GPS jamming in Malaysia today

Last updated: 6 November 2026, 07:27 UTC

Malaysia today: 75.6% of monitored areas are affected.

Background

Malaysia's Civil Aviation Authority received 91 GNSS interference reports in 2023, 927 in 2024 and 233 in the first quarter of 2025 through a reporting system launched in April 2023 (CAAM, ICAO symposium, 2025). It puts the rise down to better reporting and says in-flight cases are probably under-reported (CAAM, ICAO symposium, 2025). Almost all were en route, and none of the ten most affected places it lists is in Malaysia: the top three are Ankara, Sofia and Yangon (CAAM, ICAO symposium, 2025).

The authority describes a national monitoring system with stations at Penang and Kuala Lumpur International Airport, built to detect interference in real time (CAAM, ICAO symposium, 2025). A 2026 paper says Malaysia has been active in sharing interference data in the region (Bangladesh, ICAO paper, 2026). We found no published report naming a source of interference inside Malaysia. For the reporting on interference in Malaysia, and who it is attributed to, see: South and Southeast Asia.

Only hexagons whose centre lies inside Malaysia's borders are counted, so hexagons in neighbouring countries and out at sea are left out. The map is framed on 0.8 to 7.4 and 99.6 to 119.3.

Cities and airports

Place	Share affected	Aircraft affected
Penang (PEN)	11.3%	69 of 609
Kuala Lumpur (KUL)	9.0%	237 of 2,641
Kota Kinabalu (BKI)	6.2%	33 of 530
Johor Bahru Senai (JHB)	5.3%	124 of 2,323
Kuching (KCH)	not enough data

Aircraft within 100 km of each city that reported low GPS accuracy. A row opens the live map over that city.

Most affected areas

Place	Share affected	Aircraft affected
Open sea	16.7%	2 of 12
South China Sea	14.3%	2 of 14
Open sea	13.3%	2 of 15
Open sea	12.5%	5 of 40
Open sea	12.5%	2 of 16

Malaysia: with few aircraft, one report can give a hexagon a high share; see the limitations.

By altitude

Malaysia: All altitudes: points to a powerful, wide-area source. How this is read.

Aircraft observations by barometric altitude, latest update
Altitude	Aircraft	Share affected
Below 5,000 ft	670	6.0%
5,000 to 15,000 ft	1,522	8.0%
15,000 to 30,000 ft	3,026	7.4%
Above 30,000 ft	2,248	6.6%

Malaysia: an aircraft is counted in each layer it crosses, so the rows do not add up.

Embed this map

Paste this where the Malaysia map should appear. It is free to use and updates by itself.

<iframe src="https://gpsinterference.com/embed?region=malaysia&amp;names=on" width="640" height="400"
        style="border:0;width:100%;max-width:960px" loading="lazy"
        title="Live GPS interference map: Malaysia"></iframe>
<p>Live map: <a href="https://gpsinterference.com/">GPS Interference</a></p>

Open the embed studio to choose the map style, altitude, height and place names, and see a preview.

Nearby

Pages near Malaysia: South and Southeast Asia, India, Pakistan, Myanmar, Thailand.

Regions. Methodology.

Malaysia. Low reported accuracy points to interference but does not prove it, and the map cannot locate a transmitter or say who is responsible. How the map is made.