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GPS / GNSS interference — Caucasus & Caspian

The South Caucasus and the western Caspian Sea are another region where aircraft report degraded or spoofed GNSS positions.

Last 24 hours: High · data up to · updated hourly

17%of area-hours with interference in the last 24 h (471 observed)
86of 152 areas affected in the last 7 days (45 severe)
58%highest share of affected aircraft in one area (7 days)
5aircraft with spoofing indications in the last 7 days (6 events)

Affected areas — last 7 days

Share of aircraft with degraded GNSS:2–5.0%5–10.0%10–20.0%20–35.0%35–50.0%50%+

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Daily trend — last 30 days

Share of observed area-hours in which a notable share of aircraft reported degraded GNSS (≥ 2% of aircraft; dark part ≥ 10%).

0%25%50%2026-10-04: 34% of 215 area-hours affected (62 severe)2026-10-05: 18% of 259 area-hours affected (43 severe)Mon 5 Oct2026-10-06: 16% of 488 area-hours affected (52 severe)2026-10-07: 20% of 509 area-hours affected (76 severe)2026-10-08: 21% of 451 area-hours affected (63 severe)2026-10-09: 21% of 413 area-hours affected (62 severe)2026-10-10: 16% of 490 area-hours affected (56 severe)2026-10-11: 17% of 460 area-hours affected (63 severe)2026-10-12: 18% of 419 area-hours affected (61 severe)Mon 12 Oct2026-10-13: 27% of 407 area-hours affected (90 severe)2026-10-14: 16% of 495 area-hours affected (50 severe)2026-10-15: 16% of 387 area-hours affected (45 severe)2026-10-16: 17% of 379 area-hours affected (46 severe)2026-10-17: 21% of 308 area-hours affected (50 severe)2026-10-18: 21% of 526 area-hours affected (84 severe)2026-10-19: 12% of 477 area-hours affected (44 severe)Mon 19 Oct2026-10-20: 23% of 435 area-hours affected (76 severe)2026-10-21: 21% of 440 area-hours affected (78 severe)2026-10-22: 19% of 593 area-hours affected (89 severe)2026-10-23: 27% of 387 area-hours affected (78 severe)2026-10-24: 19% of 447 area-hours affected (75 severe)2026-10-25: 23% of 490 area-hours affected (94 severe)2026-10-26: 13% of 438 area-hours affected (43 severe)Mon 26 Oct2026-10-27: 17% of 413 area-hours affected (59 severe)2026-10-28: 18% of 542 area-hours affected (80 severe)2026-10-29: 11% of 547 area-hours affected (45 severe)2026-10-30: 12% of 617 area-hours affected (48 severe)2026-10-31: 14% of 516 area-hours affected (45 severe)2026-11-01: 13% of 430 area-hours affected (43 severe)2026-11-02: 19% of 259 area-hours affected (38 severe)Mon 2 Nov

Most affected day in this period: Sun 4 Oct (34% of area-hours severely affected).

Day (UTC)Area-hoursAffectedSevereAircraft-hours
Mon 2 Nov25949 (19%)385,126
Sun 1 Nov43058 (13%)439,802
Sat 31 Oct51670 (14%)459,512
Fri 30 Oct61773 (12%)4810,326
Thu 29 Oct54761 (11%)459,827
Wed 28 Oct542100 (18%)809,483
Tue 27 Oct41371 (17%)598,255

How to read these figures

The region is divided into hexagonal areas of about 1,770 km². For every hour, the monitor checks which share of the aircraft in each area reported degraded GNSS integrity (NIC) via ADS-B. An area-hour counts as affected when that share exceeds the threshold and enough aircraft were present. Spoofing indications are impossible position jumps and large GNSS/barometric altitude differences. These are heuristic indicators — see how the map works for details and limitations.

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