Upon approach for Runway 06R of an Air Wisconsin Airlines Bombardier CL-600-2B19 (AWI3942) from Montréal/Pierre-Elliott-Trudeau, QC (CYUL) to Washington/Dulles, WA (KIAD), ground received a call from a vehicle (SUR8906) reporting that a tow bar was underneath the aircraft. The pilot was notified. AWI3942 decided to depart from Runway 06R, but aborted and then performed an aircraft inspection. The tow bar became detached from a vehicle that was towing the aircraft between gates 4 and 15.

An Air Canada Airbus BD-500-1A11 (ACA374) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) was instructed to pull up from Runway 24R because an Air Wisconsin Bombardier CL-600 2B19 (AWI3789) from Washington/Dulles, VA (KIAD) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) was still on the runway after landing.

A Jazz Bombardier CL-600-2D24 (JZA8014) from Ottawa/MacDonald Cartier, ON (CYOW) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) reported a possible bird strike when landing on Runway 24R. Two aircraft, an Air Wisconsin Bombardier CL-600-2B19 (AWI3789) from Washington Dulles, VA (KIAD) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) and a WestJet Encore Ltd. de Havilland DHC-8-402 (WEN3534) from Toronto/Lester B. Pearson, ON (CYYZ) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) refused to land and pulled up. Swallows were dispersed on inspection but no dead birds were found.

After making initial contact with air traffic control (ATC), an American, corporately registered Gulfstream G-IV (N308JW) from London/Stansted, United Kingdom (EGSS) to Washington/Dulles, VA (KIAD) was unreachable. The aircraft crossed into Federal Aviation Administration (FAA) airspace and "no radio" (NORDO) procedures were followed. No impact on operations.

An Air Canada Airbus A330-343 (C-GEFA/ACA819) from Venice, Italy (LIPZ) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) initiated a missed approach to Runway 24L after the threshold. A Jazz Bombardier CL-600-2D24 (C-FJGZ/JZA8967) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Chicago/OHare, IL (KORD) was instructed to line up for Runway 24L. A Jazz Embraer ERJ 170-200 SU (C-FEJL/JZA8726) from Washington/Dulles, VA (KIAD) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) conducted an overshoot as it was impossible for JZA8967 to taxi on the ground because of the wake turbulence of ACA819.

An Air Canada Boeing 737 MAX 8 (C-GEHI/ACA314) from Vancouver, BC (CYVR) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) was instructed to conduct an overshoot Runway 06R as a Jazz Embraer ERJ 170-200 SU (C-FRQN/JZA8724) from Washington/Dulles, VA (KIAD) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) which had just landed, had missed A1 and an Air Transat Airbus A321-271NX (C-GOIO/TSC398) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Punta Cana, Dominican Republic (MDPC) was lined up on the runway. ACA314 landed at 1129Z. No operational impact.

A United Airlines Boeing 767-400 (UAL978) from Washington/Dulles, VA (KIAD) to Edinburgh, United Kingdom (EGPH) had hydraulic issues and requested a clearance to return to KIAD. The aircraft was given clearance. No loss of service.

A Jazz Bombardier CL-600-2B19 (JZA8723) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Washington-Dulles, VA (KIAD) aborted its takeoff from Runway 24L due to an engine indication. No operational impact. JZA8723 returned to the gate.

An I.M.P. Group Ltd. Embraer EMB-505 (C-GRIA) from Washington/Dulles, VA (KIAD) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was cleared for the approach but was seen descending through 2600 feet. The instruction was 3000 feet to intercept and the aircraft descended beneath the glide slope and noise abatement restrictions.

A United Airlines Boeing 767-322 (N646UA/UAL127) from Dublin, Ireland (EIDW) to Washington/Dulles, VA (KIAD) was asked by the company to divert to Newark, NJ (KEWR) for maintenance. No emergency declared or impact on operation.

An Air Wisconsin Airlines Bombardier CL-600-2B19 (N464AW/AWI3789) from Dulles/Washington, VA (KIAD) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) missed Exit A1 and the controller instructed an I.M.P. Group Limited Bombardier CL-600-2B16 (C-GPGD) from Bagotville, QC (CYBG) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to conduct a go-around. C-GPGD landed at 0051Z. No other impact.

