AD 47-32-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B Airplanes |
Unsafe Condition
The main rotor mast spinner assembly may become loose during flight and jam the mast control tubes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the main rotor mast spinner assembly from all Model 47B helicopters to eliminate the possibility of it jamming the mast control tubes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before next flight
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Affected Aircraft
Scotts-Bell 47 Inc Model 47B helicopters
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Rotor Mast Spinner
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-32-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-32-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B Airplanes Subject: Main Rotor Mast Spinner Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-32-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-32-05 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-32-05 BELL: (Was Mandatory Note 5 of AD-1H-1.) Applies to Model 47B. Compliance required before next flight. Remove the main rotor mast spinner assembly from all Model 47B helicopters, in order that the possibility of its jamming the mast control tubes, in the event it becomes loose during flight, is eliminated. (Bell Service Bulletin 47C38 dated May 15, 1947, also covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-32-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-32-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B Airplanes Subject: Main Rotor Mast Spinner Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-32-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-32-05 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-32-05 BELL: (Was Mandatory Note 5 of AD-1H-1.) Applies to Model 47B. Compliance required before next flight. Remove the main rotor mast spinner assembly from all Model 47B helicopters, in order that the possibility of its jamming the mast control tubes, in the event it becomes loose during flight, is eliminated. (Bell Service Bulletin 47C38 dated May 15, 1947, also covers this same subject.) 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.
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