Daily report
Tuesday, 21 April 2026
On this day we detected 26 new GNSS interference incidents, 33% more than the 30-day average of 19.5. The most affected areas were Eastern Mediterranean (11), Baltic Sea (8) and Black Sea (5). The longest incident lasted 22 h near Larnaca, and up to 23 aircraft were affected at once by a single incident.
26
new incidents
▲ 33% vs 30-day avg
32
incidents active during the day
6 days
total incident time
23
most aircraft affected by one incident
Jamming1547%Spoofing928%Denial516%Possible meaconing39%
Most affected areas
11
8
5
3
3
1
Times are UTC. An incident is counted on the day it starts. Members can download this data as CSV or GeoJSON. Learn more.