HB9EYA, radio and ADS-B
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Contact

UAL177

N24988B789United AirlinesConfirmed contact

Date
14 Sept 2026
Entry
10:46:57
Exit
11:17:41
Duration
30 min 44 s
Received positions
1,170
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:46 · 39,000 ft · 521 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: 150 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 min15 min30 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
14 Sept 2026, 10:46
Altitude
39,000 ft
Ground speed
521 kt
Vertical rate
0 ft/min
Track
128.5°
Squawk
2221
End
14 Sept 2026, 11:17
Altitude
39,000 ft
Ground speed
528 kt
Vertical rate
0 ft/min
Track
149.6°
Squawk
2221