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FAA AIRWORTHINESS DIRECTIVE

 

65-1-3. Lockheed Aircraft Service Company Amdt. 39-17 Part 39 Federal Register December 29, 1964. Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules.

Compliance required within eight months after the effective date of this AD, unless already accomplished.

To improve the crash survivability of the flight record, modify the Lockheed Aircraft Service Company flight recorder Models 109C and 109D as follows:

(a) On Model 109C serial numbers up to and including Serial Number 882 and Model 109D up to and including Serial Number 135, replace the tape cassette with a Lockheed Aircraft Service Company stainless steel cassette P/N 4024570-1.

This directive effective January 27, 1965.

 

Revision Lockheed Aircraft Service Company Amdt. 39-135 Part 39 Federal Register September 11, 1965.

Revise AD 65-1-3, Models 109C and 109D flight recorders, by deleting paragraph (b).

This amendment effective September 11, 1965.

 

Revision Lockheed Aircraft Service Company Amdt. 39-196 Part 39 Federal Register February 19, 1966.

Revise AD 65-1-3, Models 109C and 109D flight recorders, by:

1. Changing the compliance statement to read.

Compliance required as indicated, unless already accomplished.

2. Changing paragraph (a) to read:

(a) Within eight months after the effective date of Amendment 39-17 (29 F. R. 18477), on Model 109C, serial numbers up to and including Serial Number 882 and Model 109D up to and including Serial Number 135, replace the tape cassette with a Lockheed Aircraft Service Company stainless steel cassette P/N 4024570-1.