What type of aircraft is N37540?

N37540 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 N37540?

A4495B. The Mode S address is assigned to the airframe by its country of registration and stays the same from flight to flight.

On 2026-11-12. Our receivers have heard it on 60 days since 2026-09-12.

United Airlines Boeing 737 MAX 9 N37540 broadcasts on ICAO24 A4495B. It was built by Boeing. One pilot has caught this exact tail in Skydex.

Heard by 5 Skydex receivers (Georgia, near Philadelphia, North Carolina): 60 sightings since 12 Sep 2026, last on 12 Nov 2026.

BakerC - FiberflyTower — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 32 sightings, last 2026-11-12
home — 🇺🇸 United States of America · near Philadelphia · run by @callmerafiki — 1 airframe, 20 sightings, last 2026-11-10
Asheville NC — 🇺🇸 United States of America · North Carolina · run by @parker-redding — 1 airframe, 18 sightings, last 2026-11-12
Hoyt Clagwell — 🇺🇸 United States of America · Florida · run by @k-han — 1 airframe, 16 sightings, last 2026-11-10
sdf-feed68 — 🇺🇸 United States of America · Kentucky · run by @sdf-feed68 — 1 airframe, 15 sightings, last 2026-11-10