AD Amdt-39-11649
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet | 35 | Airworthiness Directives; Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C Airplanes |
Unsafe Condition
Excessive deviation from the intended flight path due to loss of navigation signals from the Omega navigation system at certain engine speeds could result in a potentially low-fuel condition or a traffic conflict.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rescind the existing AD requirements including the installation of a placard on the instrument panel and the optional installation of band reject filters.
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 subject to the previous AD requiring Omega navigation system placarding or filter installation.
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
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