AD 66-08-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Air & Space America, Inc. | 18A | Airworthiness Directives; Air and Space Model 18A Gyroplanes |
Unsafe Condition
The lateral control system may have insufficient strength due to inadequate design of the control tube and bellcrank assembly, leading to failure during flight.
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Required Actions
Modify the gyroplanes by following Air & Space Manufacturing Inc. Service Bulletin No. 4, dated November 16, 1965, or an equivalent approved by the FAA. The modification must include strengthening the control tube and bellcrank assembly.
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Compliance Time
before further flight
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Affected Aircraft
Air & Space America, Inc. Model 18A Gyroplanes, Serial Numbers 18-6 through 18-49.
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Federal Register Abstract
Lateral Control System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-08-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-08-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Air and Space Model 18A Gyroplanes Subject: Lateral Control System Status: Current Citation: Federal Register: March 23, 1966 Citation Publish Date: 03/23/1966 Effective Date: 03/23/1966 Make: Air & Space America, Inc. Model: 18A Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-08-01 CITATION: [Federal Register: March 23, 1966] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-218 AD NUMBER: 66-08-01 SUBJECT HEADING: Airworthiness Directives; Air and Space Model 18A Gyroplanes ACTION: SUMMARY: DATES: Effective March 23, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-08-01 AIR and SPACE: Amdt. 39-218 Part 39 Federal Register March 23, 1966. Applies to Model 18A Gyroplanes, Serial Numbers 18-6 through 18-49. Compliance required before further flight, unless already accomplished. Modify gyroplanes in accordance with Air & Space Manufacturing Inc. Service Bulletin No. 4, dated November 16, 1965, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Central Region. This directive effective March 23, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-08-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-08-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Air and Space Model 18A Gyroplanes Subject: Lateral Control System Status: Current Citation: Federal Register: March 23, 1966 Citation Publish Date: 03/23/1966 Effective Date: 03/23/1966 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: 66-08-01 CITATION: [Federal Register: March 23, 1966] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-218 AD NUMBER: 66-08-01 SUBJECT HEADING: Airworthiness Directives; Air and Space Model 18A Gyroplanes ACTION: SUMMARY: DATES: Effective March 23, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-08-01 AIR and SPACE: Amdt. 39-218 Part 39 Federal Register March 23, 1966. Applies to Model 18A Gyroplanes, Serial Numbers 18-6 through 18-49. Compliance required before further flight, unless already accomplished. Modify gyroplanes in accordance with Air & Space Manufacturing Inc. Service Bulletin No. 4, dated November 16, 1965, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Central Region. This directive effective March 23, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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