January 9, 2020

Incident at FORT ST. JOHN BC (CYXJ)

After commencing their takeoff roll on Runway 21, a Jazz de Havilland DHC-8-402 (C-GGCI/JZA8188) from Fort St. John, BC (CYXJ) to Vancouver, BC (CYVR) rejected the takeoff stating an indicator for auto feathering. JZA8188 returned to the main apron and subsequently departed at 0332Z.

January 12, 2020


A WestJet Boeing 737-700 (WJA1564) from Calgary, AB (CYYC) to San Diego, CA (KSAN) departed CYYC and was enroute to KSAN when the pilot reported an issue with their auto-pilot. They advised they were returning to CYYC. The aircraft landed safely on Runway 35R at 1818Z, no impact to operations.

June 30, 2019


A WestJet Encore de Havilland DHC-8-402 (C-GWEG/WEN3539) from Montreal/Trudeau, QC (CYUL) to Toronto/Pearson, ON (CYYZ) rejected its takeoff on Runway 24L due to indications on the on-board instruments.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Auto feather was selected but did not arm on takeoff. Maintenance investigated and found various Maintenance fault codes. Codes were cleared per AMM and system tests carried out. No further defects noted. Aircraft returned to service.

January 27, 2019


An Air Canada Embraer E190 (ACA691) from St. Johns Intl, NL (CYYT) to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported loss of reduced vertical separation minimum (RVSM) status followed by loss of auto pilot. The aircraft continued on course to CYYZ. No emergency. No impact to operations.

December 30, 2019


A Jazz de Havilland DHC-8-402 (C-GGCI/JZA8265) on a flight from Vancouver Intl, BC (CYVR) to Nanaimo, BC (CYCD) rejected take off Runway 26L.
UPDATE TSB Report #A19P0189: C-GGCI, a de Havilland DHC-8-400, operated by Jazz Aviation as flight JZA265 from Vancouver Intl. (CYVR), BC to Nanaimo (CYCD), BC rejected takeoff at 80 knots due to the propeller auto-feather system not arming. The flight returned to the gate.

August 17, 2019


A Pacific Coastal Airlines Beech 1900C (C-FPCV/PCO750) on a flight from Campbell River, BC (CYBL) to Campbell River, BC (CYBL) rejected takeoff Runway 12 due to an aircraft issue. No impact on operations.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into the occurrence. The operator reported that the Right Auto-feather failed to arm on take-off. Left inboard micro-switch of landing gear at fault. Replaced and Auto-feather system checked serviceable. Safety Management System (SMS) report submitted.

June 3, 2019


A United Airlines Airbus A320-232 (N461UA/UAL460) from San Francisco, CA (KSFO) to Vancouver, BC (CYVR) executed a missed approach for Runway 08L due to a technical issue.
Update TSB #A19P0065: N461UA, an Airbus 320-200 aircraft operated by United Airlines, was conducting flight UAL460 from San Francisco Intl (KSFO), CA to Vancouver Intl (CYVR), BC with 5 crew members and 139 passengers on board. When the landing gear was lowered in preparation for landing at CYVR, the flight crew received an AUTO-BRAKE FAULT on Brake and Steering Control Unit (BSCU) channels 1 and 2. The flight crew declared an emergency, and ARFF was standing by for their arrival. The aircraft landed without further incident. A post-flight maintenance inspection identified a failure of the right inboard wheel speed tachometer.

April 19, 2019

Incident at VICTORIA INTL BC (CYYJ) (ATM - weather observation systems)

Weather sequence not coming through properly. AUTO mode with wind, temperature, dew point and altimeter only. Serviceable at 2000Z. Aircraft were unable to get ceiling and visibility information.

February 28, 2019

Incident at 5041N / 11616W

A Jazz de Havilland DHC-8-300 (JZA8273) from Calgary Intl, AB (CYYC) to Nanaimo, BC (CYCD) requested a return to CYYC due to a loss of pressurization. At 1926Z, JZA8273 declared "PAN PAN". The aircraft landed without incident at 1957Z. No impact to operations.
Update TSB Report #A19W0030: C-GKTA, a de Havilland DHC-8-300 aircraft operated by Jazz Aviation LP, was conducting flight JZA8273, from Calgary Intl (CYYC), AB to Nanaimo (CYCD), BC with 3 crew members and 40 passengers on board. Less than 30 mns after the departure from CYYC at FL240, the aircraft slowly started to lose pressurization. The flight crew declared a PAN PAN, initiated a slow descent to FL140 due to terrain clearance, and requested to return to CYYC where the aircraft landed without further incident. The passengers were notified of the situation, and Emergency Medical Services (EMS) was requested after the landing for those who needed to be checked. 1 passenger was taken to hospital with minor issues.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. While en-route, between Calgary Intl, AB (CYYC) and Kelowna, BC (CYLW), the aircraft lost pressurization during cruise. The flight crew descended but remained at FL140 for approximately 15 minutes due to terrain. The crew declared a PAN PAN and returned to CYYC, with an uneventful arrival. The crew requested emergency medical services (EMS) to meet the flight as the cabin altitude was at 13,000’. One passenger was suffering from shortness of breath and was taken to hospital. The aircraft was taken out of service for further troubleshooting. Initial pressurization checks on the ground in manual and auto mode were conducted with no fault noted. Due to some recent pressurization history, the two aft outflow valves were replaced and a verification test flight was carried. The aircraft returned to service with no further related fault noted. Two Service Difficulty Reports were submitted.

