July 23, 2019

Incident at In the vicinity of: ST-HYACINTHE QC (CSU3) (ELT)

The loud and clear signal of an emergency locator transmitter (ELT) was heard in the Saint-Hyacinthe, QC (CSU3) region by 2 aircraft at FL220 and FL240. The signal stopped by itself at 2133Z. CJoint Rescue Coordination Centre (JRCC) Trenton was notified.

June 30, 2019

Incident at 97NM MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL)

While inbound, a Jazz de Havilland DHC-8-300 (JZA8907) from Moncton, NB (CYQM) to Montreal/Trudeau, QC (CYUL) declared PAN PAN due to cabin depressurization. JZA8907 descended to 8 000 ft, then cancelled its PAN PAN. JZA8907 landed without incident at 0519Z. No impact on operations.
TSB Update #A19Q0097: C-FACT, a Jazz Aviation LP de Havilland DHC-8-300, was on instrument flight rules (IFR) flight JZA8907 from Greater Moncton/Roméo Leblanc Intl, NB (CYQM) to Montreal/Pierre Elliott Trudeau, QC (CYUL) with 3 crew members and 12 passengers on board. While the aircraft was in cruising flight at FL240, there was a pressurization problem. The crew declared a PAN PAN and conducted a rapid descent to 8 000 ft, but the passenger oxygen masks, however, were not deployed. The crew then cancelled the PAN PAN, and the aircraft landed without incident at CYUL.

November 21, 2019

Incident at 50NM KAMLOOPS BC (CYKA)

A privately registered Cessna 170A from Kamloops, BC (CYKA) to Prince George, BC (CYXS) was cleared to FL240 however, the aircraft climbed to FL250 initially before being instructed to return to FL240. No operational impact.

July 15, 2019

Incident at 5037N / 12446W (ELT)

Emergency Locator Transmitter (ELT) reported by a WestJet Encore de Havilland DHC-8-402 (WEN3107) from Vancouver, BC (CYVR) to Terrace, BC (CYXT) at FL240.

June 21, 2019

Incident at BOOTH intersection

A WestJet Boeing 737-700 (WJA171) from Edmonton, AB (CYEG) to Vancouver, BC (CYVR) responded to a traffic alert and collision avoidance system (TCAS) resolution advisory while in descent thought FL260. The aircraft had been cleared to FL250. The traffic, a Jazz de Havilland DHC-8-402 (JZA8489) from Calgary, AB (CYYC) to Vancouver, BC (CYVR) was at FL240. No operational impact.

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.

December 4, 2019

Incident at 12.6NM NE TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

A Porter Airlines de Havilland DHC-8-402 (C-GLQJ/POE256) on a flight from Toronto/Billy Bishop, ON (CYTZ) to Thunder Bay, ON (CYQT) was cleared to FL240 which was read back correctly. POE256 was subsequently observed to climb above FL240 and was cleared again to FL240. The aircraft was observed to climb to FL249 before descending to FL240. No impact on operations.

October 17, 2019

Incident at 35NM THUNDER BAY ON (CYQT) (ATM - inaccurate aeronautical information)

An Air Bravo Pilatus PC-12/45 (C-FKPI/AB1250) from Thunder Bay, ON (CYQT) to North Spirit Lake, ON (CKQ3) was issued a clearance to FL250. The altitude was changed in Extended Computer Display System (EXCDS) to FL240. No impact to operations. No other aircraft in the vicinity.

September 16, 2019

Incident at 16NM ECK VOR (Communication navigation surveillance/air traffic system)

An Air Canada Embraer ERJ 190-100 IGW (ACA1038) on a flight from Denver Intl, CO (KDEN) to Toronto/Lester B. Pearson Intl, ON (CYYZ) was cleared to descend to FL240 with crossing traffic, an ExpressJet Airlines Embraer EMB-145 (ASQ3984) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Chicago/OHare Intl, IL (KORD) at FL300.

