What type of aircraft is N273AK?

N273AK is a Boeing 737-900 (B739).

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

What is the ICAO 24-bit address of N273AK?

A2B1AB. 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 48 days since 2026-09-12.

Alaska Airlines Boeing 737-900 N273AK broadcasts on ICAO24 A2B1AB. It was built by Boeing. One pilot has caught this exact tail in Skydex.

Heard by 6 Skydex receivers (near Seattle, station-1048, Colorado): 48 sightings since 12 Sep 2026, last on 10 Nov 2026.

GoHawks! — 🇺🇸 United States of America · near Seattle · run by @qt21 — 1 airframe, 12 sightings, last 2026-11-10
station-1048 · run by @jeffrey-morehouse — 1 airframe, 11 sightings, last 2026-10-26
KGJT-2 — 🇺🇸 United States of America · Colorado · run by @cable-junction — 1 airframe, 9 sightings, last 2026-11-09
0Krypt — 🇺🇸 United States of America · near Minneapolis · run by @0krypt — 1 airframe, 7 sightings, last 2026-11-09
Bailey's Grove · run by @parker-redding — 1 airframe, 7 sightings, last 2026-11-07
Dexter — 🇺🇸 United States of America · Ohio · run by @nightlonk — 1 airframe, 6 sightings, last 2026-11-07