HB9EYA, radio and ADS-B
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Contact

ALK503

4R-ALQA333Srilankan AirlinesConfirmed contact

Date
28 Aug 2026
Entry
19:56:03
Exit
20:12:46
Duration
16 min 43 s
Received positions
429
Route resolution
From the callsign, confidence 60/100Per the routes referential of 20 Jul 2026.

Contact map

19:56 · 40,000 ft · 462 kt
  • Route resolved from the callsign: Bandaranaike International Colombo Airport (VCBI) to London Heathrow Airport (EGLL), confidence 60/100. A deduction from the reference data, never a measured path.
  • Measured track: 69 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 kt250 kt500 kt0 min8 min15 min
AltitudeGround speedHover the chart to read the time, altitude and speed at that moment.

Start and end of contact

Start
28 Aug 2026, 19:56
Altitude
40,000 ft
Ground speed
460 kt
Vertical rate
0 ft/min
Track
312.5°
Squawk
7544
End
28 Aug 2026, 20:12
Altitude
40,000 ft
Ground speed
483 kt
Vertical rate
0 ft/min
Track
310.6°
Squawk
7544