July 11, 2019

Incident at KILLALOE ON VOR/DME (YXI) (ATS operating irregularity)

A Jazz Bombardier CL-600-2B19 (Series 200) (JZA8660) from London, ON (CYXU) to Ottawa/Macdonald-Cartier, ON (CYOW) was instructed by air traffic control (ATC) to descend from FL310 to FL240. Aircraft came within close proximity of another aircraft, an Air Canada Embraer ERJ 190-100 IGW (ACA458) from Toronto/Pearson, ON (CYYZ) to Ottawa/Macdonald-Cartier, ON (CYOW), that was holding at FL270. Instruction was meant for a Jazz Bombardier CL-600-2D24 (Series 900) (JZA8016) from Saskatoon/Diefenbaker, SK (CYXE) to Ottawa/Macdonald-Cartier, ON (CYOW).

July 8, 2019

Incident at SIOUX LOOKOUT ON (CYXL)

A Wasaya Airways Beech 1900D (C-FWAX/WSG913) from Sioux Lookout, ON (CYXL) to Big Trout Lake, ON (CYTL) reported medical emergency on board and advised returning to CYXL. No impact to operations.
Update TSB #A19C0085: C-FWAX, a Beech 1900D operated by Wasaya Airways as flight WSG913, was cruising en route at FL240 on an IFR flight from Sioux Lookout (CYXL), ON, to Big Trout Lake (CYTL), ON, when the crew was advised that a passenger was ill. The flight turned back to CYXL and a medical emergency was declared. The aircraft was met by an ambulance.

June 30, 2019

Incident at In the vicinity of: TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

An Air Transat Airbus A310-308 (C-GTSH/TSC462) from Montreal/Trudeau, QC (CYUL) to Toronto/Pearson, ON (CYYZ) was cleared to descend to FL330. Aircraft was observed to descend through FL330. When queried, the pilot stated that they had been cleared to FL310. Audio playback confirmed that the cleared level was FL330 and was read back correctly. Crossing traffic was well clear and TSC462 was cleared to continue descent to FL240. No impact on operations.

June 23, 2019

Incident at 35NM SW LONDON ON (CYXU) (ELT)

An Air Georgian Bombardier CL-600-2B19 (series 100) (C-GKEZ/GGN7312) from Indianapolis, IN (KIND) to Toronto/Pearson, ON (CYYZ) reported receiving a strong emergency locator transmitter (ELT) signal, first heard 35NM Southwest of London, ON (CYXU), between 0009Z and 0013Z, whilst descending from FL310 to FL240. Details passed to the Joint Rescue Coordination Centre (JRCC) Trenton.

June 4, 2019

Incident at 20NM SE TRENTON ON (CYTR) (ELT)

A Porter Airlines de Havilland DHC-8-402 (C-GKQF/POE946) from Boston, MA (KBOS) to Toronto/Billy Bishop, ON (CYTZ) reported a strong emergency locator transmitter (ELT) signal for 1 minute, 20NM Southeast (SE) of Trenton, ON (CYTR) at FL240. Joint Rescue Coordination Centre (JRCC) Trenton was advised.

May 16, 2019

Incident at 35NM ESW NORTH BAY ON (CYYB) (ELT)

A Private Air Inc. Beech B200C (C-GMNM/FSY134) from Val-dOr, QC (CYVO) to Toronto/Pearson, ON (CYYZ), when 35NM East of North Bay, ON (CYYB), at an altitude of FL240 and in the South westbound direction (heading 210 degrees magnetic), reported an emergency locator transmitter (ELT) signal. Signal was abruptly lost at 1752Z.

April 23, 2019

Incident at IGSAP

An Air Canada Airbus A320-211 (C-FPWD/ACA415) from Montreal, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) requested deviation due to weather and was instructed to stop descent at FL260. ACA415 continued to descend to FL240. No operational impact.

