Apparatus

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sensors Mode-S transponder

8840F8

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-PGX · AIRBUS A-319

Hex
8840F8
Octal
42040370
Decimal
8,929,528
Country
TH
Tail
HS-PGX
Type
A319
No current signal · last broadcast 1h ago
Flights observed
192
Distinct callsigns
20
Country
TH
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 8840F8.

Country allocation

The ICAO 24-bit address 8840F8 falls within the block assigned to Thailand (TH) by ICAO Annex 10, Volume III. Every aircraft registered in Thailand receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
BKP151 Bangkok Airways 16 2026-05-26
BKP124 Bangkok Airways 16 2026-05-27
BKP807 Bangkok Airways 13 2026-05-25
BKP100 Bangkok Airways 13 2026-05-26
BKP806 Bangkok Airways 12 2026-05-25
BKP961 Bangkok Airways 11 2026-05-11
BKP123 Bangkok Airways 11 2026-05-27
BKP180 Bangkok Airways 10 2026-05-29
BKP133 Bangkok Airways 8 2026-05-29
BKP122 Bangkok Airways 8 2026-05-29
BKP963 Bangkok Airways 6 2026-05-29
BKP962 Bangkok Airways 6 2026-05-21
BKP186 Bangkok Airways 6 2026-05-25
BKP142 Bangkok Airways 5 2026-05-23
BKP125 Bangkok Airways 5 2026-05-30
BKP711 Bangkok Airways 4 2026-04-29
BKP104 Bangkok Airways 4 2026-04-25
BKP941 Bangkok Airways 3 2026-05-20
BKP172 Bangkok Airways 3 2026-05-07
BKP121 Bangkok Airways 3 2026-05-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 BKP125 BKK → USM May 30, 03:25 UTCMay 30, 03:55 UTC30m
2026-05-29 BKP180 USM → BKK May 29, 12:20 UTCMay 29, 13:00 UTC40m
2026-05-29 BKP968 SIN → USM May 29, 09:25 UTCMay 29, 09:55 UTC30m
2026-05-29 BKP963 USM → SIN May 29, 07:30 UTCMay 29, 07:45 UTC15m
2026-05-29 BKP133 BKK → USM May 29, 04:50 UTCMay 29, 05:00 UTC10m
2026-05-29 BKP122 USM → BKK May 29, 00:35 UTCMay 29, 03:10 UTC2h 35m
2026-05-28 BKP180 USM → BKK May 28, 12:45 UTCMay 28, 13:00 UTC15m
2026-05-28 BKP968 SIN → USM May 28, 09:25 UTCMay 28, 09:55 UTC30m
2026-05-28 BKP133 BKK → USM May 28, 04:45 UTCMay 28, 07:55 UTC3h 10m
2026-05-28 BKP122 USM → BKK May 28, 00:35 UTCMay 28, 03:15 UTC2h 40m
2026-05-27 BKP9008 - May 27, 16:15 UTCMay 27, 16:50 UTC35m
2026-05-27 BKP9007 - May 27, 09:15 UTCMay 27, 09:45 UTC30m
2026-05-27 BKP124 USM → BKK May 27, 03:20 UTCMay 27, 03:59 UTC40m
2026-05-27 BKP123 BKK → USM May 27, 01:19 UTCMay 27, 01:49 UTC30m
2026-05-26 BKP100 USM → BKK May 26, 12:14 UTCMay 27, 00:00 UTC11h 45m
2026-05-26 BKP151 BKK → USM May 26, 08:04 UTCMay 26, 10:50 UTC2h 45m
2026-05-25 BKP186 USM → BKK May 25, 14:30 UTCMay 25, 15:00 UTC30m
2026-05-25 BKP806 HKG → USM May 25, 12:15 UTCMay 25, 13:00 UTC45m
2026-05-25 BKP806 HKG → USM May 25, 10:30 UTCMay 25, 10:45 UTC15m
