An Air Canada Airbus A321-211 (C-GJWD/ACA430) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) reported green laser strikes occurring three times on the right side and at an altitude between 1,000 ft and 400 ft, on final for Runway 06R.

An Air Transat Airbus A321 (TSC561) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) reported fireworks on short final for Runway 24R. Police notified.

An Air Canada Airbus BD-500-1A11 (ACA1206) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Miami, FL (KMIA) read back instructions to "turn on a heading of 310" that had been given to an Air Canada Airbus A320 (ACA405) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ). No impact on operations.

A Jet-Share Aviation Inc. Cessna 650 (C-FTOR) from Bonaventure, QC (CYVB) to Toronto/Lester B. Pearson, ON (CYYZ) departed, VFR, from CYVB and climbed into Class B airspace without a clearance. No traffic in the area.

A Jet-Share Aviation Inc. Cessna 650 (C-FTOR) from Bonaventure, QC (CYVB) to Toronto/Lester B. Pearson, ON (CYYZ) was observed climbing through Class B airspace without clearance.

An Icelandair Boeing 737 MAX 9 (TFICA/ICE37B) from Keflavík, Iceland (BIKF) to Toronto/Lester B. Pearson, ON (CYYZ) was observed off-profile of the authorized track and proceeding direct to IMEBA. The route known to the air traffic service (ATS) unit was LIDAG. No impact on operations.

An Air Canada Airbus BD-500-1A11 (C-GNAM/ACA402) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) pulled up on final for Runway 24L due to a wind shear warning. The aircraft returned to land at the airport at 1330Z.

An Airsprint Inc. Embraer EMB-545 (C-GXAS/ASP826) from Port Hawkesbury, NS (CYPD) to Toronto/Lester B. Pearson, ON (CYYZ) requested a change of destination as they wanted to check something at the rear of the aircraft. The controller gave them a new route to Québec/Jean-Lesage, QC (CYQB). The pilot did not declare an emergency. There was no impact on operations.

An Air Canada Rouge Airbus A321-211 (ROU1797) from Québec/Jean-Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) reported a possible bird strike on departure from Runway 24. A runway check was completed at 1959Z, and a bird strike was confirmed.

An Air Canada Rouge Airbus A320-214 (C-GFDU/ROU1791) from Québec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) declared an emergency due to a loss of cabin pressure. The aircraft descended to 10,000 ft and continued its flight to CYYZ. The aircraft landed without incident at 1050Z. No impact on operations.

The tower controller ordered an Air Canada Boeing 777-333ER (ACA893) from Fiumicino/Leonardo da Vinci, Italy (LIRF) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to conduct a go-around because an Air Canada Boeing 777-333ER (C-FIUW/ACA419) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) was slow taking off.

A Skyservice Business Aviation Inc. Bombardier BD-700-1A10 (SYB946) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/St-Hubert, QC (CYHU) was seen not stopping at the hold short line of Runway 06R. No impact on operations.

An Air Canada Airbus BD-500-1A11 (ACA425) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) was unable to taxi once in position on Runway 24L. The tower instructed an Air Inuit Ltd. de Havilland DHC-8-314 (AIE803) from Kuujjuarapik, QC (CYGW) to Montréal/Pierre Elliott Trudeau, QC (CYUL) to conduct an overshoot Runway 24L. No other impact on the operation.

An Air Inuit de Havilland DHC-8-314 (C-GRAI/AIR851) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Rouyn-Noranda, QC (CYUY) and a WestJet Encore Ltd. de Havilland DHC-8-402 (C-FNEN/WEN3533) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) used temporary Taxiway J instead of JC. No impact on operations.

An Air Canada Airbus A330-343 (ACA812) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Lisbon/Humberto Delgado, Portugal (LPPT) declared "PAN PAN" at 0412Z due to a hydraulic issue. The aircraft landed without further incident at 0441Z. Operational impact: Runway 24R was closed until 0518Z. A WestJet Boeing 737-800 (WJA598) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) and an Air Canada Airbus BD-500-1A11 (ACA312) from Vancouver, BC (CYVR) to Montreal/Pierre Elliott Trudeau, QC (CYUL) were delayed upon arrival by approximately 30 minutes.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3538) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) conducted a go-around due to an unstable approach.

