March 18, 2020

Incident at 12NM MANIWAKI QC (YMW) NDB

A WestJet Boeing 737-7CT (C-FWSF/WJA214) from Calgary, AB (CYYC) to Montreal/Pierre Elliott Trudeau, QC (CYUL) was cleared to FL310 with a correct read back. WJA214 was informed of traffic at FL300. WJA214 reported having the traffic in sight. At FL314, with a descent rate of around 2900/minute, WJA214 advised air traffic control (ATC) of a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) and climbed a few hundred feet. The other aircraft in the vicinity was a Japan Airlines Boeing 787-9 (JA865J/JAL7) from Boston, MA (KBOS) to Tokyo/Narita Intl, Japan (RJAA). After crossing traffic, WJA214 was observed descending below FL310. No impact.

January 23, 2020

Incident at 30NM ST-JEAN QC VOR/DME (YJN) (Communication navigation surveillance/air traffic system)

An American registered Learjet 35A (N244LJ) from Page Field, FL (KFMY) to Quebec/Jean Lesage, QC (CYQB) was cleared to descend to FL320 but read back FL230. This readback error was not corrected by air traffic services (ATS). Impact: separation with a Jazz Bombardier CL-600-2D24 (C-FJZD/JZA8630) from Ottawa/Macdonald-Cartier, ON (CYOW) to Halifax/Stanfield, NS (CYHZ) at FL310 was not maintained. No other impact on operations.

March 5, 2020

Incident at In the vicinity of: AXXIS intersection

A Jazz Bombardier CL-600-2B19 (JZA8936) from Columbus, OH (KCMH) to Toronto/Lester B. Pearson, ON (CYYZ) reported hearing an emergency locator transmitter (ELT) at FL310 near the vicinity of AXXIS. The Joint Rescue Coordination Centre (JRCC) Trenton was notified. No other reports from other aircraft. No impact to operations.

February 13, 2020

Incident at 4525N / 06220W

Severe turbulence reported at FL310 by an Aer Lingus Ltd. Airbus A330-300 (EIN104) from New York/John F. Kennedy, NY (KJFK) to Dublin, Ireland (EIDW). Aircraft declared "mayday" and executed an immediate descent to FL290. No injuries or damage. No impact on operations. National Operations Centre (NOC) advised.
Update TSB Report #A20A0008: EI-GAJ an Airbus 330-300 aircraft operated by Aer Lingus was conducting flight EIN104 from John F Kennedy (KJFK) airport, New York, to Dublin airport (EIDW), Ireland. While in cruise at FL310 and approximately 50 NM NE of Halifax, Nova Scotia, the aircraft encountered severe turbulence. The crew declared a MAYDAY and immediately began a descent to FL290. There were no injuries to the crew or passengers nor damage to the aircraft. The aircraft continued to destination.

February 8, 2020

Incident at 5212N / 05247W (Weather - clear air turbulence (CAT)/turbulence)

A Condor Flugdienst GMBH Airbus A330-200 (CFG115) from Cancun, Mexico (MMUN) to Frankfurt, Germany (EDDF) encountered severe turbulence and descended from FL330 to FL310 without clearance.

June 10, 2019

Incident at 15NM ST-JEAN QC VOR/DME (YJN) (ELT)

The loud and clear signal of an emergency locator transmitter (ELT) was heard between Saint-Jean-sur-Richelieu, QC (YJN) and Sherbrooke, QC (YSC), and between FL260 and FL310. Source unknown. Joint Rescue Coordination Centre (JRCC) Trenton was notified.

April 23, 2019

Incident at 5010N / 06200W

A Qatar Airways Boeing 777-300 (QTR726) from Chicago, IL (KORD) to Doha, Qatar (OTHH) reported moderate to severe turbulence at FL310. Requested climb to FL320. Halifax (HZ) flight information centre (FIC) advised. No impact on the operation.

April 5, 2019

Incident at 4710N / 07615W

The pilot of a Nolinor Aviation Boeing 737-2B6C (C-GNLN/NRL943) from Val-dOr, QC (CYVO) to Montreal/Mirabel, QC (CYMX) received and read back clearance for FL310. It then deviated from its altitude up to FL317. After it had been questioned by air traffic services (ATS), NRL943 descended to FL310. No impact on operations.

