Air Canada Flight 624
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Air Canada Flight 624 was a scheduled Canadian domestic passenger flight from Toronto Pearson International Airport to
Halifax Stanfield International Airport Halifax Stanfield International Airport is a Canadian airport in Goffs, Nova Scotia, a rural community of the Halifax Regional Municipality. It serves the Halifax region, mainland Nova Scotia, and adjacent areas in the neighbouring Maritime pro ...
in
Halifax, Nova Scotia Halifax is the capital and largest municipality of the Canadian province of Nova Scotia, and the largest municipality in Atlantic Canada. As of the 2021 Census, the municipal population was 439,819, with 348,634 people in its urban area. The ...
. During heavy snow and poor visibility, at 00:43 ADT (03:43 UTC) on 29 March 2015, the
Airbus A320-211 The Airbus A320 family is a series of narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, first flew on 22 February 1987, and was introduced in April 1988 by Air France. The first member of the famil ...
landed short of the
runway According to the International Civil Aviation Organization (ICAO), a runway is a "defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft". Runways may be a man-made surface (often asphalt concrete, as ...
and was severely damaged. Twenty-six people were injured.


Accident

Air Canada Flight 624 departed from Toronto Pearson International Airport (YYZ) bound for
Halifax Stanfield International Airport Halifax Stanfield International Airport is a Canadian airport in Goffs, Nova Scotia, a rural community of the Halifax Regional Municipality. It serves the Halifax region, mainland Nova Scotia, and adjacent areas in the neighbouring Maritime pro ...
(YHZ). It was carrying 133 passengers and five crew. The
Airbus A320 The Airbus A320 family is a series of Narrow-body aircraft, narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, Maiden flight, first flew on 22 February 1987, and was introduced in April 1988 by Air F ...
operating the flight, registration C-FTJP, impacted the ground short of the threshold of runway 05 (which is not equipped for precision landing), smashing through an ILS-LOC antenna array. This impact caused the landing gear to separate from the aircraft. The plane also impacted a power line, which cut power to the airport. The aircraft then climbed an embankment up to the runway level, skidded on its belly and stopped past the threshold. The Halifax airport was without electricity for about 90 minutes. The aircraft was extensively damaged, having lost all landing gear and its port engine. The wings and tailplane were also damaged. Both pilots, twenty-three passengers and a flight attendant were taken to hospital. None of the injuries were life-threatening, and all but one of those taken to hospital were released the same day. The weather at the time of the accident was described as "stormy" (winter conditions). The loss of power to the airport was due to the aircraft clipping transmission lines before hitting the ground. Electricity was restored to the airport by 02:12 ADT. While the aircraft collided with objects outside the airport perimeter and was damaged beyond repair, Air Canada initially described the accident as a "hard landing".


Aircraft and crew

The aircraft was an
Airbus A320-211 The Airbus A320 family is a series of narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, first flew on 22 February 1987, and was introduced in April 1988 by Air France. The first member of the famil ...
equipped with two CFM56-5A1 engines. Its serial number was 233 with a fleet number of 214, and it first flew in 1991. It was owned by
GECAS GECAS (GE Capital Aviation Services) was an Irish–American commercial aviation financing and leasing company. AerCap acquired the company from GE Capital on November 1, 2021. GECAS was the largest commercial airline leasing/financing company in ...
and leased to Air Canada. As a result of the accident, the aircraft was
written off A write-off is a reduction of the recognized value of something. In accounting, this is a recognition of the reduced or zero value of an asset. In income tax statements, this is a reduction of taxable income, as a recognition of certain expenses ...
. The captain had been with Air Canada for more than nine years and had logged 11,765 flight hours, including 5,755 hours on the Airbus A320. The first officer had been with the airline for 15 years and had 11,300 flight hours, with 6,392 of them on the Airbus A320.


Investigation

The accident was investigated by the Transportation Safety Board of Canada. '' Bureau of Enquiry and Analysis for Civil Aviation Safety'' (BEA) investigators from France and two technical advisers from
Airbus Airbus SE (; ; ; ) is a European Multinational corporation, multinational aerospace corporation. Airbus designs, manufactures and sells civil and military aerospace manufacturer, aerospace products worldwide and manufactures aircraft througho ...
travelled to Canada to participate in the investigation. As a result of the accident, Air Canada revised its incorrect Airbus A320-200 Standard Operating Procedure. The final report was released in May 2017, and showed no mechanical faults contributing to the accident. Instead pilot error was mainly to blame, as the crew followed relevant Air Canada flying procedures that contradicted Airbus and pilot training guidelines. Investigators determined that the airline's standard operating procedure in regard to the selected landing mode (Flight Path Angle Guidance) was over-reliant on the Airbus' automation and led to excessive loss of altitude. Per the SOP, the crew need not have monitored the aircraft's altitude or relation to the runway to make any subsequent adjustments to the flight path angle after the final approach fix. Subsequently, the captain and first officer failed to notice or respond to the fact that the aircraft autopilot selected a steep vertical angle flight path, causing a drop below the minimum safe altitude. Furthermore, limited visibility hampered the crew's ability to accurately perceive their surroundings.


Litigation

A class action lawsuit was introduced against Air Canada, the Halifax Airport, NAV Canada, Transport Canada, Airbus and the aircraft's pilots which alleges that negligence on the part of the defendants caused the crash, inflicting physical and psychological harm onto the passengers. , the lawsuit was still ongoing. Other separate lawsuits are being assessed by medical professionals, with settlements based on the relative severity of each client's injuries. On 30 March 2017, Air Canada filed a lawsuit against
Airbus Airbus SE (; ; ; ) is a European Multinational corporation, multinational aerospace corporation. Airbus designs, manufactures and sells civil and military aerospace manufacturer, aerospace products worldwide and manufactures aircraft througho ...
, alleging that the manufacturer "failed to identify shortcomings of the Airbus A320", which included uncommanded descent below the pre-programmed glide path.


See also

*
Accidents and incidents involving the Airbus A320 family For the entire A320 family, 160 aviation accidents and incidents have occurred (the latest accident with fatalities being Pakistan International Airlines Flight 8303 on 22 May 2020), including 37 hull loss accidents, and a total of fatalities in 1 ...
*
Air Inter Flight 148 Air Inter Flight 148 was a scheduled passenger flight from Lyon Satolas Airport to Strasbourg Airport in France. On 20 January 1992, the Airbus A320 family, Airbus A320 operating the flight Controlled flight into terrain, crashed into the slop ...
, another case of an
Airbus A320 The Airbus A320 family is a series of Narrow-body aircraft, narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, Maiden flight, first flew on 22 February 1987, and was introduced in April 1988 by Air F ...
descending improperly leading to a
CFIT In aviation, a controlled flight into terrain (CFIT; usually ) is an accident in which an airworthy aircraft, under pilot control, is unintentionally flown into the ground, a mountain, a body of water or an obstacle. In a typical CFIT scenario, ...


References


Further reading

*


External links

* Transportation Safety Board of Canada
"Collision with terrain involving an Air Canada Airbus A320 at Stanfield International Airport, Halifax, Nova Scotia"
* Air Canada
"Air Canada provides Update on AC624"

Post-accident photos
nbsp;– TSBCanada on Flickr * {{Aviation accidents and incidents in 2015 Aviation accidents and incidents in 2015 Airliner accidents and incidents in Canada Accidents and incidents involving the Airbus A320 Air Canada accidents and incidents 2015 disasters in Canada Airliner accidents and incidents involving controlled flight into terrain March 2015 events in Canada History of Halifax, Nova Scotia Halifax Stanfield International Airport Airliner accidents and incidents caused by pilot error