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Airworthiness Directive

AD 98-06-37 63 FR 13507 Active

Federal Aviation Administration · 14 CFR part 39

Requires replacing any tow release cable assembly that does not have a swivel-type end with a cable assembly that does have a swivel-type end.

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FR document
98-7249
Amendment
39-10416
Published
1998-03-20
Effective
1998-04-28
Models covered
1

Last live check: 2026-08-19

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AD

98-06-37

FR doc 98-7249 · 63 FR 13507

AD 98-06-37Published 1998-03-20Effective 1998-04-28

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires replacing any tow release cable assembly that does not have a swivel-type end with a cable assembly that does have a swivel-type end.

Full official abstract

This amendment adopts a new airworthiness directive (AD) that applies to certain Alexander Schleicher Segelflugzeugbau (Alexander Schleicher) Model ASK-21 sailplanes. This AD requires replacing any tow release cable assembly that does not have a swivel-type end with a cable assembly that does have a swivel-type end. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The actions specified by this AD are intended to prevent the inability to release the tow rope because of the design of the cable assembly, which could result in loss of control of the sailplane during towing operations.

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Applies to 1 model in our index