While inbound, a WestJet Encore de Havilland DHC-8-402 (WEN3538) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) declared MAYDAY due to flight control problems. Coordination carried out. WEN3538 landed without incident at 0248Z. No impact.

An Air Canada Airbus A320-211 (C-FDSN/ACA485) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) requested a return to the airport due to a vibration in engine #2; no emergency was declared while the aircraft was inbound for Runway 06R at CYUL. The aircraft then requested the presence of Aircraft Rescue and Fire Fighting (ARFF) services on the holding bay for Runway 24L to check the engine. No impact on operations.

An Air Algérie Airbus A330-202 (7TVJC/DAH2700) from Algiers, Algeria (DAAG) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was instructed to conduct a go-around on Runway 06R because a Sky Regional Airlines Embraer ERJ 170-200 SU (C-FEIQ/SKV7742) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Newark, NJ (KEWR) had lined up on the runway while a Chartright Air Bombardier BD-100-1A10 (C-FXGO/HRT242) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was unable to exit via Taxiway L, which was blocked by a Government of Quebec Canadair CL600-2B16 (C-GQBQ/QUE20) on a MEDEVAC flight from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Quebec/Jean Lesage, QC (CYQB). No other impact on operations.

TSB Report #A20Q0021: C-GTQB, an Air Transat Boeing 737-800 (TSC474), was on an instrument flight rules (IFR) flight from Montreal/Pierre Elliott Trudeau International, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) with 172 passengers and 6 crew members on board. During pushback from Gate 49 at departure from CYUL, the right Scimitar winglet hit temporary construction fencing. The aircraft was brought to the gate, and passengers got off normally to get onto another aircraft. There were no injuries, and damage was limited to the winglet.

An Air Canada Rouge Airbus A319-114 (C-FYIY/ROU1524) from Toronto/Lester B. Pearson, QC (CYYZ) to Fredericton, NB (CYFC) declared PAN PAN with the Boston Centre due to a hydraulic problem. The aircraft landed at Quebec/Jean Lesage, QC (CYQB) at 1538Z. Runway 24 was closed at CYQB until 1610Z.

An Air Canada Rouge Boeing 767-38E (C-GDUZ/ROU7096) from Montreal/Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) declared PAN PAN due to a loss of the electrical system and requested a return to CYUL. At 1508Z, ROU7096 cancelled PAN PAN and requested to be redirected to its initial destination, CYYZ. No impact on operations.

A Chartright Air Cessna 560XL (HRT510) from Montreal/St-Hubert, QC (CYHU) to Toronto/Lester B. Pearson Intl, ON (CYYZ) taxied via Charlie for a departure from Runway 06L. The aircraft was seen crossing the hold short line. No impact.

An Air Canada Airbus A320-214 (C-GJVT/ACA402) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) rejected its approach on Runway 24R due to instability. No impact on operations.

A Jazz de Havilland DHC-8-311 (C-FMDW/JZA8699) from Sept-Îles, QC (CYZV) to Montreal/Trudeau, QC (CYUL) pulled up on Runway 06R because the preceding arrival reported that the runway was slippery, with a strong downwind to the ground. JZA8699 headed to CYYZ after its pull-up.

Although it had received and read back clearance for standard instrument departure (SID) NORDIK 3, a WestJet Encore Ltd. Bombardier DHC-8-402 (C-GWJK/WEN3409), from Quebec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) was seen on a heading of 294, while the SID calls for a heading of 273. No impact on operations.

A GoJet Airlines Bombardier CL-600-2D24 (N185GJ/GJS6238) from Detroit-Wayne County, MI (KDTW) to Montreal/Trudeau, QC (CYUL) received and readback "Alpha 2, Alpha, Runway 28" and was observed passing Runway 28. Impact: A WestJet Encore de Havilland DHC-8-402 (WEN3541) from Montreal/Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) had to turn 180 degrees to go back to A4.

A Jazz de Havilland DHC-8-301 (C-GETA/JZA8968) from Ottawa/Macdonald-Cartier, ON (CYOW) to Montreal/Trudeau, QC (CYUL) was instructed by the tower to overshoot Runway 06R due to an Air Canada Airbus A320-214 (C-FXCD/ACA403) from Montreal/Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ), which was on the runway. ACA403 had missed its holdover time and taxied to return to de-icing.

