HB9EYA, radio and ADS-B
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Contact

UAL177

N24972B789United AirlinesConfirmed contact

Date
17 Sept 2026
Entry
10:39:48
Exit
11:15:53
Duration
36 min 5 s
Received positions
1,751
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:39 · 40,975 ft · 514 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: 197 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 ft25,000 ft50,000 ft0 kt300 kt600 kt0 min17 min35 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
17 Sept 2026, 10:39
Altitude
41,000 ft
Ground speed
509 kt
Vertical rate
0 ft/min
Track
101.1°
Squawk
1162
End
17 Sept 2026, 11:15
Altitude
40,975 ft
Ground speed
492 kt
Vertical rate
128 ft/min
Track
162.1°
Squawk
1162