Safety Bulletin IFALPA: Communication Interference by Military Warships in the Pacific Region
IFALPA has been made aware of some airlines and military aircraft being called over 121.50 or 123.45 by military warships in the Pacific region, notably South China Sea, Philippe Sea, East of Indian Ocean. In some cases, the flights were provided vectors to avoid the airspace over the warship. We have reason to believe there may be interferences to GNSS and RADALT as well (...)