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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Sporadic outbreaks of rain will spread to all areas overnight, with some heavy bursts at first.
Cloudy with outbreaks of rain, mainly after midnight. Winds will start to ease.
Police say he has links to the Hall Green and Olton areas of Birmingham and could have made his way there.