A Turkish Airlines Boeing 777-300 (THY7) from Istanbul, Turkey (LTFM) to Washington/Dulles, VA (KIAD) declared a medical emergency due to a sick passenger and immediate clearance to Goose Bay, NL (CYYR). The aircraft was given clearance to CYYR and landed safely at 2305Z. The emergency medical services (EMS) unit was requested on arrival. No impact on operations.
UPDATE: Aviation Incident Report #17562: A passenger on a Turkish Airlines Boeing 777-300 (TCJJU/THY7) from Istanbul, Turkey (LTFM) to Washington/Dulles, VA (KIAD) fell unconscious.

A Delta Air Lines Inc. Boeing 717-200 (DAL2606) from Atlanta/Hartsfield-Jackson, GA (KATL) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) missed Taxiways B1 and B3 due to unfavourable runway conditions. The tower instructed a Gojet Airlines Bombardier CL-600-2C10 (GJS4471) from Washington/Dulles, VA (KIAD) to Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to conduct a go-around.

A GoJet Airlines Bombardier CL-600-2C11 (N533GJ/GJS4505) from Montreal/Pierre-Elliott-Trudeau, QC (CYUL) to Washington/Dulles, VA (KIAD) was instructed to climb to FL230 on initial contact. GJS4505 was observed level at 5,000 ft and seemed to be flying what appeared to be a heading of 230. Air traffic services (ATS) gave new clearance to GJS4505 to fly to FL230. Impact: GJS4505 did not respect noise abatement procedures and turned instead of climbing; no separation impact.

An Aviation Starlink Inc. Learjet 45 (TLK833) from Washington/Dulles, VA (KIAD) to Montreal/Pierre Elliott Trudeau, QC (CYUL) reported being illuminated by a green laser when 5NM final for Runway 24L, at approximately 1600ft. The police were notified. No impact on operations.

An Air Canada Airbus BD-500-1A11 (C-GNBN/ACA1077) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) initiated a missed approach to Runway 24L due to being too high on the approach. ACA1077 landed on Runway 24L at 0414Z without further incident (WOFI). No impact to operations.

An Air Wisconsin Airlines Bombardier CL-600 2B19 (AWI3885) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) was instructed to enter Runway 15L and hold short of Taxiway V. AWI3885 was further instructed to continue all the way to the end and turn left on Taxiway D to DR. AWI3885 turned left on Taxiway V, instead. The aircraft was instructed to stop immediately due to construction, however, construction vehicles moved out of the way so AWI3885 could continue on Taxiways A, D, and DR, to the gate. The tower had requested the airport authority to position cones around the perimeter of the closure, but it was not done until this incident.

A Jazz Embraer ERJ 170-200 SU (C-FEJC/JZA8620) from Toronto/Lester B. Pearson, ON (CYYZ) to Washington/Dulles, VA (KIAD) and an Air Canada Boeing 737 MAX 8 (C-FSEQ/ACA618) from Toronto/Lester B. Pearson, ON (CYYZ) to Halifax/Stanfield, NS (CYHZ) both reported a laser illumination on departure from Runway 06R, turning to a heading of approximately 120 degrees (6.2NM from the threshold of Runway 24L). No operational impact.

An Air Canada Boeing 737 MAX 8 (C-FSOC/ACA192) from Kelowna, BC (CYLW) to Toronto/Lester B. Pearson Intl, ON (CYYZ) reported a bird strike after landing Runway 24L. Several aircraft were instructed to initiate a missed approach to Runway 24L and diverted to Runway 23. The aircraft included an Air Canada Boeing 737 MAX 8 (C-GEIV/ACA1092) from San Diego Intl, CA (KSAN) to Toronto/Lester B. Pearson Intl, ON (CYYZ); a Jazz Embraer ERJ 170-200 SU (C-FEJY/JZA8881) from Newark Intl, NJ (KEWR) to Toronto/Lester B. Pearson Intl, ON (CYYZ); and a Republic Airways Embraer ERJ 170-100 SE (N863RW/RPA3674) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson Intl, ON (CYYZ). Inspection vehicle found 1 Kestrel intact. Minimal impact to operations.

A NetJets Aviation Embraer EMB-505 (N442QS/EJA442) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) conducted a go-around for Runway 05 due to an unstable approach. EJA442 landed on Runway 05 at 2211Z without further incident. No operational impact.

A Republic Airways Embraer ERJ 170-100 SE (N652RW/RPA3674) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) conducted an overshoot for Runway 23 due to an unstable approach.

