HB9EYA, radio and ADS-B
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Contact

UAL423

N12021B78XUnited AirlinesConfirmed contact

Date
7 Sept 2026
Entry
14:32:36
Exit
14:53:15
Duration
20 min 39 s
Received positions
790
Route resolution
From the callsign, confidence 60/100Per the routes referential of 21 Jul 2026.

Contact map

14:32 · 31,975 ft · 478 kt
  • Route resolved from the callsign: Athens Eleftherios Venizelos International Airport (LGAV) to Chicago O'Hare International Airport (KORD), confidence 60/100. A deduction from the reference data, never a measured path.
  • Measured track: 88 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 ft20,000 ft40,000 ft0 kt250 kt500 kt0 min7 min14 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
7 Sept 2026, 14:32
Altitude
31,975 ft
Ground speed
479 kt
Vertical rate
0 ft/min
Track
304.4°
Squawk
7515
End
7 Sept 2026, 14:53
Altitude
32,000 ft
Ground speed
484 kt
Vertical rate
0 ft/min
Track
302.7°
Squawk
7515