HB9EYARADIO & ADS-B
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Contact

UAL177

N24990B789United AirlinesConfirmed contact

Date
4 Sept 2025
Entry
10:49
Exit
11:20
Duration
31 min 31 s
Received positions
1,120
Route resolution
From the callsign, confidence 20/100Per the routes referential of 21 Jul 2026.

Contact map

The route PGUM > RJBB deduced from the callsign is incompatible with the received points: it is not drawn. Confidence reduced to 20/100.

  • First and last received points. Two measurements, nothing in between.

'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.

Start and end of contact

Start
4 Sept 2025, 10:49
Altitude
not transmitted
Ground speed
not transmitted
Vertical rate
0 ft/min
Track
Squawk
2257
End
4 Sept 2025, 11:20
Altitude
41,000 ft
Ground speed
470 kt
Vertical rate
0 ft/min
Track
135.6°
Squawk
2257