HB9EYA, radio and ADS-B
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Contact

UAL177

N19986B789United AirlinesConfirmed contact

Date
7 Oct 2026
Entry
10:50:23
Exit
11:24:41
Duration
34 min 18 s
Received positions
1,465
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

10:50 · 40,975 ft · 488 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: 172 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 kt250 kt500 kt0 min16 min31 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
7 Oct 2026, 10:50
Altitude
41,000 ft
Ground speed
489 kt
Vertical rate
0 ft/min
Track
129.2°
Squawk
2270
End
7 Oct 2026, 11:24
Altitude
40,975 ft
Ground speed
480 kt
Vertical rate
320 ft/min
Track
146.5°
Squawk
2270