Re: Safety and design rankings (was Re: Flight controls)

From: (Michael T. Palmer)
Organization: NASA Langley Research Center, Hampton, VA  USA
Date:         17 Dec 92 13:27:35 PST
References:   1 2 3 4
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In a previous post, somebody wrote:

>>Every first-generation 737 I've seen has a third seat for the flight

Then, somebody else wrote:

>Hmm.  I have some vague recollection of a three-man 737, but I think I'm
>thinking of that 767.  The 737 was designed for a two-man crew.  If three-
>man ships were produced, there are precious few of them.  I wasn't able 
>to find any explicit references to three-man variants in my notes.

Well, NASA Langley operates Boeing B-737-100 Hull Number 1.  That's right,
Number 1.  I can tell you for a fact that it was designed for two pilots.

>Be careful to distinguish between a "flight engineer" and someone occupying
>the jump seat.  Quite a few airlines will run a "third man" due to either 
>union pressures, or to provide training experience for new-hires; one often
>sees "transients" (instructors, check pilots, deadheading pilots) in
>the jump seat.

Correct.  However, putting a third pilot on that tiny, flip/fold-down seat
would require hazardous duty pay.  I have ridden in that seat for quite a
few hours, and it is NOT repeat NOT like riding in a 767 cockpit!!  Still,
there is no rear "engineer's station" for a third crewmember anyway.  And
the seat blocks access to the cabin door!  It was never designed for constant

Michael T. Palmer, M/S 152, NASA Langley Research Center, Hampton, VA 23681
Voice: 804-864-2044,   FAX: 804-864-7793,   Email:
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