What aircraft is N603NN?

N603NN is a Bombardier CRJ900 (CRJ9).

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

What is the ICAO 24-bit address of N603NN?

A7D39D. 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 58 days since 2026-09-13.

N603NN is a Bombardier CRJ900 operated by PSA Airlines. It was built by Bombardier. One pilot has caught this exact tail in Skydex.

10 Skydex receivers (North Carolina, Georgia, Alabama) have heard N603NN, 58 sightings since 13 Sep 2026; last on 10 Nov 2026.

Asheville NC — 🇺🇸 United States of America · North Carolina · run by @parker-redding — 1 airframe, 39 sightings, last 2026-11-10
BakerC - FiberflyTower — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 29 sightings, last 2026-11-09
ebc0045_auburn — 🇺🇸 United States of America · Alabama · run by @ebc1613 — 1 airframe, 23 sightings, last 2026-11-09
home — 🇺🇸 United States of America · near Philadelphia · run by @callmerafiki — 1 airframe, 20 sightings, last 2026-11-08
Docking-Bay-94 — 🇺🇸 United States of America · Pennsylvania · run by @pfshady — 1 airframe, 20 sightings, last 2026-11-10
BakerC - KACJ — 🇺🇸 United States of America · Georgia · run by @ebc1613 — 1 airframe, 19 sightings, last 2026-11-09
sdf-feed68 — 🇺🇸 United States of America · Kentucky · run by @sdf-feed68 — 1 airframe, 10 sightings, last 2026-11-08
ThePeakOfGoodLiving — 🇺🇸 United States of America · near Raleigh · run by @orangewhip — 1 airframe, 9 sightings, last 2026-11-10
DogeRam1500 — 🇺🇸 United States of America · New Jersey · run by @john-napoli — 1 airframe, 9 sightings, last 2026-11-08
Dexter — 🇺🇸 United States of America · Ohio · run by @nightlonk — 1 airframe, 8 sightings, last 2026-11-10