February 19, 2019

Accident at PITT MEADOWS BC (CYPK) (Aerodrome, runway or taxiway shutdown)

A West Auto Sales Ltd. Christen A-1B (C-FBEB) from Pitt Meadows, BC (CYPK) to Pitt Meadows, BC (CYPK) left the landing area while doing a touch-and-go on Runway 08R and flipped upside down on the snow-covered grass beside the runway. The single occupant was uninjured. Runway 08R was unavailable for arrivals until the aircraft was removed approximately five hours later.
Update TSB Report #A19P0025: C-FBEB, a privately registered Aviat Christen Husky A-1B aircraft, was conducting circuits on Runway 08R at Pitt Meadows (CYPK), BC with only the pilot on board. During one of the landings, the left main wheel of the aircraft touched down, however the aircraft was not in line with the runway centerline. The pilot attempted to abort the landing and, as full power was being applied, the aircraft veered to the right and contacted snow to the right of the runway surface. The aircraft came to rest upside down, approximately 40 to 50 feet to the right of the runway surface. The pilot was not injured, and was able to vacate the aircraft without assistance. There was no post impact fire. The weather conditions at the time of the accident were a ceiling of 3000 feet, a visibility of 15 sm, and light winds from the east.

October 1, 2019


A North Star Air Pilatus PC-12/45 (C-FVPC/BF705) on a flight from Sioux Lookout, ON (CYXL) to Sioux Lookout, ON (CYXL) requested descent and return to CYXL. BF705 was given descent clearance to FL200 direct CYXL. BF705 was observed on radar descending through FL200. When queried by the controller, the pilot advised on an emergency descent. The aircraft descended to 10,000ft above sea level (ASL) advised no further assistance required and landed CYXL at 1529Z. No impact to operations.
Update TSB Report #A19C0129: C-FVPC, a Pilatus PC-12 aircraft operated by North Star Air Ltd, was conducting a passenger flight from Sioux lookout (CYXL), ON to Sachigo Lake (CZPB) ON. While enroute approximately 100 nm south of CZPB, the aircraft temperature auto selection failed to produce warm air, the flight crew selected the manual temperature switch to hot. Shortly after the manual temperature selection, the flight crew experienced physiological symptoms of rapid pressure change and noted a cabin pressure indicator spike to approximately 4000 feet per minute climb with illumination of CABIN PRESSURE CAWS. The flight crew actioned the appropriate drill, commenced an emergency descent, notified ATC and returned the aircraft to CYXL. The operator’s maintenance identified the temperature control valve was unserviceable and the temperature valve was replaced. Applicable ground runs were completed and aircraft was returned to service.

August 20, 2019


TSB Report #A19O0123: C-FWEP, a de Havilland DHC-8-400 aircraft operated by WestJet Encore, was conducting flight WEN3123 from Toronto/Lester B. Pearson Intl (CYYZ), ON to Thunder Bay (CYQT), ON. The aircraft was at cruise altitude when the flight crew noticed the cabin pressure was rising, and were unable to control it. The flight crew decided to return to CYYZ and declared a PAN PAN. The aircraft landed uneventfully with ARFF standing by. Maintenance found the Re-heater Inlet Duct damaged. The duct was replaced and the aircraft returned to service.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. This air return was not due to loss of pressurization but rather to uncontrollable temperatures. After take-off, WestJet Encore flight 3123 returned to YYZ because the crew was unable to control the cabin temperature. The crew reported that both the flight compartment and cabin duct temperature indications were 60+ degrees Celsius in both auto and manual mode. Upon inspection, the reheater inlet duct was found torn.

August 24, 2019

Incident at LONDON ON (CYXU)

A Jazz de Havilland DHC-8-311 (C-GABO/JZA8658) from London, ON (CUXY) to Ottawa/MacDonald-Cartier, ON (CYOW) rejected take-off of Runway due to an "auto" feature failure. No impact on operations.

August 4, 2019

Incident at GODERICH ON (CYGD)

A Stellair Inc. Piper PA-28-181 (C-GJQJ) was landing on Runway 32 after a VFR flight from Toronto/Buttonville, ON (CYKZ) to Goderich, ON (CYGD). While in the process of turning around on a grass taxiway, the propeller struck a taxiway edge light. At the time, Runway 10/28 and the apron were closed by NOTAM for an auto event. Ground property damage was limited to the blue taxiway light lens, bulb and fiberglass marker flag. Initial inspection determined that one (1) propeller blade was bent and both propeller blades suffered nicks. The propeller is being replaced and a comprehensive propeller strike inspection is being performed.

