Kishor Chauhan, Flight Lieutenant Rakesh Chauhan's father, has described his son as "extremely active, charismatic, charming and very witty" in an emotional interview.
Rakesh, who was 29 and grew up in Birmingham, was killed along with four other men in a helicopter crash in Afghanistan.
The Ministry of Defence has called it a "tragic accident".
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A19-year-old man has been arrested and a motorcycle has been seized in connection with the incident.