A GoJet Airlines Bombardier CL-600-2D24 (N183GJ/GJS6184) from Detroit/Wayne County, MI (KDTW) to Montreal/Trudeau, QC (CYUL) was instructed to overshoot Runway 06R due to an Air Canada Airbus A321-211 (C-GITY/ACA480) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Trudeau, QC (CYUL), which was slow in leaving the runway.

A WestJet Encore de Havilland DHC-8-402 (C-GWEJ/WEN3523) from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported the presence of a plastic bag on Runway 06R after its takeoff. Inspection completed. Nothing found.

A WestJet Encore de Havilland DHC-8-402 (WEN3523) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Lester B. Pearson Intl, ON (CYYZ) at departure from CYUL and on climb to 5 000 ft reported that it had received a traffic alert and collision avoidance system resolution advisory (TCAS RA). The traffic, a First Air Boeing 737-400 (FAB166) level at 6 000 ft, was not a real conflict. No impact on operations.

A Lufthansa German Airlines Boeing 747-400 (DABVR/DLH470) from Frankfurt, Germany (EDDF) to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported that it was off course from the cleared route due to the flight management system (FMS) not working properly. The route known by air traffic services (ATS) was MT YXI. No impact on operations.

An Air Transat Airbus A330-342 (C-GCTS/TSC399) from Punta Cana, Dominican Republic (MDPC) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) received and read back the instruction to hold short of Taxiway F on Runway 28. TSC399 contacted apron management, which told it to turn onto F. A WestJet Encore de Havilland DHC-8-402 (WEN3534) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) was on B2 after landing on Runway 24R and had clearance to cross Runway 28 towards F. Impact: WEN3534 had to yield to TSC399.

At takeoff, a Jazz Bombardier CL-600-2B19 (C-FIJA/JZA8549) from Montreal/Trudeau, QC (CYUL) to Charlottetown, PE (CYYG) reported that it was going back to CYUL and landing. The nature of the issue was not indicated. No emergency was declared and no assistance was requested. The aircraft landed without incident at 0306Z. Impact: a GoJet Airlines Bombardier CL-600-2D24 (GJS6238) from Detroit Metro/Wayne County, MI (KDTW) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL), an Air Canada Airbus A320 (ACA426) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL), and another Air Canada flight (ACA4235) were delayed at landing, and a few flights were delayed at takeoff. No other impact on operations.

An Air Canada Airbus A320-211 (C-FTJS/ACA480) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Trudeau, QC (CYUL) was instructed by the tower to pull up because a Porter Airlines Inc. de Havilland DHC-8-402 (C-GLQX/POE452) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) rejected its takeoff on Runway 06R due to a faulty indication. POE452 returned to the gate and ACA480 landed on Runway 06R at 1303Z.

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GPWE/WEN3441) from Greater Moncton/Romeo Leblanc Intl, NB (CYQM) to Toronto/Lester B. Pearson Intl, ON (CYYZ) declared PAN PAN with Boston Centre due to a loss of the hydraulic system. The aircraft then requested to be redirected to Montreal/Pierre Elliott Trudeau, QC (CYUL) and requested the services of Aircraft Rescue and Fire Fighting (ARFF). The aircraft landed on Runway 06R at 1153Z without incident. Runway 06R was closed from 1153Z to 1210Z. Impact: a few departures were delayed.
UPDATE: TSB Report #A20Q0004: C-GPWE, a WestJet Encore de Havilland, Dash-8 Q400 (WEN3441), was on an instrument flight rules (IFR) flight from Moncton/Greater Moncton Intl., NB (CYQM) to Toronto/Lester B. Pearson, ON (CYYZ) with 66 passengers and 4 crew members on board. While the aircraft was in cruising flight approximately 175 nautical miles east of Montreal Pierre Elliott Trudeau, QC (CYUL), a loss of hydraulic fluid in system number 1 occurred. The crew diverted to CYUL and declared an emergency, and Aircraft Rescue and Fire Fighting (ARFF) services were deployed. The aircraft landed on Runway 06R without incident. There were no injuries or damage to the aircraft.

