View Single Post
  #8  
Old 11 December 2017, 23:17
doitforjonny doitforjonny is offline
pumpin gas and kickin ass
 
Join Date: Dec 2003
Location: California
Posts: 834
http://elms.smcps.org/student-tutori...measure-height

Work on guestimating your 66' linear distance from said helicopter.

I guess you could also mil it out with binos, if your aircraft ID was shit hot, and you were the best damn spotter in the world....
Reply With Quote