue and fire fighting (ARFF) not required. No Operational impact.

UPDATE: TSB#A16W0038: The Jazz Aviation Lp de Havilland DHC8-400, C-GGFJ, operating as flight JZA8223, was on a flight from Calgary Intl, AB (CYYC) to Yellowknife, NT (CYZF). Five minutes before the top of descent, one of the flight attendants was unable to perform their duties. A medical emergency was declared and EMS was requested. The cabin was secured and the landing was uneventful. The flight attendant was transported to hospital and later released.
A Jazz de Havilland DHC-8-400 (JZA8223) from Calgary, AB (CYYC) to Yellowknife, NT (CYZF) declared a medical emergency. The aircraft arrived at CYZF at 0124Z. No impact on operations.
Update: A Jazz de Havilland DHC-8-400 (C-GGFJ/JZA8223) from Calgary, AB (CYYC) to Yellowknife, NT (CYZF) declared a medical emergency. The aircraft reported that a flight attendant fainted and requested an ambulance on arrival. The Tower advised Aircraft Rescue and Fire Fighting (ARFF) and they dispatched an ambulance. The aircraft arrived at CYZF at 0124Z. No impact on operations. (Duplicate CADORS 2016C1004 was deleted)

UPDATE: TSB#A16W0031: JZA8371, a Jazz Aviation Lp de Havilland DHC8-400 aircraft operating from Calgary Intl, AB (CYYC) to Ft. McMurray, AB (CYMM) was inbound and was instructed to descend to FL200. Separation was not assured between JZA8371 and TSH475, a Regional 1 Airlines DHC8-100 aircraft operating the same itinerary, when ATC authorized JZA8371 for the descent. The separation was reduced to 4.3 nautical miles horizontally and 700 feet vertically, when 5 miles or 1000 feet is required. The required distances were eventually re-established by ATC. Nav Canada is investigating.
A Jazz de Havilland DHC-8-400 (JZA8371) from Calgary, AB (CYYC) to Fort McMurray, AB (CYMM) was inbound to CYMM and was instructed to descend to FL200. Separation was not assured between JZA8371 and a Regional 1 Airlines de Havilland DHC-8-102 (TSH475) from Calgary, AB (CYYC) to Fort McMurray, AB (CYMM) when Air Traffic Control (ATC) instructed JZA8371 to descend; separation was re-established by ATC. No other impact to the operation.

TSB#A16W0020: The WestJet Encore Bombardier DHC8-402 aircraft, C-GWEP, was operating as flight WEN3240 from Terrace, BC (CYXT) to Calgary Intl, AB (CYYC). While in cruise at FL250, the flight crew observed several caution messages related to various electrical systems. The flight crew actioned the appropriate QRH checklists and consulted with the operator?s maintenance control. The flight continued to destination where an uneventful approach and landing was completed. Upon inspection, the operator?s maintenance observed evidence of fire in the RH wheel well. Damage was noted to an AC contactor box, surrounding structure and the main landing gear leg. Two investigators from the Edmonton TSB office have been deployed.

A Carson Air Ltd Beech B300 (C-GRUU/CA911M) Medevac from Cranbrook, BC (CYXC) to Calgary, AB (CYYC) and a WestJet Encore Ltd de Havilland DHC-8-402 (C-FQWE/WEN3228) from Nanaimo, BC (CYCD) to Calgary, AB (CYYC) were both inbound to CYYC via IGVEP intersection. Speed control applied to maintain spacing however CA911M slowed due to patient comfort. WEN3228 speed reduced to 180 knots however spacing reduced to 4.6 NM where 5 NM is required. No operational impact.
UPDATE: TSB#A16W0014: The Carson Air Beech B350, C-GRUU, was operating as flight CA911M from Cranbrook, BC (CYXC) to Calgary Intl, AB (CYYC), conducting a MEDEVAC flight. CA911M was inbound to CYYC via the IGVEP intersection. The Westjet Encore Bombardier DHC8-400, C-FQWE, was operating as flight WEN3228 from Nanaimo, BC (CYCD) to Calgary Intl, AB (CYYC) and was inbound to CYYC via the IGVEP intersection as well, following CA911M. The arrival controller was providing speed control to maintain spacing however, CA911M slowed down for patient comfort. WEN3228 reduced speed to 180 knots but separation eroded to 4.6 nautical miles where 5 nautical miles is required.

UPDATE TSB #A16A0059: C-GDEN, a de Havilland DHC8-402 aircraft operated by WestJet Encore, was operating as flight WEN3712 on a scheduled flight from Halifax/Stanfield Intl, NS (CYHZ) to Boston/General Edward Lawrence Logan Intl, MA (KBOS). Shortly after departure, the rudder trim control knob centering function failed to operate correctly. The flight crew decided to return to CYHZ and declared a PAN PAN. ARFF were alerted and stood by as a precaution. The aircraft landed without further incident. The operator?s maintenance replaced the aileron/rudder trim panel assembly and carried out successful system checks as per manufacturer maintenance manual instructions.
A WestJet Encore de Havilland DHC-8-402 (C-GDEN/WEN3712) from Halifax, NS (CYHZ) to Boston, MA (KBOS) initially advised that they required a return to CYHZ. Approaching CYHZ at 1618Z, the pilot declared PAN and advised of a stability control issue. The aircraft was vectored for a long final at the request of the pilot and landed without incident at 1627Z with emergency response services (ERS) on standby.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The CASI contacted the operator involved for more information and was provided with additional details of this occurrence. Rudder trim control knob broke out. A service difficulty report (SDR) has been submitted. Aileron trim control panel replaced. Operational test of aileron trim system and test of rudder trim system carried out. Aircraft checked serviceable. The CASI was satisfied with the information provided, the maintenance actions taken and advised that no further follow-up action by Transport Canada was required at this time.
UPDATE: JRCC Halifax SARSUM Report#[S2016-00415]: Moncton area control centre (ACC) was advised that a WestJet Encore de Havilland DHC-8-402 (C-GDEN/WEN3712) had declared an emergency and was returning to Halifax for an emergency landing. The aircraft landed without further incident.

