HB9EYA, radio and ADS-B
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Contact

UAL177

N24990B789United AirlinesConfirmed contact

Date
18 Sept 2026
Entry
10:27:11
Exit
10:58:51
Duration
31 min 40 s
Received positions
957
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:27 · 38,975 ft · 522 kt
  • Route resolved from the callsign: Denver International Airport (KDEN) to Rome–Fiumicino Leonardo da Vinci International Airport (LIRF), confidence 60/100. A deduction from the reference data, never a measured path.
  • Measured track: 135 received points, joined in time order. The real captured path, never fabricated.0 ft35,000 ft

'Entry' and 'exit' mark where the station began and stopped receiving the aircraft, at the edges of the antenna's range: not where the aircraft appeared or vanished.

Flight profile

0 ft20,000 ft40,000 ft0 kt300 kt600 kt0 min14 min28 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
18 Sept 2026, 10:27
Altitude
not transmitted
Ground speed
not transmitted
Vertical rate
0 ft/min
Track
Squawk
2211
End
18 Sept 2026, 10:58
Altitude
38,975 ft
Ground speed
483 kt
Vertical rate
0 ft/min
Track
149.8°
Squawk
2211