July 27, 2019

Incident at 40NM Kelowna (CYLW)

An Image Air Charter Ltd Cessna 525C (C-GNTL) from Kelowna, BC (CYLW) to Calgary, AB (CYYC) departed CYLW, and was cleared to and readback FL250. Climbing through FL250, C-GNTL asked for confirmation of FL280 cleared altitude. C-GNTL was re-cleared to FL310. No operational impact.

December 24, 2019

Incident at 22NM TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

A Pacific Coast Jet Cessna 750 (PXT750) on a flight from Eagle County Regional, CO (KEGE) to Rochester Intl, NY (KROC) reported a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) to climb while in descent to FL310. Traffic, a Federal Express Corporation Boeing 757-200 (FDX3052) on a flight from Newark Intl, NJ (KEWR) to Seattle/Tacoma Intl, WA (KSEA) was level at FL300.

October 12, 2019

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

An Air Canada Airbus A321-211 (C-GITU/ACA136) enroute from Calgary Intl, AB (CYYC) to Toronto/Lester B. Pearson Intl, ON (CYYZ) was instructed by Cleveland air route traffic control centre (ARTCC) to descend to FL310 at BBOXX and contact Toronto. ACA136 contacted Toronto 30NM West of BBOXX at FL330 and did not initiate a descent. No operational impact. ACA136 reported altitude deviation through their reporting system.

September 23, 2019

Incident at 152NM TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

An Air Canada Rouge Airbus A320-214 (C-GFCI/ROU1791) from Quebec/Jean Lesage, QC (CYQB) to Toronto/Lester B. Pearson, ON (CYYZ) reported a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) descending to cleared altitude FL310. A Jazz Bombardier CL-600-2D24 (SERIES 900) (C-FRJA/JZA8035) from Ottawa/Macdonald-Cartier, ON (CYOW) to Toronto/Lester B. Pearson, ON (CYYZ) at FL300 in the vicinity. Traffic had been passed. No impact to operations.

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).

June 24, 2019

Incident at 132NM TORONTO ON VOR/DME (YYZ)

An Envoy Air Inc. Embraer EMB-170 (ENY3526) from Chicago/OHare, IL (KORD) to Toronto/Pearson, IL (CYYZ) was given an updated clearance on initial contact to fly the NUBER4 standard terminal arrival (STAR) (the flight had originally filed the NAKBO4 STAR). Approximately 20NM later, ENY3526 began an unauthorized descent from FL310. Controller noticed the deviation and re-cleared the flight. No operational impact, no loss of separation.

Incident at 130NM TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

An Envoy Air Inc. Embraer EMB-170 (N249NN/ENY3526), from Chicago/OHare, IL (KORD) to Toronto/Pearson, ON (CYYZ), was re-cleared on initial contact to fly the NUBER4 standard terminal arrival (STAR). The flight had originally filed the NAKBO4 STAR. Approximately 20NM later, the flight began an unauthorized descent from FL310. Controller noticed the deviation and re-cleared the flight. No loss of separation, no operational impact.

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 14, 2019

Incident at 45NM TORONTO / LESTER B. PEARSON INTL ON (CYYZ)

A WestJet Boeing 737 600 (WJA475) from Toronto/Lester B. Pearson, ON (CYYZ) to Winnipeg/James Armstrong Richardson, MB (CYWG) reported a traffic alert and collision avoidance system (TCAS) resolution advisory (RA) while climbing to FL310. Crossing traffic in vicinity was a Sky Regional Airlines Embraer ERJ 170-200 (SKV7595) from Montreal/Pierre Elliott Trudeau, QC (CYUL) to Chicago/OHare, IL (KORD) at FL320. The traffic was passed. No operational impact.

March 17, 2019

Incident at 30NM N DARID intersection

An Air Canada Rouge Airbus A319 (ROU1694) from Kelowna, BC (CYLW) to Toronto/Pearson, ON (CYYZ) was instructed to cross 30NM North of DARID at FL310 or below. The aircraft was observed crossing the restriction at FL321.

