The separation between two aircraft departing from Runway 06L was not maintained. The minimum separation reached between a Jazz de Havilland DHC-8-311 (C-FACT/JZA8753) from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Val-dOr, QC (CYVO) and a Porter Airlines de Havilland DHC-8-402 (C-GLQM/POE480) from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) was 2.4 NM and 600 ft. The required separation is 3 NM or 1 000 ft.

A de Havilland DHC-8-402 (JZA7958) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) landing on Runway 24L reported what was probably a bird strike. Two snow buntings were found during the inspection.

Numerous aircraft had to overshoot due to high winds and gusts, including a Jazz de Havilland DHC-8-402 (C-GGOY/JZA7954) on a flight from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) that conducted an overshoot at 1437Z.

At departure from Runway 24R, a Jazz de Havilland DHC-8-402 (JZA7961) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) reported a possible bird strike. Nothing was found during the inspection.

A Jazz de Havilland DHC-8-402 (JZA87961) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) heading west at 11 000 ft indicated that it had picked up the loud signal of an emergency locator transmitter (ELT), which was then lost at 1950Z. The Joint Rescue Coordination Centre (JRCC) in Trenton was notified. Identified source: a PPD Group Rockwell 115 (C-GMQQ), which was on the ground and safe. Set off accidentally.

An Orizon Aviation Quebec Inc. Diamond DA 20-C1 (C-GIIL) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Billy Bishop, ON (CYTZ) entered the Ottawa/Gatineau, QC (CYND) zone 5 NM to the east without contacting the flight service station (FSS). The aircraft was established on final for Runway 27. The runway in service was 09 and a privately registered Zenair Zenith CH200 from Ottawa/Gatineau, QC (CYND) to Ottawa/Gatineau, QC (CYND) was on the downwind for Runway 09 to conduct a touch-and-go. The downwind traffic was notified of the traffic that had not established communication, and it decided to extend its downwind. C-GIIL contacted the FSS 1 NM on final for Runway 27.

A Porter Airlines de Havilland DHC-8-402 (POE483) on a flight from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) was instructed to conduct a go-around on Runway 06L due to previous traffic, a WestJet Boeing 737-6CT (C-GPWS/WJA592) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL), which was slow in leaving. No impact on operations.

An approach on Runway 06 was rejected by the pilot of a Porter Airlines de Havilland DHC-8-402 (POE513) on a flight from Toronto/Billy Bishop, ON (CYTZ) to Quebec/Jean Lesage Intl, QC (CYQB).

Although it had received and read back clearance for 10 000 ft, a Porter Airlines de Havilland DHC-8-402 (C-GLQZ/POE452) on a flight from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop Toronto City, ON (CYTZ) climbed to 10 800 ft. Air traffic services (ATS) continued the climb from POE452. No impact on operations.

A Jazz de Havilland DHC-8-402 (C-GGCI/JZA7956) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) reported a dead bird on the runway during its landing. Impact: a Sky Regional Embraer ERJ 175 (SKV7593) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Chicago/OHare, IL (KORD) and a Jazz Bombardier CL-600-2D24 (series 900) (JZA8704) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Quebec/Jean Lesage, QC (CYQB) were delayed.

A Porter Airlines de Havilland DHC-8-402 (C-GKQG/POE457) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Halifax/Stanfield, NS (CYHZ) reported foreign object debris (FOD) on Runway 24R. The following departures were delayed: a Porter Airlines de Havilland DHC-8-402 (POE457) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Halifax/Stanfield, NS (CYHZ); an Air Canada Rouge Boeing 767-300 (ROU1565) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Vancouver, BC (CYVR); an Air Inuit de Havilland DHC-8-301 (AIE704) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to La Grande-Rivière, QC (CYGL); an Air Canada Airbus A320 from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Halifax/Stanfield, NS (CYHZ); and a Porter Airlines de Havilland DHC-8-402 (POE458) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ).

En route to Toronto/Billy Bishop, ON (CYTZ), a de Havilland DHC-8-402, operated by Jazz (JZA7971), flying from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) reported an open-door warning and asked to return to CYUL. No emergency was declared. The aircraft landed on Runway 24R at 2108Z. Impact: Runway 06L/24R unavailable until 2116Z due to its inspection.

Because of a possible puncture of a de Havilland DHC-8-402 operated by Jazz (C-GGND/JZA7965) on a flight from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) and on takeoff from Runway 24R, a de Havilland DHC-8-402 operated by WestJet Encore (WEN3526), flying from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) decided to perform a pull-up. No debris was found on the runway. No other impact on operations.

