AD 66-08-01

final rule
Data completeness: 70%

Airworthiness Directives; Air and Space Model 18A Gyroplanes

AD Number
66-08-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
Federal Register: March 23, 1966

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Air & Space America, Inc. Model 18A Gyroplanes, Serial Numbers 18-6 through 18-49.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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