msenke
Topic Author
Posts: 1
Joined: Thu Jan 05, 2012 8:00 pm

ULD Loading Positions In Aircrafts

Thu Jan 05, 2012 9:15 pm

Iis there a certain system or principle to define a loading position in an aircraft. This might be important for the sequence of the loading and unloading process.
How are loading positions defined for different types of aircrafts?
Is an international or IATA guideline existing?
 
B777LRF
Posts: 1423
Joined: Sun Nov 02, 2008 4:23 am

RE: ULD Loading Positions In Aircrafts

Thu Jan 05, 2012 10:27 pm

Yes, there is an IATA standard. That doesn't necessarily mean it's universally followed, quite the contrary actually.

IATA Standard
Main-deck: Alpha (e.g. A, B, C ... (single-row) or AL (left), AR (right), BL, BR ... (twin-row))
Lower-deck: Alpha numeric (e.g. 11, 12, 13 ... 11L, 11R, 12L, 12R ...)

Boeing Standard
Main-deck: Alpha numeric (e.g. 11, 12, 13 ... 11L, 11R, 12L, 12R ...)
Lower-deck: Alpha numeric (e.g. 11, 12, 13 ... 11L, 11R, 12L, 12R ...)
Alternative Lower-deck (A31R, A31L, B32R, B32L, C33R, C33L etc)

One of the systems causes less confusion than the other.
From receips and radials over straight pipes to big fans - been there, done that, got the hearing defects to prove
 
ha763
Posts: 3168
Joined: Mon Jan 06, 2003 5:36 pm

RE: ULD Loading Positions In Aircrafts

Sat Jan 07, 2012 1:49 am

Quoting B777LRF (Reply 1):
Boeing Standard
Main-deck: Alpha numeric (e.g. 11, 12, 13 ... 11L, 11R, 12L, 12R ...)
Lower-deck: Alpha numeric (e.g. 11, 12, 13 ... 11L, 11R, 12L, 12R ...)

Boeing standard or airline preference? It looks more like airline preference based on these 747F pictures:

Main deck alpha

Atlas Air

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Photo © Wojtek Werpachowski



Lufthansa

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Photo © Mario Aurich - AirTeamImages



Cargolux

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Photo © Luc Willems



Cathay Pacific

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Photo © Christian Junker



Main deck alpha-numeric

JAL Cargo

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Photo © Thomas Merkl



NCA

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Photo © Miguel Snoep



I don't have information on how other cargo airlines with alpha-numeric main decks number their lower deck positions, but I do know that JAL's freighters continued the alpha-numeric numbering from the last number on the main deck. So, if the last main deck position is 16L/R, then the first lower deck position is 17L/R. There was no duplication of the position numbers for the main and lower deck.

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