A Jazz de Havilland DHC-8-402 (C-GJZC/JZA7974) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) declared an emergency due to a hydraulic problem. The aircraft landed without incident on Runway 24R at 2331Z. Aircraft Rescue and Fire Fighting (ARFF) services were deployed. Impact: Runway 24R was unavailable between 2331Z and 2335Z, the time required for the inspection.
Update TSB #A19Q0121: C-GJZC, a Jazz Aviation LP DHC-8-400 operating as JZA7974 with 4 crew members and 36 passengers, was conducting an IFR flight from Toronto/Billy Bishop Toronto City Airport, ON, to Montreal/Pierre Elliott Trudeau Intl (CYUL), QC. Shortly before beginning the descent, the flight crew noted a failure in the No. 1 hydraulic system. An emergency was declared and the aircraft landed without flaps on Runway 24R at CYUL. The aircraft was subsequently towed to the passenger bridge.

On approach into CYUL separation was reduced to 2.6NM between a Porter Airlines Inc. de Havilland DHC-8-402 (C-GKQH/POE473) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) and an American, privately registered Mooney M20R from Louisburg/Triangle North, NC (KLHZ) to Montreal/Trudeau, QC (CYUL), as the American aircraft went through the approach course. No other impact on operations.
TSB Update #A19Q0111: C-GKQH, a Porter Airlines de Havilland DHC-8-400, was on instrument flight rules (IFR) flight POE473 from Toronto/Billy Bishop Toronto City, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL). A privately registered Mooney M20R was on an instrument flight rules (IFR) flight from Louisburg/Triangle North Executive, NC (KLHZ) to CYUL. During the approach at CYUL, the Mooney M20R went outside the glide path, thus creating a loss of separation with POE473. The lateral distance was reduced to 2.6 NM, while the standard is 3 NM.

A WestJet Encore Ltd. de Havilland DHC-8-402 (C-GENU/WEN3409) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Pearson, ON (CYYZ) reported experiencing a bird strike on rotation. When the runways were inspected, no carcasses were found. A Porter Airlines de Havilland DHC-8-402 (C-GLQX/POE514) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Billy Bishop, ON (CYTZ) was delayed by 8 minutes.

A Jazz de Havilland DHC-8-402 (JZA7977) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) reported a door-open indication problem and requested a return to CYUL. The aircraft landed at 0103Z. No impact on operations.

A Jazz de Havilland DHC-8-402 (C-GGFJ/JZA7967) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) rejected its takeoff due to a faulty indication. No impact.

The tower instructed a Jazz de Havilland DHC-8-402 (C-GGNY/JZA7954) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) on final for Runway 24L to conduct a go-around due to foreign object debris (FOD) (probably a slab of concrete) on the runway reported by an Endeavor Air Bombardier CL-600-2D24 (series 900) (N326PQ/EDV5466) from New York-LaGuardia, NY (KLGA) to Montreal/Trudeau, QC (CYUL). After the inspection, Runway 24L was back in service at 1435Z. JZA7954 landed on Runway 24L at 1447Z.

A Porter Airlines de Havilland DHC-8-402 (POE480) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) rejected its takeoff due to a faulty indication. The aircraft went back to the gate.

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

A Jazz de Havilland DHC-8-402 (JZA7974) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) advised of a possible gear problem and had to run through some checks before landing. JZA7974 did not declare an emergency and landed safely.

At departure from Runway 24R, a Porter Airlines de Havilland DHC-8-402 (C-FLQY/POE464) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) rejected its takeoff due to a door-open indication. POE464 returned to the gate.

A Jazz de Havilland DHC-8-402 (C-GGOF/JZA7959) from Montreal, QC (CYUL) to Toronto/Billy Bishop Toronto City, QC (CYTZ) received a traffic alert and collision avoidance system (TCAS) advisory concerning a VFR aircraft, code 1200, without mode C squawked. No impact on operations.

A Porter Airlines de Havilland DHC-8-402 (POE479) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) received and read back clearance to descend to 2 000 ft, even though the minimum vectoring altitude (MVA) is 2 500 ft.

A Jazz de Havilland DHC-8-402 (JZA7957) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) received a traffic alert and collision avoidance system (TCAS) advisory upon takeoff from Runway 06R. The aircraft deviated mildly towards the right before resuming its route. No impact on operations.

Air traffic services (ATS) instructed a Jazz Bombardier CL-600-2B19 (C-GQJA/JZA8503), from Fredericton, NB (CYFC) to Montreal/Trudeau, QC (CYUL) to conduct a go-around while the aircraft was approximately 2 1/2 NM on final for Runway 24L. The preceding arrival, a SkyWest Bombardier CL-600-2B19 (N902EV/SKW3130) from Chicago/OHare, IL (KORD) to Montreal/Trudeau, QC (CYUL) had missed exit A4, and a Jazz de Havilland DHC-8-402 (C-GGAH/JZA7959) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) was lined up for departure. JZA8503 landed on Runway 24L at 1534Z.