April 3, 2019

Incident at 61NM NE MOOSONEE ON (CYMO)

The pilot of a 164061 BC Ltd. Beech 200 (C-GJJT/WU201) from Iqaluit, NU (CYFB) to Moosonee, ON (CYMO) experienced an engine failure on the right side and declared an emergency. The aircraft proceeded on course to its destination, and landed safely with no incident at 2159Z.
Update TSB #A19Q0043: C-GJJT, a Beech 200 Super King Air aircraft operated by Wabusk Air, was conducting a flight from Iqaluit (CYFB), NU to Moosonee (CYMO), ON with 2 pilots and 3 passengers on board. As the aircraft started its descent, approximately 61 nautical miles north east of CYMO, the flight crew noticed fuel flow fluctuations and surging of the right engine (Pratt & Whitney Canada PT6A-42). The surging then intensified, and an R FUEL PRESS annunciator warning light illuminated. The flight crew executed the Quick Reference Handbook (QRH) procedure, however the problem persisted. As the flight crew prepared to shut the engine down, it flamed out by itself. The auto feather system was armed, and activated on its own. The flight crew declared an emergency and continued the flight to CYMO, where an uneventful landing was performed. Maintenance personnel found the standby fuel pump circuit board burnt. Troubleshooting of the standby and engine-driven boost pump is ongoing.

May 7, 2019

Incident at 150 NM S Minneapolis (KMSP)

TSB #A19F0115: C-GAQZ, an Airbus 319-100 aircraft operated by Air Canada, was conducting flight ACA787 from Toronto/Lester B. Pearson Intl (CYYZ), ON to Los Angeles Intl (KLAX), CA with 5 crew members and 82 passengers on board. During cruise flight at FL320 approximately 150 nm south of Minneapolis-St. Paul Intl/Wold-Chamberlain (KMSP), MN, the flight crew received an APU AUTO SHUTDOWN ECAM message. Since the flight had taken off from CYYZ under Minimum Equipment List (MEL) provision with the number 2 engine generator inoperative, the flight crew consulted with the operator’s Operational and Maintenance Control Centres, and the decision to divert to KMSP was elected. A PAN PAN was declared, and the flight landed at KMSP without further incident. ARFF met the aircraft after the landing for an inspection, and the aircraft was authorized to taxi to a gate. The operator’s maintenance replaced the APU De-Oiling Solenoid Valve and the APU Bleed Control Valve as per the Aircraft Maintenance Manual (AMM). The aircraft was then returned to service.

January 27, 2019


TSB Report #A19F0024: C-FTVF, a Boeing 737-800 aircraft operated by Air Transat, was conducting flight TSC447 from Holguin/Frank País Intl (MUHG), Cuba to Toronto/Lester B. Pearson Intl (CYYZ), ON with 6 crew members and 183 passengers on board. During cruise flight at FL290, approximately 90 nm east-southeast of Pittsburgh Intl (KPIT), PA, the flight encountered severe turbulence for approximately 30 seconds. Altitude and pitch variations were minor. Speed variations were +/- 10 kts, and the aircraft experienced rolls of approximately 30° that were managed by the auto-pilot. The flight crew requested and was authorized to FL270, and the aircraft continued to destination without further incident. There were no injuries. The operator’s maintenance inspected the aircraft in accordance with the Aircraft Maintenance Manual (AMM). No defects were found, and the aircraft was returned to service.

December 16, 2019


A training aircraft, an Air North Charter & Training Ltd. Hawker Siddeley HS-748 Series 2A (C-GANA/ANT1T) from Whitehorse/Erik Nielsen, YT (CYXY) to Whitehorse/Erik Nielsen, YT (CYXY), declared an emergency due to loss of engine at 2100Z. Aircraft Rescue and Fire Fighting (ARFF) unit notified. Aircraft landed without incident at 2107Z. An Alkan Air Ltd. Cessna 172M (C-FCEY) from Whitehorse/Erik Nielsen, YT (CYXY) to Whitehorse/Erik Nielsen, YT (CYXY), in the circuit on the parallel runway, was held on the ground as a precautionary measure for about 3 minutes. Otherwise, no impact to operations.
UPDATE from Aircraft Maintenance & Manufacturing: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. This incident occurred during a training flight. After take-off rotation from Whitehorse, YT, the #1 engine feathered and shut down in-commanded. The crew accomplished engine failure and shut down procedures and the aircraft landed without further incident. Initial maintenance inspection of the #1 engine showed signs of significant oil loss as the wing and flaps were contaminated with engine oil. Further investigation confirmed the #1 engine had lost all system oil. It is suspected that the oil loss was through the turbine air cooling duct which normally indicates the possibility of an internal turbine air/oil seal failure. The #1 engine was replaced, tested and the aircraft was returned to service, there were no further reported incidents. Note: The Company currently has no intention of having the removed engine repaired.
UPDATE TSB Report #A19W0168: The Air North Charter and Training Ltd. Hawker Siddeley HS748, C-GANA, was operating as training flight ANT 1T, from the Whitehorse (CYXY),YK. In the initial climb at 100 feet above ground, the left engine (Rolls Royce Dart 534-2) failed and auto-feathered. The crew accomplished the engine failure and shut down procedure. The captain declared an emergency and the aircraft performed a visual circuit for an uneventful landing on Runway 14R. The aircraft was met by ARFF and inspected before taxiing in. A preliminary inspection by maintenance indicated that there was no oil in the left engine.

