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Numbers On Landing Gear Door  
User currently offlineAirbus380 From , joined Dec 1969, posts, RR:
Posted (14 years 11 months 1 week 6 days 4 hours ago) and read 4087 times:

I was spotting at DEN and couldn't get a clear read on a United 737 Reg. Number. But on the front gear door there was the number 1303. Does anyone know what this stands for? Thanks!


8 replies: All unread, jump to last
User currently offlineBaec777 From United States of America, joined Oct 1999, 1231 posts, RR: 1
Reply 1, posted (14 years 11 months 1 week 6 days 4 hours ago) and read 4065 times:

The numbers u see on the nose-gear doors are the shipping number of the plane delivered to the airlines from the manufacturers.

Baec777  Smokin cool

User currently offlineIFlyADesk From United States of America, joined Mar 2001, 309 posts, RR: 0
Reply 2, posted (14 years 11 months 1 week 6 days 3 hours ago) and read 4058 times:

Shipping Number? HAHAHAHAHAHA WRONG. Each airline has their own method of numbering their fleet. UA can get complicated. In this case of 1303 it is most likely 737-322 N303UA.

User currently offlineDeltAirlines From United States of America, joined May 1999, 9027 posts, RR: 11
Reply 3, posted (14 years 11 months 1 week 6 days 3 hours ago) and read 4050 times:

The number/letter (if your not in the US) is the plane's ship number. THe airline assigns a number to each plane. For example, N303DL is a Delta 737-232. The registration is on the fuselage, but on the tip of the tail and on the landing gear door is the number 303. G-VIIC (BA 777-236) has IC on its landing gear door and tail tip. Some airlines have them in different places (ie the new DL, BA colours don't have the numbers at the tip) but have them on the door. The number gives the airline another way of easy identification (the number is also used on logbooks, etc.)


User currently offlineCrosswind From United Kingdom, joined Nov 2000, 2650 posts, RR: 56
Reply 4, posted (14 years 11 months 1 week 6 days 3 hours ago) and read 4039 times:
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US carriers use fleet numbers on the nosegear door, which generally bear no relationship to the registration number.

European airlines, and most of the rest of the world, generally place the last 2 letters of the registration on the nosegear door.

Many airlines also place a small "ETOPS" designation on the nosegear doors of aircraft that are certified to operate such flights.


User currently offlineRamprat From Canada, joined Apr 2000, 188 posts, RR: 1
Reply 5, posted (14 years 11 months 1 week 5 days 22 hours ago) and read 4002 times:

Air Canada has fin numbers for their aircraft. Each type of aircraft has a range.
747 combi's are 341,42,43 ex-CP 381,82,84,85
320's- 201-232 ex-CP 401-416
319's- 251-28? 737's 500 series
DC-9's- 700 series F-28's- 100 BAE-146's-200 series
767's-600 series Dash8's 800/300 series.
A-340's-901-910&981/82 A-330's-931-936

One of these numbers will appear on the tail and front gear doors of AC aircraft with the registration on the fuselage.

User currently offlineDexter From Austria, joined Jul 2000, 261 posts, RR: 1
Reply 6, posted (14 years 11 months 1 week 5 days 11 hours ago) and read 3974 times:

The number is the UA fleet number and the aircraft you saw was B737-300 N303UA. Another version of the fln is 9303 (this is what they put in jp at least)

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Photo © James Reppucci

User currently offlineRw774477 From United States of America, joined Feb 2001, 1117 posts, RR: 0
Reply 7, posted (14 years 11 months 1 week 5 days 11 hours ago) and read 3970 times:


cool it. nobody is perfect on this forum.

we all learn something here, even the most experienced of us


User currently offlineSonic99 From , joined Dec 1969, posts, RR:
Reply 8, posted (14 years 11 months 1 week 5 days 8 hours ago) and read 3958 times:

Even easier yet from Air Canada, take a look at their fleet site. A welcome addition to any airline website - at least someone at Air Canada seemed to realize that the flying public and spotters alike would be interested in the a/c type they see based on the tail number. Can't say that much about other airlines around the world.




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