AD 2017-11-11
Unsafe Condition
The ADS-B unit communicates unreliable position information due to a design change that results in broadcasting a Source Integrity Level (SIL) of 3 instead of 0, despite using an uncertified Global Positioning System (GPS) source.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove, disable, or modify the ADS-B unit before further flight. Prohibit installing the affected ADS-B unit on any aircraft.
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Compliance Time
Before further flight
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Affected Aircraft
NavWorx, Inc. Automatic Dependent Surveillance Broadcast (ADS-B) Universal Access Transceiver Units, including Model ADS600-B units with part numbers 200-0012 and 200-0013, and Model ADS600-EXP units with part number 200-8013.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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