An Air Canada Airbus A320-211 (C-FPWE/ACA1077) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) was instructed to conduct a go-around for Runway 06R due to traffic on the runway, a GoJet Airlines Bombardier CL-600-2C11 (N579GJ/GJS4165) from Chicago/OHare, IL (KORD) to Toronto/Lester B. Pearson, ON (CYYZ), that was slow to vacate. ACA1077 landed on Runway 06R at 1051Z, without further incident. No operational impact.

A Société Air France Airbus A350-900 (FHTYO/AFR356) from Paris/Charles de Gaulle, France (LFPG) to Toronto/Lester B. Pearson, ON (CYYZ) was instructed to conduct a missed approach to Runway 23 due to an Ethiopian Airlines Group Boeing 777-200 (ETARJ/ETH3697) from Washington-Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) slow to exit at the end of the runway. AFR356 landed on Runway 23 at 2107Z without further incident (WOFI). No impact to operations.

A Republic Airways Embraer ERJ 170-200 SU (RPA3409) from Washington-Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) was overshot by tower due to a Lufthansa German Airlines Boeing 747-400 (DLH471) from Toronto/Lester B. Pearson, ON (CYYZ) to Frankfurt, Germany (EDDF) taxiing past the hold line for the Runway 24L approach. DLH471 was not on any tower frequency until shortly before departure. RPA3409 landed without further incident (WOFI) at 2246Z. No operational impact.

A Jazz Bombardier CL-600-2D24 (C-FDJZ/JZA7605) from Dulles/Washington, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) advised they were in the missed approach for Runway 05 due to an aircraft instrument malfunction. JZA7605 landed on Runway 05 at 1241Z without further incident (WOFI). No impact to operations.

At 1450Z, a United Airlines Boeing 757-224 (N14102/UAL122) from Washington/Dulles, VA (KIAD) to London/Heathrow, United Kingdom (EGLL) reported a medical emergency and requested to divert to St. Johns, NL (CYYT). The flight was re-cleared as requested and landed at 1522Z.

An American, corporately registered Gulfstream GV-SP (N344RS) on a flight from Washington-Dulles, VA (KIAD) reported having a problem with its air conditioning and a pressurization issue. N344RS turned around and diverted to Newark, NJ (KEWR).

A United Airlines Boeing 787-10 (UAL989) from Washington/Dulles, VA (KIAD) to Frankfurt, Germany (EDDF) reported 2 targeted green laser strikes coming from the Sydney/J.A. Douglas McCurdy, NS (CYQY) airport. Cape Breton Regional Police advised.

At 0135Z and in the vicinity of 49N050W, a United Airlines Boeing 767-322 (N666UA/UAL52) from Washington-Dulles, VA (KIAD) to Zürich, Switzerland (LSZH) advised that they were not declaring an emergency, however, there was an issue with the aircraft and they would not be comfortable to cross the North Atlantic. The aircraft requested and was recleared to return to KIAD. No traffic. No impact to operations.

An Air France Boeing 777-300 (AFR055) from Washington-Dulles, VA (KIAD) to Paris/Charles de Gaulle, France (LFPG) reported severe turbulence at FL350. The aircraft moved to FL330, with no reported damage or injuries. No impact to operations. The London (XU) Flight Information Centre (FIC) was notified.

An Egyptair Boeing 787-9 (MSR981) from Cairo, Egypt (HECA) to Washington/Dulles, VA (KIAD) encountered moderate to severe turbulence at FL380. No impact to operations.

Multiples pull-ups on Runway 24R: an Air Canada Airbus BD-500-1A11 (C-GMYU/ACA364) from Kelowna, BC (CYLW) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); a Jazz Bombardier CL-600-2D24 (C-GJNZ/JZA7655) from New York/LaGuardia, NY (KLGA) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); and an Air Wisconsin Airlines Bombardier CL-600-2B19 (N468AW/AWI3789) from Washington/Dulles, VA (KIAD) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) due to wind conditions 250/40G56. (CADORS references 2021Q3605 and 2021Q3606)

Multiple overshoots conducted Runway 24R: Air Canada Airbus BD-500-1A11 (C-GMYU/ACA364), from Kelowna, BC (CYLW) to Montréal/Pierre Elliott Trudeau, QC (CYUL); Jazz Bombardier CL-600-2D24 (C-GJNZ/JZA7655) from New York/LaGuardia, NY (KLGA) to Montréal/Pierre Elliott Trudeau, QC (CYUL) ; and an Air Wisconsin Airlines Bombardier CL-600-2B19 (N468AW/AWI3789) from Washington/Dulles, VA (KIAD) to Montréal/Pierre Elliott Trudeau, QC (CYUL) due to wind conditions 250/40G56. (Reference CADORS 2021Q3605 and 2021Q3606)