December 12, 2019


At 2010Z, a Summit Air Aerospatiale ATR 72-202 (C-GOSA/SU7022) from Gahcho Kue, NT (CGK2) to Yellowknife, NT (CYZF) declared an emergency due to smoke in the cockpit. Emergency vehicles were on standby. At 2018Z, SU7022 reported that the smoke had been isolated. At 2023Z, SU7022 landed Runway 34 and taxied to the main apron, was met by fire trucks (Red 2+1). Two aircraft, a Government of Canada, Department of National Defence flight (VMPR2) and a Hoarfrost River Huskies Christen A-1B (C-GTYC) were both given multiple orbits to make space to accommodate the arrival of SU7022. No further impact to operations. (Duplicate AOR 259569-V1 deleted).
UPDATE from Aircraft Maintenance & Manufacturing: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On approach, 60NM from Yellowknife, NT the crew noted a strong burning smell in the cockpit as well the same smell was reported in the cabin area. The Captain suspected it was coming from the air-conditioning system as the #1 Pack auto function was operating under a Minimum Equipment List (MEL). Quick Reference Handbook (QRH) checklist was completed and the #1 Pack was turned off and the smell began to dissipate. The crew declared a PAN PAN to air traffic control (ATC) and landed in Yellowknife with no further incident. Company maintenance inspected the aircraft and confirmed that the recirculation fan was at fault (this was a pre-mod unit). The fan was replaced (with a post-mod unit), the system tested with no smell of smoke in either the cockpit or cabin and the aircraft was returned to service. There have been no further reported incidents.
UPDATE TSB Report #A19W0163: C-GOSA, an ATR-72-202 operated by Summit Air, was conducting flight SU7022 from Gacho Kue (CGK2), NT to Yellowknife (CYZF), NT. When approximately 60 NM ENE of CYZF, smoke entered the cabin of the aircraft. The Quick Reference Handbook (QRH) for air conditioning smoke was actioned and the #1 air conditioning pack was shut off. The smoke began to dissipate but the flight crew elected to declare a Pan Pan. The aircraft landed without incident and taxied in with ARFF following. Company maintenance is investigating the cause.

October 26, 2019


A Heli Source Ltd. Hughes 369D (C-GLHT) from Red Deer, AB (CYQF) to Red Deer, AB (CYQF) was observed executing an auto rotation on Runway 35 without prior coordination. Vehicles were working on Runway 17/35 for snow removal. No further impact.

October 18, 2019


A Keewatin Air Beech B200 (C-FZPW/KEW206) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Churchill, MB (CYYQ) rejected take off of Runway 18 due to equipment issue and taxied to the apron. No impact to operations.
Update TSB Report #A19C0137: C-FZPW, a Beech B200 operated by Keewatin Air, was operating flight KEW206 from Winnipeg/James Armstrong Richardson Intl (CYWG), MB to Rankin Inlet (CYRT), NU. During the takeoff from runway 18 in CYWG, the flight crew noted that the autofeather system failed to arm on the left engine, and executed a rejected take off. The aircraft subsequently taxied off the runway and to a run up area. This had been the first takeoff of the day and the autofeather had been tested serviceable during the run-up. The autofeather was again tested at the run up area and tested serviceable. The aircraft was then removed from service. A subsequent maintenance inspection revealed that the R/H auto feather power lever switch (S158) had failed open. The aircraft has been returned to service under IAW MEL# 61-04-1 Cat "C" 10 days.

October 9, 2019

Incident at LIBUX intersection

A WestJet Encore de Havilland DHC-8-402 (WEN3243) on a flight from Brandon Muni, MB (CYBR) to Calgary Intl, AB (CYYC) on arrival to CYYC was cleared for an area navigation (RNAV) Y Runway 35 R approach, LIBUX transition. As the aircraft approached LIBUX, aircrew advised that they were unable to conduct auto pilot approach, and requested vectors for a visual approach. NAV CANADA Auxiliary Radar Display System (NARDS) playback and audio recordings were reviewed. No operational impact.

August 18, 2019

Incident at RED SUCKER LAKE MB (CYRS) (Aerodrome - power failure, Aerodrome - visual aids, ATM - inaccurate aeronautical information)

A power outage occurred at Red Sucker Lake, MB (CYRS), affecting all aerodrome lighting (AD LGT), universal communications (UNICOM) frequency 122.8, and AUTO 122.075. Battery operated runway edge lights (REDL) were on continuously. NOTAM issued from 1908182350Z until 1908191700Z.

