AD 87-11-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Glasflugel | Kestrel | Airworthiness Directives; GLASFLUGEL Model Kestrel Gliders |
Unsafe Condition
Failure of the rudder actuating arm, P/N 301-45-10, which could result in the glider becoming uncontrollable.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 10 hours time-in-service after the effective date, visually inspect the rudder actuating arm using a 10 power or greater magnifying glass for cracks. If a cracked arm is found, replace it with a serviceable arm, new P/N 301-45-13, before further flight. By July 31, 1987, replace any unaddressed arm with the new part.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours time-in-service after the effective date of this AD, unless compliance with paragraph (c) has been accomplished. Prior to July 31, 1987.
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Affected Aircraft
Glasflugel Model Kestrel gliders, all serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rudder Actuating Arm
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_87-11-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-11-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GLASFLUGEL Model Kestrel Gliders Subject: Rudder Actuating Arm Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/29/1987 Make: Glasflugel Model: Kestrel Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 87-11-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5618 AD NUMBER: 87-11-04 SUBJECT HEADING: Airworthiness Directives; GLASFLUGEL Model Kestrel Gliders ACTION: SUMMARY: DATES: Effective May 29, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-11-04 GLASFLUGEL: Amendment 39-5618. Applies to Model Kestrel gliders, all serial numbers, certificated in any category. Compliance is required as indicated unless already accomplished. To prevent the failure of the rudder actuating arm, P/N 301-45-10, which could result in the glider becoming uncontrollable, accomplish the following: (a) Within the next 10 hours time-in-service after the effective date of this AD, unless compliance with paragraph (c) has been accomplished, visually inspect the rudder actuating arm, P/N 301-45-10, using a 10 power or greater magnifying glass, for cracks. (b) If a cracked arm is found during the inspection required by paragraph (a) of this AD, before further flight, replace the rudder actuating arm with a serviceable arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986. (c) Prior to July 31, 1987, replace any rudder actuating arm, not replaced in accordance with paragraph (b) of this AD, with a serviceable rudder actuating arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986. 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, Federal Aviation Administration, c/o American Embassy, 15 Rue de la Loi B-1040 Brussels, Belgium; telephone 513.38.30 ext. 2710 or the Manager, New York Aircraft Certification Office, Federal Aviation Administration, New England Region, 181 South Franklin Avenue, Room 202, Valley Stream, New York 11581; telephone 516-791-6680. Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the Manager, Brussels Aircraft Certification Office or the Manager, New York Aircraft Certification Office, may adjust the compliance time specified in this AD. Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986, identified and described in this document, 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 these documents from the manufacturer may obtain copies upon request to Hansjorg Streifeneder, Glasfaser Flugzeugbau, Hofaner Weg, D-7431 Grabenstetten, Germany; telephone no. (07382) 1032. This document also may be examined at the Office of Regional Counsel, ANE-7, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803, Room 311, Rules Docket 87-ANE-11, between the hours of 8:00 a.m. and 4:30 p.m.; Monday through Friday, except federal holidays. This amendment, 39-5618, becomes effective on May 29, 1987. FOOTER:
Document Text
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AD Final Rules - DRS_87-11-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-11-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GLASFLUGEL Model Kestrel Gliders Subject: Rudder Actuating Arm Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/29/1987 Make: Glasflugel Model: Kestrel Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 87-11-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5618 AD NUMBER: 87-11-04 SUBJECT HEADING: Airworthiness Directives; GLASFLUGEL Model Kestrel Gliders ACTION: SUMMARY: DATES: Effective May 29, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-11-04 GLASFLUGEL: Amendment 39-5618. Applies to Model Kestrel gliders, all serial numbers, certificated in any category. Compliance is required as indicated unless already accomplished. To prevent the failure of the rudder actuating arm, P/N 301-45-10, which could result in the glider becoming uncontrollable, accomplish the following: (a) Within the next 10 hours time-in-service after the effective date of this AD, unless compliance with paragraph (c) has been accomplished, visually inspect the rudder actuating arm, P/N 301-45-10, using a 10 power or greater magnifying glass, for cracks. (b) If a cracked arm is found during the inspection required by paragraph (a) of this AD, before further flight, replace the rudder actuating arm with a serviceable arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986. (c) Prior to July 31, 1987, replace any rudder actuating arm, not replaced in accordance with paragraph (b) of this AD, with a serviceable rudder actuating arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986. 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, Federal Aviation Administration, c/o American Embassy, 15 Rue de la Loi B-1040 Brussels, Belgium; telephone 513.38.30 ext. 2710 or the Manager, New York Aircraft Certification Office, Federal Aviation Administration, New England Region, 181 South Franklin Avenue, Room 202, Valley Stream, New York 11581; telephone 516-791-6680. Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the Manager, Brussels Aircraft Certification Office or the Manager, New York Aircraft Certification Office, may adjust the compliance time specified in this AD. Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986, identified and described in this document, 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 these documents from the manufacturer may obtain copies upon request to Hansjorg Streifeneder, Glasfaser Flugzeugbau, Hofaner Weg, D-7431 Grabenstetten, Germany; telephone no. (07382) 1032. This document also may be examined at the Office of Regional Counsel, ANE-7, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803, Room 311, Rules Docket 87-ANE-11, between the hours of 8:00 a.m. and 4:30 p.m.; Monday through Friday, except federal holidays. This amendment, 39-5618, becomes effective on May 29, 1987. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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