ARIR421: GUIDANCE FOR STANDARD SUBDIVISION OF ATA SPEC. 100 FOR NUMBERING SYSTEM FOR AVIONICS - SAE International
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Current 1971-10-06

GUIDANCE FOR STANDARD SUBDIVISION OF ATA SPEC. 100 FOR NUMBERING SYSTEM FOR AVIONICS ARIR421

This guidance standard was prepared in response to a need stated by air transport operators for uniformity in further subdividing the ATA Spec. 100 number system to better accommodate avionics systems. The ATA numbers are widely used in the maintenance community for inventory control, instruction manuals and equipment modification Service Bulletins.

ARIR421
1971-10-06
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