April 8, 2019

Incident at 44NM TORONTO ON VOR/DME (YYZ)

An Air Canada Embraer ERJ 190-100 IGW (ACA507) from Toronto/Pearson, ON (CYYZ) to Chicago/OHare, IL (KORD) was cleared to, and readback, FL240. Aircraft was observed climbing to FL250.

April 21, 2019

Incident at PEMBA intersection

An Air Georgian Limited Bombardier CL-600-2B19 (Series 100) (C-GKEJ/GGN7271) from Toronto/Lester B. Pearson, ON (CYYZ) to Memphis, TN (KMEM) crossed PEMBA at FL220, not FL240 as per the standard instrument departure (SID) instructions. When questioned by area control centre (ACC), the pilot gave no reason for not following the SID. No operational impact.

August 2, 2019

Incident at 45NM SAULT STE MARIE MI VOR/DME (SSM)

A loss of lateral separation occurred between a Gama Aviation Beech B300 (GAJ807) from Chippewa County, MI (KCIU) to Ottawa/Macdonald-Cartier, ON (CYOW) and a Porter Airlines Inc. de Havilland DHC-8-402 (POE633) from Toronto/Billy Bishop, ON (CYTZ) to Thunder Bay, ON (CYQT) cruising FL240 when vertical separation was not established. No operational impact.

November 21, 2019

Incident at 5435N / 11245W

A WestJet Boeing 737-700 (WJA4013) on a flight from Fort McKay/Firebag, AB (CYFI) to Edmonton Intl, AB (CYEG) was descending in to CYEG. Traffic information was passed on a WestJet Encore de Havilland DHC-8-402 (WEN3132) on a flight from Fort McMurray, AB (CYMM) to Edmonton Intl, AB (CYEG) at FL240. WJA4013 was cleared to FL250. WJA4013 reached FL260 and responded to a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) and climbed 300 feet.

November 14, 2019

Incident at SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE)

A Jazz de Havilland DHC-8-402 (C-GGMN/JZA8591) on a flight from Saskatoon/John G. Diefenbaker Intl, SK (CYXE) to Calgary Intl, AB (CYYC) was given and read back a clearance to FL240. The controller observed the pilot climbing through 24,300ft and queried the pilot. Pilot reached 24,900ft before returning to 24,000ft. No impact to operations.

November 7, 2019

Incident at 35NM SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE)

A Jazz de Havilland DHC-8-402 (C-GSJZ/JZA8583) from Saskatoon/Diefenbaker, SK (CYXE) to Calgary, AB (CYYC) was cleared to Flight Level 240 and was subsequently observed climbing through Flight Level 245. Pilot was queried and returned to FL240. The preliminary investigation revealed that the pilot read back FL250 and the discrepancy was not detected.

October 11, 2019

Incident at 89NM CALGARY INTL AB (CYYC)

A WestJet Encore de Havilland DHC-8-402 (WEN3146) on a flight from Fort McMurray, AB (CYMM) to Calgary Intl, AB (CYYC) and a WestJet Encore de Havilland DHC-8-402 (WEN3346) on a flight from Edmonton Intl, AB (CYEG) to Calgary Intl, AB (CYYC) were operating in the same general area both inbound landing in Calgary. WEN3146 was advised to be aware that WEN3346 was also on the same frequency. A clearance which was directed to WEN3346 was readback by WEN3146. The controller immediately advised WEN3146 that the descent clearance was not for them and advised them to confirm they were maintaining FL240. WEN3146 confirmed holding at FL240, no impact to operations.

August 17, 2019

Incident at 6010N / 13730W

The pilot of a United States Air Force Boeing CC-177 Globemaster III (COKE141) from Eielson Air Force Base, AK (PAEI) to Tacoma/Joint Base Lewis–McChord, WA (KTCM) communicated they were receiving door warning indications and requested descent to FL240. Pilot did not declare an emergency at this time and said they would have a better assessment once level at FL240. Aircraft was handed off to Anchorage while still in descent and leaving FL290, approximately. Anchorage controller was made aware of the issues reported by the pilot prior to the hand off. No impact to operations.

