FAA Airworthiness Directive Restricts Autopilot, Autothrottle Operations in Bombardier Global Business Jets | Aviation International News

AD Restricts Autopilot, Autothrottle Ops in Global Jets

5G cellphone C-band interference could cause problems with autopilot and autothrottle use in Bombardier Global jets.

Bombardier Global 5500 in flight over mountainous terrain — 5G cellphone C-band interference could cause problems with autopilot and autothrottle use in Bombardier Global Express, XRS, 5000, 5500, 6000, and 6500 jets. (Photo: Bombardier)

By Matt Thurber • Editor-in-Chief

March 1, 2023

The FAA has issued AD 2023-03-06, prohibiting autopilot and autothrottle operation below 400 feet when near 5G C-band interference in Bombardier Global Express, XRS, 5000, 5500, 6000, and 6500 jets. The AD also prohibits dispatch with certain weight-on-wheels calibrated airspeed messages.

Taking effect on March 13, the AD specifies that the autopilot/autothrottle restrictions apply only “when in the presence of 5G C-band interference as identified by notams.” Transport Canada issued a similar AD on Nov. 4, 2022.

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