Vehicles / B722, Hamilton ON Canada, 2013

Vehicles / B722, Hamilton ON Canada, 2013

Summary

On 19 March 2013 a Boeing 727 freighter was cleared to take off on a runway occupied by two snow clearance vehicles. The subsequent cancellation of the take off clearance was not received but a successful high speed rejected take off was accomplished on sight of the vehicles before their position was reached. The Investigation attributed the occurrence to the controller's failure to 'notice' the runway blocked indicator on his display and to his non-standard use of R/T communications. The late sighting of the vehicles by the aircraft crew was due to the elevated runway mid section.

Description

On 19 March 2013, a Boeing 727-200 Freighter (C-GKFJ) being operated by Kelowna Flightcraft Air Charter on a scheduled domestic cargo flight (273) from Hamilton ON to Winnipeg MA began take off on runway 30 at Hamilton in normal night visibility until two opposite direction snow clearing vehicles were observed on the runway ahead at which point a high speed rejected take off was accomplished with the aircraft coming to a stop clear of the position of the vehicles.

Investigation

An Investigation was carried out by the Canadian TSB. Recorded data relevant to the Investigation was recovered from the aircraft Flight Data Recorder (FDR) but data on the Cockpit Voice Recorder (CVR) had been overwritten when the CB was not tripped and the aircraft departed on the intended flight shortly after the rejected take off. The R/T and ATC ground telephone recordings were also available.

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