AD 91-08-04

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AD Number:
91-08-04
Document Type:
AD Final Rules
Docket Number:
90-ANE-14
Subject Heading:
Airworthiness Directives; AVIATECH INC.: Applicability: Aviatech Inc., TSO-C39a Pilot and Co-Pilo...Show more
Subject:
Pilot and Co-Pilot Seats
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/06/1991
Make:
Aviatech Inc. | Bombardier Inc.
Model:
Pilot and Co-Pilot seats | DHC-8-101 | DHC-8-102 | DHC-8-103 | DHC-8-106 | DHC-8-201 | DHC-8-202 | D...Show more
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 91-08-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-ANE-14

AMENDMENT:   39-6925

AD NUMBER:   91-08-04

SUBJECT HEADING:   Airworthiness Directives; AVIATECH INC.: Applicability: Aviatech Inc., TSO-C39a Pilot and Co-Pilot Seats Model 394

ACTION:  

SUMMARY:  

DATES:   Effective May 6, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-08-04 AVIATECH INC.: Amendment 39-6925. Docket No. 90-ANE-14.

Applicability: Aviatech Inc., TSO-C39a Pilot and Co-Pilot seats Model 394 series as follows: Affected Pilot and Co-Pilot seats Part Numbers (P/N), 394 (000) 01,-02, -03, -04, -05, -06, and 394-(001) -01, -02, -03, -04,-05, -06, installed on, but not limited to, Boeing of Canada, Ltd., deHavilland Division, Model DHC-8.

Compliance: Required within the next 90 days after the effective date of this AD, unless already accomplished.

To prevent the pilot and co-pilot shoulder harness from becoming excessively worn and frayed, which could result in failure of the shoulder harness, accomplish the following:

(a) Inspect the pilot and co-pilot seats to determine if any of the above P/Ns are inscribed on the FAA - TSO-C39a tag.

(b) Modify all seats with any of the above P/Ns by incorporating the Aviatech Inc. Kit No. 394-25-002, which requires installing new backrest cushion-covers and a roller-guide for the shoulder harness, in accordance with Aviatech Service Bulletin No. 2, Model 394, Revision A, dated March 1, 1990 (Paragraph 2, Accomplishment Instructions).

(c) Special flight permits may be issued in accordance with the provisions of FAR 21.197 and 21.199 to a base where the AD can be accomplished.

(d) Upon submission of substantiating data by an owner or operator through an FAA Airworthiness Inspector, an alternate method of compliance with the requirements of this AD or adjustments to the compliance specified in this AD may be approved by the Manager, New York Aircraft Certification Office, Engine & Propeller Directorate, Aircraft Certification Service, FAA, 181 South Franklin Avenue, Room 202, Valley Stream, New York 11581.

The modifications and installation procedures shall be done in accordance with the following Aviatech Service Bulletin (SB):

DOCUMENT NO.	PAGE NO.	ISSUE/REVISION	DATE
Aviatech Inc.	1, 2, 4, 8, 10	Rev. A	March 1, 1990
SB No. 2	3, 5, 6, 7, 9, 11	Original	June 29, 1989

The incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Aviatech Inc., 2400 Guenette Street, St. Laurent, Quebec, Canada H4R 2H2. Copies may be inspected at the FAA, New England Region, Office of the Assistant Chief Counsel, 12 New England Executive Park, Room 311, Burlington, Massachusetts, or at the Office of the Federal Register, 1100 L Street, NW, Room 8401, Washington, DC.

This amendment (39-6925, AD 91-08-04) becomes effective on May 6, 1991. AVIATECH 1


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