AD Amdt-39-8787

final rule
Data completeness: 60%

Airworthiness Directives: Allied Signal Aerospace Company, Air Transport Avionics (Formerly Bendix/King Air Transport Avionics Division) Traffic Alert and Collision Avoidance System II Processors

AD Number
Amdt-39-8787
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Federal Register: January 5, 1994
FR Citation
59 FR 509

Unsafe Condition

Incompatibility between TCAS II processors and the current air traffic control system may cause collisions or near misses.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace existing TCAS II processors with new processors incorporating updated computer logic.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Allied Signal Aerospace Company, Air Transport Avionics TCAS II processors installed on aircraft.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