AD 95-19-04 R1 RES

final rule
Data completeness: 70%

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

AD Number
95-19-04 R1 RES
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-NM-311-AD
FR Citation
Federal Register: March 27, 2000

Applicability

TypeManufacturerModelDetails
aircraft Learjet Inc. 35 Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 35A (C-21A) Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 36 Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 36A Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 55 Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 55B Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes
aircraft Learjet Inc. 55C 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 could result in excessive deviation from the intended flight path, leading to potential low-fuel condition or traffic conflict.

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 equipped with Global Wulfsburg GNS 500, GNS-1000, and GNS-X Flight Management Systems.

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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