AD 75-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta S.p.A. | Calif A21 | Airworthiness Directives; Caproni Vizzola Costruzioni Aeronautiche S.p.A Caproni Calif A-21 Series Glider |
| aircraft | Agusta S.p.A. | Calif A21S | Airworthiness Directives; Caproni Vizzola Costruzioni Aeronautiche S.p.A Caproni Calif A-21 Series Glider |
Unsafe Condition
Aileron flutter
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install an operating limitations placard near the airspeed indicator, inspect aileron control driving cones for cleanliness, inspect aileron system for free play (rerig if exceeding 3 MM), and perform recurring inspections at intervals not exceeding 50 hours time in service. Replace ailerons with specified parts based on serial numbers to discontinue inspections.
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Compliance Time
Within the next 10 hours time in service after the effective date of this AD
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Affected Aircraft
Caproni Vizzola Costruzioni Aeronautiche S.p.A. Calif A-21 series gliders, serial numbers 201, 202, 204 and subsequent
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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