What type of aircraft is G-TUMX?

G-TUMX is a Boeing 737 MAX 8 (B38M).

TUI Airways Limited, going by the callsign it flew under when it was caught.

What is the ICAO 24-bit address of G-TUMX?

407E7B. The Mode S address is assigned to the airframe by its country of registration and stays the same from flight to flight.

On 2026-11-10. Our receivers have heard it on 59 days since 2026-09-12.

TUI Airways Limited Boeing 737 MAX 8 G-TUMX broadcasts on ICAO24 407E7B. It was built by Boeing. One pilot has caught this exact tail in Skydex.

7 Skydex receivers (Derbyshire, station-1020, Andrew) have heard G-TUMX, 59 sightings since 12 Sep 2026; last on 10 Nov 2026.

Lee Hall — 🇬🇧 United Kingdom · Derbyshire · run by @leehall — 1 airframe, 59 sightings, last 2026-11-10
station-1020 · run by @joseph-furber — 1 airframe, 50 sightings, last 2026-11-10
Andrew · run by @andrew-peacock — 1 airframe, 48 sightings, last 2026-11-10
Fips — 🇩🇪 Germany · Baden-Württemberg · run by @fips — 1 airframe, 34 sightings, last 2026-11-04
Swadlincote — 🇬🇧 United Kingdom · Derbyshire · run by @swadlincote — 1 airframe, 34 sightings, last 2026-11-10
fr-wolfheze — 🇳🇱 Netherlands · near Arnhem · run by @youri-tromp — 1 airframe, 34 sightings, last 2026-11-04
Fiscaglia — 🇮🇹 Italy · Ferrara · run by @djrexishere — 1 airframe, 25 sightings, last 2026-11-03