EU’s air transport safety and environmental protection regulator warns of intermittent outages affecting Global Navigation Satellite Systems (GNSS) These outages can lead to navigation and surveillance degradation due to jamming and/or possible spoofing issues that have intensified around Ukraine. EASA also warned European air operators not to operate within 200 nautical miles (230 miles or 370 km) of Ukraine’s borders with Russia and Belarus due to heightened military activity that could have included launches of mid-range missiles. The European agency’s warning follows a public announcement issued by Finland’s Transport and Communications Agency, Traficom.”]