What type of aircraft is G-TNEF?

G-TNEF is a Airbus A321neo (A21N).

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

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

4081BB. The Mode S address is assigned to the airframe by its country of registration and stays the same from flight to flight.

On 2026-11-11. Our receivers have heard it on 66 days since 2026-09-05.

British Airways Airbus A321neo G-TNEF broadcasts on ICAO24 4081BB. It was built by Airbus. One pilot has caught this exact tail in Skydex.

8 Skydex receivers (Derbyshire, Andrew, Baden-Württemberg) have heard G-TNEF, 66 sightings since 5 Sep 2026; last on 11 Nov 2026.

Lee Hall — 🇬🇧 United Kingdom · Derbyshire · run by @leehall — 1 airframe, 60 sightings, last 2026-11-10
Andrew · run by @andrew-peacock — 1 airframe, 46 sightings, last 2026-11-09
Fips — 🇩🇪 Germany · Baden-Württemberg · run by @fips — 1 airframe, 43 sightings, last 2026-11-10
1337hium — 🇨🇭 Switzerland · near Solothurn · run by @michael-ruedi — 1 airframe, 41 sightings, last 2026-11-10
Swadlincote — 🇬🇧 United Kingdom · Derbyshire · run by @swadlincote — 1 airframe, 33 sightings, last 2026-11-10
fr-wolfheze — 🇳🇱 Netherlands · near Arnhem · run by @youri-tromp — 1 airframe, 32 sightings, last 2026-11-10
Fiscaglia — 🇮🇹 Italy · Ferrara · run by @djrexishere — 1 airframe, 29 sightings, last 2026-11-10
station-1020 · run by @joseph-furber — 1 airframe, 26 sightings, last 2026-11-09