April 9, 2019

Incident at 5 NM S Fort Mackay (CAL4)

TSB #C-GCNK, a Boeing 737-300 aircraft operated by Canadian North, was conducting flight MPE1525 from Fort Mackay/Albian (CAL4), AB to Calgary Intl (CYYC), AB with 5 crew members and 120 passengers on board. C-GYYE, a Cessna 172L aircraft operated by McMurray Aviation, was conducting a sightseeing flight from Fort McMurray (CYMM), AB, and was approximately 5 nm south of CAL4 at 3500 feet ASL. MPE1525 departed off Runway 13 at CAL4 and, at approximately 400 feet AGL, the flight crew initiated a right climbing turn to proceed direct to the ETMAR waypoint. As the aircraft was climbing through 3000 feet ASL, the flight crew received a TCAS target. The auto throttle was disengaged, the power levers were brought back to idle, and the flight crew initiated a descent in an attempt to maintain a 1000-foot vertical separation with CGYYE. During the process, the flight crew received several DON’T SINK Ground Proximity Warning System (GPWS) aural warnings. MPE1525 passed approximately 1200 feet below CGYYE. Both aircraft were operating in Class G airspace at the time of the occurrence. Although both aircraft were communicating on the North Oil Sands ATF 123.5 MHz frequency, direct communication between the 2 aircraft was not established by the pilots.

July 4, 2019


A WestJet Boeing 737-7CT (C-FUWS/WJA1448) from Edmonton, AB (CYEG) to Las Vegas, NV (KLAS) rejected its takeoff from Runway 30 and then taxied off the runway to call maintenance. The reason given was a mechanical issue.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The company reported that the aircraft rejected takeoff at approximately 60kias for speed brake do not arm light. Defect identified and Minimum Equipment List (MEL) 27-07-01 applied at approximately 2335Z. Auto spoiler inoperative. Spoilers used manually. Flight operated as per MEL. Flight control auto speed brake circuit breaker pulled and collared. The aircraft departed Edmonton Intl, AB (CYEG) for Las Vegas, NV (KLAS) at 0004Z on 07-05-2019 and then from KLAX to CYEG landing at 0639Z on 07-05-2019. Resolution occurred in CYEG at 0955Z. Testing carried out as per Fault Isolation Manual (FIM) and test passed. No further action necessary. The aircraft has flown 120.2 hours and 43 cycles since the resolution with no recurrence.

April 18, 2019


A privately registered Schempp-Hirth Arcus M from Black Diamond, AB (CEH2) to Black Diamond, AB (CEH2) was asked if it was possible to maintain a block altitude of A150 B A160 due to crossing traffic. As the conflicting traffic, a Gibbons Auto & Leisure Centre Mooney M20TN (C-FTZW) from Edmonton/Cooking Lake, AB (CEZ3) to Salmon Arm, BC (CZAM) converged, the pilot of the Schempp-Hirth Arcus M notified that they were unable to remain in the block and was observed in descent. Avoiding action was initiated by instructing conflicting traffic to turn. Separation was maintained.

April 19, 2019


A Flair Airlines Boeing 737 400 (FLE482) from Kelowna, BC (CYLW) to Edmonton, AB (CYEG) reported an equipment issue with hydraulic leak. Contacted Flair Airlines dispatch at YEG. Aircraft landed safely. No impact on operations.
Update TSB #A19W0046: C-FLHJ, a Boeing 737-400 aircraft operated by Flair Airlines, was conducting flight FLE482 from Kelowna (CYLW), BC to Edmonton Intl (CYEG), AB with 6 crew members and 114 passengers on board. During the climb to cruising altitude after the departure from CYLW, the flight crew noted a decrease in fluid quantity and pressure for hydraulic system B. Approaching the Top Of Descent (TOD), the flight crew observed that the hydraulic quantity for system B had decreased to less than 30%. The appropriate QRH checklist was actioned, a PAN PAN was declared, and the aircraft landed at CYEG without further incident with ARFF standing by. Smoke was observed after the landing due to hydraulic fluid dripping on the brakes. The aircraft taxied to the gate.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) has looked into this occurrence. The operator reported that a loose plug was found on the auto brake module assy (missing safety wire). Plug re torqued and safety wired per AMM 20-50-11. Electric motor-driven hydraulic pump (EMDP) and engine driven hydraulic pump (EDP) pressure case drained filters inspected for contamination. Engine driven pump replaced IAW B737-400 AMM 29-15-11. Hydraulic system replenished and system bled per AMM 29-00-00 pg. 216 checks serviceable. The history on the aircraft was reviewed (line and heavy checks) and could not find record of maintenance where the plug for auto brake module was touched. Inspection issued to other aircraft in fleet as a precautionary measure.

