PPRuNe Forums - View Single Post - HSI: Track up vs Heading up

24th May 2003 | 15:11

#4 (permalink)

BOAC

Per Ardua ad Astraeus

Joined: Mar 2000

Posts: 18,575

Likes: 4

From: UK

I cannot recall why the option is there - I was told once (Tempus fugit) but I'm sure there is a good reason and someone will offer it soon!

I'm confused enough as it is