AD 91-23-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | APEX Aircraft | CAP 10 B | Airworthiness Directives; AVIONS MUDRY & CIE Model CAP10B Airplanes |
Unsafe Condition
Engine stoppage caused by air entering the inverted flight valve.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the fuel system in accordance with Avions Mudry & Cie Service Bulletin CAP10B No. 13 dated May 14, 1991. Special flight permits may be issued under FAR 21.197 and 21.199 to operate the airplane to a location where the AD requirements can be accomplished.
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Compliance Time
within the next 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
AVIONS MUDRY & CIE Model CAP10B Airplanes (serial numbers 01 through 208)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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