AD 2002-06-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Various | Transport Category | Airworthiness Directives; Various Transport Category Airplanes Equipped With Air Traffic Control (ATC) Transponders Manufactured by Rockwell Collins, Inc. |
Unsafe Condition
Malfunctioning Mode C ATC transponders manufactured by Rockwell Collins, Inc., may transmit inaccurate altitude data to nearby TCAS II-equipped airplanes, potentially causing erroneous resolution advisories.
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Required Actions
Test each transponder; replace parts in any transponder failing the initial test with new parts and perform additional tests; make necessary repairs to ensure the transponder passes the test.
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Compliance Time
Not specified in the provided text.
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Affected Aircraft
Various transport category airplanes equipped with certain Mode C ATC transponders manufactured by Rockwell Collins, Inc.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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