HB9EYA, radio and ADS-B
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Contact

UAL177

N29978B789United AirlinesConfirmed contact

Date
8 Oct 2026
Entry
10:36:58
Exit
11:05:51
Duration
28 min 53 s
Received positions
783
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:36 · 41,000 ft · 511 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: 123 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 min28 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
8 Oct 2026, 10:36
Altitude
41,000 ft
Ground speed
not transmitted
Vertical rate
64 ft/min
Track
0°
Squawk
5257
End
8 Oct 2026, 11:05
Altitude
40,975 ft
Ground speed
478 kt
Vertical rate
192 ft/min
Track
152.5°
Squawk
5257