PPRuNe Forums - View Single Post - B757/767 cabin alt
View Single Post
Old 4th Apr 2015, 23:54
  #3 (permalink)  
172_driver
 
Join Date: Jan 2006
Location: Between a rock and a hard place
Posts: 1,271
Likes: 0
Received 0 Likes on 0 Posts
Are the indicators (Cabin Alt and Rate of Climb/Desc) independent of electrical supply a la Piper19, i.e. the needles move mechanically by expanding bellows? How about diff pressure indicator?
172_driver is offline