July 20, 2019

Incident at CALGARY INTL AB (CYYC)

The AL controller took hand off from DE at 2034Z for a WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3215) from Calgary, AB (CYYC) to Grande Prairie, AB (CYQU), 13NM south of TAMVU. A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3115) from Calgary, AB (CYYC) to Kamloops, BC (CYKA) checked in and the AL controller gave WEN3215 clearance to climb to FL240. WEN3115 read back climb to FL240. The AL controller then queried the aircraft callsign. WEN3115 was re-cleared to previous altitude and sent back to departure. WEN3115 was inside the Calgary (YYC) Terminal Control Unit (TCU) airspace but was not seen on the AL CSit screen. No loss of separation occurred.

June 24, 2019

Incident at 5331N / 11507W (ELT)

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3142) from Grande Prairie, AB (CYQU) to Edmonton, AB (CYEG) was heading eastbound at FL240 when the aircraft picked up a strong emergency locator transmitter (ELT) signal. Signal lasted approximately 3 minutes. Source unknown. No impact to operations.

June 16, 2019

Incident at 85NM WINNIPEG / JAMES ARMSTRONG RICHARDSON INTL MB (CYWG)

A Voyageur Airways de Havilland DHC-8-314 (C-FEXZ/VAL800) from Pikangikum, ON (CYPM) to Winnipeg/James Armstrong Richardson, MB (CYWG) was at FL240 and reported traffic alert and collision avoidance system (TCAS) alert and advised turning right. The traffic in vicinity was a Perimeter Aviation de Havilland DHC-8-314 (C-GJYZ/PAG1571) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Elk Island, MB (CKZ3) climbing to FL230. Both aircraft were given traffic information regarding each other and both pilots advised having the other on TCAS. At closest proximity the aircraft were 1 mile laterally and 1200 feet vertically apart. No impact to operations.

May 11, 2019

Incident at YORKTON MUNI SK (CYQV) (ELT)

A Jazz de Havilland DHC-8-402 (C-GYJZ/JZA8513) from Winnipeg/Richardson, MB (CYWG) to Edmonton, AB (CYEG) at FL240 reported an emergency locator transmitter (ELT) signal while overflying Yorkton, SK (CYQV). The joint rescue coordination centre (JRCC) Trenton was notified.

April 24, 2019

Incident at PEVNI intersection

A WestJet Boeing 737 700 (WJA227) from Calgary, AB (CYYC) to Victoria, BC (CYYJ) reported a pressurization issue and stopped climb at FL240. No emergency declared. No impact to the operation.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. GUWS experienced a right hand Air Conditioning pack trip off in cruise. After consultation with MOC, an MEL was applied, restricting the altitude to FL 250. Maintenance troubleshooting found the Low Limit 35 degree valve to be intermittent and replaced it. Aircraft was returned to service.

November 29, 2019

Incident at MONCTON CENTRE / ACC DE MONCTON (Communication navigation surveillance/air traffic system)

A Porter Airlines de Havilland DHC-8-402 (C-GKQA/POE256) from Saint John, NB (CYSJ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) requested and was cleared to FL200 but coordinated at FL240.

July 7, 2019

Incident at SILRO intersection

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GENK/WEN3421) from St. Johns, NL (CYYT) to Halifax/Stanfield, NS (CYHZ) requested to descend due to a cracked windshield. Subsequently, the pilot declared PAN PAN. Requested trucks on standby. Landed safely at CYHZ at 1419Z. No impact to operations.
Update TSB #A19A0050: C-GENK, a de Havilland DHC-8-400 aircraft operated by WestJet Encore, was conducting flight WEN3421 from St. John’s Intl (CYYT), NL to Halifax/Stanfield Intl (CYHZ), NS with 4 crew members and 49 passengers on board. During cruise flight at FL240, the first officer’s side windshield cracked. The flight crew executed the QRH, and descended to 14 000 feet ASL. A PAN PAN was declared, and the flight continued to CYHZ without further incident. The operator’s maintenance replaced the windshield, and the aircraft was returned to service.