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GPWE/WEN3410) from Toronto/Lester B. Pearson, ON (CYYZ) to Quebec/Jean Lesage, QC (CYQB) rejected its approach on Runway 29 due to the presence of a fox on the runway.

An Air Canada Airbus A321-211 (C-GJVX/ACA110) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ) was issued a taxi clearance to hold short Taxiway L. The aircraft was observed crossing Taxiway L.

An Air Transat Airbus A321-211 (C-FTXU/TSC952) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ) committed a taxi incursion. The aircraft missed the exit at D7.

A WestJet Boeing 737-7CT (C-FWSO/WJA702) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ) reported a bird strike when departing Runway 26L.

An Air Canada Boeing 777-333ER (C-FKAU/ACA103) from Toronto/Lester B. Pearson, ON (CYYZ) to Vancouver, BC (CYVR) committed a taxi incursion. Boeing 777-300 aircraft are not authorized to use Taxiway M3. No operational impact.

An Air Canada Airbus A320-214 (C-FZQS/ACA559) from Los Angeles, CA (KLAX) to Vancouver, BC (CYVR) issued a missed approach due to a WestJet Boeing 737-8CT (C-FUCS/WJA724) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ) slow to depart. Audio and radar reviewed.

A WestJet Boeing 737-76N (C-FZWS/WJA717) from Toronto/Lester B. Pearson, ON (CYYZ) to Vancouver, BC (CYVR) that was waiting to park at Gate 15 reported foreign object debris (FOD) on the apron near Gate 13 where a WestJet Boeing 737-6CT (C-GWJU/WJA141) from Edmonton, AB (CYEG) to Vancouver, BC (CYVR) was parking. Reported to Vancouver Airport Authority (YVRAA) and upon inspection the FOD was determined to originate from WJA141 colliding with WJA717 while passing on the apron. No operational impact.
UPDATE TSB Report #A20P0011: C-GWJU, a Boeing 737-600 aircraft operated by WestJet, was conducting flight WJA141 from Edmonton Intl (CYEG), AB to Vancouver Intl (CYVR), BC with 5 crew and 80 passengers on board. The flight crew stopped short of the lead-in line for gate B15, with engines running, awaiting ground crew to marshal the aircraft to the gate. C-FZWS, a Boeing 737-700 aircraft operated by WestJet, was conducting flight WJA717 from Toronto/Lester B. Pearson Intl (CYYZ), ON to CYVR with 5 crew and 87 passengers on board. This aircraft was taxing eastbound on the apron towards the lead-in line for gate B13, when the left winglet contacted the right-hand horizontal stabilizer of C-GWJU. There were no injuries. Both aircraft sustained substantial damage.
UPDATE from Airworthiness: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. Flight crew of WJA717 reported to the Maintenance Control Centre (MCC) that the left wingtip contacted the right hand stabilizer upon taxiing to the gate. Maintenance inspected Left-Hand (L/H) winglet and found damage. Winglet strike inspection carried out in accordance with aircraft maitenance manual (AMM). Due to winglet strike, a "Non-Destructive Testing" (NDT) (eddy current) examination was carried out as per the Boeing 737 AMM and no crack indications were noted. Maintenance replaced winglet in accordance with AMM. Maintenance applied aerodynamic smoother to upper surface of L/H winglet in accordance with AMM. Aircraft returned to service on. Aircraft has flown 171 cycles since the occurrence with no further related issues.

An Air Canada Boeing 777-300 (ACA115) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Vancouver Intl, BC (CYVR) was instructed to go around Runway 08L, due to slower traffic ahead and runway separation not assured.

An Air Canada Airbus A321-211 (C-GJWI/ACA107) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Vancouver Intl, BC (CYVR) flew the missed approach due to "not ready to land". The aircraft was vectored for a 2nd approach and landed without further issue at 2307Z.

Tower instructed a Flair Airlines Ltd. Boeing 737-86J (C-FFLC/FLE223) from Toronto/Lester B. Pearson, ON (CYYZ) to Vancouver, BC (CYVR) to conduct a missed approach to Runway 08L due to its proximity to the preceding landing aircraft, a Carson Air Ltd. Fairchild SA-227DC (CA8081) from Kelowna, BC (CYLW) to Vancouver, BC (CYVR). FLE223 landed safely on Runway 08L.

