GPS interference on 4 December 2025

Home · Days · 4 December 2025

As of , from flights on 4 December 2025: 827 of 21,054 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 1,410.

Source: GPSInterference.com, https://gpsinterference.com/day/2025-12-04. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 4 December 2025. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Baltic Sea21914.7%
Eastern Europe16230.2%
South and Southeast Asia15910.9%
Americas950.9%
Black Sea8527.0%
East Asian Seas374.8%
Eastern Mediterranean217.5%
Oceania151.9%
Middle East57.7%
Africa20.9%
Worldwide8273.9%

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 4 December 2025, https://gpsinterference.com/day/2025-12-04

This day's data: https://api.gpsinterference.com/v1/interference/2025-12-04. How to read it.