Topic Author
Posts: 137
Joined: Wed Apr 05, 2000 4:18 am

Boeing Aircraft Designation

Thu Apr 26, 2001 6:22 am

What designator code does Boeing assign to its own 'House' aircraft?

I know that its airline customer codes include -36 for British Airways, -22 for United, -51 for Northwest, -23 for American, and so on, but what code does it assign to itself?

Thanks in advance.
I love it when a plan comes together
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Joined: Fri Nov 24, 2000 8:04 am

RE: Boeing Aircraft Designation

Thu Apr 26, 2001 9:10 am

I don't see any pattern the first 707 the "Dash 80" was N70700, Boeing 737-300 prototype N73700 and a 777 prototype N7771, 747 prototype N7470. Not unless I'm missing something
Posts: 393
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RE: Boeing Aircraft Designation

Thu Apr 26, 2001 9:45 am

If I'm not mistaken, -*20 is Boeing's code for "house" airliners.
Topic Author
Posts: 137
Joined: Wed Apr 05, 2000 4:18 am

RE: Thanks

Thu Apr 26, 2001 11:57 pm

Thanks CX A330-342, I thought that Boeing's own designation would have been around that number somewhere. It could never have been -21 because that was Pan Am's customer code.
I love it when a plan comes together
Posts: 393
Joined: Tue Feb 22, 2000 7:54 am

RE: Boeing Aircraft Designation

Fri Apr 27, 2001 11:28 am

No problem. I just got it out of the Airliner World special on Boeing aircraft.
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Joined: Fri Oct 27, 2000 9:48 pm

RE: Boeing Aircraft Designation

Sat Apr 28, 2001 11:10 pm

The original Boeing 707 base versions offered to customers were:
707-320 (don't know what happened to -220)
which is where the Boeing house code of 20 originates.

Pan Am's 707s, being the first customer, were therefore the -121 (120+1) and -321 (320+1).
Qantas, the 18th customer, had -138 (120+18) and -338.

With the 727, and subsequent models however, the base versions were marketed as -100, -200 etc.
But to eliminate any confusion I guess the original customer designations were retained; ie, 21 for Pan Am, 38 for Qantas, etc.

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RE: Boeing Aircraft Designation

Sat Apr 28, 2001 11:35 pm

The Boeing 707-200 is called B720 by Boeing...
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Joined: Sun Apr 08, 2001 4:11 am

RE: Boeing Aircraft Designation

Sun Apr 29, 2001 1:32 am

Hi PGF - the 707-200 was an increased thrust version with 15,800 lb P+W JT4s, which were basically the civil version of the J75 engine. First flown June 11 '59, into service Dec. 20 '59. Only customer was Braniff with 5, so they were -227s, one of which was crashed on a customer acceptance flight. No other interest because the airlines were happy to wait for the turbofan version while Braniff needed some short term that could deal with the hot and high conditions on their South American routes. The other 4 went to BWIA then various other operators before being broken up between '77 and '84.

Re. the customer suffix system, after 21 to 99 were used, 01 to 19 came next then the alphanumerics. A0 to Z9, then 1A to 9Z, then double letters, AA to ZZ eventually. Not all intermediate combinations are used, for instance its A0, A1, A3, A4, A6, no A2 or A5, which I believe means there once was a customer assigned code A2 (or whatever) who then cancelled.

Regards - Musang.

RE: Boeing Aircraft Designation

Sat May 05, 2001 11:16 am

Taking the 707s, Boeing originally adopted "20" as a generic (non airline assigned) type, i.e. a 707-320 (as compared to a 707-328 for Air France).
Later, with the 727 and later, their generic types where designated i.e. as 100, 200s etc... so it is assumed that "00" is Boeing customer designation as well for airplanes build after the 707s...
Note that the "airline customer designation" is remaining with airplanes, no matter which airline reallay takes first delivery... i.e., some 707-331 were build for TWA but sold and delivered to PanAm and later times many such situations occured, i.e.Varig took delivery of 747-2L5Bs intended for Lybia... yet Varig designator is "41"...

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