A de Havilland DHC-8-402 (JZA7970) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) decided to conduct a go-around on final for Runway 24R due to a cockpit indication. The aircraft landed without incident at 2138Z. No impact on operations.

A Jazz de Havilland DHC-8-402 (JZA7966) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) 5 NM on final for Runway 06L reported the presence of a drone on its left. JZA7966 believed that the white drone was at an altitude of approximately 1 000 ft and 1/4 SM north of the runway centreline.

A Sky Regional Airlines Embraer ERJ 170-200 SU (SKV7727) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Dallas/Fort Worth, TX (KDFW), which was on its initial climb to 7 000 ft, went back down to 6 700 ft after having received a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) involving a Porter Airlines de Havilland DHC-8-402 (POE473) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) that was on the downwind leg at 8 000 ft. No impact on operations.

After having landed on Runway 24R, a Porter Airlines de Havilland DHC-8-402 (POE477) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) reported a nose wheel steering problem and that there was most likely a hydraulic fluid leak. The runway was inspected at 2015Z, but nothing was found. Impact on operations: several aircraft were delayed at arrival.

At departure, a Porter Airlines de Havilland DHC-8-402 (POE450) from Montreal, QC (CYUL) to Toronto/Billy Bishop City, ON (CYTZ) reported a faulty gear indication, performed a few checks, then went back to CYUL where it landed on Runway 06L. No impact on operations.

While downwind for Runway 24R, a Jazz de Havilland DHC-8-402 (C-GGDU/JZA7968) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) received and read back the instruction to turn right towards H070. A few moments later, air traffic services (ATS) saw the aircraft turn much further south and immediately ordered it to follow H060 to avoid ending up in conflict with an Air Canada Rouge Airbus A319-114 (C-FYJE/ROU1893) from Providenciales, Turks and Caicos (MBPV) to Montreal/Trudeau, QC (CYUL), which was established on final on Runway 24R. No loss of separation. No impact on operations.

A Porter Airlines de Havilland DHC-8-402 (POE480) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) received and read back clearance to make a turn on a heading of 350 at departure from Runway 06L. POE480 maintained the runway heading instead of turning at departure. No impact on operations.

A Porter Airlines Inc. de Havilland DHC-8-402 (C-GLQF/POE481) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau Int., QC (CYUL) was instructed to maintain a speed of 160 NM up to VOLAX, but it did not follow this instruction. Air traffic control (ATC) had to ask POE481 to conduct a missed approach for Runway 24L. No impact on operations.

An Air Creebec de Havilland DHC-8-102 (C-FCJD/CRQ926) from Rouyn-Noranda, QC (CYUY) to Montreal/Trudeau, QC (CYUL) was instructed to overshoot Runway 24R due to a Porter Airlines de Havilland DHC-8-402 (C-GLQB/POE481) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) on final for Runway 24R, which was in front of CRQ926 and had slowed down more than expected.

A Jazz Bombardier DHC-8-402 (C-GVJZ/JZA7967) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) taxied onto Taxiway ECHO, from the apron, without clearance.

A Porter Airlines de Havilland DHC-8-402 (POE471) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was in a holding pattern at ARVIE and FL200, and at 1912Z, it was cleared for descent. POE471 was seen at FL203 before starting to descend. A WestJet Encore de Havilland DHC-8-402 (WEN3526) from Toronto/Lester B. Pearson, ON (CYYZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was also in the holding pattern at ARVIE and FL200. For a few seconds, separation was reduced to 700 ft and 3,3 NM, where normally, separation must be 1 000 ft or 5 NM.
Update: TSB Report #A19Q0027: C-GLQZ, a Porter Airlines Bombardier DHC-8-400, was on flight POE471 from Toronto/Billy Bishop Toronto City, ON (CYTZ) to Montreal/Pierre Elliott Trudeau Intl, QC (CYUL). During the descent at CYUL, air traffic control (ATC) assigned POE471 to a holding pattern at ARVIE, at FL200. C-GENM, a WestJet Encore Bombardier DHC-8-400, was on flight WEN3526 from Toronto/Lester B. Pearson Intl, ON (CYYZ) to CYUL, and was also in the holding pattern at ARVIE, FL210. When POE471 was cleared to leave the holding pattern, it was seen at FL203, which caused a loss of separation with WEN3526. Separation was reduced to 700 ft vertically and 3.3 NM laterally, while the standard was 1 000 ft or 5 NM.

