AD 84-23-03

final rule
Data completeness: 70%

Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Sailplanes

AD Number
84-23-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Alexander Schleicher GmbH & Co. ASK 21 Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Sailplanes

Unsafe Condition

The German language placards in the front and rear cockpit and outdated pages in the Flight Manual and Instructions for Continued Airworthiness may lead to misinterpretation or incorrect procedures.

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

Required Actions

Remove and replace German language placards with English versions per ASK-21 Technical Note No. 14. Update Flight Manual pages 2 and 21, and Instructions for Continued Airworthiness pages 2 and 59 with May 16, 1984 revisions. Pilot may perform manual page replacements with logbook entry.

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

Compliance Time

within the next 25 hours time in service after the effective date of this AD, unless already accomplished

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

Affected Aircraft

Alexander Schleicher GmbH & Co. Model ASK 21 sailplanes, all serial numbers

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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