In article , "Paul J. Adam"
wrote:

In message ,
Harry Andreas writes
In article , "Paul J. Adam"
wrote:

Of course, if the GPS co-ordinates are wrongly calculated, wrongly
entered, or the GPS battery fails midflight, that's a very lost
formation... with no navigators to rescue them.

Military aircraft GPS use aircraft power with transient backup, not
batteries.

Assuming a fully integrated GPS, rather than a civilian handheld
attached to the glareshield as an Urgent Operational Requirement
solution pending the procurement of the fully integrated navigation
upgrade.

Life is rarely as perfect as you'd like.

Yet airborne GPS systems have been around for a long time.

check out the MAGR system

http://gps.losangeles.af.mil/user/products/magr2000/

and here is a photo of all the platofrms it's used on

http://gps.losangeles.af.mil/user/pr...0/m-images.htm

the virtual gamut of all first line US aircraft, with the exception of the
F-15C/D/E.
(I wonder why that is?)

--
Harry Andreas
Engineering raconteur