March 19, 2019

Incident at 5105N / 04331W

At position 5105N/04331W and FL370, a British Airways Boeing 777-236 (G-ZZZA/BAW11J) from New York/John F. Kennedy Intl, NY (KJFK) to London/Heathrow, UK (EGLL) declared MAYDAY and requested turnback to St. Johns Intl, NL (CYYT) due to a fire indication in the cargo hold. Unable to obtain IFR clearance. BAW11J offset south of route, descended to FL240, and was issued clearance direct CYYT. BAW11J landed without incident at 0459Z.

December 12, 2018

Incident at 44NM BAGOTVILLE QC NDB (YBG) (Communication navigation surveillance/air traffic system)

Air traffic services (ATS) cleared a Chrono Aviation Beech 1900D (C-GXCA/NDL191) from Bagotville, QC (CYBG) to Nemiscau, QC (CYHH), headed northwest, to climb to FL240, behind a Kudlik Aviation Pilatus PC-12/47 (C-GODE/KUK707) from Quebec/Jean Lesage, QC (CYQB) to Kuujjuaq, QC (CYVP), which was established at FL230 and heading north, despite the insufficient lateral separation. The separation was re-established one minute after it had been lost.
Mise à jour: Rapport du BST no A18Q0197: C-GXCA, a Chrono Aviation Inc. Beech 1900D (NDL191), was cleared to climb to FL240 at departure from Bagotville (QC) north-westbound to Nemiscau, QC behind C-GODE, a Kudlik Aviation Inc. PC-12/47 (KUK707) which was level at FL230 and heading northbound from Quebec/Jean Lesage, QC (CYQB) to Kuujjuaq, QC (CYVP). A loss of separation occurred when the distance between the two aircraft was reduced to 3.5 miles at the same altitude, while the standard is 5 miles or 1 000 ft. The separation was re-established one minute after it had been lost.

June 4, 2018

Incident at 0 SE BEMOG

Although it had been cleared to descend to FL240 and although it had correctly read back this clearance, a WestJet Boeing 737 600 (WJA218) from Calgary, AB (CYYC) to Montreal, QC (CYUL) reported to air traffic services (ATS) that it was descending to FL210. WJA218 cleared again for FL240. No impact.

May 19, 2018

Incident at 47NM NW MONTRÉAL / PIERRE ELLIOTT TRUDEAU INTL QC (CYUL)

UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. The propeller Pitch Control Unit (PCU), engine Electronic Control Unit (ECU) and Propeller Electronic Controller (PEC) were replaced and the engine tested serviceable. The aircraft was returned to service.
At 1702Z, a Jazz de Havilland DHC-8-402 (C-GJZH/JZA8917) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) declared an emergency due to problems with its right engine and changed course to go to Montreal/Pierre Elliott Trudeau, QC (CYUL). Emergency vehicles were deployed. The aircraft landed without incident at 1724Z. A runway inspection was performed. No impact on operations.
UPDATE: TSB#A18Q0068: C-GJZH, a Jazz Aviation LP Bombardier DHC-8-400, was on instrument flight rules flight JZA8917 from Quebec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) with 4 crew members and 78 passengers on board. The aircraft was at its cruising altitude at FL240, approximately 47 nautical miles north-west of Montreal/Pierre Elliott Trudeau, QC (CYUL), when it experienced propeller overspeed in the right engine?s propeller. The flight crew completed the applicable checklist and shut off the engine (PWC PW150A). An emergency was declared and the aircraft was diverted to CYUL, where it landed without any problems.

May 8, 2018

Incident at 58NM LA GRANDE RIVIÈRE QC (CYGL)

After having been cleared for FL240 and having repeated the authorization, a Hydro-Québec (C-GHQL/HYD145) de Havilland DHC-8-402 from La Grande Rivière, QC (CYGL) to Rouyn-Noranda, QC (CYUY) was observed level at FL250. No operational impact.