December 6, 2019

Incident at 45NM W Jacksonville FL (KJAX)

TSB Report #A19F0310: C-FYJE, an Air Canada Airbus 319-100 operated by Air Canada Rouge, was conducting flight ROU1735 from Lima/Jorge Chávez Intl. (SPJC), Peru to Toronto/Lester B. Pearson Intl. (CYYZ), ON. During cruise at FL350, 45nm W of Jacksonville Intl. (KJAX) FL, the flight encountered turbulence and the flight crew noted the Left Hand (LH) engine N1 decreased. The flight crew requested a lower altitude in search of smoother air. The flight leveled of at FL310 and the LH engine resumed normal operation for the remainder of the flight. Maintenance inspected the engine and found the LH engine HMU (hydro mechanical unit) faulty. Replacement of the HMU took place and the aircraft was returned to service.

December 19, 2019

Incident at 20NM ROCKY MOUNTAIN HOUSE AB (YRM) VOR/DME

The pilot of a Horizon Air Industries Embraer ERJ 170-200 SU (QXE2535) on a flight from Edmonton Intl, AB (CYEG) to Seattle/Tacoma Intl, WA (KSEA) reported a computer error that showed fluctuating air pressure. The aircraft was climbing through FL310 to FL360. The aircraft requested descent to FL300. Once the aircraft levelled at FL300, the pilot reported that the indicators returned to normal. No impact to operations.

November 5, 2019

Incident at 6650N / 10845W

A Summit Air Ltd. BAE Systems (Operations) Limit RJ85 (C-FLRJ/SU8533) from Hope Bay, NU (CHB3) to Yellowknife, NT (CYZF) reported an issue with its flaps and requested a descent to 14 000 feet but subsequently levelled at FL280 instead. No emergency declared. No impact to the operation.
UPDATE from Aircraft Maintenance & Manufacturing: A Civil Aviation Safety Inspector (CASI) looked into this occurrence. After departure from Hope Bay, NU, while climbing through FL310, the flight crew noted that the flap indicator had changed from 0 to 8 degrees down, but there was no change in flight performance to indicate that the flaps had physically moved. To perform the Quick Reference Handbook (QRH) checklist for this possible fault the aircraft descended and slowed to flap extended speed. Moments after completing the checklist the flap indicator moved back to 0. The flight continued to Yellowknife, NT, where on approach the flaps and indicator operated normally and the aircraft landed without further incident. Company maintenance inspected the aircraft and could not find any fault during the testing of the system, the aircraft was returned to service and there have been no further incidents.

October 1, 2019

Incident at 30NM SASKATOON / JOHN G. DIEFENBAKER INTL SK (CYXE) (Aerodrome, runway or taxiway shutdown)

On initial descent to Saskatoon/John G. Diefenbaker Intl, SK (CYXE), a SkyWest Airlines Embraer ERJ 170-200LR (SKW4661) on a flight from Minneapolis/St. Paul Intl, MN (KMSP) to Saskatoon/John G. Diefenbaker Intl, SK (CYXE) advised they needed to figure out an issue and requested a hold. The pilot subsequently requested a diversion to Minot Intl, ND (KMOT) as they were unable to land in CYXE due to Runway 09/27 being closed. Clearance was issued and read back by pilot to KMOT at FL310. SKW4661 was then observed on radar to descend to FL300. No impact to operations.

June 2, 2019

Incident at 100NM WINNIPEG / JAMES ARMSTRONG RICHARDSON INTL MB (CYWG)

A First Air Boeing 737-406 (C-FFNE/FAB702) from Winnipeg, MB (CYWG) to Rankin Inlet, NU (CYRT), declared MAYDAY due to loss of cabin pressure and initiated an emergency descent. FAB702 returned to CYWG and landed safely without further incident. No other impact to operations.
Update TSB #A19C0057: C-FFNE, a Boeing 737-400 aircraft operated by Bradley Air Services (dba First Air), was conducting flight FAB702 from Winnipeg/James Armstrong Richardson Intl (CYWG), MB to Rankin Inlet (CYRT), NU with 4 crew members and 50 passengers on board. During the climb after the departure from CYWG, the flight crew noticed that the number 1 bleed air valve would not activate, and that the associated circuit breaker had popped. The circuit breaker was reset, however it popped again. Following consultation with the operator’s maintenance, the flight crew decided to return to CYWG. During the return, the flight crew noticed that the cabin altitude had increased to 11 000 feet. The QRH was executed, and an emergency descent was initiated from FL310. A MAYDAY was declared, and an overweight landing was completed without further incident at CYWG.

