PPRuNe Forums - View Single Post

24th Sep 2009, 19:11

#2 (permalink)

doubleu-anker

Join Date: May 2002

Location: dubai

Posts: 942

Likes: 0

Received 0 Likes on 0 Posts

Good question. From my observations, meaningful, long contrails can be expected at OAT of -50 degs C and colder.

Reply