3 ms·
GPS will give you groundspeed, not airspeed. And since you don't get lift from groundspeed, it isn't as relevant to keeping the airplane flying.
by jwr 15y ago
GPS will give you groundspeed, not airspeed. And since you don't get lift from groundspeed, it isn't as relevant to keeping the airplane flying.
- rationalbeats 15y agoExample of a Cessna flying backwards lift generated by headwind. http://www.youtube.com/watch?v=u2tiaWPNamE http://www.youtube.com/watch?v=u2tiaWPNamE
- rorrr 15y agoBut it can be used to precisely determine the altitude, which is what really matters if you're about to crash or go too high and stall.