February 13, 2018

Incident at 15NM MONTRÉAL INTL (MIRABEL) QC (CYMX) (ELT)

The loud and clear emergency locator transmitter (ELT) signal was heard by two aircraft (at 16,000 feet and FL240) west of Mirabel (CYMX), QC. Source unknown. The Joint Rescue Coordination Centre (JRCC) Trenton was advised.

February 6, 2018

Incident at 12NM ST-FELIX-DE-VALOIS (LOURDES-DE-JOLIETTE) QC (UFX) NDB

Around 1849Z, a Porter Airlines de Havilland DHC-8-402 (C-GKQE/POE514) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Billy Bishop, ON (CYTZ) reported having a cracked windshield and requested to descend from FL240 at 14 000 ft, but it did not declare an emergency. Around 1913Z, the aircraft requested to be diverted to Ottawa/Macdonald-Cartier, ON (CYOW), and it landed on Runway 25 at 1932Z. No impact on operations.

February 4, 2018

Incident at 18NM QUÉBEC / JEAN LESAGE INTL QC (CYQB)

UPDATE TSB Report no. A18Q0017: Cessna 441 N191MG was IFR from Quebec City/Jean-Lesage International Airport, Quebec (CYQB) to New Bedford Regional Airport, Massachusetts, USA (KEWB). As the aircraft climbed to flight level 240, the pilot declared an emergency because of a vibration at the rear of the aircraft. Less than two minutes later, the pilot advised that he had stabilized the situation and was no longer in a state of emergency, but requested a diversion to Burlington Intl Airport, Vermont USA where the aircraft landed without incident.
While climbing to FL240, an American corporately owned Cessna 441 (N191MG) from Quebec/Jean Lesage, QC (CYQB) to New Bedford, MA (KEWB) declared an emergency due to vibrations at the back of the aircraft and requested to land immediately. Less than two minutes later, the aircraft was in control of the situation and informed the air traffic controller (ATC) that there was no longer an emergency and that it preferred to be diverted to Burlington, VT (KBTV). At 1947Z, the aircraft reported that it was going to continue its flight with the landing gear down, and it still did not declare an emergency. No impact on operations.

January 25, 2018

Incident at BEAUCE (ST-GEORGES) QC (VLV) VOR/DME

Around VOR VLV and at FL240, a Porter Airlines de Havilland DHC-8-402 (C-GLQV/POE228) from Fredericton, NB (CYFC) to Ottawa/Macdonald-Cartier, ON (CYOW) requested to descend to 10 000 ft due to a pressurization problem. The aircraft, as anticipated, continued its flight to CYOW and landed at 1857Z on Runway 25. No emergency declared. No impact on operations.

May 30, 2018

Incident at 3NM RUTLAND (KELOWNA) BC (EX) NDB

A WestJet Encore de Havilland DHC-8-402 (C-GKWE/WEN3349) from Kelowna, BC (CYLW) to Vancouver International, BC (CYVR) was cleared to FL200. The pilot read back FL240. When the aircraft was observed climbing through FL200, WEN3349 was re-cleared to FL220. No operational impact.

April 4, 2018

Incident at 5028N / 11537W

A WestJet Encore de Havilland DHC-8-402 (WEN3116) from Kamloops, BC (CYKA) inbound to Calgary, AB (CYYC) was at FL230 and cleared to A120. A WestJet Boeing 737-700 (WJA128) from Vancouver, BC (CYVR) to Calgary, AB (CYYC) also inbound to Calgary on the same track was cleared from FL330 to FL240. WJA128 received a traffic alert and collision avoidance system (TCAS) Resolution Advisory and levelled off at FL250. Traffic was passed between aircraft. No impact to operations.

