HB9EYARADIO & ADS-B
Back to United Airlines Inc

Sub-fleet

Boeing 747-400·United Airlines Inc

Perimeter: reliable identities only (confirmed contacts, verified identity), blocked aircraft excluded.

Seen out of 22 in the registry
16 of 22
Registry as of 29 Jul 2026
Contacts
65
First captured
8 Apr 2016, 05:46
Last captured
20 Oct 2017, 11:41
Years built
from 1990 (oldest) to 2000 (youngest), year known for 75% of the sub-fleet

The 16 aircraft seen by the station

Contacts per year

The 7 never captured

Never captured by the station: that does not mean they did not fly, only that they never came within range. Fleets move; list as per registry of 29 Jul 2026.

  • N121UA
  • N122UA
  • N127UA
  • N171UA
  • N182UA
  • N194UA
  • N195UA