On 30 May 2019, a DHC8-200 departing from Nuuk could not be rotated at the calculated speed even using full aft back pressure and the takeoff was rejected with the aircraft coming to a stop with 50 metres of the 950 metre long dry runway remaining. The initial Investigation focus was on a potential airworthiness cause associated with the flight control system but it was eventually found that the actual weights of both passengers and cabin baggage exceeded standard weight assumptions with the excess also resulting in the aircraft centre of gravity being outside the range certified for safe flight.
Description
On 30 May 2019, a DHC8-200 (OY-GRJ) being operated by Air Greenland on a scheduled domestic passenger flight from Nuuk to Kangerlussuaq rejected its takeoff from runway 05 at Nuuk in day VMC when it was found that the aircraft could not be rotated and it came to a stop 50 metres from the end of the runway. The aircraft was returned to the terminal and the passengers disembarked.
Investigation
An Investigation into this Serious Incident was carried out by the Danish Accident Investigation Board (AIB) after the operator notified the event 90 minutes later. Data recorded on the QAR, which were the same as those recorded on the FDR, were retrieved and the raw data file, along with the CVR was shipped to the Transportation Safety Board of Canada (TSB) for decoding and downloading respectively. It was found that the CVR had not been isolated promptly enough to preserve the most recent 30 minutes of high quality audio data but the period covering the event was contained in the 2 hour data files which record the cockpit area microphone channel and a combined version of the pilots’ individual communication channels. A recording of VHF communications on the Nuuk Aerodrome Flight Information Service (AFIS) frequency were also available.
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