An Air Canada Airbus BD-500-1A11 (ACA418) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) conducted an overshoot due to a brake indication. No emergency. They returned to land on Runway 24L at 2218Z with no issues. (Duplicate record of AOR 286170-V1/SCRQEAC 2022Q1578 deleted after information was merged)

An Air Canada Rouge Airbus A320-214 (C-GFWX/ROU1525) from Fredericton, NB (CYFC) to Toronto/Lester B. Pearson, ON (CYYZ) declared an emergency due to a hydraulic issue. The aircraft continued its flight to CYYZ. The aircraft landed without incident at 0928Z. No impact on operations.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3513) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) aborted takeoff from Runway 24L due to a light indication. The aircraft left the runway to perform a check and returned for takeoff. It aborted takeoff again on the second attempt and returned to the gate. No impact on operations.

An Air Canada Airbus BD-500-1A11 (ACA480) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) conducted a go-around due to a wind shear warning on final for Runway 24L. No impact on operations.

An Air Canada Rouge Airbus A319-112 (C-GITP/ROU1964) from Montréal/Pierre Elliott Trudeau, QC (CYUL) to Québec/Jean-Lesage, QC (CYQB) was instructed to conduct an overshoot Runway 24 due to an Air Canada Rouge Airbus A319 (ROU1794) from Toronto/Lester B. Pearson, ON (CYYZ) to Quebec City/Jean-Lesage, QC (CYQB) being slow to exit the runway. No other impact on the operation.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3419) from Moncton/Romeo Leblanc, NB (CYQM) to Toronto/Lester B. Pearson, ON (CYYZ) heard an emergency locator transmitter (ELT) at 1730Z at FL200 over Orillia/Matchedash Lake, ON (CPU5). A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3409) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) heard the ELT at the same time at FL220 over Arnprior, ON (CNP3). The Joint Rescue Coordination Centre (JRCC) Trenton confirmed that an accidental ELT activation occurred at Ottawa/Gatineau, QC (CYND). (This record replaces CADORS 2022O0953, which was deleted due to incorrect region)

An Air Canada Airbus BD-500-1A11 (C-GVUH/ACA418) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) on final for Runway 24L received a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) for a Cornwall Aviation Cessna 172N (C-GAIZ) from Cornwall, ON (CYCC) to Cornwall, ON (CYCC), in the Ville-Marie circuit. ACA418 pulled up; no further impact on operations.

A United Airlines Boeing 787-9 (UAL944) from Chicago/O’Hare, IL (KORD) to Frankfurt, Germany (EDDF) declared a medical emergency due to a sick passenger on board and changed its destination from EDDF to Boston/Logan, MA (KBOS). The aircraft had to dump fuel from 2140Z to 2146Z. Impact on operations: a Jazz Bombardier CL-600 2B19 (JZA8497) from Saint John, NB (CYSJ) to Toronto/Lester B. Pearson, ON (CYYZ) and an Air Canada Boeing 777-333ER (ACA840) from Toronto/Lester B. Pearson, ON (CYYZ) to Frankfurt, Germany (EDDF) changed altitudes so that UAL944 could dump fuel.

An Air Canada Airbus BD-500-1A11 (C-GJXV/ACA410) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) initiated a missed approach for Runway 24L due to a wind shear warning. No impact on operations.

