DCA11WA026

NTSB accident investigation · Boeing 767 · Atlantic Ocean, Canada · January 14, 2011

Accident · Serious injuriesForeign investigation
Date
January 14, 2011, 06:55 local (06:55 UTC)
Place
Atlantic Ocean, Canada
Injuries
7 serious, 8 minor, 88 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
C-GHLQBoeing 767
Defining event
Enroute-cruise: Abrupt maneuver
NTSB office
Major Investigations Division
Lead agency
Other
Case key
78339

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

.

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Abrupt maneuverEnroute-cruiseAll aircraft: 346 casesDefining event

Analysis

On January 14, 2011, at 0655 UTC, a Boeing 767-300, Canadian registration C-GHLQ, operating as Air Canada flight 878, from Toronto Canada to Zurich, Switzerland experienced a pitch excursion resulting in a loss of 300 feet while in cruise at 35000 feet over the North Atlantic ocean. Thirteen passengers and two flight attendants were injured. After determining the extent of the injuries, it was decided to continue to destination. The seatbelt sign had been selected on 41 minutes prior to the pitch excursion. Upon arrival in Zurich, seven passengers were sent to surrounding hospitals for further assessments and observation. The airplane was not damaged. This accident is being investigated by the Transportation Safety Board of Canada. www.tsb.ca

Factual narrative

On January 14, 2011, at 0655 UTC, a Boeing 767-300, Canadian registration C-GHLQ, operating as Air Canada flight 878, from Toronto Canada to Zurich, Switzerland experienced a pitch excursion resulting in a loss of 300 feet while in cruise at 35000 feet over the North Atlantic ocean. Thirteen passengers and two flight attendants were injured. After determining the extent of the injuries, it was decided to continue to destination. The seatbelt sign had been selected on 41 minutes prior to the pitch excursion. Upon arrival in Zurich, seven passengers were sent to surrounding hospitals for further assessments and observation. The airplane was not damaged. This accident is being investigated by the Transportation Safety Board of Canada. www.tsb.ca

Aircraft

Registration
C-GHLQ
Reported as
Boeing 767
Category
Airplane
Damage
No damage
Flight
Non-U.S., commercial
Operator
Air Canada
Registered owner
Air Canada
Airworthiness certificate
Standard, Transport
Departed
CYYZ · Toronto
Destination
LZRH · Zurich
Flight plan
IFR
Airport
LZRH · Zurich