Multiple pull-ups on Runway 24R: An Air Canada Airbus BD-500-1A11(C-GMYU/ACA364) from Kelowna, BC (CYLW) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); a Jazz Bombardier CL-600-2D24 (C-GJNZ/JZA7655) from New York/LaGuardia, NY (KLGA) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL); and an Air Wisconsin Airlines Bombardier CL-600-2B19 (N468AW/AWI3789) from Washington/Dulles, VA (KIAD) to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) due to wind conditions 250/40G56. (CADORS references 2021Q3605 and 2021Q3606)

Airline filed flight plans, including one for a United Airlines Boeing 787-10 (UAL951) from Brussels, Belgium (EBBR) to Washington/Dulles, VA (KIAD) too close to restricted military airspace CYR666. No impact to operations.

A Lufthansa German Airlines Airbus A330-300 (DLH419) from Washington-Dulles, VA (KIAD) to Frankfurt, Germany (EDDF) diverted to Montréal/Pierre-Elliott-Trudeau, QC (CYUL) due to a disruptive passenger. The airport duty manager (ADM), police and ambulance were notified.

A VFR aircraft, which was not in communication with air traffic control (ATC), flew between 2500ft and 4000ft in the final approach zone for Runways 06L and 06R at Montreal/Pierre Elliott Trudeau, QC (CYUL). Impact: a Jazz Embraer ERJ 170-200 SU (JZA7133) from Chicago/OHare, IL (KORD) to Montreal/Pierre Elliott Trudeau, QC (CYUL); a Jazz Embraer ERJ 170-200 SU (JZA7596) from Chicago/OHare, IL (KORD) to Montreal/Pierre Elliott Trudeau, QC (CYUL); a Cameron Air Service Pilatus PC-12/47E (C-GECT) from Toronto/Billy Bishop, ON (CYTZ), to Montreal/Pierre Elliott Trudeau, QC (CYUL); and an Air Wisconsin Airlines Bombardier CL-600-2B19 (AWI931) from Washington-Dulles, VA (KIAD) to Montreal/Pierre Elliott Trudeau, QC (CYUL) had to be guided to avoid conflict with the VFR aircraft.

The following aircraft filed flight plans which infringed upon restricted airspace CYR666: A United Airlines Boeing 787-8 (UAL988) from Frankfurt, Germany (EDDF) to Washington Dulles, VA (KIAD); a Global Jet Luxembourg Gulfstream G650 (SVW44LF) from Milan Linate, Italy (LIML) to Newark, NJ (KEWR); a United Airlines Boeing 787-8 (UAL107) from Munich, Germany (EDDM) to Washington Dulles, VA (KIAD); a United Airlines Boeing 767-300 (UAL135) from Zurich, Switzerland (LSZH) to Newark, NJ (KEWR); a United Airlines Boeing 787-10 (UAL2800) from Frankfurt, Germany (EDDF) to Atlanta/Hartsfield–Jackson, GA (KATL); a United Airlines Boeing 777-300 (UAL15) from London/Heathrow, United Kingdom (EGLL) to Newark, NJ (KEWR); an Air Canada Boeing 787-9 (ACA845) from Frankfurt, Germany (EDDF) to Montreal/Pierre Elliott Trudeau, QC (CYUL); a United Airlines Boeing 767-300 (UAL53) from Zurich, Switzerland (LSZH) to Washington Dulles, VA (KIAD); and a Qatar Airways Boeing 777-300 (QTR7HK) from Doha/Hamad, Qatar (OTHH) to New York/John F. Kennedy, NY (KJFK).

An Icelandair Boeing 757-200 (ICEB2) from Washington Dulles, VA (KIAD) to Reykjavik/Keflavik, Iceland (BIKF) was observed off of the cleared route and proceeding towards YBC. The route known to the air traffic service (ATS) unit was YBG. No impact on operations.

A Saudi Arabian Airlines Corporation Boeing 777-300 (HZAK42/SVA035) from Jeddah, Saudi Arabia (OEJN) to Washington-Dulles, VA (KIAD) was observed to be off course of the cleared route and proceeding direct YRI SYR. The route known to the air traffic service (ATS) unit was YRI KB78A EMI. No impact on operations.

