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CF-2025-43 : Navigation – 5G C-Band wireless Broadband Interference with Radio Altimeter System when operating in the contiguous United States of America (U.S.) airspace

Number CF-2025-43
Issued by Canada  Canada
Issue date 2025-09-09
Effective date 2025-09-16
EASA approval number
ATA Chapter 34
Approval Holder
/ Type Designation
  • DE HAVILLAND AIRCRAFT OF CANADA LTD.
    • DHC-8
      • DHC-8-401
      • DHC-8-402
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information DHC SB 84-34-240, Revision F, dated 13 January 2025, SB 84-34-248 Revision B. dated 27 September 2024 or later revisions of the SB approved by the Chief, Continuing Airworthiness, Transport Canada
Remarks (1) The actions required by this AD, including those listed under Part I and Part II of section "Corrective Actions", are not required on aeroplanes not operating in the U.S. contiguous airspace. (2) Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA; E-mail: ADs [at] easa.europa [dot] eu