April 1, 2019


A McMurray Aviation Cessna 208B (C-GWKO) from Fort Chipewyan, AB (CYPY) to Fort McMurray, AB (CYMM), inbound to CYMM, lost the function of its horizontal situation indicator (HSI) in instrument meteorological conditions (IMC). The tower observed C-GWKO doing "S" turns on final. When asked, the pilot then reported the situation, noting that their heading indicator had malfunctioned, and that they had disconnected the auto-pilot (AP) and flight director (FD) and initiated a left-hand turn to get back to the localizer. Due to the erroneous HSI indications, and to weather-related turbulence, the pilot had difficulty establishing a convergent heading to capture. Air traffic control (ATC) provided the pilot with navigation assistance, and the flight continued inbound, until visual reference with the ground was established just over the threshold for Runway 25. The pilot then made a 360 degree turn and landed safely. The pilot did not declare an emergency but the controller identified that it was an emergency. No other traffic was involved and there was no impact to operations.
Update TSB #A19W0043: C-GWKO, a Cessna 208B aircraft operated by McMurray Aviation, was conducting a flight from Fort Chipewyan (CYPY), AB to Fort McMurray (CYMM), AB with 1 pilot and 6 passengers on board. During the approach into CYMM in IMC, the pilot was cleared for the ILS Runway 25 and, while in a right turn to capture the localizer (LOC), the Horizontal Situation Indicator (HSI) froze which lead the autopilot to continue the turn. The aircraft overshot the LOC, and the aircraft began to diverge past the LOC. The pilot recognized the malfunction, disconnected the autopilot and the flight director, and initiated a left turn to recapture the LOC. Once re-established on the ILS, the pilot started the descent. Visual reference with the ground was acquired approximately 3 miles from the runway, however the airport was not visually acquired. Approximately 1 nm from the runway at 1800 feet ASL, the pilot began to lose the LOC and initiated a missed approach. A 360° turn to the left was executed, and the aircraft landed on Runway 25 without further incident. The reported visibility at the time was 1 ¼ sm in snow. The operator’s maintenance replaced the attitude indicator and remote gyro.

January 22, 2019


A Pacific Coastal Airlines Saab 340A (PCO3038) from Prince George, BC (CYXS) to Calgary Intl, AB (CYYC) reported to the tower when 6NM final for Runway 29 that they had a mechanical issue that they needed to resolve. PCO3038 was pulled off the approach and when transferred to the arrival controller, PCO3038 indicated that they were hand cranking the gear. PCO3038 returned to land on Runway 35L at 0214Z without incident.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. During Landing gear extension with the pump in override position, the Pilot In Command (PIC) detected that the pump was unable to fully extend the gears and further trouble shooting (T/S) was needed. After redoing the checklist, the system worked normally and the landing gear came down without further troubles. The aircraft landed without incident. After landing, inspections were carried out by Maintenance. The system operated normally as per the Aircraft Maintenance Manual (AMM). Hydraulic function checks were carried out numerous times with no faults found. The aircraft was released back to service. During a flight later in the day, the Auto function of the hydraulic system experienced problems with functioning normally. Maintenance met the aircraft and replaced the Hydraulic System Pump and no further faults have occurred.

July 1, 2019

Incident at 5054N / 05408W

At 0033Z, and position 5054N05408W a Federal Express Corporation McDonnell Douglas MD 11F (N616FE/FDX5277) from Paris, France (LFPG) to Memphis, TN (KMEM) advised engine #2 had failed and requested to descend to F290. The flight was re cleared F290 and the crew advised they would be continuing to destination. The flight was then re cleared F280 for direction of flight. No emergency. No traffic. The Moncton Control Centre (CZQM) advised. The aircraft exited the Gander, NL (CZQX) flight information region (FIR) at 0057Z.
Update TSB #A19A0046: N628FE, a McDonnell Douglas MD-11F aircraft operated by Federal Express, was conducting flight FDX5277 from Paris/Charles de Gaulle (LFPG), France to Memphis Intl (KMEM), TN with 4 persons on board. During cruise flight approximately 100 nm north of Gander Intl (CYQX), NL, the flight crew received a number 2 engine Oil Filter Bypass indication. Approximately 30 minutes later, the number 1 autopilot and auto throttle systems disengaged due to the thrust roll back, and the aircraft entered a climb. The flight crew reengaged the auto flight systems, corrected the altitude, then observed an engine number 2 RPM Low indication; additionally, the oil pressure was below the red line, and indicating zero. The flight crew shut the engine down as per the QRH, and diverted the aircraft to Boston/General Edward Lawrence Logan Intl (KBOS), MA. Once at the top of the descent, the flight crew declared an emergency, and the aircraft landed without further incident. The operator’s maintenance removed the engine for investigation.

February 17, 2019

Incident at CHARLOTTETOWN AIRPORT (Incursion - runway - animal)

A Triple L Auto Leasing Piper PA-28-181 (C-GAGL) from Charlottetown, PE (CYYG) to Charlottetown, PE (CYYG) taxied onto Runway 28 for departure. The aircraft reported that a coyote was walking on Runway 28.

April 26, 2018


A de Havilland DHC-8-101 operated by Jazz (JZA8964), flying from Montreal/Pierre Elliott Trudeau Intl (CYUL), QC, to Baie-Comeau (CYBC), QC, landed on runway 10 at CYBC at 2256Z owing to conditions under the published minima. SPECI CYBC 262228Z AUTO 00000KT 1/4SM R10/2200FT/N -RA FG VV005 06/06 A2942 RMK SLP964=.

