AD Amdt-39-9365

final rule
Data completeness: 70%

Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes

AD Number
Amdt-39-9365
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 95-NM-25-AD
FR Citation
60 FR 47265

Applicability

TypeManufacturerModelDetails
aircraft Learjet 35 Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes

Unsafe Condition

Loss of certain navigation signals during extended over water operation due to Omega navigation system inoperability at certain engine speeds.

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

Required Actions

Install a placard on the instrument panel in the cockpit to advise flightcrew of Omega navigation system inoperability at certain engine speeds.

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

Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C airplanes

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.