Air traffic control (ATC) experienced a loss of communication with a Provincial Airlines Beech 1900D (PVL3032) from Montréal/Saint-Hubert, QC (CYHU) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) that was taking off from Montréal/Saint-Hubert, QC (CYHU) and climbing to 4,000 ft. Several aircraft had to abort their approach for Runway 24L. The following aircraft were delayed: a Chrono Aviation Beech 1900D (NDL901) from Québec/Jean-Lesage, QC (CYQB) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); an I.M.P. Group Limited Bombardier BD-700-1A10 (C-GIIT); an Air Inuit de Havilland DHC-8-301 (AIE803) from Kuujjuarapik, QC (CYGW) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); an Air Canada Airbus A330-300 (ACA306) from Vancouver, BC (CYVR) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); an Air Inuit de Havilland DHC-8-401 (AIE833) from Québec/Jean-Lesage, QC (CYQB) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); a Boeing 737 MAX 8 (WJA272) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); a de Havilland DHC-8-402 (POE488) from Halifax/Stanfield, NS (CYHZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); and an American, corporately registered Embraer EMB-545 (N158NS).

During regular inspection of Runway 06R, foreign debris was found. A Skycare Air Ambulance Israel 1124A (C-GIAW) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) was instructed to conduct a go-around.

A Nolinor Aviation Boeing 737-33A (C-GNLQ/NRL58) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Mirabel, QC (CYMX) was conducting an approach for Runaway 24 and was instructed to pull up because the tower had not been notified by the Airport Authority that it had permission to land. A NOTAM requiring aircraft to obtain a 30-minute "prior permission required" (PPR) was in effect. NRL58 cancelled instruments, flew a VFR circuit, and returned to land 8 minutes later.

An Air Canada Airbus A330-343 (C-GHKC/ACA811) from Lisbon/Humberto Delgado, Portugal (LPPT) to Toronto/Lester B. Pearson, ON (CYYZ) declared "PAN PAN" due to a hydraulic issue. ACA811 requested to be diverted to Montréal/Pierre-Elliott-Trudeau, QC (CYUL). It landed at 2232Z and reported an oil leak from the no. 2 engine. The runway was cleaned and inspected and reopened at 2254Z. Impact: Delays for seven departing aircraft and nine incoming aircraft.

Information received from the Boston air route traffic control centre (ARTCC). A WestJet Boeing 737-800 (WJA272) from Toronto/Lester B. Pearson, ON (CYYZ) to Halifax/Stanfield, NS (CYHZ) asked to be rerouted to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) due to a pressurization issue. No emergency declared. WJA272 landed without incident. No impact on operations.

An Air Canada Airbus BD-500-1A11 (ACA2335) from Montreal/Mirabel, QC (CYMX) to Toronto/Lester B. Pearson, ON (CYYZ) declared an emergency at 1211Z due to a non-normal rotation, where the crew mentioned feeling the aircraft pull to the right. Emergency vehicles were deployed. The aircraft landed at 1634Z and remained on the runway for an inspection by the Aircraft Rescue and Fire Fighting (ARFF) unit. Operational impact: minor delays for two VFR aircraft.

Loss of separation between a WestJet Boeing 737-7CT (C-GWSQ/WJA579) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) and an Air Canada Airbus BD-500-1A11 (C-GVDQ/ACA401) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) when WJA579 did not turn as instructed by the air traffic control (ATC) unit. The pilot did not read back instructions to turn.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3409) from Québec/Jean-Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) was observed climbing the runway centreline when the standard instrument departure (SID) calls for a turn on a heading of 273 leaving 640 ft. No impact on operations.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3534) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) taxied southward on Taxiway LC instead of turning on Taxiway J. No impact on operations.

An Air Canada Rouge Airbus A320-214 (ROU1502) from Toronto/Lester B. Pearson, ON (CYYZ) to Moncton/Roméo-LeBlanc, NB (CYQM) declared an emergency due to a hydraulic issue. The aircraft asked to return to CYYZ and did not request assistance. No impact on operations.

Incorrect altimeter setting relayed to an Air Canada Airbus BD-500-1A11 (ACA782) from Los Angeles, CA (KLAX) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL); a WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3530) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL); and a Global Flight Inc. Bombardier BD-700-1A10 (N765CS) from Los Cabos, Mexico (MMSD) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL), all inbound to CYUL. No impact.

A WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3520) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) on final for Runway 06R reported that it had to pull up due to a faulty landing gear indication. WEN3520 returned to land without incident. No emergency was declared and there was no impact on operations.

