GPS Signals Jammed on Royal Air Force Falcon 900LX Flight

A Dassault Falcon 900LX carrying UK defense secretary John Healey had its GPS and communications systems jammed during a flight from Estonia on May 21. The incident, which was confirmed by the Ministry of Defence, resulted in Royal Air Force (RAF) pilots having to use alternative means of navigation after the jamming occurred when flying close to the border with Russia.

The jammed flight is one of several recently reported incidents in which Russian military forces appear to have deliberately confronted UK aircraft. On May 20, the Ministry of Defence acknowledged that in an April incident, Russian fighters had “repeatedly and dangerously” intercepted an RAF surveillance aircraft over the Black Sea.

The Falcon 900LX, which has an EASy II flight deck co-developed by Dassault and Honeywell, is one of the two of these trijets operated by the RAF’s 32 Squadron for royal and government transportation under the designation Envoy IV CC1s. The Falcons replaced BAe 146 jets, and the RAF also operates a multirole Airbus A330 Voyager widebody that can be used for VIP flights. 

On Aug. 31, 2025, a chartered Falcon 900LX operated by Luxaviation had its GPS signals jammed on a flight to Plovdiv in Bulgaria. It was carrying European Commission President Ursula von der Leyen on an official visit.

This story was updated on May 27 to correct information about the RAF's BAe 146 and A330 Voyager aircraft.