August 17, 2019

Incident at In the vicinity of: MONCTON CENTRE / ACC DE MONCTON

A Qatar Airways aircraft (QTR708) reported moderate to severe turbulence at FL310. The aircraft climbed to FL320 and reported that it was a good ride. The Halifax (YHZ) Flight Information Centre (FIC) was advised. There was no impact on operations, safety was not jeopardized, and there were no injuries.

June 24, 2019

Incident at 80NM YARMOUTH NS VOR/DME (YQI)

A Kuwait Airways Boeing 777-300 (KAC118) reported severe turbulence at FL310 and climbed to FL330. Reported to Flight Information Centre (FIC).

December 29, 2019

Incident at NEEKO Intersection

A Qatar Airways Boeing 777-300 Series (A7BEM/QTR744) from Boston, MA (KBOS) to Doha, Qatar (OTHH) at the oceanic entry point, NEEKO, climbed from FL310 to FL330 without a clearance.

May 30, 2019

Incident at 4256N / 06443W

A Delta Air Lines Boeing 777-233LR (N860DA/DAL84) from Atlanta, GA (KATL) to Paris, France (LFPG) reported continuous moderate to severe turbulence. The aircraft descended from FL310 to FL290.

April 4, 2019

Incident at 5232N / 06307W

A United Airlines Boeing 777-300 (UAL179D) from Newark, NJ (KEWR) to Hong Kong Intl, Hong Kong (VHHH) reported severe turbulence at FL330. The aircraft was given descent clearance to FL310. No impact on operations.

November 28, 2018

Incident at 4530N / 07537W

A Lufthansa Boeing 747-400 (DABVM/DLH471) from Toronto/Lester B. Pearson Intl, ON (CYYZ) to Frankfurt, Germany (EDDF) requested to return to CYYZ due to a technical issue, and requested to dump fuel. The aircraft dumped fuel starting at 0014Z, at FL310 on a heading of 265 degrees. The aircraft requested to descend during fuel dump. Fuel dump was completed at 0033Z at FL230. No emergency was declared. DLH471 landed at CYYZ at 0052Z without further incident.

August 9, 2018

Incident at 23NM SHERBROOKE QC VOR/DME (YSC)

At 1953Z, a Dassault Falcon 2000EX (C-GOHB) operated by Aviation Starlink, Toronto/Lester B. Pearson Intl (CYYZ), ON, to Abu Dhabi (OMAA), United Arab Emirates, reported, at FL322, that it had received a traffic alert and collision-avoidance system (TCAS RA) resolution advisory due to a Boeing 777 Series 300 operated by Etihad Airways P.J.S.C. (ETD140), from Port Hawkesbury (CYPD), NS, to Montréal/Pierre-Elliott-Trudeau Intl (CYUL), QC, which was at FL310. No impact on operations.

June 6, 2018

Incident at 65NM BAGOTVILLE QC (CYBG)

After having been cleared to climb to FL400, a Government of Canada Department of National Defence McDonnell Douglas CF 18 Hornet (ALUT56) from Bagotville, QC (CYBG) to Bagotville, QC (CYBG) rejected its climb to FL380 and started descending to FL310 with neither clearance nor advisory. Impact on operations: a Delta Airlines Airbus A330-200 (DAL137) from Amsterdam/Schiphol, Netherlands (EHAM) to Detroit/Wayne County, MI (KDTW) had to turn 40 degrees to the right to maintain the necessary separation.

February 25, 2018

Incident at 4813N / 06909W

An Etihad Airways Boeing 777-300 (ETD76T) on a flight from Chicago/O'Hare Int'l, IL (KORD) to Abu Dhabi, UAE (OMAA) reported severe turbulence at FL310. The aircraft requested and was cleared to FL290.