During its departure from Runway 06R, an Air Canada Airbus BD-500-1A11(ACA421) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) reported foreign object debris (FOD) on the runway.

While in flight, a Jazz Bombardier CL-600-2D24 (C-GPJZ/JZA8227) from Quebec/Jean-Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) reported a change of destination to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) due to a flaps issue. The aircraft did not declare an emergency or request assistance. No impact on operations.

A Swoop Inc. Boeing 737-8CT (C-FYBK/WSW418) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Kelowna, BC (CYLW) reported a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) on approach 14NM northeast of CYLW with a Southern Interior Flight Centre Cessna 172S (C-GSFR) from Kelowna, BC (CYLW) to Kelowna, BC (CYLW) outside the control zone. Traffic passed both ways.

A Chartright Air Bombardier BD-100-1A10 (HRT451) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) reported a bird strike on takeoff from Runway 24L. A runway inspection was conducted and no bird remains were found. Impact on operations: a Royal Air Maroc Boeing 787-9 (RAM208) from Casablanca, Morocco (GMMN) to Montreal/Pierre Elliott Trudeau, QC (CYUL); a Porter Airlines de Havilland DHC-8-402 (POE483) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL); and a Jazz Bombardier CL-600-2D24 (JZA8105) from Halifax/Stanfield, NS (CYHZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) were delayed by approximately 10 minutes due to the inspection.

After a runway change at Montreal/Pierre-Elliott-Trudeau, QC (CYUL), a Jazz Embraer ERJ 170-200 SU (C-FEKI/JZA8607) from Boston, MA (KBOS) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) was cleared for the instrument landing system (ILS) approach for Runway 24L, and had initiated its turn on final, when a Jazz Bombardier CL-600-2D24 (JZA8103) from Halifax/Stanfield, NS (CYHZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) and an Air Canada Airbus BD-500-1A11 (ACA411) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, ON (CYYZ) were in conflict. The aircraft was instructed to continue on its current route. No loss of separation. No other impact on operations.

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GJEN/WEN3524) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) initiated a rejected approach because it was too heavy to land. It landed at 1907Z. No impact.

An Air Canada Airbus BD-500-1A11 (C-GMZY/ACA422) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) was instructed to execute a missed approach because a Porter Airlines Inc. de Havilland DHC-8-402 (C-GLQV/POE483) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) was still on the runway.

A TAP Air Portugal Airbus A321-271NX (CSTXB/TAP259) from Lisbon, Portugal (LPPT) to Toronto/Lester B. Pearson, ON (CYYZ) was observed off course for the cleared route and flying POLTY LETAK. The route known by the air traffic service (ATS) unit was POLTY PERGI. No operational impact.

A True North Airways Pilatus PC-12/47 (C-FIPN) from Montreal/Mirabel, QC (CYMX) to Toronto/Lester B. Pearson, ON (CYYZ) was cleared direct SAVEX (right turn to heading 270), then was observed on a left turn to heading 180. No impact.

A Jazz Bombardier CL-600-2D24 (JZA8226) from Toronto/Lester B. Pearson, ON (CYYZ) to Quebec/Jean Lesage, QC (CYQB) initiated a pull-up for Runway 06 due to an unstable approach. JZA8226 conducted a second approach and landed without incident. No impact.

Upon departure, a Fox Flight Inc. Learjet 45 (C-FEMF) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Toronto/Lester B. Pearson, QC (CYYZ), experienced navigation issues. A few minutes later, C-FEMF reported pressurization issues and asked to return to CYUL. The aircraft declared "PAN PAN" and landed without incident at 0020Z. The National Operations Centre (NOC) was notified.

A Jazz Bombardier CL-600-2D24 (C-GJFZ/JZA8227) from Quebec/Jean-Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) aborted its takeoff for an unspecified reason. The aircraft returned to the gate. No impact.

Turning onto Taxiway H, an Air Canada Boeing 777-333ER (C-FIVX/ACA2335) from Montreal/Mirabel, QC (CYMX) to Toronto/Lester B. Pearson, ON (CYYZ) rolled over a yellow taxiway light. No impact on operations.