AD 47-49-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
The rudder trim tab cockpit control unit is not compliant with CAR 4b.322 regarding plane and sense of motion of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Relocate the rudder trim tab cockpit control unit to comply with CAR 4b.322.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to December 31, 1947
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serials up to and including 2088.
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Federal Register Abstract
Rudder Trim Tab Control Relocation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-49-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Rudder Trim Tab Control Relocation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-01 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-01 LOCKHEED: (Was Mandatory Note 34 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088. Compliance required prior to December 31, 1947. Relocate the rudder trim tab cockpit control unit to comply with provisions of CAR 4b.322 regarding plane and sense of motion of control. (LAC Service Instruction 49/SI-18 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-49-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Rudder Trim Tab Control Relocation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-01 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-01 LOCKHEED: (Was Mandatory Note 34 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088. Compliance required prior to December 31, 1947. Relocate the rudder trim tab cockpit control unit to comply with provisions of CAR 4b.322 regarding plane and sense of motion of control. (LAC Service Instruction 49/SI-18 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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