Delayed entry as a result of NAV CANADA safety and evaluation quality assurance (QA) review: A Government of Canada, Department of National Defence McDonnell Douglas F-18 (VIMY11) from Bagotville, QC (CYBG) to Greenwood, NS (CYZX) lost communication with the Canadian Air Defence Sector (CADS) while following the "scramble, intercept and recovery" (SIR) procedure. A Turkish Airlines Boeing 777-300 (THY7) from Istanbul, Turkey (LTFM) to Washington-Dulles, VA (KIAD) was vectored to maintain separation. Separation was not lost. No impact to operations.

A Porter Airlines de Havilland DHC-8-402 (POE727) from Toronto/Billy Bishop, ON (CYTZ) to Washington/Dulles, VA (KIAD) aborted its take-off. No reason given, no operational impact. The aircraft departed without further issues at 2337Z.

A Jazz Bombardier CL600 2D24 (JZA7607) from Washington/Dulles, WA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) encountered wake turbulence upon joining downwind for Runway 24R behind a WestJet Boeing 787-9 (WJA714) from Vancouver, BC (CYVR) to Toronto/Lester B. Pearson, ON (CYYZ). No further impact and landed without issues.

A Jazz Embraer ERJ 170-200 SU (JZA7494) from Atlanta, GA (KATL) to Toronto/Lester B. Pearson, ON (CYYZ) was instructed to conducted an overshoot for Runway 05 due to landing traffic, a Jazz Bombardier CL-600-2D24 (JZA7607) from Washington-Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ), still being on the runway. JZA7494 landed without further incident (WOFI) at 0109Z.

Two IFR arrivals were in incorrect order in the Extended Computer Display System (EXCDS) pending by 1919Z for a Porter Airlines de Havilland DHC-8-402 (POE130) from Newark, NJ (KEWR) to Toronto/Billy Bishop, ON (CYTZ) and, 1922Z for a Porter Airlines de Havilland DHC-8-402 (POE720A) from Washington/Dulles, VA (KIAD) to Toronto/Billy Bishop, ON (CYTZ). This a known EXCDS different adaptation.

At Toronto/Lester B. Pearson, ON (CYYZ), 5 separate Bombardier (CRJ) aircraft experienced "miscapture" events, between 1132Z and 1727Z, on approach for Runway 24L, between 9NM and 15NM from the distance measuring equipment (DME). The aircraft were: a PSA Airlines Bombardier CL-600-2D24 (JIA5020) from Charlotte, NC (KCLT) to Toronto/Lester B. Pearson, ON (CYYZ); a Jazz Bombardier CL-600-2B19 (JZA8916) from Detroit/Wayne County, MI (KDTW) to Toronto/Lester B. Pearson, ON (CYYZ); a Jazz Bombardier CL-600-2D24 (JZA7677) from Boston, MA (KBOS) to Toronto/Lester B. Pearson, ON (CYYZ); an Endeavor Air Bombardier CL-600-2D24 (EDV4942) from New York/LaGuardia, NY (KLGA) to Toronto/Lester B. Pearson, ON (CYYZ); and a Jazz Bombardier CL-600-2D24 (JZA7705) from Washington-Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ). No operational impact.

A Turkish Airlines Boeing 777-300 (TCJJK/THY17W) from Istanbul, Turkey (LTFM) to Toronto/Lester B. Pearson, ON (CYYZ) was instructed to conduct a go-around for Runway 23 due to traffic on the runway, a CommutAir/United Express Embraer EMB-145XR (N12136/UCA4356) from Toronto/Lester B. Pearson, ON (CYYZ) to Washington-Dulles, VA (KIAD), that was slow to depart. THY17W landed on Runway 23 at 2306Z without further incident. No operational impact.

A Porter Airlines de Havilland DHC-8-402 (POE720) from Washington-Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ0 had an incorrect arrival sequence location on the Extended Computer Display System (EXCDS).

Inbound IFR strips did not update for an ALCI Aviation Ltd. Beech C90 (C-GTGV) from Buffalo, NY (KBUF) to Toronto/Billy Bishop, ON (CYTZ) and a Porter Airlines de Havilland DHC-8-402 (POE726) from Washington-Dulles, VA (KIAD) to Toronto/Billy Bishop, ON (CYTZ).

An Air Wisconsin Airlines Bombardier CL-600-2B19 (N465AW/AWI3851) from Washington/Dulles, VA (KIAD) to Toronto/Lester B. Pearson, ON (CYYZ) conducted a go-around for Runway 24L due to an unstable approach. AWI3851 landed on Runway 24L at 2357Z, without further incident. No operational impact.