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Contact

UAL177

N27997B789Confirmed contact

Date
15 Aug 2026
Entry
11:23:25
Exit
11:52:58
Duration
29 min 33 s
Received positions
998
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

11:23 · 41,000 ft · 482 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: 138 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 min12 min25 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
15 Aug 2026, 11:23
Altitude
not transmitted
Ground speed
not transmitted
Vertical rate
-32 ft/min
Track
Squawk
1141
End
15 Aug 2026, 11:52
Altitude
41,000 ft
Ground speed
506 kt
Vertical rate
64 ft/min
Track
148.7°
Squawk
1141