April 20, 2018

Incident at INUKJUAK QC (CYPH) (ATM - inaccurate aeronautical information)

Aviation Incident Report #15306: There seems to be a difference between the reading of the automatic system and the words of the on-site ?airport CARS? agent, which reported ?10 to 12 SM visibility with -SN.? Snow is often mechanically blown on the sensors, which distorts their reading and sends erroneous data. INUKJUAK/QC (show WxCam) METAR CYPH 201800Z AUTO 34003KT 250V010 1/8SM +SN M09/M10 A3042 RMK PCPN 0.5MM PAST HR CLD MISG SLP306= SPECI CYPH 201747Z AUTO 28003KT 210V340 1/8SM +SN OVC005 M09/M10 A3042 RMK SLP305= SPECI CYPH 201740Z AUTO 27004KT 220V310 3/8SM FZFG M09/M10 A3042 RMK CLD MISG SLP306= SPECI CYPH 201730Z AUTO 27004KT 220V290 5/8SM SN M09/M10 A3042 RMK CLD MISG SLP305= SPECI CYPH 201714Z AUTO 24004KT 1/8SM +SN OVC005 M09/M10 A3042 RMK SLP305=.

February 15, 2018


Aviation incident report #15220: A Flexjet Embraer EMB-545 (N413FX/LXJ413) from Memphis, TN (KMEM) to Trois-Rivières, QC (CYRQ) landed without contacting Universal Communications (UNICOM) on mandatory frequency (MF) 123.00 in IFR conditions (SPECI CYRQ 152038Z AUTO 00000KT 3/4SM BR OVC003 00/M01 A2950 RMK SLP994=). Number of passengers unknown. There were no vehicles on the runway during landing, but several were taxiing on the service roads.

October 20, 2018


A Jazz de Havilland DHC-8-402 (C-FSRN/JZA8202) from Prince George, BC (CYXS) to Vancouver, BC (CYVR) conducted 2 missed approaches due to an Auto Pilot issue. First missed approach was at 1423Z and second missed approach was at 1435Z.

October 30, 2018


A Horizon Air Industries de Havilland DHC-8-400 (QXE231) from Victoria Intl, BC (CYYJ) to Seattle-Tacoma Intl Airport (Sea-Tac), WA (KSEA) rejected takeoff on Runway 09 due to an auto feather issue. A Pacific Coastal Airlines Limited Beech 1900 (PCO1536) from Kelowna, BC (CYLW) to Victoria Intl, BC (CYYJ) was issued a missed approach until the runway was clear.

September 23, 2018

Accident at WILLIAMS LAKE BC (CYWL) (Aerodrome, runway or taxiway shutdown)

A Gustafson's Auto Service Ltd Cessna A185F (C-GMIK) from Williams Lake, BC (CYWL) to Williams Lake, BC (CYWL) reported gear collapse and landed on floats. The aircraft was disabled and the runway was closed.

September 5, 2018


A Gustafson's Auto Service Ltd. Cessna A185F on a flight to Williams Lake, BC (CYWL) attempted numerous times to contact the flight service station (FSS) but were unreadable. The flight service station (FSS) had them on radar at 6NM Northwest of CYWL. The aircraft landed and was able to communicate they had battery issues, which was causing radio problems. No operational impact.

April 9, 2018


A Carson Air Swearingen SA227-AC (CA8081) on a flight from Kelowna, BC (CYLW) to Vancouver Int'l, BC (CYVR) was inside auto over point and manoeuvring visually when it advised it had entered cloud. The aircraft was issued the published missed approach.

October 25, 2018

Incident at 65NM THUNDER BAY ON (CYQT)

A Regional 1 Airlines Ltd. de Havilland DHC-8-106 (C-GBUU/TSH141) from Lansdowne House, ON (CYLH) to Thunder Bay, ON (CYQT) declared an emergency and reported shutting down the aircrafts #1 engine. After landing, TSH141 stopped briefly on the CYQT runway for emergency response services (ERS) to perform a visual inspection before exiting. No other operational impact.
Update TSB Report # A18C0108:C-GBUU, a de Havilland DHC-8-106 aircraft operated by Regional 1 Airlines Ltd., was conducting flight TSH141 from Lansdowne House (CYLH), ON to Thunder Bay (CYQT), ON with 3 crew and 23 passengers on board. During descent, the flight crew noticed that the No. 1 engine (Pratt & Whitney Canada PW121) torque indication had decreased to 0 foot-pounds, and the propeller revolutions per minute remained in the prohibited range. The flight crew evaluated the condition as an engine failure without the propeller auto-feathering. They shut down the engine in accordance with the company standard operating procedures and declared an emergency with ATC. The subsequent landing was conducted without further incident with the No. 1 engine inoperative. After ARFF conducted an inspection for fire, smoke, or damage, the aircraft was taxied to the apron. The operators maintenance personnel inspected the engine. During an attempted ground run, the engine would not accelerate past 20% Nh. The engine was replaced due to a suspected turbine seizure.

May 19, 2018


An Eva Airways Corporation Boeing 777-300 (EVA836) from Taoyuan International, Taiwan (RCTP) to Toronto/Lester B. Pearson International, ON (CYYZ) initiated an overshoot of Runway 05, citing an auto-land issue. EVA836 returned and landed on Runway 05 at 0212Z without incident. No operational impact.

