B733, Wamena Papua Indonesia, 2016

B733, Wamena Papua Indonesia, 2016

Summary

On 13 September 2016, a Boeing 737-300 made an unstabilised approach to Wamena and shortly after an EGPWS ‘PULL UP’ warning due to the high rate of descent, a very hard landing resulted in collapse of the main landing gear, loss of directional control and a lateral runway excursion. The Investigation found that the approach had been carried out with both the cloudbase and visibility below the operator-specified minima and noted that the Captain had ignored a delayed go around suggestion from the First Officer because he was confident he could land safely as the two aircraft ahead had done.

Description

On 13 September 2016, a Boeing 737-300F (PK-YSY) being operated by Trigana Air on a scheduled domestic cargo flight from Sentani to Wamena as IL7321 made an unstabilised daylight approach to runway 15 at destination, continuing below the approach minima and ignoring an EGPWS ‘PULL UP’ warning triggered by a high rate of descent just before a very hard landing which resulted in detachment of the main landing gear, loss of directional control and the aircraft departing the side of the runway. All three occupants were uninjured and exited the aircraft via the main cargo door using the escape rope provided but the aircraft sustained substantial damage.

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

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