GPS interference on 18 September 2023

Home · Days · 18 September 2023

As of , from flights on 18 September 2023: 397 of 11,955 map hexagons with enough traffic to measure (3%) 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 641.

Source: GPSInterference.com, https://gpsinterference.com/day/2023-09-18. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 18 September 2023. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Black Sea12056.6%
Americas901.6%
South and Southeast Asia4410.8%
Eastern Mediterranean3915.5%
Eastern Europe277.6%
Baltic Sea242.0%
Oceania224.5%
East Asian Seas31.7%
Africa21.7%
Worldwide3973.3%

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 16.1%11 Aug 202311% 0%5%10%15%20%Jan 2024DecNovOct 16.1%11 Aug 202311%

Cite this day

GPSInterference.com, daily summary for 18 September 2023, https://gpsinterference.com/day/2023-09-18

This day's data: https://api.gpsinterference.com/v1/interference/2023-09-18. How to read it.