GPS interference on 18 December 2025

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As of , from flights on 18 December 2025: 953 of 21,636 map hexagons with enough traffic to measure (4%) showed high interference, meaning more than one aircraft in ten there reported poor GPS accuracy. The count in the medium band, between 3 and 10%, was 1,542.

Source: GPSInterference.com, https://gpsinterference.com/day/2025-12-18. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 18 December 2025. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Baltic Sea27117.6%
Eastern Europe17630.0%
South and Southeast Asia16210.5%
Americas1081.0%
Black Sea8434.9%
Eastern Mediterranean3912.0%
East Asian Seas355.0%
Oceania212.4%
Middle East1212.3%
Western Europe20.1%
Africa20.9%
Worldwide9534.4%

Each hexagon is counted once, in the first region listed that holds it; hexagons outside every listed region count in the total only. The region pages count every hexagon inside their own boundaries, which overlap, so they may show higher counts.

0%5%10%15%20%Jul 2023Jan 2024JulJan 2025JulJan 2026Jul 16.5%16 Aug 202311% 0%5%10%15%20%Jan 2024DecNovOct 16.5%16 Aug 202311%

Cite this day

GPSInterference.com, daily summary for 18 December 2025, https://gpsinterference.com/day/2025-12-18

This day's data: https://api.gpsinterference.com/v1/interference/2025-12-18. How to read it.