AD 2011-08-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120, -120ER, -120FC, -120QC, and -120RT Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120, -120ER, -120FC, -120QC, and -120RT Airplanes |
Unsafe Condition
Some fuel quantity probes may fail during the airplane life, leading to an erroneous fuel quantity indication to the crew. This erroneous indication may lead to the airplane being operated with less fuel than indicated, which may result in an uncommanded in-flight shutdown of one or both engines due to fuel starvation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel quantity probes and related systems, including the master fuel quantity indicator and repeater indicator. Replace defective components such as the measuring stick, magnetic float, master fuel quantity indicator, and repeater indicator as applicable. Inspect tank units for contamination, corrosion, and component integrity, repairing or replacing as necessary. Inspect system wiring for condition and continuity. Correct the fuel quantity indication system as applicable.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 600 flight hours or 180 days after the effective date of the AD.
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Affected Aircraft
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120, -120ER, -120FC, -120QC, and -120RT airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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