PPRuNe Forums - View Single Post - Noise pollution
Thread: Noise pollution
View Single Post
Old 9th September 2013 | 16:17
  #18 (permalink)  
sunday driver
 
Joined: Oct 2002
Posts: 169
Likes: 0
From: Job Centre
...but why do so many light aircraft exhaust pipes point downwards?
... to stop them filling up with rain ?

SD
sunday driver is offline