AD 65-01-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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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).
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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.
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Federal Register Abstract
Flight Recorders
Applicability Source Text
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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Lockheed Aircraft Service Company Model: Flight Data Recorders Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-01-03 CITATION: [Federal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:
Document Text
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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:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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