Daily report

Monday, 21 September 2026

On this day we detected 17 new GNSS interference incidents, 6% more than the 30-day average of 16.0. The most affected areas were Eastern Mediterranean (8), Black Sea (5) and Baltic Sea (3). The longest incident lasted 9.8 h near Gdańsk, and up to 10 aircraft were affected at once by a single incident.

17
new incidents
▲ 6% vs 30-day avg
20
incidents active during the day
2 days
total incident time
10
most aircraft affected by one incident
Jamming1155%Spoofing735%Denial210%Possible meaconing00%
Most affected areas
Eastern Mediterranean8
Black Sea5
Baltic Sea3
Gulf of Finland2
Northern Iraq1
Helsinki1

Times are UTC. An incident is counted on the day it starts. Members can download this data as CSV or GeoJSON. Learn more.