Posted on 12/23/2016 12:50:57 PM PST by Allen In Texas Hill Country
True.
Flew LA to Dubai once and we flew initially due north and crossed the NMorth Pole and approached Dubai from the North-West.
Or the horizon is just a big circle.
Nope. All of our airplanes are dual FMS with GPS and a stanby ISIS..
What is ISIS?
I’ve been out of aviation for a few years. Celestial nav went the way of the model t.
Integrated Standby Instrument System. All I really know about it is that when it goes bad, you have to return to the field..
Yes Indeed
Just punch into the GPS the destination identifier, hit enter, follow the indicator, and if you got enough fuel, you will be where you want to be.
We may be lost, but we are making dame good time.
We are going so fast by the time we figure out where we are we are already someplace else.
And dead reckoning.
The aircraft is traveling through the atmosphere that is rotating the same speed as the earth’s surface (plus or minus wind currents). You simply discard the rotational effects of the earth and compensate for wind. A more interesting question arises on polar flights. When I used to teach Grid Navigation the first question is why teach Polar grid navigation...I always answered with the question from the north pole what direction do you fly to NYC...South right what direction do you fly to Moscow..er South uh-oh!
Welcome, to another grid nav veteran.
During grid nav, the pilots hang on your every word.
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