May 11, 2018

Incident at RED LAKE ON (CYRL)

An Air Bravo Corp. Pilatus PC-12/45 C-FTAB/AB229) from Red Lake, ON (CYRL) to Thunder Bay, ON (CYQT) was issued a clearance to climb to 5000 feet on departure from CYRL due to inbound traffic level at 6000 feet. The aircraft was observed on radar climbing through 5 400 feet. AB229 reported receiving clearance to climb to 5000 and indicated an auto pilot error as the reason for the altitude deviation. No loss of radar separation. No other operational impact.

April 4, 2018


An Eva Airways Boeing 777 300 Series (EVA036) from Taipei, Taiwan (RCTP) to Toronto/Lester B. Pearson, ON (CYYZ) was using the auto land functionality while attempting to land Runway 05 when the aircraft unexpectedly pitched up and the crew elected to conduct a missed approach. No operational impact.

February 15, 2018

Incident at SUDBURY ON (CYSB)

The following aircraft departed below IFR minimums: A Workers Auto Services Limited Cessna 208 (C-FTMO) from Sudbury, ON (CYSB) to Green Bay, WI (KGRB) at 1119Z Vis 1/4SM RVR 22.

January 7, 2018

Incident at LONDON ON (CYXU)

A Jazz de Havilland DHC-8-102 (C-FGRC/ JZA8652) on a flight from London, ON (CYXU) to Toronto/ Lester B. Pearson, ON (CYYZ) aborted takeoff due to auto feather not engaging. The aircraft backtracked for a 2nd take off but had to return to the gate for maintenance. JZA8652 departed at 2325Z without incident.

November 30, 2018

Incident at 94NM NE Houston (KIAH)

TSB #A18F0276: C-FMZW, an Embraer ERJ190-100 aircraft operated by Air Canada, was conducting flight ACA595 from Toronto/Lester B. Pearson Intl (CYYZ), ON to Houston/George Bush Intercontinental (KIAH), TX with 4 crew members and 64 passengers on board. During the cruise portion of the flight, the flight crew experienced an auto-pilot disconnect, while receiving an ADS 1 FAIL and AVNX MAU 1A FAIL EICAS messages. The flight crew reverted to manual control mode, referenced the QRH, and declared a PAN PAN during the initial descent. The flight continued to KIAH without further incident, and taxied to the gate. The operator’s maintenance replaced the Module Assembly Control and carried out a few checks. The aircraft was returned to service.

September 27, 2018

Accident at N52/W020

TSB #A18F0223:C-GFAT, an Airbus 310-300 aircraft operated by Air Transat, was conducting flight TSC258 from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Barcelona/El Prat, Spain (LEBL) with 9 crew members and 205 passengers on board. During cruise flight at FL340 in the vicinity of 52N/020W, the aircraft encountered severe Clear Air Turbulence (CAT). The auto-pilot disconnected, and the aircraft gained 300 feet very rapidly. The flight crew regained control of the aircraft and descended back down to FL340. Since the flight crew had no advanced indication, the seat belt sign was off at the time of the event. Two passengers and two cabin crew members received minor injuries, while another passenger received a serious injury, and was transported to the hospital upon arrival at LEBL. All four minor injuries were treated in flight, and the two cabin crew members were able to continue with their duties.The aircraft was inspected by the operator’s maintenance upon arrival at LEBL, and was released back to service.

April 7, 2018

Incident at Philadelphia International Airport

TSB Report #A18F0078: C-GGJA, a Bombardier CL-600-2B19 CRJ200 aircraft operated by Jazz Aviation LP, was conducting flight JZA8031 from Philadelphia Intl, PA (KPHL) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) with 4 crew members and 33 passengers on board. Shortly after the departure from KPHL, the flight crew noticed that the Air Driven Generator (ADG) had deployed. The flight crew requested to return to KPHL and declared a PAN PAN. The aircraft landed back in KPHL without further incident.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. On takeoff rotation, the Air Driven Generator (ADG) auto deployed without any reason. The ADG was restowed and the aircraft released. The ADG auto deployment controller was later replaced and system tested serviceable before returning the aircraft to service. A service difficulty report (SDR) was submitted.

November 20, 2018

Incident at ULUKHAKTOK / HOLMAN NT (CYHI) (ATM - weather observation systems)

A First Air Aerospatiale ATR 42-300 (FAB5440) from Kugluktuk, NU (CYCO) to Ulukhaktok/Holman, NT (CYHI), while inbound to CYHI, called at 0119Z for the 0100Z auto station report for CYHI. There was no CYHI Limited Weather Information System (LWIS) report for 0100Z.

August 12, 2018


UPDATE from National Flight Operations: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. At approximately 300ft, above ground level (AGL) on approach to Runway 35R, the First Officer inadvertently pushed the TOGA button instead of the Auto Throttle Disengage button.
A WestJet Boeing 737-700 (WJA220) from Victoria International, BC (CYYJ) to Calgary International, AB (CYYC) executed a missed approach due to finger trouble. No impact to operations.