AD 47-25-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Swift Museum Foundation, Inc. | GC-1A | Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft |
| aircraft | Swift Museum Foundation, Inc. | GC-1B | Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft |
Unsafe Condition
Collapsing of the carburetor flexible air duct when the carburetor air heater is used.
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Required Actions
Remove the carburetor flexible air duct P/N 11-440-3405 and metal air intake scoop. Replace with flexible air duct P/N 11-440-3648 and elbow P/N 11-440-3729.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to August 1, 1947
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Affected Aircraft
Globe Models GC-1A and GC-1B Aircraft, serial numbers 3 to 157 inclusive and number 159.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Carburetor Flexible Air Duct
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-25-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-25-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft Subject: Carburetor Flexible Air Duct Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Swift Museum Foundation, Inc. Model: GC-1A | GC-1B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-25-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-25-06 SUBJECT HEADING: Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-25-06 GLOBE: (Was Mandatory Note 10 of AD-766-5.) Applies to Models GC-1A and GC-1B Aircraft Serial Numbers 3 to 157 Inclusive, and Number 159. Compliance required prior to August 1, 1947. Remove the carburetor flexible air duct, P/N 11-440-3405 and metal air intake scoop, at point of attachment at rear right engine cylinder and outboard connection to the right exhaust heater shroud. Replace with flexible air duct, Globe P/N 11-440-3648, and elbow, Globe P/N 11- 440-3729. This is necessary to prevent collapsing of the air duct when the carburetor air heater is used. (Globe Customer Service Maintenance Bulletin No. 5 covers this same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_47-25-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-25-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft Subject: Carburetor Flexible Air Duct Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Swift Museum Foundation, Inc. Model: GC-1A | GC-1B Product Type: Aircraft Product Subtype: Small 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: 47-25-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-25-06 SUBJECT HEADING: Airworthiness Directives; Globe Models GC-1A and GC-1B Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-25-06 GLOBE: (Was Mandatory Note 10 of AD-766-5.) Applies to Models GC-1A and GC-1B Aircraft Serial Numbers 3 to 157 Inclusive, and Number 159. Compliance required prior to August 1, 1947. Remove the carburetor flexible air duct, P/N 11-440-3405 and metal air intake scoop, at point of attachment at rear right engine cylinder and outboard connection to the right exhaust heater shroud. Replace with flexible air duct, Globe P/N 11-440-3648, and elbow, Globe P/N 11- 440-3729. This is necessary to prevent collapsing of the air duct when the carburetor air heater is used. (Globe Customer Service Maintenance Bulletin No. 5 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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