What aircraft is N87442?

N87442 is a Boeing 737 MAX 9 (B39M).

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

What is the ICAO 24-bit address of N87442?

AC0831. 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 59 days since 2026-09-13.

N87442 is a Boeing 737 MAX 9 operated by United Airlines. It was built by Boeing. One pilot has caught this exact tail in Skydex.

Heard by 7 Skydex receivers (Georgia, near Philadelphia, North Carolina): 59 sightings since 13 Sep 2026, last on 11 Nov 2026.

BakerC - FiberflyTower — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 32 sightings, last 2026-11-10
home — 🇺🇸 United States of America · near Philadelphia · run by @callmerafiki — 1 airframe, 21 sightings, last 2026-11-10
Asheville NC — 🇺🇸 United States of America · North Carolina · run by @parker-redding — 1 airframe, 16 sightings, last 2026-11-07
Hoyt Clagwell — 🇺🇸 United States of America · Florida · run by @k-han — 1 airframe, 16 sightings, last 2026-11-09
sdf-feed68 — 🇺🇸 United States of America · Kentucky · run by @sdf-feed68 — 1 airframe, 15 sightings, last 2026-11-03
KGJT-2 — 🇺🇸 United States of America · Colorado · run by @cable-junction — 1 airframe, 13 sightings, last 2026-10-23
Possum Kingdom — 🇺🇸 United States of America · near New Orleans · run by @dizzy — 1 airframe, 12 sightings, last 2026-11-04