EASA Regulations for Bell Textron Canada Limited All

EASA AD CF-2021-53

NOT ELIGIBLE FOR ADOPTION - EASA POSITION ATTACHED

Canadian Airworthiness Directive CF-2021-53 addresses the risk of interference to radio altimeters on helicopters from 5G C-Band wireless broadband signals. It applies to all helicopters certified by Airbus Helicopters, Airbus Helicopters Deutschland GmbH, Bell Textron Canada Limited, Hélicoptères Guimbal, and Leonardo S.p.a. equipped with radio altimeters. The directive prohibits certain operations requiring radio altimeter data when 5G C-Band interference is present, particularly in U.S. airspace.