Re: Boeing 737 crash

From: (Dr. Stuart L. Bloom)
Organization: NETCOM On-line Communication Services (408 261-4700 guest)
Date:         06 Feb 95 02:45:19 
References:   1 2 3 4
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Regarding American Airlines procedures on altimeter settings, the 
previous post had the right idea, but backwards.  Their procedures call 
for setting both pilot's main altimeters to read 0 while on the ground.  
The third altimeter is set to QNH, i.e. altitude above sea level.  These 
settings are used during the takeoff and landing phases.  After takeoff, 
during the cleanup phase (1500-3000'), the main altimeters are reset to 
QNH.  Out of 18000, the altimeters go to QNE, (29.92").
Dr. Stuart L. Bloom           ATP/B-737
Dept. of Anesth.              N1016T
Northridge Hosp. Med. Ctr.    W8QVH                                  
Northridge, Calif.