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**Marty Shapiro** · May 19th 08, 06:09 AM posted to rec.aviation.piloting,rec.aviation.student

Dave Doe wrote in
. nz:

In article ,
says...
Dave Doe writes:

IIRC, they could have used the GPS for airspeed (IIRC, the airspeed
indicator partly worked (they got an airspeed active out of it!) -
and probably thought it was correct - during flight it was all over
the place IIRC. And the radar altimeter would have been working
just fine. Several navs would have been good, VOR, DME, ILS etc.
Shaker of course too!

The GPS would only give ground speed, not airspeed, but that would be
better than nothing. The RA would only be useful below 2500 feet
AGL. But the other stuff would be working.

The other poster got it right methinks, pretty sure it was a 757.

re your reply...
* ground speed would be just fine, even in a 30kt wind aloft -
compared to an airspeed indicator going all over the place.
* they'd just taken off, so the radar altimeter's going to provide
some very useful info.

Anyone remember some more details?

Aeroperu had a problem with this.

As the other poster mentioned, he thought it was 'down south' too -
should be a database entry for it somewhere.

There is an entry in the NTSB data base, but all it does is refer to the
DGTA in Peru and gives a telephone number and fax number. The entry can be
found at http://www.ntsb.gov/ntsb/brief.asp?e...08X06864&key=1

--
Marty Shapiro
Silicon Rallye Inc.

(remove SPAMNOT to email me)