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Why 2 Types Of 757-200s For NW?  
User currently offlineJmc1975 From Israel, joined Sep 2000, 3378 posts, RR: 14
Posted (15 years 5 months 1 week 5 days 21 hours ago) and read 2157 times:

I have noticed that there are two types of 757-200s. They are mainly distiguishable by the location of their emergency exit doors. The type with the two small doors over the wing are operated by AA, UA, DL, CO and I think TW. The type with one door BEHIND the wing is operated by US, HP, N7 and BA. I have noticed that NW operates both types and yet they are all called the 757-251. Why are there two types?

3 replies: All unread, jump to last
User currently offlineEyeSky From United States of America, joined Aug 2000, 332 posts, RR: 0
Reply 1, posted (15 years 5 months 1 week 5 days 20 hours ago) and read 2124 times:
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The Northwest 757's with the exit door aft of the trailing edge that you are referring to were originally 757-2S7's delivered to Republic Airlines prior to their 1986 merger with Northwest.

Click for large version
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Photo © John P. Stewart

The last few aircraft delivered prior to the Northwest/Republic merger were painted up in a hybrid color scheme that was more Northwest than it was Republic. I'm not sure why Northwest refers to them as 757-251's.


User currently offlineFlyAA757 From United States of America, joined Jun 1999, 1031 posts, RR: 0
Reply 2, posted (15 years 5 months 1 week 5 days 20 hours ago) and read 2106 times:

Sorry, EyeSky, but youre completely wrong.

The 757-2S7s originally delivered to Republic are ALL now with America West Airlines on lease from Boeing capital.

Northwest only operates factory delivered 757-251s currently. The older a/c, delivered in the mid-80s had one exit configuration, but later deliveries, in the late 90's had the other system. I don't know what the logic was behind the change though.

Republic's a/c were all powered by RB211s, as seen in your picture.

All of NW's a/c are PW powered.

User currently offlineRepublic From Canada, joined Dec 2012, 0 posts, RR: 0
Reply 3, posted (15 years 5 months 1 week 2 days 11 hours ago) and read 2052 times:

Boeing's customer code for NW is 51, while for Republic it was S7. So, in Boeing parlance, a 757-200 built for NW would be a 757-251, for Republic 757-2S7. To carry this further, a 767-400 built for Delta is technically a 767-432, as Delta's Boeing customer code is 32.

Hope this helps,

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