AD 65-01-03

final rule

Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules

AD Number
65-01-03
Status
final_rule
Effective Date
Product Category
appliance
Docket
Unknown
FR Citation
Federal Register: December 29, 1964

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Aircraft Service Company Flight Data Recorders Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules
appliance Lockheed Aircraft Service Company Flight Data Recorders Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules

Unsafe Condition

The crash survivability of the flight record in Lockheed Aircraft Service Company Models 109C and 109D Flight Recorders is insufficient due to inadequate tape cassette and latch clamp designs.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace the tape cassette with a stainless steel cassette P/N 4024570-1 for Models 109C (up to SN 882) and 109D (up to SN 135). For Models 109C up to SN 889, remove the latch clamps near the case, file edges, and install clamping ring P/N 4024582-803 or equivalent approved by FAA.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within eight months after the effective date of Amendment 39-17 (29 F.R. 18477) for part (a), and within eight months after March 24, 1966 for part (b).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Lockheed Aircraft Service Company Models 109C (serial numbers up to and including 889) and 109D (up to and including 135) Flight Recorders installed as required by applicable operating rules.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Flight Recorders

Applicability Source Text

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AD Number:
65-01-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Ap... ...Show more
Subject:
Flight Recorders
Status:
Current
Citation:
Federal Register: December 29, 1964
Citation Publish Date:
12/29/1964
Effective Date:
Make:
Lockheed Aircraft Service Company
Model:
Flight Data Recorders
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: 65-01-03
CITATION:   [Federal Register: December 29, 1964]

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-17

AD NUMBER:   65-01-03

SUBJECT HEADING:   Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
65-01-03 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 as indicated, 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) 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.

(b) Within eight months after March 24, 1966, on Model 109C, up to and including Serial Number 889, saw off near the case the two latch clamps which are to the left of the pitot pressure line connector when facing the pitot pressure line connector. File the remaining edges of the clamp to conform to the contour of the recorder case, and install Lockheed Aircraft Service Company clamping ring, P/N 4024582-803, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(Lockheed Aircraft Service Company Bulletin No. 31-12 dated April 1, 1965, covers this subject.)

This directive effective January 27, 1965.

Revised July 30, 1965.

Revised September 11, 1965.

Revised February 19, 1966.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_65-01-03.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
65-01-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Ap... ...Show more
Subject:
Flight Recorders
Status:
Current
Citation:
Federal Register: December 29, 1964
Citation Publish Date:
12/29/1964
Effective Date:
Make:
Lockheed Aircraft Service Company
Model:
Flight Data Recorders
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: 65-01-03
CITATION:   [Federal Register: December 29, 1964]

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-17

AD NUMBER:   65-01-03

SUBJECT HEADING:   Airworthiness Directives; LOCKHEED AIRCRAFT SERVICE COMPANY: Applies to Models 109C and 109D Flight Recorders Installed in Aircraft as Required by Applicable Operating Rules

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
65-01-03 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 as indicated, 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) 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.

(b) Within eight months after March 24, 1966, on Model 109C, up to and including Serial Number 889, saw off near the case the two latch clamps which are to the left of the pitot pressure line connector when facing the pitot pressure line connector. File the remaining edges of the clamp to conform to the contour of the recorder case, and install Lockheed Aircraft Service Company clamping ring, P/N 4024582-803, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(Lockheed Aircraft Service Company Bulletin No. 31-12 dated April 1, 1965, covers this subject.)

This directive effective January 27, 1965.

Revised July 30, 1965.

Revised September 11, 1965.

Revised February 19, 1966.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.