AD 52-12-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46A | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46D | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46F | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46R | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46E | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46/CW20-T | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | Super C-46/CW20-T | CURTISS-WRIGHT Model C-46 Series Aircraft |
Unsafe Condition
The main passenger cabin door locking means lacks both internal and external handles, preventing emergency opening from either side.
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Required Actions
Equip the main passenger cabin door locking means with both internal and external handles to allow emergency opening from inside or outside. Modify aircraft not already compliant.
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Compliance Time
by September 1, 1952
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Affected Aircraft
Curtiss-Wright Model C-46 Series aircraft used for air carrier passenger operation under CAR Part 42
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Federal Register Abstract
Passenger Cabin Door
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_52-12-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-12-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CURTISS-WRIGHT Model C-46 Series Aircraft Subject: Passenger Cabin Door Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Air...Show more Model: C-46A | C-46D | C-46F | C-46R | C-46E | C-46/CW20-T | Super C-46/CW20-T 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: 52-12-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-12-02 SUBJECT HEADING: CURTISS-WRIGHT Model C-46 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-12-02 CURTISS-WRIGHT: Applies to all Model C-46 Series aircraft operated under CAR Part 42. Compliance required as indicated. In accordance with CAR 42.11 and to comply with air carrier standards, the main passenger cabin door locking means on all C-46 aircraft used for air carrier passenger operation must be equipped with both internal and external handles so that the door can be opened from either inside or outside in case of emergency. Aircraft not so equipped must be modified to comply by September 1, 1952. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_52-12-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-12-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CURTISS-WRIGHT Model C-46 Series Aircraft Subject: Passenger Cabin Door Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Air...Show more Model: C-46A | C-46D | C-46F | C-46R | C-46E | C-46/CW20-T | Super C-46/CW20-T 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: 52-12-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-12-02 SUBJECT HEADING: CURTISS-WRIGHT Model C-46 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-12-02 CURTISS-WRIGHT: Applies to all Model C-46 Series aircraft operated under CAR Part 42. Compliance required as indicated. In accordance with CAR 42.11 and to comply with air carrier standards, the main passenger cabin door locking means on all C-46 aircraft used for air carrier passenger operation must be equipped with both internal and external handles so that the door can be opened from either inside or outside in case of emergency. Aircraft not so equipped must be modified to comply by September 1, 1952. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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