What type of aircraft is N225UA?

N225UA is a Boeing 777-200 (B772).

United Airlines, going by the callsign it flew under when it was caught.

What is the ICAO 24-bit address of N225UA?

A1F557. 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 50 days since 2026-09-05.

United Airlines Boeing 777-200 N225UA broadcasts on ICAO24 A1F557. It was built by Boeing. One pilot has caught this exact tail in Skydex.

Heard by 9 Skydex receivers (Derbyshire, Anglesey, station-1020): 50 sightings since 5 Sep 2026, last on 11 Nov 2026.

Lee Hall — 🇬🇧 United Kingdom · Derbyshire · run by @leehall — 1 airframe, 24 sightings, last 2026-11-10
Anglesey, GB — 🇬🇧 United Kingdom · Anglesey · run by @karl-owen — 1 airframe, 23 sightings, last 2026-11-10
station-1020 · run by @joseph-furber — 1 airframe, 23 sightings, last 2026-11-10
Andrew · run by @andrew-peacock — 1 airframe, 18 sightings, last 2026-11-03
delapoleavenue — 🇬🇧 United Kingdom · Kingston upon Hull · run by @mark-healey — 1 airframe, 16 sightings, last 2026-11-10
Swadlincote — 🇬🇧 United Kingdom · Derbyshire · run by @swadlincote — 1 airframe, 15 sightings, last 2026-11-10
Grand Bay-Westfield — 🇨🇦 Canada · New Brunswick · run by @lcameron — 1 airframe, 14 sightings, last 2026-11-04
fr-wolfheze — 🇳🇱 Netherlands · near Arnhem · run by @youri-tromp — 1 airframe, 13 sightings, last 2026-11-10
home — 🇺🇸 United States of America · near Philadelphia · run by @callmerafiki — 1 airframe, 12 sightings, last 2026-10-26