90-12-09 AIRSHIP INDUSTRIES: Amendment 39-6623. Docket No. 90-CE-09-AD.
Applicability: Model Skyship 600 Series (all serial numbers) airships certificated in any category.
Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.
To preclude loss of lift capability, accomplish the following:
(a) Inspect the attachment of the gaiter to the T-chest, and if double sided tape has been used, prior to further flight install a bonded reinforcement repair in accordance with the instructions specified in Airship Industries Alert Service Bulletin SB Ref 600-53-A311, dated June 10, 1989.
(b) Airships may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished.
(c) An alternate method of compliance or adjustment of the compliance time which provides an equivalent level of safety, may be approved by the Manager, Brussels Aircraft Certification Office, c/o American Embassy, APO New York 09667-1011.
NOTE: The request should be forwarded through an FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office.
All persons affected by this directive may obtain copies of the document referred to herein upon request to Airship Industries, No. 1 Hangar, Cordington, Shortstown, Bedford, England, or may examine this document at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106.
This amendment (39-6623, AD 90-12-09) becomes effective on July 9, 1990.