At departure from Runway 06L, a Porter Airlines de Havilland DHC-8-402 (C-GKQF/POE460) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) was instructed by the tower to contact the terminal area on frequency 124.65, even though the frequency was undergoing maintenance and departures had to be transferred temporarily onto frequency 120.45. Impact on operations: POE460, which was reached on frequency 121.5, was instructed to conduct a 90-degree turn (heading 270) to avoid a possible conflict with a Federal Express Corporation McDonnell Douglas DC-10 (FDX231) from Montreal/Mirabel, QC (CYMX) to Memphis, TN (KMEM), which took off from Runway 06 at CYMX.

A Porter Airlines de Havilland DHC-8-402 (POE450) from Montreal/Trudeau, QC (CYUL) to Toronto/Billy Bishop, ON (CYTZ) declared an emergency at departure from Runway 24L due to a gear problem and requested to return to CYUL. The aircraft landed without incident at 1234Z. No impact on operations.
Update - TSB Report #A19Q0008: C-GKQI, a Porter Airlines Bombardier DHC-8-400, was on instrument flight rules (IFR) flight POE450 from Montreal/Pierre Elliott Trudeau Intl, QC (CYUL) to Toronto/Billy Bishop Toronto City, ON with 4 crew members and 32 passengers on board. While the aircraft was on its initial climb after takeoff from Runway 24L at CYUL, the flight crew received an indication that one of the main landing gear doors was still open. The applicable checklist was followed, and the flight crew declared an emergency before returning and landing at CYUL without any other incidents. No one was injured and the aircraft was not damaged.

A Jazz de Havilland DHC-8-402 (C-GGOY/JZA7954) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Trudeau, QC (CYUL) conducted a go-around, mentioning that it was unstable on approach. No other impact on operations.

During its initial contact, a Jazz de Havilland DHC-8-402 (C-GGAH/JZA8712) from Montreal/Trudeau, QC (CYUL) to Quebec/Jean Lesage, QC (CYQB) indicated that it was descending to 8 000 ft. JZA8712 was seen at 7 600 ft, and air traffic services (ATS) questioned JZA8712, which then went back up to 8 000 ft, while citing a technical problem. Impact on operations: a loss of separation with a Porter Airlines de Havilland DHC-8-402 (C-GLQP/POE514) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Billy Bishop, ON (CYTZ).

A Porter Airlines de Havilland DHC-8-402 (C-GLQH/POE491) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) overshot Runway 24L because the cabin was not ready. No impact on operations.

A Jazz de Havilland DHC-8-402 (JZA7968) from Toronto/Billy Bishop, ON (CYTZ) to Montreal/Pierre Elliott Trudeau, QC (CYUL) hit a snowy owl while landing on Runway 06L. No impact on operations.

An Ornge Global Air Pilatus PC-12/47E (PUL107) on a flight from Thunder Bay, ON (CYQT) to Toronto/Billy Bishop, ON (CYTZ) was inbound to CYTZ on a point-out descending in terminal airspace to 3,000 feet and came into conflict with an arrival to Toronto/Lester B. Pearson Intl, ON (CYYZ). The arrival was a Delta Air Lines Boeing 757-200 (DAL8846) on a flight from Newark Intl, NJ (KEWR) to Toronto/Lester B. Pearson Intl, ON (CYYZ).

A FlyGTA Inc. Cessna 207A (C-GSNU) from Toronto/Billy Bishop, ON (CYTZ) to Toronto/Billy Bishop, ON (CYTZ) was observed entering the Toronto/Oshawa, ON (CYOO) control zone from the southwest at 2,900, approximately following the 401 to 2.5 miles south of the airport. No response on tower frequency. Communication was established on the common area frequency 122.9MHz and the aircraft was instructed to switch to Oshawa tower frequency.

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.

A Porter Airlines de Havilland DHC-8-402 (C-GKQA/POE473) on a flight from Thunder Bay, ON (CYQT) to Toronto/Billy Bishop, ON (CYTZ) reported a passenger requiring medical assistance. Aircraft Rescue and Fire Fighting (ARFF) was advised and responded to the aircraft. ARFF notified emergency medical services (EMS). No impact to operations.

A Porter Airlines de Havilland DHC-8-402 (POE244) from Ottawa/Macdonald-Cartier, ON (CYOW) to Toronto/Billy Bishop, ON (CYTZ) had a nose wheel steering issue after landing and was slow to exit runway. A Porter Airlines de Havilland DHC-8-402 (POE726) from Washington/Dulles, VA (KIAD) to Toronto/Billy Bishop, ON (CYTZ) was instructed to go around and returned for landing without issue.

A Porter Airlines de Havilland DHC-8-402 (POE384) from Chicago/Midway Intl, IL (KMDW) to Toronto/Billy Bishop, ON (CYTZ) hit birds when landing. Birds found on the runway. No damage reported, no operational impact.