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c.g. shift on freighter aircraft

c.g. shift on freighter aircraft

c.g. shift on freighter aircraft

(OP)
Hi All

I am working on a freighter floor and have to account for c.g. shift of the contents of the contains. Do I use 5%, 10% or other. Also, do I have to account for adjacent containers shifting in different directions. Is there and certificating authority guidance on this.
Any information would be appreciated.

Thanks
CS

RE: c.g. shift on freighter aircraft

There are no regulations relating to this that I know of.  You need to be conservative and take into account the potential for shifting.  This depends a lot on the design of the restriant systems and the loading instructions.  I am aware of an FAA rule of thumb being 5%.  At the end of the day you have to justify your choice.

Nigel Waterhouse B Eng (Hon's)
Can-Am Aerospace,LLC, Canadian Aircraft Certification Centre
www.canamaero.com

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