Starting March 31, 2026, Australian-registered aircraft operators will need to be equipped with radar altimeters that meet minimum performance levels to deter interference by mobile phone 5G service. Before this date, the country’s Civil Aviation Safety Authority (CASA) is working with the Australian Communications and Media Authority (ACMA) to ensure that efforts run smoothly to prevent interference with radio altimeters. CASA is coordinating with ACMA so that the rollout of wireless broadband services, including 5G in the 3.7- 4.0 GHz band can be done in a way that ensures the safety of aircraft in Australia. Ongoing mitigations after March 31, 2026, will include a 200 MHz buffer between wireless broadband and radio altimeter frequencies as well as limits on power and unwanted emissions.
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502332355