AD 81-16-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Flug- und Fahrzeugwerke Ag | Diamant 16.5 | Airworthiness Directives; FLUG UND FAHRZEUGWERKE AG Model Diamant 16.5 and 18 Gliders |
Unsafe Condition
Wing failure due to possible inadequate bonding of the wing spar cap to the wing shear web.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a legible operating limitations placard or equivalent approved placard. Inspect, repair, and reinforce wing bonding and spar as per specified service bulletins. Remove placard after completing inspections and repairs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for placard installation. For inspections and repairs: prior to 1500 hours time in service or 50 hours after AD effective date (August 6, 1981), whichever is later, for serial 26-80; prior to 1000 hours time in service or 50 hours after AD effective date, whichever is later, for serial 11-25.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
FLUG UND FAHRZEUGWERKE AG Model Diamant 16.5 and 18 gliders, serial numbers 11 through 80.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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