AD 2017-22-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Loss of all air data system information provided to the flightcrew due to high altitude icing (ice crystal contamination).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the airplane flight manual (AFM) to provide 'Unreliable Airspeed' procedures to the flightcrew to stabilize the airplane's airspeed and attitude for continued safe flight and landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (December 20, 2017).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc., Model CL-600-2B16 (CL-604 Variant) airplanes, serial numbers 5301 through 5665, 5701 through 5988, and 6050 through 6080.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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