June 12, 2017

Incident at 115NM S HALIFAX / STANFIELD INTL NS (CYHZ)

UPDATE:TSB REPORT#A17A0042: N651UA, a Boeing 767-300 operated by United Airlines, was operating as flight UAL956 from Newark Liberty Intl (KEWR) to Geneva, Switzerland (LSGG). During cruise, the crew declared an emergency and requested descent from FL360 to 10 000 feet due to a pressurization problem. At 10 000 feet the crew reported that the aircraft was stabilized and requested to return to KEWR. The aircraft exited Canadian airspace uneventfully.
A United Airlines Boeing 767-300 (N651UA/UAL956) on a flight from Newark, NJ (KEWR) to Geneva, Switzerland (LSGG) requested emergency descent to 10000' from FL360 due to a pressurization problem. The aircraft was given descent to FL100. After levelling at FL100, the flight advised that the situation was stabilized and requested to return to KEWR. The aircraft exited Moncton flight information region (FIR) at 2348Z. No impact on operations.

April 12, 2015

Incident at RAFIN Intersection

At 2355Z, a United Airlines Boeing 767 300 (N642UA / UAL956) from Newark, NJ (KEWR) to Geneva, Switzerland (LSGG) reported a medical emergency and requested to divert to St. John's, NL (CYYT). The flight was recleared as requested. No traffic. The aircraft landed at 0029Z.

August 24, 2014

Incident at In the vicinity of: 47N 30W

UPDATE: TSB Report# A14A0074: The Lufthansa Airbus 380 (D-AIMI), operating as DLH463, was en route from Miami (KMIA) to Frankfurt (EDDF). The crew requested deviations north of course due to weather. Air Traffic Control (ATC) was unable to approve the deviation due to two flights operating on the track adjacent, and at the same flight level, to DLH463's track. The crew informed ATC that they had to deviate and requested traffic information. A loss of separation occurred with the other two aircraft during the deviation.
A Lufthansa Airbus A380-800 (DAIMI/ DLH463) from Miami (KMIA) to Frankfurt (EDDF), FL380 at 0209Z, requested a deviation of up to 15NM left of course due weather. Air traffic control (ATC) was unable to approve the deviation due to two flights operating on the track adjacent to DLH463's track at the same flight level. The pilot informed ATC at 0215Z that it had to deviate for weather and requested traffic information. DLH463 was due 47N 30W at 0219Z while a United Airlines Boeing 767 300 (N641UA/ UAL956) from Newark, NJ (KEWR) to Geneva (LSGG) was by 48N 30W at 0211Z and a British Airways Boeing 777 200 (GZZZA/ BAW66V) from Philadelphia, PA (KPHL) to London/ Heathrow (EGLL) was due 48N 30W at 0224Z. Shanwick was advised since deviation occurred near the Gander-Shanwick boundary.

February 13, 2014

Incident at Vicinity of RAFIN intersection

A United Airlines Boeing 767-300 (UAL956) from Newark, NJ (KEWR) to Geneva, CH (LSGG) reported an equipment malfunction at 0130Z which resulted in a loss of extended range twin-engine operations (ETOPS) certification. The aircraft was in the vicinity of RAFIN intersection and returned to KEWR. No emergency and no assistance required.

April 3, 2013

Incident at ST. JOHN'S INTL NL (CYYT)

An eastbound United Airlines Boeing 767-300 (UAL956) flew over YQX and declared a medical emergency (passenger). Requested to divert to CYYT. Flight landed at 0048Z.

August 1, 2012

Incident at 80 miles southwest of Sydney (CYQY)

UAL956, Boeing 767-300, enroute from Newark (KEWR) to Geneva (LSGG), declared an emergency due to a "suspect item on board". The flight requested clearance direct to Boston (KBOS). The aircraft was given clearance to turn, descend to 32,000 ft. direct to Boston. The aircraft requested to be parked away from everything else. Information was coordinated with the Boston Area D supervisor. During the return to US airspace multiple aircraft were turned to stay at least five miles from the UAL956. UAL956 exited Moncton airspace at 00:39Z.
UPDATE TSB: A12A0079: A United Airlines B767-300 (registration N654UA) was en route from Newark Liberty (KEWR) to Geneva (LSGG). While in cruise flight the crew located an unattended camera in a sick bag for which no one onboard claimed ownership. The crew declared an emergency and diverted to Boston (KBOS). The aircraft was searched as per TSA regulations, with negative results and released to service.

April 24, 2006

Incident at GANDER INTL NL (CYQX) (Conflict - loss of separation, ATS operating irregularity)

UPDATE TSB: A06A0033: AAL108, a B777-200, eastbound at 36,000 ft. exited radar coverage without transition to oceanic flight level 380 (38,000 ft). During the subsequent mitigation, less than required separation existed between AAL108 and AAl172 on same track. The required longitudinal separation is 10 minutes but separation degraded to less than 10 minutes. Also, lateral separation between AAL108 was reduced to less than the required 60 nm minimum with three aircraft operating on an adjacent track (NWA52, NWA38, and UAL956). Nav Canada is conducting a review of this occurrence.
AAL108, eastbound at flight level 360 originating from KBOS (Boston, MA, USA) and destined for EGLL (London, England) exited radar coverage without transition to oceanic flight level 380 (38,000 ft). During subsequent mitigation, less than required separation existed between AAL108 and AAL172 on same track. Required longitudinal separation is 10 minutes but separation degraded to be less than 10 minutes. Also lateral separation between AAL108 and NWA52, NWA36, UAL956 operating on adjacent track was reduced to less than the required 60 NM minimum. TSB Case Closed

October 30, 2003

Incident at ST. JOHN'S INTL NL (CYYT)

UAL956, a Boeing 777 en-route from Kennedy to Heathrow at a position 100 NM west of 53N50W, requested to divert to St. John's due to a sick passenger. The aircraft was cleared as requested. The aircraft dumped fuel 65 NM east of St. John's and landed without further incident at 0314Z.

July 11, 2001

Incident at HALIFAX / STANFIELD INTL NS (CYHZ)

UAL956 B777 enroute New York to London reported a ""fuel problem indication"" to the controller. Pilot stated that the aircraft was handling OK, but there was an indication. Pilot requested a return to New York. Pilot advised that fuel would need to be dumped prior to landing. This information was given to Boston. No fuel dumping occured in Moncton Airspace. Aircraft exited airspace at 0149. No other aircraft affected. Nil TSB