AD 2022-04-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
5G C-Band interference may affect multiple airplane systems using radio altimeter data, regardless of the approach type or weather, leading to erroneous indications and annunciations, and conflicting information being provided to the flightcrew during a critical phase of flight.
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Required Actions
Revising the limitations and operating procedures sections of the existing airplane flight manual (AFM) to incorporate specific operating procedures for landing distance calculations, instrument landing system (ILS) approaches, non-precision approaches, speedbrake deployment, and go-around and missed approaches, when in the presence of 5G C-Band interference as identified by Notices to Air Missions (NOTAMs).
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 757 and 767 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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