2026-05-25 BKP807 USM → HKG May 25, 08:50 UTCMay 25, 09:10 UTC20m
2026-05-25 BKP807 USM → HKG May 25, 04:05 UTCMay 25, 07:15 UTC3h 10m
2026-05-25 BKP122 USM → BKK May 25, 02:30 UTCMay 25, 03:00 UTC30m
2026-05-24 BKP180 USM → BKK May 24, 10:05 UTCMay 24, 13:20 UTC3h 15m
2026-05-24 BKP963 USM → SIN May 24, 04:45 UTCMay 24, 08:15 UTC3h 30m
2026-05-24 BKP122 USM → BKK May 24, 02:35 UTCMay 24, 03:10 UTC35m
2026-05-24 BKP121 BKK → USM May 24, 00:35 UTCMay 24, 01:05 UTC30m
2026-05-23 BKP171 BKK → USM May 23, 08:55 UTCMay 23, 11:40 UTC2h 45m
2026-05-23 BKP142 USM → BKK May 23, 05:10 UTCMay 23, 07:55 UTC2h 45m
2026-05-23 BKP124 USM → BKK May 23, 03:20 UTCMay 23, 03:55 UTC35m
2026-05-23 BKP123 BKK → USM May 23, 01:20 UTCMay 23, 01:45 UTC25m
2026-05-22 BKP100 USM → BKK May 22, 12:40 UTCMay 23, 00:00 UTC11h 20m
2026-05-22 BKP151 BKK → USM May 22, 08:00 UTCMay 22, 10:55 UTC2h 55m
2026-05-22 BKP124 USM → BKK May 22, 03:30 UTCMay 22, 04:10 UTC40m
2026-05-22 BKP123 BKK → USM May 22, 01:35 UTCMay 22, 02:05 UTC30m
2026-05-21 BKP962 SIN → USM May 21, 12:15 UTCMay 22, 00:05 UTC11h 50m
2026-05-21 BKP151 BKK → USM May 21, 07:50 UTCMay 21, 10:45 UTC2h 55m
2026-05-20 BKP9006 - May 20, 21:10 UTCMay 20, 21:35 UTC25m
2026-05-20 BKP9005 - May 20, 18:05 UTCMay 20, 19:45 UTC1h 40m
2026-05-20 BKP9004 - May 20, 15:25 UTCMay 20, 15:50 UTC25m
2026-05-20 BKP9004 - May 20, 14:05 UTCMay 20, 14:30 UTC25m
2026-05-20 BKP188 USM → BKK May 20, 08:10 UTCMay 20, 10:55 UTC2h 45m
2026-05-20 BKP941 BKK → LPQ May 20, 03:00 UTCMay 20, 06:50 UTC3h 51m
2026-05-19 BKP180 USM → BKK May 19, 09:30 UTCMay 19, 13:30 UTC4h 0m
2026-05-19 BKP963 USM → SIN May 19, 07:20 UTCMay 19, 07:45 UTC25m
2026-05-19 BKP133 BKK → USM May 19, 04:50 UTCMay 19, 05:15 UTC25m
2026-05-19 BKP122 USM → BKK May 19, 00:35 UTCMay 19, 03:10 UTC2h 35m
2026-05-18 BKP188 USM → BKK May 18, 08:15 UTCMay 18, 10:55 UTC2h 40m
2026-05-18 BKP941 BKK → LPQ May 18, 03:01 UTCMay 18, 06:45 UTC3h 45m
2026-05-17 BKP962 SIN → USM May 17, 12:10 UTCMay 18, 00:00 UTC11h 50m
2026-05-17 BKP151 BKK → USM May 17, 07:40 UTCMay 17, 10:30 UTC2h 50m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the HS-PGX page for operator, model, and routing details .

Mode-S 8840F8 frequently asked

What is Mode-S code 8840F8?
8840F8 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-PGX.
Where is Mode-S 8840F8 registered?
Mode-S code 8840F8 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8840F8 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8840F8, octal 42040370, decimal 8,929,528.
What flights does 8840F8 operate?
Mode-S 8840F8 has broadcast 20 distinct callsigns, including BKP151, BKP124, BKP807, BKP100, BKP806.