Roost Air Lounge => The Classroom => Topic started by: Zaffex on October 01, 2006, 03:38:17 PM
Title: airspeed indicator
Post by: Zaffex on October 01, 2006, 03:38:17 PM
Anybody know what the little knob and movable arc on the top part of the airspeed indicator are for? I guessed that it's for true airspeed, but I didn't know for sure. If it is for TAS, then how do you set it? I think I get that the bottom numbers are for the true airspeed, but I can't make heads or tails out of the top part. ???
Title: Re: airspeed indicator
Post by: fireflyr on October 01, 2006, 04:05:17 PM
Align the Outside Air Temperature with the pressure altitude by moving the arc, then read your TAS on the outer scale (where the AS needle is pointing) |:)\
Title: Re: airspeed indicator
Post by: Zaffex on October 06, 2006, 02:16:51 AM
OK, and pressure altitude is alt. reading at 29.92, right? And the numbers for pressure altitude are read in thousands of feet?
Title: Re: airspeed indicator
Post by: Baradium on October 06, 2006, 03:02:55 AM