B738, Halifax Canada, 2020

B738, Halifax Canada, 2020

Summary

On 5 January 2020, a Boeing 737-800 overran the wet snow contaminated landing runway at Halifax by almost 100 metres after a touchdown zone landing and a maximum deceleration effort followed a stabilised ILS approach to a shorter runway than originally intended which also had an out of limits tailwind component and was anyway flown contrary to required tailwind speed control. The Investigation found the crew had assumed the only significant difference between the initially planned and eventually used runways was the shorter length of the latter which was judged acceptable and no new landing performance data had been accessed.

Description

On 5 January 2020, a Boeing 737-800 (C-FUJR) being operated by WestJet on a scheduled domestic passenger flight from Toronto to Halifax as WJA248 overran the end of the wet snow contaminated landing runway at destination despite a touchdown zone landing and a maximum deceleration effort to follow after the crew changed runways without then establishing the changed landing performance. There was no damage to the aircraft or injury to the 172 passengers and no emergency evacuation was required but it was two hours before the last of the passengers were transported to the terminal.

The aircraft in its final stopping position. [Reproduced from the Official Report]

Investigation

An Investigation was carried out by the Canadian Transportation Safety Board (TSB) assisted by data downloaded from the FDR but relevant data on the CVR was overwritten because the corresponding CB was not tripped after the accident. Recorded ATC data were also available.

It was noted that the Captain who was acting as PF for the flight involved and had been working for the operator for 10 years and had a total of over 30,000 hours flying experience including 7,500 hours on type. He had been promoted to Captain in 2017. The First Officer had joined the operator three months prior to the accident and completed line training on type the following month. He had a total of 2,275 hours flying experience including 75 hours on type.

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