HB9EYA, radio and ADS-B
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Contact

UAL177

N27959B789United Airlines IncConfirmed contact

Date
8 Nov 2026
Entry
11:09:36
Exit
11:40:26
Duration
30 min 50 s
Received positions
1,536
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

11:09 · 40,975 ft · 538 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: 173 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
8 Nov 2026, 11:09
Altitude
not transmitted
Ground speed
not transmitted
Vertical rate
0 ft/min
Track
103.8°
Squawk
1157
End
8 Nov 2026, 11:40
Altitude
40,975 ft
Ground speed
518 kt
Vertical rate
-160 ft/min
Track
155.2°
Squawk
1157