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SAE AS1988

Revision B, February 2016

Complete Document

Air Cargo Pallet Extensions



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Product Details:

  • Revision: Revision B, February 2016
  • Published Date: February 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 16
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This SAE Aerospace Standard (AS) establishes the dimensional and operational requirements for pallet extension devices. It provides support for items of cargo beyond either the short or the long sides of a pallet, allowing increased volume to be achieved in conjunction with pallets meeting the requirements of AS1491 plus additional pallet sizes usable with extensions. 

Purpose

This document defines the minimum requirements for pallet extensions for use in the lower deck of wide-bodied aircraft as well as of standard-bodied aircraft. Extensions can have either of two airworthiness statuses, as follows. 

Non-certified

Such extensions are non-certified pallet accessories and do not require airworthiness approval. Regulatory restraint remains ensured by a standard certified pallet and net attached to it, the airworthiness approval requirements and limitations of which (maximum gross weight, maximum C.G. deviation for the whole pallet load) shall be complied with.

Pallet extensions design and strength requirements shall meet the present Aerospace Standard.

The pallet, of which one or both extensions may be removed or re-installed at will, remains designated by the IATA ID Code first letter 'P', whether or not it is fitted with extensions, and its net compatibility is not affected. 

Certified

Where a special pallet net is attached to the extension itself, the whole unit is to be airworthiness approved to guarantee it transmits the net's ultimate certification loads to the pallet, and extensions constitute together with the net parts of an approved restraint system. Approval is not within the scope of this Aerospace Standard.

The airworthiness approval parameters for the integrated pallet and extensions assembly are those of NAS 3610 Rev.10 or AS36100 [TSO C90]. In addition, the extensions design and strength requirements shall meet the present Aerospace Standard.

Such pallets with integrated extensions, also known as "winged pallets", are designated by the IATA ID Code first letter 'B' and not 'P'.

Extensions may be removed, providing the pallet remains fitted all around with track, and was approved for compatibility with standard full contour pallet nets. But their re-installation constitutes an airworthiness equipment intervention, to be handled and controlled same as a certified ULD repair.

Standard Sizes

This document defines the requirements for standard pallet extensions sizes, as were agreed by IATA in order to facilitate manufacturing, inventory control, and in-service interchangeability. See 3.2 hereafter.

Nothing, however, prevents from building extensions of different sizes, that shall meet design and strength requirements of this Aerospace Standard, but building and operating the defined standard sizes is encouraged.
AIA/NAS Aerospace Standards