AD Amdt-39-10518

final rule
Data completeness: 70%

Airworthiness Directives; Alexander Schleicher Segelflugzeugbau Model ASK 21 Sailplanes

AD Number
Amdt-39-10518
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-CE-103-AD
FR Citation
63 FR 26425

Unsafe Condition

Inaccurate weight and balance information in the sailplane flight manual could lead to hazardous flight conditions.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the sailplane flight manual's weight and balance information to ensure accuracy.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

Alexander Schleicher Model ASK 21 sailplanes with certain modifications installed.

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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View Official Source ↗