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World Airlines and Supplier Guide (WASG)

Product Code 23326
Revision 2023.1
Shipping & Handling Shipping Details

FormatA4A memberNon-member 
PDF (single-user)$194.00$263.00 Add to Cart (for purchase or quote)
PDF (multi-user)$373.00$515.00 Add to Cart (for purchase or quote)


This document describes guidelines for common product support practices between airlines and suppliers. Contents include special responsibilities of airframe and engine manufacturers, general terms agreements, provisioning, inventory policies, pricing, value analysis, order administration, packaging and transportation, invoicing, warranties and guarantees, simulators, manufacturers' technical data and traceability of aircraft/engine parts to meet regulatory requirements.

Highlights for this revision include:

  • Updated multiple Spec 2000 references to individual documents.
  • Added references to Spec 2000 Gen 2 Procurement, ATA Spec 2000 Work Package, ATA Spec 2300 Flight Operations, ATA Spec 2400 Allowable Configuration and ATA Spec 2500, Aircraft Transfer Records.
  • Updated references to S1000D to also include ATA Spec 1000BR references.
  • Added several new terms to the glossary and removed those that are redundant with the ATA CSDD.
  • Made multiple corrections.
  • Updated several regulatory references


Members of the ATA e-Business Program have access to this specification and all other ATA e-business specifications for free. To learn more about the cost and benefits of membership or to get involved in the standards development process, go to http://www.ataebiz.org.

Policies contained within the WASG do not substitute for a General Terms Agreement (GTA) between trading partners.

Revision History
2023.1, 2015.1, 2000.1, 1994, 1964 (Original Issue)

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