- Effective
- July 25, 1985
- Model
- ASK 21
- Data sheet
- TCDSG47EU
- Registered aircraft
- 69 matched by model
- Product
- Aircraft · Glider
- Amendment
- 39-5097
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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| FAA DRS HTML | 22 KB | cae42626…6278620 | FAA DRS (API key needed) |
On this page
The airworthiness directive
85-06-07 ALEXANDER SCHLEICHER: Amendment 39-5097. Applies to Model ASK-21 Gliders, S/Ns 21194 through 21228, certificated in all categories.
Compliance is required prior to next flight.
To prevent the main wheel fairing from (1) causing structural damage to the fuselage wheel well box cutout and (2) loosening a rib during a hard landing causing aileron control problems, accomplish the following:
Inspect the wheel box cutout in the fuselage for clearance, and modify if necessary, in accordance with Actions 1 through 5 of Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, or an FAA-approved equivalent.
Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Brussels Aircraft Certification Office, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium, telephone 513.38.30 X27l0.
Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a) (1). All persons affected by this directive who have not already received this document from the manufacturer may obtain copies upon request to Alexander Schleicher, Segelflugzeugbau, D-6416 Poppenhausen, Federal Republic of Germany. This document also may be examined at the Office of the Regional Counsel, Federal Aviation Administration, 12 New England Executive Park, Burlington, Massachusetts 01803, weekdays, except Federal holidays between the hours of 8:00 am. and 4:30 pm.
This amendment becomes effective July 25, 1985, to all persons except those persons to whom it was made immediately effective by Priority Letter AD No. 85-06-07, issued March 26, 1985, which contained this amendment.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 69
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1982 | 2 |
|---|---|
| 1983 | 4 |
| 1984 | 8 |
| 1985 | 2 |
| 1986 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2005 | 2 |
| 2006 | 3 |
| 2008 | 2 |
| 2009 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
16 with no year recorded