FA20, vicinity Kish Island Iran, 2014

FA20, vicinity Kish Island Iran, 2014

Summary

On 3 March 2014, a Dassault Falcon 20 engaged in navigation aid calibration for the Regulator was flown into the sea near Kish Island in dark night conditions. The Investigation concluded that the available evidence indicated that the aircraft had been inadvertently flown into the sea as the consequence of the crew experiencing somatogravic illusion. It was also noted that the absence of a functioning radio altimeter and pilot fatigue attributable to the long duty period was likely to have exacerbated the pilots' vulnerability to this illusion.

Description

On 3 March 2014, a Dassault Falcon 20 (EP-FIC) being operated by Aseman Airlines on navigation aids calibration detail at Kish Island for the State Civil Aviation Organisation failed, in night VMC, to complete an eighth flight. It was subsequently found to have crashed into the sea at speed and been destroyed with all four occupants being killed as a result.

Investigation

An Investigation was carried out by the Aircraft Accident Investigation Department of the Iran Civil Aviation Organisation (CAO). The aircraft was not fitted with a CVR or a FDR and under ICAO Annex 6 was not required to be. Almost all of the aircraft wreckage was recovered and reconstructed in plain view to enable the Investigation to proceed.

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