What type of aircraft is N451UA?

N451UA is a Airbus A320 (A320).

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

What is the ICAO 24-bit address of N451UA?

A57796. 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 2026-09-13.

United Airlines Airbus A320 N451UA broadcasts on ICAO24 A57796. It was built by Airbus. One pilot has caught this exact tail in Skydex.

Heard by 8 Skydex receivers (Kentucky, Kansas, Colorado): 50 sightings since 13 Sep 2026, last on 11 Nov 2026.

sdf-feed68 — 🇺🇸 United States of America · Kentucky · run by @sdf-feed68 — 1 airframe, 13 sightings, last 2026-11-08
Rose-Hill-Tower — 🇺🇸 United States of America · Kansas · run by @rosehilltower — 1 airframe, 12 sightings, last 2026-11-10
KGJT-2 — 🇺🇸 United States of America · Colorado · run by @cable-junction — 1 airframe, 9 sightings, last 2026-11-10
BakerC - FiberflyTower — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 7 sightings, last 2026-11-07
Bailey's Grove · run by @parker-redding — 1 airframe, 7 sightings, last 2026-10-17
BakerC - KACJ — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 7 sightings, last 2026-11-07
ebc0045_auburn — 🇺🇸 United States of America · Alabama · run by @ebc1613 — 1 airframe, 6 sightings, last 2026-11-07
station-1121 · run by @ej-adsb — 1 airframe, 6 sightings, last 2026-11-07