AD 69-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227 | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227B | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227C | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227D | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
| aircraft | Maryland Air Industries, Inc. | FH-227E | Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft |
Unsafe Condition
A single shorted cartridge unit could render the engine fire extinguisher system inoperative.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the engine fire extinguisher systems in accordance with Fairchild Hiller Service Bulletins F27-26-5 or FH227-26-3 (dated May 16, 1968) or later FAA-approved revision, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 500 hours time in service after the effective date of this AD
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Affected Aircraft
Fairchild-Hiller Models F-27 (including F-27A, F-27B, F-27F, F-27G, F-27J, F-27M) and FH-227 (including FH-227B, FH-227C, FH-227D, FH-227E) aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Engine Fire Extinguisher
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft Subject: Engine Fire Extinguisher Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/01/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 69-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-703 AD NUMBER: 69-01-01 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft ACTION: SUMMARY: DATES: Effective February 1, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-01-01 FAIRCHILD-HILLER: Amendment 39-703. Applies to F-27 and FH-227 type airplanes. Compliance required within the next 500 hours time in service after the effective date of this AD, unless already accomplished. To preclude the possibility of rendering an engine fire extinguisher system inoperative by a single shorted cartridge unit modify the engine fire extinguisher systems in accordance with Fairchild Hiller Service Bulletins F27-26-5 or FH227-26-3 both dated May 16, 1968, as applicable, or later FAA approved revision, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective February 1, 1969. FOOTER:
Document Text
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AD Final Rules - DRS_69-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft Subject: Engine Fire Extinguisher Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/01/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 69-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-703 AD NUMBER: 69-01-01 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Models F-27 and FH-227 Aircraft ACTION: SUMMARY: DATES: Effective February 1, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-01-01 FAIRCHILD-HILLER: Amendment 39-703. Applies to F-27 and FH-227 type airplanes. Compliance required within the next 500 hours time in service after the effective date of this AD, unless already accomplished. To preclude the possibility of rendering an engine fire extinguisher system inoperative by a single shorted cartridge unit modify the engine fire extinguisher systems in accordance with Fairchild Hiller Service Bulletins F27-26-5 or FH227-26-3 both dated May 16, 1968, as applicable, or later FAA approved revision, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective February 1, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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