What aircraft is N12221?

N12221 is a Boeing 737-800 (B738).

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

What is the ICAO 24-bit address of N12221?

A05DD8. 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 42 days since 2026-09-14.

N12221 is a Boeing 737-800 operated by United Airlines. It was built by Boeing. One pilot has caught this exact tail in Skydex.

Heard by 9 Skydex receivers (Georgia, Kentucky, Colorado): 42 sightings since 14 Sep 2026, last on 11 Nov 2026.

BakerC - FiberflyTower — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 14 sightings, last 2026-11-09
sdf-feed68 — 🇺🇸 United States of America · Kentucky · run by @sdf-feed68 — 1 airframe, 13 sightings, last 2026-11-09
KGJT-2 — 🇺🇸 United States of America · Colorado · run by @cable-junction — 1 airframe, 9 sightings, last 2026-11-05
BakerC - KACJ — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 8 sightings, last 2026-11-09
Auburn — 🇺🇸 United States of America · Alabama · run by @parkercs — 1 airframe, 7 sightings, last 2026-11-09
Asheville NC — 🇺🇸 United States of America · North Carolina · run by @parker-redding — 1 airframe, 7 sightings, last 2026-11-09
home — 🇺🇸 United States of America · near Philadelphia · run by @callmerafiki — 1 airframe, 7 sightings, last 2026-11-10
Docking-Bay-94 — 🇺🇸 United States of America · Pennsylvania · run by @pfshady — 1 airframe, 7 sightings, last 2026-11-10
BD — 🇺🇸 United States of America · Indiana · run by @brian-goodzey — 1 airframe, 7 sightings, last 2026-11-11