AD 2021-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
outdated magnetic variation (MagVar) tables inside navigation systems can affect the performance of the navigation systems and result in the presentation of misleading magnetic heading references on the Primary Flight Displays (PFDs) and Multi-Function Displays (MFDs), positioning the airplane outside of the terrain and obstacle protection provided by instrument flight procedures and flight route designs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
revising the existing airplane flight manual (AFM) to update the Flight Management System (FMS) and Inertial Reference System (IRS) limitations.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Bombardier, Inc., Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants), serial numbers 5301 through 5665 inclusive, and 5701 through 5988 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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