December 29, 2018

Incident at 90NM NE VANCOUVER INTL BC (CYVR)

TSB Report #A18P0188: C-FLHJ, a Boeing 737-400 aircraft operated by Flair Airlines, was conducting flight FLE613 from Vancouver Intl (CYVR), BC to Edmonton Intl (CYEG), AB. As the flight crew expected turbulence passing FL310 during the climb to cruising altitude after the departure from CYVR, the FASTEN SEAT BELT sign was turned on and the captain instructed the cabin crew to be seated. Shortly thereafter when the aircraft was on autopilot, the aircraft pitched up 20° and the airspeed increased by 40 kts. The aircraft rolled 45° to the right, which required full left aileron deflection, then rolled 30° to the left, which was corrected with full right aileron deflection. The VSI displayed a speed of over 6000 fpm up. After a subsequent loss of 25 KIAS, the aircraft leveled off at FL350 with significant ongoing buffeting. The flight crew elected to leave the autopilot on the whole time, and let it make the corrections. There were no injuries; however, 14 passengers became ill as a result of the turbulence. The operator reported that the autopilot performed adequately, did not disengage throughout the event, and that no aircraft limitations were exceeded. An SMS report was filed.

September 2, 2018

Incident at TORONTO CENTRE / ACC DE TORONTO (Weather balloon, meteor, rocket, CIRVIS/UFO)

An Air Canada Rouge Boeing 767-35H (C-GHLK/ROU1852) from Las Vegas Int'l, CA (KLAX) to Toronto/Lester B. Pearson Int'l, ON (CYYZ) reported a balloon passing just below cruising at FL310. No impact to operations.

July 15, 2018

Incident at DUTEL intersection

A Volga-Dneper Airlines ILYUSHIN IL76 (RA76952/VDA2644) from Ottawa/Macdonald-Cartier Int'l, ON (CYOW) to Los Angeles Int'l, CA (KLAX), westbound at FL300 reported a traffic alert and collision avoidance system resolution advisory (TCAS RA). A Flightexec Dassault Mystere Falcon 900 (C-FDOW/FEX902) from Hinton/Jasper-Hinton, AB (CEC4) to Toronto/Lester B. Pearson Int'l, ON (CYYZ), southbound descending to cleared FL310. Traffic was passed, no impact to operations.

June 20, 2018

Incident at 25NM TRENTON ON (CYTR)

An Air Canada Rouge Boeing 767-375 (C-FXCA/ROU1914) from Toronto/Pearson International, ON (CYYZ) to Barcelona/El Prat, Spain (LEBL) was climbing from FL290 to FL310 in the vicinity of Trenton, ON (CYTR) when the aircraft reported being struck by a laser 5 to 6 times. ROU1914 provided the controller with coordinates. Trenton, ON (CYTR) aerodrome officials were notified and the military police were called out.

June 30, 2018

Incident at 30NM AGNOB (ELT)

An Air Canada Rouge Boeing 767 300 (ROU1964) from Toronto, ON (CYYZ) to Bucharest, Romania (LROP) reported hearing an Emergency Locator Transmitter (ELT) from 2254Z to 2256Z at FL310. The Rescue Coordination Centre (RCC) was notified. No further reports.

April 11, 2018

Incident at 4857N / 09224W

An Air Canada Embraer ERJ 190-100 IGW (ACA1118) from Regina Intl., SK (CYQR) to Toronto / Pearson Intl., ON (CYYZ) was observed on the on radar leaving flight level 33 000 feet (FL330) without a clearance. ACA1118 was cleared to descend to flight level 31 000 feet (FL310). No impact to operations.

March 31, 2018

Incident at In the vicinity of: TAGUM intersection

An Air Transat Boeing 737-73V (C-GYQV/TSC966) on a flight from Vancouver Int'l, BC (CYVR) to Toronto/Lester B. Pearson Int'l, ON (CYYZ), in the vicinity of TAGUM, was instructed to descend to FL240 from FL310. TSC966 read back correctly and continued on FL310. The controller queried TSC966 after a period of time and re-cleared the flight to FL240. No impact to operations.

December 19, 2018

Incident at 108NM NE George Bush Intercontinental, TX (KIAH)

TSB Report #A18F0290: C-FMZU, an Embraer 190-100 aircraft operated by Air Canada, was conducting flight ACA592 from Houston/George Bush Intercontinental (KIAH), TX to Toronto/Lester B. Pearson Intl (CYYZ), ON with 4 crew members and 65 passengers on board. Passing FL280 during the climb to cruising altitude, approximately 110 nm northeast of KIAH, the flight experienced continuous moderate turbulence. As the flight passed through FL300, the turbulence became severe and the flight crew observed the vertical speed in excess of 2500 feet per minute. A higher level was requested, however it was denied by ATC due to heavy traffic at FL320. The flight crew levelled off at FL310 in continuous moderate turbulence, and subsequently climbed to FL350 a short while later. The operator’s maintenance carried out a phase one inspection and found no faults. The aircraft was returned to service.

