AD 65-19-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Air & Space America, Inc. | 18A | Airworthiness Directives; Air and Space Model 18A Gyroplanes |
Unsafe Condition
Failure of main rotor blade retention bolts while supporting the blade near the tip to prevent contact with the droop stops.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace three main rotor blade retention bolts, P/N RO-U18-2136-11, and nuts, P/N MS-20364-1614, with new bolts and nuts furnished by the manufacturer after August 4, 1965, and torque the nuts to 45-50 foot pounds dry thread torque value.
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Compliance Time
before further flight unless already accomplished
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Affected Aircraft
Air & Space America, Inc. Model 18A Gyroplanes, Serial Numbers 18-7 through 18-28.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Rotor Blade Retention Bolts
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_65-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Air and Space Model 18A Gyroplanes Subject: Main Rotor Blade Retention Bolts Status: Current Citation: Federal Register: August 25, 1965 Citation Publish Date: 08/25/1965 Effective Date: 08/25/1965 Make: Air & Space America, Inc. Model: 18A Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-19-01 CITATION: [Federal Register: August 25, 1965] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-122 AD NUMBER: 65-19-01 SUBJECT HEADING: Airworthiness Directives; Air and Space Model 18A Gyroplanes ACTION: SUMMARY: DATES: Effective August 25, 1965. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-19-01 AIR and SPACE: Amdt. 39-122 Part 39 Federal Register August 25, 1965. Applies to Model 18A Gyroplanes, Serial Numbers 18-7 through 18-28. Compliance required before further flight unless already accomplished. To prevent further failures of main rotor blade retention bolts while supporting the blade near the tip to prevent contact with the droop stops, replace three main rotor blade retention bolts, P/N RO-U18-2136-11, and nuts, P/N MS-20364-1614, with new main rotor blade retention bolts and nuts furnished by the manufacturer after August 4, 1965, and torque the nuts to 45 - 50 foot pounds dry thread torque value. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated August 10, 1965. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_65-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Air and Space Model 18A Gyroplanes Subject: Main Rotor Blade Retention Bolts Status: Current Citation: Federal Register: August 25, 1965 Citation Publish Date: 08/25/1965 Effective Date: 08/25/1965 Make: Air & Space America, Inc. Model: 18A 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: 65-19-01 CITATION: [Federal Register: August 25, 1965] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-122 AD NUMBER: 65-19-01 SUBJECT HEADING: Airworthiness Directives; Air and Space Model 18A Gyroplanes ACTION: SUMMARY: DATES: Effective August 25, 1965. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-19-01 AIR and SPACE: Amdt. 39-122 Part 39 Federal Register August 25, 1965. Applies to Model 18A Gyroplanes, Serial Numbers 18-7 through 18-28. Compliance required before further flight unless already accomplished. To prevent further failures of main rotor blade retention bolts while supporting the blade near the tip to prevent contact with the droop stops, replace three main rotor blade retention bolts, P/N RO-U18-2136-11, and nuts, P/N MS-20364-1614, with new main rotor blade retention bolts and nuts furnished by the manufacturer after August 4, 1965, and torque the nuts to 45 - 50 foot pounds dry thread torque value. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated August 10, 1965. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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