HB9EYA, radio and ADS-B
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Contact

UAL177

N29961B789United AirlinesConfirmed contact

Date
11 Oct 2026
Entry
10:23:24
Exit
10:52:34
Duration
29 min 10 s
Received positions
945
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:23 · 40,975 ft · 545 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: 136 received points, joined in time order. The real captured path, never fabricated.0 ft≥ 35,000 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 ft25,000 ft50,000 ft0 kt300 kt600 kt0 min14 min29 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
11 Oct 2026, 10:23
Altitude
40,975 ft
Ground speed
545 kt
Vertical rate
0 ft/min
Track
101.9°
Squawk
0520
End
11 Oct 2026, 10:52
Altitude
41,000 ft
Ground speed
546 kt
Vertical rate
864 ft/min
Track
147.2°
Squawk
0520