AD 66-30-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | FH1100 Manufacturing Corporation | FH-1100 | Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters |
Unsafe Condition
Failure of the Bendix main engine drive shaft, which occurred with less than 15 hours total time on the shaft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the Bendix main engine drive shaft P/N 19E49-4 and install Bendix shaft P/N 19E49X3 or 19E49-3 or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region, Los Angeles, California.
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Compliance Time
before further flight
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Affected Aircraft
Fairchild Hiller Model FH-1100 Helicopters with Bendix main engine drive shaft P/N 19E49-4.
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Federal Register Abstract
Main Engine Drive Shaft
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-30-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-30-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters Subject: Main Engine Drive Shaft Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/20/1966 Make: FH1100 Manufacturing Corporation Model: FH-1100 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 66-30-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-327 AD NUMBER: 66-30-05 SUBJECT HEADING: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective December 20, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-30-05 FAIRCHILD-HILLER: Amdt. 39-327 Part 39 Federal Register December 20, 1966. Applies to Model FH-1100 Helicopters. Compliance required before further flight. As a result of three failures of the Bendix main engine drive shaft, each of which occurred with less than 15 hours total time on the shaft, remove the Bendix main engine drive shaft P/N 19E49-4 and install Bendix shaft P/N 19E49X3 or 19E49-3 or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region, Los Angeles, California. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated December 14, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-30-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-30-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters Subject: Main Engine Drive Shaft Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/20/1966 Make: FH1100 Manufacturing Corporation Model: FH-1100 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 66-30-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-327 AD NUMBER: 66-30-05 SUBJECT HEADING: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective December 20, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-30-05 FAIRCHILD-HILLER: Amdt. 39-327 Part 39 Federal Register December 20, 1966. Applies to Model FH-1100 Helicopters. Compliance required before further flight. As a result of three failures of the Bendix main engine drive shaft, each of which occurred with less than 15 hours total time on the shaft, remove the Bendix main engine drive shaft P/N 19E49-4 and install Bendix shaft P/N 19E49X3 or 19E49-3 or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region, Los Angeles, California. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated December 14, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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