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Aircraft Wheels Numbering System

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Aircraft Wheels Numbering System

Old 11th Aug 2012, 15:42
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Aircraft Wheels Numbering System

During aircraft firefighting operations we are required to inform and relay to the flight crew problems affecting the aircraft gears. We usually number the wheels from front to back and left to right. Could you please indicate where we could find some technical information on wheels numbering system?

Thank you.
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Old 11th Aug 2012, 16:23
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Left to Right, Front or rear. 1-2-3-4-etc.

1-2-3-4 front or 1-2-3-4 rear if airplane has a four wheel truck or more.

Not sure it is written down anywhere but manuals are written that way.
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Old 11th Aug 2012, 16:51
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Airbus A330-200.....main gear bogie looking forward from tail to nose and left to right the front wheels are 1:2:3:4 and the rear wheels are 5:6:7

If I knew how to copy a PDF diagram I would put a nice picture here as well.
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Old 11th Aug 2012, 16:52
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Why has my typed in number eight (8) done that????
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Old 11th Aug 2012, 17:23
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left to right front to back aft looking forward.

except Boeing and Airbus do it differently!

B747
1 2 -----------13 14
3 4 5 6---9 10-15 16
----7 8--11 12

A330
1 2 3 4
5 6 7 8
Keep it simple as half the crews don't know how they are numbered!

We often get left front right body gear, instead of 9.

Last edited by spannersatcx; 11th Aug 2012 at 17:29.
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Old 11th Aug 2012, 18:44
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Originally Posted by Dave Clarke Fife
Why has my typed in number eight (8) done that????
It is caused by typing the colon : and putting it next to an 8. Is a vBulletin PITA. Put a space between the : and the 8 and it doesn't happen or : 8 (note the space).
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Old 11th Aug 2012, 19:36
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Thanks Biggles 78........life and PPRUNE are a never ending source of learning and joy to me. Appreciate your prompt assistance
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Old 12th Aug 2012, 11:11
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Boeing 757 767 Main Gear


1 2 3 4
5 6 7 8

But not sure where it is 'written down' in any Manuals available to Flight Crew (Pilots).
Any one taken a look in Maintainence Manuals?
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Old 12th Aug 2012, 22:01
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So how are the A380 wheels numbered, and come to that what about the A340 variants?
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Old 12th Aug 2012, 22:34
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Like this.

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Old 13th Aug 2012, 23:57
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B777

13 14


1 2 3 4
5 6 7 8
9 10 11 12

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Old 13th Jan 2013, 21:47
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Sorry for the blank one but I don't have the information yet

Tyre positions

MD11

11[] []12


1[] []2 5[] []6
3[] []4 9[] []10 7[] []8

---------------------------------------
A380

N1 [] [] N2

⬇ Wing ⬇

W1 [] [] W2 W3 [] [] W4
W5 [] [] W6 W7 [] [] W8
W9 [] [] W10 W11 [] [] W12
W13 [] [] W14 W15 [] [] W16
W17 [] [] W18 W19 [] [] W20

⬆ Body ⬆
---------------------------------------
747

17 [] [] 18


1 [] [] 2 13 [] [] 14
3 [] [] 4 5 [] [] 6 9 [] [] 10 15 [] [] 16
7 [] [] 8 11 [] [] 12

---------------------------------------
A300, A330

[] []


[] [] [] []
[] [] [] []

---------------------------------------
A319, A320, A321

N1 [] [] N2


W1 [] [] W2 W3 [] [] W4

--------------------------------------
757, 767

9 [] [] 10


1 [] [] 2 3 [] [] 4
5 [] [] 6 7 [] [] 8

---------------------------------------
777

13 [] [] 14


1 [] [] 2 3 [] [] 4
5 [] [] 6 7 [] [] 8
9 [] [] 10 11 [] [] 12

---------------------------------------
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Old 13th Jan 2013, 22:49
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The wheels are in the right place when I type this above, but comes out like this when I click done
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Old 13th Jan 2013, 23:17
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The Mighty C-5

NW: left to right it was 1,2,3,4

Mains:

Bogies numbered: FWD pair 1 and 2
AFT pair 3 and 4

On each bogie: FWD pair was A, AFT Left was B, AFT Right was C; left was 1, right was 2.

Sooooo.....a left aft bogie, forward pair, right tire (tyre?) was the 3A2

Sad, I remember such trivia...

Last edited by galaxy flyer; 13th Jan 2013 at 23:19.
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Old 15th Jan 2013, 21:07
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Compiling the above and what I know, the best generic is left to right first and then the aft mains counting first then body or center in the same respect.
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Old 16th Jan 2013, 03:16
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soooo...Ottowa,

personally, I would go back to the ground vehicle nomenclature you are all used to, and just add more numbers...

perhaps the one that is smoking red hot with flames works as well...
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