I thought you might be interested in looking at Trigger AA only when heli is over a certain height.
https://forums.bohemia.net/forums/topic/201291-trigger-aa-only-when-heli-is-over-a-certain-height/?do=findComment&comment=3137398
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.