October 20, 2018

Incident at 25NM NW Albany (KALB)

TSB #A18F0241: C-FEJD, an EMB170-200 was being operated by Sky Regional Airlines as flight SKV7672 from Lester B. Pearson Intl - Toronto (CYYZ) to General Edward Lawrence Logan Intl - Boston (KBOS). During the climb through FL300 for FL310 the crew noticed the cabin altitude was at 8000 feet and in the amber caution range. A descent was requested and at FL290 the cabin altitude continued to rise with a Cabin Altitude High message. A full emergency descent was completed with a descent to 10000 feet. An emergency was declared by the crew with a request to divert to Albany International Airport (KALB). The aircraft landed on RWY28 KALB uneventfully with ARFF on standby. The aircraft was inspected and ferried to CYYZ for further maintenance.

April 17, 2018

Incident at 5219N / 11203W

A SkyWest Airlines Embraer ERJ 170-200 LR (SKW5194) from Edmonton Int'l, AB (CYEG) to Denver, CO (KDEN) reported a strong emergency locator transmitter (ELT) at FL310 southeast bound and continued to hear it for 5 minutes. A Jazz de Havilland DHC-8-402 (JZA8234) from Yellowknife, NT (CYZF) to Calgary Int'l, AB (CYYC) also reported the ELT in the approximate area at 2210Z. The Trenton Joint Rescue Coordination Centre (JRCC) was advised. The Lethbridge Flight Service Station (FSS) advised the ELT was an accidental activation by an Excel Flight Training Incorporated Piper PA-28-161 (C-GQGC). No impact to operations.

December 15, 2018

Incident at 4211N / 06700W

A Saudi Arabian Airlines Boeing 777-300 (SVA020) from New York/John F. Kennedy International, NY (KJFK) to King Abdulaziz International, Saudi Arabia (OEJN) reported moderate to severe turbulence at FL310. The aircraft climbed to FL320.

December 11, 2018

Incident at 4334N / 05925W

An Air India Boeing 777-300 (VTALM/AIC144) from Newark International, NJ (KEWR) to Chhatrapati Shivaji Maharaj International, India (VABB) reported severe turbulence at FL310, and descended to FL290. No injuries were reported and there was no impact to operations.

November 13, 2018

Incident at 4635N / 06225W

An Air India Boeing 777-300 (AIC102) from New York/John F. Kennedy International, NY (KJFK) to Indira Gandhi International, India (VIDP) encountered moderate to severe turbulence. The aircraft climbed from FL310 to FL330.

November 12, 2018

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

A Wow Air EHF Airbus A321-211 (TFDAD/WOW126) from Boston International, MA (KBOS) to Keflavík International, Iceland (BIKF) was not coordinated with Reykjavik at FL310.

September 26, 2018

Incident at 5451N / 04835W

A Lufthansa Airbus A330-343 (D-AIKF/DLH475) from Montreal/Pierre Elliott Trudeau Int'l, QC (CYUL) to Munich Airport, Germany (EDDM) declared an emergency (MAYDAY) and descended from FL380 to FL310. It was cleared to St. John's Int'l Airport, NL (CYYT) with a sick passenger.

June 6, 2018

Incident at MONCTON CENTRE / ACC DE MONCTON

A Saudi Arabian Airlines Corporation Boeing 777 300 (SVA020) from New York, NY (KJFK) to Jeddah, Saudi Arabia (OEJN) reported severe turbulence at FL310. The aircraft climbed to FL320 followed by a descent to FL300. No damage or injuries reported. The Flight Information Centre (FIC) was advised.

May 19, 2018

Incident at 4824N / 04337W

At 0050Z, an Air Canada Airbus A330-343 (ACA846) from Toronto/Lester B. Pearson Int'l, ON (CYYZ) requested a diversion to St. John's Int'l, NL (CYYT) due to an unruly passenger. Flight was advised unable to give IFR clearance at FL390 due to Predicted Conflict Alert ? Traffic (TFC) however clearance was available at FL310. Flight descended to FL275 on its own before climbing back to FL310. ACA846 was then issued clearance right turn direct CYYT. The aircraft landed at CYYT without incident at 0223Z.

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