A WestJet Boeing 737-7CT (C-FWCN/WJA717) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Vancouver Intl, BC (CYVR) elected to conduct a missed approach. The aircraft was vectored for a 2nd approach and landed Runway 08L at 0246Z. No impact to operations.

An Air Canada Boeing 787-9 (C-FVLU/ACA1327) from Toronto/Lester. B Pearson, ON (CYYZ) to Vancouver, BC (CYVR) at FL380 encountered mountain wave activity. Aircraft climbed to FL383 then dropped to FL373 within 20 seconds.

A WestJet Boeing 737-76N (C-GRWS/WJA717) from Toronto/Lester B. Pearson, ON (CYYZ) to Vancouver, BC (CYVR) flew the published missed approach for Runway 08L. WJA717 climbed to 2,200 prior to descending back down to 1,700. At this point, WJA717 checked in with the departure controller and was instructed to expedite climb to 3,000.

An Air Canada Boeing 787-9 (C-FRSR/ACA1326) on a flight from Vancouver Intl, BC (CYVR) to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported a bird strike on departure. Runway closed for 5 minutes. Nothing found.

A WestJet Boeing 737-76N (C-GRWS/WJA717) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Vancouver Intl, BC (CYVR) initiated an overshoot Runway 08L due to unstable approach. No impact on operations.

An Air Transat Airbus A321-211 (C-FTXQ/TSC917) on a flight from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Vancouver Intl, BC (CYVR) exited Runway 26R and was instructed to taxi H hold short V. The aircraft turned left onto M.

A WestJet Boeing 737-800 (WJA3907) from San Salvador, El Salvador (MSLP) to Toronto/Lester B. Pearson, ON (CYYZ) reported multiple laser strikes from the vicinity of Grimsby, Ontario while on arrival to CYYZ. No operational impact.

The pilot of a British Airways Airbus A350-900 (GXWBA/BAW99) from London/Heathrow, United Kingdom (EGLL) to Toronto/Lester B. Pearson, ON (CYYZ), on final approach for Runway 05, advised of a brake fault indication and requested to conduct a go-around to conduct some checks. Aircraft re-circuited and landed at 2349Z without further issue. No assistance was required and no impact on operations.

Aviation Incident Report #16554: The pilot of a WestJet flight on a flight from Winnipeg/James Armstrong Richardson Intl, MB (CYWG) to Toronto/Lester B. Pearson Intl, ON (CYYZ) called in via satellite phone to alert of two guests onboard that were acting strangely. Police were arranged for arrival to meet the aircraft, but were not as concerned as the passengers were escorted to their ride home by a Westjet employee.

The Toronto/Lester B. Pearson, ON (CYYZ) Tower reported receiving a strong emergency locator transmitter (ELT) signal for five minutes, then intermittently thereafter. Joint Rescue Coordination Centre (JRCC) Trenton and Greater Toronto Airports Authority (GTAA) were advised.

Upon landing on Runway 24L, a Jazz de Havilland DHC-8-402 (C-GGNW/JZA8949) from Saint John, NB (CYSJ) to Toronto/Lester B. Pearson, ON (CYYZ) was cleared to taxi via Taxiway D2 and cross Runway 24R. Separation was not assured with a departing Air Canada Embraer ERJ 190-100 IGW (C-FMZB/ACA462) from Toronto/Lester B. Pearson, ON (CYYZ) to Ottawa/Macdonald-Cartier, ON (CYOW). Transportation Safety Board of Canada (TSB) advised.
UPDATE: This record replaces duplicate CADOR 2020O0437.
UPDATE TSB Report #A20O0026: Jazz Aviation LP, flight JZA949, a De Havilland DHC-8-400 (registration C-GGNW) aircraft, landed at Toronto / LBPIA (CYYZ) on Runway 24L and was instructed by ATC to take a right turn onto D2 and then cross Runway 24R. When the aircraft was approaching the holding position for Runway 24R, the flight crew observed an Air Canada ERJ 190-100 (flight AC462, registration C-FMZB) departing runway 24R in front of them. AC462 had received clearance from ATC to depart Runway 24R, and was on the take-off roll. The flight crew of JZA949 queried ATC when they saw AC462 passing in front. NAV Canada is conducting an internal investigation.

