PPRuNe Forums - View Single Post - calculating pressure altitude

25th October 2002 | 15:49

#3 (permalink)

Don D Cake

Joined: Nov 2000

Posts: 120

Likes: 0

From: St Albans, herts, UK

I don't think you missed the point it's just that air pressure doesn't decrease by exactly 1mB per 30ft. It's a good approximation though, perhaps I'm being to picky....