March 27, 2018

Incident at 13NM PRINCETON BC (CYDC)

A Horizon Air Industries, Inc. de Havilland DHC-8-400 (QXE2429) from Kelowna, BC (CYLW) to Seattle, WA (KSEA) that was climbing to FL240, requested to stop climb at FL180 due to pressurization indication and then subsequently required descent. Traffic at 17 000 feet responded to a traffic alert and collision avoidance system (TCAS) and started descent and was instructed to continue descent to 14 000 feet. QXE2429 was instructed to turn left to accommodate descent to 12 000 feet. QXE2429 squawked emergency code subsequently landing safely in Seattle, WA (KSEA) at 1359Z.

February 1, 2018

Incident at 5010N / 12247W

A Central Mountain Air de Havilland DHC-8-102 (C-FCJE/GLR9932) on a flight from Vancouver, BC (CYVR) to Prince George, BC (CYXS) was cleared to FL240 but climbed to FL250 before being corrected by the controller. No operational impact.

December 21, 2018

Incident at LINNG intersection

An Air Georgian Limited Bombardier CL-600 2B19 (Series 200) (GGN7349) from Charlotte International, NC (KCLT) to Toronto/Pearson International, ON (CYYZ) declared PAN PAN due to the aircraft flaps being unserviceable. The aircraft landed at 0622Z. No operational impact.
Update TSB Report #A18O0169: C-GKGC, an Air Georgian Ltd. Bombardier CL-600-2B19 aircraft (GGN7349), was on route from Charlotte, NC (KCLT) to Lester B. Pearson Intl - Toronto (CYYZ) and climbing through FL240 when the crew received a FLAPS FAIL message. The crew declared a PAN PAN and continued to CYYZ. The aircraft performed an uneventful flapless landing at CYYZ with ARFF standing by. Maintenance found a fault with the left Brake/Position Sensor Unit. The unit was replaced and the aircraft was returned to service.

December 15, 2018

Incident at In the vicinity of: SIOUX LOOKOUT ON (CYXL)

A Wasaya Airways Beech 1900D (C-GWOX/WSG841) from Kasabonika, ON (CYAQ) to Sioux Lookout, ON (CYXL) was instructed to climb to FL220, and read back FL240. WSG841 was subsequently observed on the radar through FL220 and was instructed to climb to FL240. No operational impact.

September 11, 2018

Incident at In the vicinity of: SAULT STE. MARIE ON (CYAM) (ELT)

A Porter airlines de Havilland DHC-8-402 (C-GKQI/POE222) from Toronto/Billy Bishop, ON (CYTZ) to Thunder Bay, ON (CYQT) reported hearing an emergency locator transmitter (ELT) while cruising at FL240 westbound at 40NM northwest (NW) of Sault Ste. Marie, ON (CYAM). The Joint Rescue Coordination Centre (JRCC) Trenton was notified. No further reports.

July 19, 2018

Incident at 30NM KINGSTON ON (CYGK)

Even though a Porter Airlines Inc. de Havilland DHC-8-402 (C-GLQB/POE204) from Ottawa, ON (CYOW) to Toronto/Billy Bishop, ON (CYTZ) was authorized and correctly readback a climb to FL220, C-GLQB continued its climb to FL240 within Toronto airspace. No impact.

July 22, 2018

Incident at PEMBA

A Mesa Airlines Embraer EMB-170 (ASH6109) from Toronto/Lester B. Pearson Int'l, ON (CYYZ) to Houston Int'l, TX (KIAH) was unaware of the PEMBA FL240 crossing restriction. ASH6109 crossed PEMBA at approximately FL230. The controller turned ASH6109 right 15 degrees for traffic. No other operational issues.

June 20, 2018

Incident at RAKAM intersection

A corporately registered Cessna 525 (N85VR) from Watertown, NY (KART) to West Michigan, MI (KBIV) checked in climbing to FL330. The flight plan had been filed at FL240 and Concordia advised they had cleared N85VR to FL230 which was read back. The controller cleared N85VR to maintain FL230. No operational impact.

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