Apparatus

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sensors Mode-S transponder

8850B6

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-TEV · AIRBUS A-330-300

Hex
8850B6
Octal
42050266
Decimal
8,933,558
Country
TH
Tail
HS-TEV
Type
A333
No current signal · last broadcast 8h ago
Flights observed
342
Distinct callsigns
20
Country
TH
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 8850B6.

Country allocation

The ICAO 24-bit address 8850B6 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
THA433 - 64 2026-07-09
THA434 - 47 2026-07-09
THA338 - 28 2026-06-24
THA321 - 28 2026-07-14
THA322 - 26 2026-07-14
THA337 - 20 2026-07-09
THA323 - 20 2026-06-28
THA324 - 19 2026-06-28
THA342 - 16 2026-07-12
THA341 - 13 2026-07-04
THA340 - 10 2026-06-29
THA339 - 9 2026-06-29
THA330 - 7 2026-07-01
THA319 Thai Airways International 6 2026-05-15
THA329 Thai Airways International 5 2026-06-01
THA320 Thai Airways International 5 2026-05-15
THA618 - 3 2026-07-05
THA350 - 2 2026-07-11
THA121 Thai Airways International 2 2026-06-13
THA120 Thai Airways International 2 2026-06-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 THA322 - Jul 14, 08:05 UTCJul 14, 09:45 UTC1h 40m
2026-07-14 THA321 - Jul 14, 03:55 UTCJul 14, 06:00 UTC2h 5m
2026-07-13 THA349 - Jul 13, 12:40 UTCJul 13, 23:55 UTC11h 15m
2026-07-13 THA322 - Jul 13, 08:01 UTCJul 13, 10:00 UTC2h 0m
2026-07-13 THA321 - Jul 13, 04:00 UTCJul 13, 06:01 UTC2h 0m
2026-07-12 THA342 - Jul 12, 12:35 UTCJul 12, 23:35 UTC11h 0m
2026-07-12 THA322 - Jul 12, 08:05 UTCJul 12, 10:10 UTC2h 5m
2026-07-12 THA321 - Jul 12, 03:45 UTCJul 12, 06:15 UTC2h 30m
2026-07-11 THA350 - Jul 11, 12:50 UTCJul 11, 23:25 UTC10h 35m
2026-07-11 THA322 - Jul 11, 09:35 UTCJul 11, 09:55 UTC20m
2026-07-11 THA322 - Jul 11, 07:50 UTCJul 11, 08:25 UTC35m
2026-07-11 THA321 - Jul 11, 04:01 UTCJul 11, 06:05 UTC2h 5m
2026-07-10 THA342 - Jul 10, 12:40 UTCJul 10, 23:35 UTC10h 55m
2026-07-10 THA322 - Jul 10, 08:10 UTCJul 10, 10:20 UTC2h 10m
2026-07-10 THA321 - Jul 10, 03:55 UTCJul 10, 06:15 UTC2h 20m
2026-07-09 THA337 - Jul 9, 15:25 UTCJul 9, 22:50 UTC7h 25m
2026-07-09 THA434 CGK → BKK Jul 9, 06:00 UTCJul 9, 09:05 UTC3h 5m
2026-07-09 THA433 - Jul 9, 01:30 UTCJul 9, 04:25 UTC2h 55m
2026-07-08 THA337 - Jul 8, 15:40 UTCJul 8, 23:10 UTC7h 30m
2026-07-08 THA434 - Jul 8, 06:10 UTCJul 8, 09:05 UTC2h 55m
2026-07-08 THA433 - Jul 8, 04:15 UTCJul 8, 04:25 UTC10m
2026-07-08 THA433 - Jul 8, 01:30 UTCJul 8, 03:40 UTC2h 10m
2026-07-07 THA337 - Jul 7, 15:20 UTCJul 7, 22:55 UTC7h 35m
2026-07-07 THA322 - Jul 7, 07:55 UTCJul 7, 10:15 UTC2h 20m
2026-07-07 THA321 - Jul 7, 03:50 UTCJul 7, 05:00 UTC1h 10m
2026-07-06 THA350 - Jul 6, 12:35 UTCJul 6, 23:25 UTC10h 50m
2026-07-06 THA434 - Jul 6, 06:25 UTCJul 6, 09:30 UTC3h 5m
2026-07-06 THA433 - Jul 6, 04:05 UTCJul 6, 04:20 UTC15m
2026-07-06 THA433 - Jul 6, 01:20 UTCJul 6, 03:30 UTC2h 10m
2026-07-05 THA337 - Jul 5, 15:20 UTCJul 5, 22:30 UTC7h 10m
2026-07-05 THA618 - Jul 5, 03:35 UTCJul 5, 10:40 UTC7h 5m
2026-07-04 THA341 - Jul 4, 13:25 UTCJul 5, 00:05 UTC10h 40m
2026-07-04 THA322 DAC → BKK Jul 4, 07:50 UTCJul 4, 10:00 UTC2h 10m
2026-07-04 THA321 - Jul 4, 04:00 UTCJul 4, 06:05 UTC2h 5m
2026-07-03 THA337 - Jul 3, 15:40 UTCJul 3, 23:05 UTC7h 25m
2026-07-03 THA618 - Jul 3, 03:40 UTCJul 3, 10:50 UTC7h 10m
2026-07-02 THA341 - Jul 2, 12:50 UTCJul 2, 23:35 UTC10h 45m
2026-07-02 THA434 - Jul 2, 06:15 UTCJul 2, 09:20 UTC3h 5m
2026-07-02 THA433 - Jul 2, 02:55 UTCJul 2, 04:35 UTC1h 40m
2026-07-01 THA330 - Jul 1, 16:05 UTCJul 1, 22:40 UTC6h 35m
2026-07-01 THA619 - Jul 1, 10:25 UTCJul 1, 10:50 UTC25m
2026-07-01 THA618 - Jul 1, 03:40 UTCJul 1, 05:05 UTC1h 25m
2026-06-30 THA337 - Jun 30, 15:10 UTCJun 30, 22:55 UTC7h 45m
2026-06-30 THA322 - Jun 30, 08:00 UTCJun 30, 10:15 UTC2h 15m
2026-06-30 THA321 - Jun 30, 04:20 UTCJun 30, 06:25 UTC2h 5m
2026-06-29 THA340 - Jun 29, 21:30 UTCJun 29, 23:34 UTC2h 5m
2026-06-29 THA339 BKK → DAC Jun 29, 17:14 UTCJun 29, 19:24 UTC2h 10m
2026-06-29 THA322 DAC → BKK Jun 29, 07:55 UTCJun 29, 10:10 UTC2h 15m
2026-06-29 THA321 BKK → DAC Jun 29, 03:49 UTCJun 29, 05:59 UTC2h 10m
2026-06-28 THA337 - Jun 28, 15:20 UTCJun 28, 22:49 UTC7h 30m

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-TEV page for operator, model, and routing details .

Mode-S 8850B6 frequently asked

What is Mode-S code 8850B6?
8850B6 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-TEV.
Where is Mode-S 8850B6 registered?
Mode-S code 8850B6 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8850B6 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8850B6, octal 42050266, decimal 8,933,558.
What flights does 8850B6 operate?
Mode-S 8850B6 has broadcast 20 distinct callsigns, including THA433, THA434, THA338, THA321, THA322.