Aviation Incident Report #16570: A WestJet Boeing 767-338 (WJA2703) landed in Toronto/Lester B. Pearson Intl, ON (CYYZ) at 2345Z and was into the gate at 0006Z. The aircraft needed to hold due to Canada customs: additional screening for COVID virus, giving people space between each other. The aircraft was released at 0250Z. Guests began to get irate and unruly at approximately 0220Z. Guests were fighting with each other and someone opened duty free to drink. Police presence was requested. Manager attended the flight when advised guests were going to step off the plane and would no longer listen to instructions. On the way to aircraft, doors were opened to customs hall so there would not be a breach if guests ignored instructions and deplaned. No guests were off the plane when manager arrived at 0230Z. Police arrived at approximately 0235Z. Police arrived with masks, they briefed with crew. They called Canada Border Services Agency (CBSA) to try and help get hold released. Customs hold released at 0250Z. Police did not step on plane to deal with any specific passengers, stayed near doorway. Passengers were standing near the door.

A Jazz de Havilland DHC-8-300 (JZA8649) from Toronto/Lester B. Pearson, ON (CYYZ) to London, ON (CYXU) was inbound at 1816Z and initiated an overshoot for Runway 15 due to birds on the approach. Pilot completed VFR circuit (CCT) and landed on Runway 15. No impact on operations.

Aviation Incident Report #16559: A WestJet flight departing from Toronto/Lester B. Pearson Intl, ON (CYYZ) returned to the gate for reports from flight attendants and several guests regarding a family that being disruptive. Once plane door was open, police stepped on the aircraft to offload the family and take statements. Family rebooked on a later flight.

Aviation Incident Report #16565: A WestJet Boeing 737-8CT (C-FUCS) on a flight to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported an unruly passenger on board. One passenger was being rude to flight crew which caused other passengers to get involved and start yelling at each other. Once aircraft was into gate, on police officer stepped on the plane. Police advised to make announcement with all guests seat numbers to remain seated onboard. After offload was complete 3 Canada Border Services Agency (CBSA) officers and 4 police officers spoke with all parties.

A WestJet Boeing 737-800 (WJA4306) from Ottawa/Macdonald-Cartier, ON (CYOW) to Toronto/Lester B. Pearson, ON (CYYZ) was initiated by the tower to conduct an overshoot (O/S) of Runway 23. A SkyWest Airlines Bombardier CL-600-2B19 (SKW4463) from Toronto/Lester B. Pearson, ON (CYYZ) to Minneapolis/St-Paul, MN (KMSP) was on the runway and was given take-off clearance, but the aircraft was not rolling. SKW4463 then asked the tower if they were cleared, at which point WJA4306 was given the overshoot. WJA4306 landed at 0031Z. No operational impact.

An Air Canada Airbus A320 (ACA945) from Ixtapa-Zihuatanejo, Mexico (MMZH) to Toronto/Lester B. Pearson, ON (CYYZ) declared a medical emergency due to a sick passenger. Crew arranged for medical response at gate. Aircraft landed safely at 0009Z. No further impact to operation.

Aviation Incident Report # 16582: The crew of a WestJet Boeing 737-7CT (C-GWJS) on a flight from Calgary Intl, AB (CYYC) to Toronto/Lester B. Pearson Intl, ON (CYYZ) requested police and emergency medical services (EMS) due to a passenger consuming their own alcohol on board. The passenger was met by police and EMS after getting off the aircraft.

A Jazz Bombardier CL-600-2D24 (C-GNJZ/JZA8622) from Saskatoon/John G. Diefenbaker, SK (CYXE) to Toronto/Lester B. Pearson, ON (CYYZ) initiated a missed approach to Runway 06L due to not intercepting and capturing the glide slope. JZA8622 landed Runway 06L at 1611Z without incident. No impact to operations.

A WestJet Boeing 737-700 (WJA702) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ) initiated an overshoot for Runway 23 due to a wind gust on short final. The aircraft returned to land safely. No impact to operations.