TSB#A16A0055: C-GSJZ, a de Havilland DHC8-400 aircraft operated by Jazz Aviation Lp as flight JZA960, was on approach to Fredericton Intl, NB (CYFC) from Toronto/LBPIA, ON (CYYZ) when the in-charge flight attendant became incapacitated and was no longer able to perform the assigned duties. In accordance with the operator?s Incapacitated Flight Attendant procedures, the other flight attendant assumed the in-charge responsibilities. A passenger seated closest to the aft exits was briefed on their operation, and JZA960 landed without further incident. The in-charge flight attendant had begun to feel better and exited the aircraft without assistance. The EMS paramedics assessed the flight attendant. The flight attendant was cleared to resume their duties.

At 0842Z, a WestJet Encore de Havilland DHC-8-402 (C-FUWE/WEN3479) from Gander, NL (CYQX) to Halifax, NS (CYHZ) requested medical assistance on standby at CYHZ due to a flight attendant not feeling well. Shortly thereafter WEN3479 advised the situation was deteriorating and requested priority. The aircraft landed at Halifax at 0927Z. There was minimal impact on air traffic service (ATS) operations.
UPDATE: TSB#A16A0035: The WestJet Encore de Havilland DHC8-402 aircraft, C-FUWE, was operating as flight WEN3479 on a flight from Gander Intl, NL (CYQX) to Halifax/Stanfield Intl, NS (CYHZ). Shortly after departure, the flight crew received a call from the cabin and was informed that one of the flight attendants was feeling ill. Due to the severity of the symptoms, the flight crew requested priority into CYHZ. Upon arrival, the flight attendant was assessed by paramedics and transported for medical care.

UPDATE: TSB#A16A0028: The Porter Airlines de Havilland DHC8-402 aircraft, registration C-GLQO, was operating as flight POE432 on a flight from Halifax/Stanfield Intl, NS (CYHZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL). While climbing en route, the flight crew heard a bang accompanied with a yaw and dropping of the number 1 engine (Pratt & Whitney Canada PW150A) parameter indications. The crew completed the number 1 engine shutdown checklist, actioned the QRH, and declared an emergency. Smoke previously noticed in the cabin dissipated shortly after the engine was secured. The flight was diverted for a return to CYHZ where it landed without further incident while airport crash and fire rescue personnel stood by. There were no reported injuries. The operator?s maintenance is inspecting the aircraft to determine the cause of the engine failure.
Follow-up information received from Airworthiness ? East [2016-05-05]: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The CASI contacted the operator involved for more information and was provided with additional details of this occurrence, which is being managed through their safety management system (SMS). The operator advised that the engine had been returned to the manufacturer for teardown/analysis. A full report from the engine manufacturer will be available later. The CASI was satisfied with the information provided to-date, the operator?s maintenance actions taken to replace the engine with a spare one (to return the aircraft to service) and advised that no further follow-up action by Transport Canada, Airworthiness was required at this time.
Climbing out of approximately 11000 feet a Porter Airlines de Havilland DHC-8-402 (C-GLQO/POE432) from Halifax, NS (CYHZ) to Montreal, QC (CYUL) reported an engine failure and declared an emergency. The aircraft was vectored and landed Runway 14 with Aircraft Rescue and Fire Fighting (ARFF) on standby. Runway closed for a period after arrival.

UPDATE from Maintenance: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The CASI contacted the operator involved for more information and was provided with additional details of this occurrence. Engine driven pump replaced. The CASI was satisfied with the information provided, the maintenance actions taken and advised that no further follow-up action by Transport Canada was required at this time.
An Air Inuit Ltd de Havilland DHC-8-314(C-GXAI/AIE850), from Kuujjuaq (CYVP), QC, to Nuuk, (BGGH), Greenland, declared an emergency due to a hydraulic problem to the controller at Gander. AIE850 asked Montréal area control centre (ACC) to return to CYVP. All agencies were notified. AIE850 landed without incident at CYVP at 1814Z. No impact on operations.
UPDATE: TSB#A16A0026: C-GXAI, an Air Inuit de Havilland DHC8-300 aircraft, departed Kuujjuaq, QC (CYVP) enroute to Nuuk, Greenland (BGGH). While en route, the crew noted a loss of hydraulic fluid on the number 2 system. The crew declared an emergency and returned to Kuujjuaq. The operator?s maintenance determined that the O-ring on the engine driven pump was damaged and was releasing oil. The pump was replaced, the hydraulic system serviced and the aircraft was returned to service.

A Jazz de Havilland DHC-8-102 (JZA8733), from Québec (CYQB), QC, to Montréal (CYUL), QC, declared an emergency because one of its two engines failed. The aircraft landed without incident at 0133Z. No impact on operations. The Aviation Operations Centre and Joint Rescue Coordination Centre (JRCC) Trenton were notified.
UPDATE TSB#A15Q0170: A Jazz Aviation DHC8-102 (C-FGQK/JZA8733) was conducting a flight in instrument flight conditions from Québec/Jean Lesage International (CYQB), QC, to Montréal/Pierre Elliott Trudeau International (CYUL), QC, with three crew members and nine passengers on board. During the initial climb, the indication of left engine torque (Pratt & Whitney PW120A) leveled out at 165%. The other engine parameters remained normal. The crew reduced the engine power but the indication remained stable. The crew shut off the engine as a precaution, declared an emergency and returned to land without incident at Québec.