henpol747
Posts: 563
Joined: Mon Jun 25, 2001 5:53 am

Differences Between 757s

Fri Jun 25, 2004 3:08 am


Why would an airline choose one of this 2 types of 757? the one on the left has 8 exits (no one over the wings) and the one on the right has also 8 exits, but 4 are over the wings.

Besides door configurations and pax capacity, are there other major differences between them?


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Henpol747
Vive la France! ¡Viva México!
 
Vorticity
Posts: 324
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RE: Differences Between 757s

Fri Jun 25, 2004 3:11 am

Left pictures's registration ends in TW, and has P&W engines, that means she came from TWA when AA took them over. The 757's AA actually bought themselves have RR engines.
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miaskies
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RE: Differences Between 757s

Fri Jun 25, 2004 3:12 am

If my memory serves me correct, I believe the 757 with no window exits over the wings were acquired from TWA during the takeover.
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NWA757
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RE: Differences Between 757s

Fri Jun 25, 2004 3:14 am

As with most airlines, American acquires aircraft from other airlines. Each airline and government has it's own requirement for emergency exits. My guess is that the two aircraft you have seen do not differ much on the inside, however the one with the exits may have an extra galley. I believe the 757 with no window exits over the wings were acquired from TWA during the takeover. One of the aircraft that you have seen has RR engines while the other PW.
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ultrapig
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RE: Differences Between 757s

Fri Jun 25, 2004 3:18 am

Understood-But how similar must airline "A"s 757's be so that all of its pilot can fly them? Can a GE 757 Pilot fly a PW or is a seperate certificaiton-
 
henpol747
Posts: 563
Joined: Mon Jun 25, 2001 5:53 am

RE: Differences Between 757s

Fri Jun 25, 2004 3:18 am

What are the pax capacities of these 2 types of 757?
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desertjets
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Joined: Fri Feb 18, 2000 3:12 pm

RE: Differences Between 757s

Fri Jun 25, 2004 3:20 am

The 767 is worse, for lack of a better term, in this regard; with multiple exit door configarations. This all depends on the number of passangers the ordering party needs to fit and the exit requirements come from there. I do not think there is a difference in seating capacity limits between the two different exit door setups on the 757. You wouldn't find galleys by the mid-cabin doors on a 757, though airlines tend to put the lavs there, they are not service doors AFAIK.

The only advantage to the non-over wing exit setup is that with the lavatories located there it helps to break up the cabin and eliminate the tube effect.

FWIW, Northwest has both door setups as well... all of their aircraft were new delivers.
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aa777flyer
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RE: Differences Between 757s

Fri Jun 25, 2004 3:22 am

AA's RR powered 757's seat 22F 166Y.
TWA PW powered 757's seat 22F 158Y

The AA 757's have two extra seats by door 2L plus an additional row of 6 that would be in place of the small emergency exit row (door 3 L & R).

Yes pilots do have to go through a differences training from the RR and PW airplanes. The RR have significantly more power. I think it is around 7,000 pounds of thrust per side.
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767-332ER
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RE: Differences Between 757s

Fri Jun 25, 2004 3:39 am


Ultrapig,
GE does not power or hasn't been offered as an engine variant for the 757's...neither the -200 or -300. Only the RB211 and PW2000's.
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CKT523
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RE: Differences Between 757s

Fri Jun 25, 2004 5:40 am

Im sure I have seen pics of a CO 757-200 on here (cabin shot) that shows a galley by door 2R and a bulkhead by L2 instead od the usual crew seat then immediately a row in front. Ive also flown on 757's that had no bulkhead in front of row 1, just a crew seat like alot of 737's have.

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