Apparatus

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sensors Mode-S transponder

8852E1

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-TWA · BOEING 787-9 Dreamliner

Hex
8852E1
Octal
42051341
Decimal
8,934,113
Country
TH
Tail
HS-TWA
Type
B789
Broadcasting now · callsign THA935 · 24,400 ft
Flights observed
311
Distinct callsigns
20
Country
TH
Last broadcast
Jul 26, 22:15 UTC

Current position

8852E1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 8852E1 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
THA671 Thai Airways International 45 2026-07-23
THA670 Thai Airways International 43 2026-07-22
THA481 - 37 2026-07-06
THA483 - 21 2026-06-29
THA482 - 21 2026-07-06
THA484 - 18 2026-06-30
THA418 Thai Airways International 11 2026-07-22
THA417 Thai Airways International 11 2026-07-22
THA941 Thai Airways International 9 2026-06-13
THA940 Thai Airways International 8 2026-06-12
THA346 Thai Airways International 7 2026-07-26
THA345 Thai Airways International 7 2026-07-26
THA645 - 5 2026-07-04
THA644 - 5 2026-07-03
THA416 Thai Airways International 5 2026-07-26
THA415 Thai Airways International 5 2026-07-26
THA923 - 4 2026-06-22
THA922 - 4 2026-06-22
THA435 - 4 2026-06-23
THA325 - 4 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THA346 LHE → BKK Jul 26, 19:05 UTCJul 26, 22:15 UTC3h 10m
2026-07-26 THA345 BKK → LHE Jul 26, 13:30 UTCJul 26, 17:05 UTC3h 35m
2026-07-26 THA416 KUL → BKK Jul 26, 05:35 UTCJul 26, 07:25 UTC1h 51m
2026-07-26 THA415 BKK → KUL Jul 26, 02:20 UTCJul 26, 03:55 UTC1h 35m
2026-07-24 THA935 BRU → BKK Jul 24, 11:50 UTCJul 24, 22:15 UTC10h 25m
2026-07-23 THA934 BKK → BRU Jul 23, 17:40 UTCJul 24, 05:15 UTC11h 35m
2026-07-23 THA671 CTS → BKK Jul 23, 01:55 UTCJul 23, 09:10 UTC7h 15m
2026-07-22 THA670 BKK → CTS Jul 22, 17:25 UTCJul 22, 23:40 UTC6h 15m
2026-07-22 THA418 KUL → BKK Jul 22, 13:30 UTCJul 22, 15:10 UTC1h 40m
2026-07-22 THA417 BKK → KUL Jul 22, 11:15 UTCJul 22, 11:45 UTC30m
2026-07-22 THA415 BKK → KUL Jul 22, 02:20 UTCJul 22, 04:00 UTC1h 40m
2026-07-21 THA346 LHE → BKK Jul 21, 19:35 UTCJul 21, 23:30 UTC3h 55m
2026-07-21 THA345 BKK → LHE Jul 21, 13:35 UTCJul 21, 17:20 UTC3h 45m
2026-07-21 THA671 CTS → BKK Jul 21, 01:55 UTCJul 21, 08:25 UTC6h 30m
2026-07-20 THA670 BKK → CTS Jul 20, 17:25 UTCJul 20, 23:45 UTC6h 20m
2026-07-20 THA671 CTS → BKK Jul 20, 01:45 UTCJul 20, 08:20 UTC6h 35m
2026-07-19 THA670 BKK → CTS Jul 19, 19:40 UTCJul 19, 23:50 UTC4h 10m
2026-07-19 THA670 BKK → CTS Jul 19, 17:20 UTCJul 19, 17:35 UTC15m
2026-07-19 THA635 - Jul 19, 13:55 UTCJul 19, 14:10 UTC15m
2026-07-19 THA635 - Jul 19, 11:10 UTCJul 19, 12:00 UTC50m
2026-07-19 THA634 BKK → TPE Jul 19, 08:25 UTCJul 19, 09:50 UTC1h 25m
2026-07-19 THA634 BKK → TPE Jul 19, 06:10 UTCJul 19, 06:20 UTC10m
2026-07-19 THA663 - Jul 19, 03:50 UTCJul 19, 04:10 UTC20m
2026-07-18 THA662 - Jul 18, 19:00 UTCJul 19, 02:15 UTC7h 15m
2026-07-18 THA662 - Jul 18, 17:45 UTCJul 18, 17:55 UTC10m
2026-07-18 THA671 CTS → BKK Jul 18, 07:40 UTCJul 18, 07:50 UTC10m
2026-07-18 THA671 CTS → BKK Jul 18, 01:50 UTCJul 18, 05:40 UTC3h 51m
2026-07-17 THA670 BKK → CTS Jul 17, 19:45 UTCJul 18, 00:15 UTC4h 30m
2026-07-17 THA670 BKK → CTS Jul 17, 17:30 UTCJul 17, 17:40 UTC10m
2026-07-17 THA623 - Jul 17, 08:00 UTCJul 17, 08:20 UTC20m
2026-07-17 THA623 - Jul 17, 03:20 UTCJul 17, 06:00 UTC2h 40m
2026-07-16 THA622 - Jul 16, 19:45 UTCJul 16, 22:49 UTC3h 5m
2026-07-16 THA622 - Jul 16, 17:40 UTCJul 16, 17:54 UTC15m
2026-07-16 THA671 - Jul 16, 08:15 UTCJul 16, 08:30 UTC15m
2026-07-16 THA671 - Jul 16, 02:10 UTCJul 16, 06:10 UTC4h 0m
2026-07-15 THA670 - Jul 15, 17:55 UTCJul 16, 00:25 UTC6h 30m
2026-07-15 THA671 - Jul 15, 09:30 UTCJul 15, 10:05 UTC35m
2026-07-15 THA671 - Jul 15, 03:50 UTCJul 15, 07:35 UTC3h 45m
2026-07-14 THA670 - Jul 14, 21:30 UTCJul 15, 02:00 UTC4h 29m
2026-07-14 THA671 - Jul 14, 07:55 UTCJul 14, 08:30 UTC35m
2026-07-14 THA671 - Jul 14, 02:00 UTCJul 14, 05:50 UTC3h 50m
2026-07-13 THA670 - Jul 13, 17:50 UTCJul 14, 00:20 UTC6h 30m
2026-07-13 THA418 - Jul 13, 13:20 UTCJul 13, 15:05 UTC1h 45m
2026-07-13 THA417 - Jul 13, 10:55 UTCJul 13, 11:30 UTC35m
2026-07-13 THA417 - Jul 13, 09:55 UTCJul 13, 10:05 UTC10m
2026-07-13 THA671 - Jul 13, 07:50 UTCJul 13, 08:05 UTC15m
2026-07-13 THA671 - Jul 13, 01:50 UTCJul 13, 05:31 UTC3h 40m
2026-07-12 THA670 - Jul 12, 19:45 UTCJul 13, 00:01 UTC4h 15m
2026-07-12 THA670 - Jul 12, 17:20 UTCJul 12, 17:35 UTC15m
2026-07-12 THA657 - Jul 12, 06:20 UTCJul 12, 06:35 UTC15m

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

Mode-S 8852E1 frequently asked

What is Mode-S code 8852E1?
8852E1 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-TWA.
Where is Mode-S 8852E1 registered?
Mode-S code 8852E1 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8852E1 broadcasting right now?
Yes. Mode-S 8852E1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8852E1, octal 42051341, decimal 8,934,113.
What flights does 8852E1 operate?
Mode-S 8852E1 has broadcast 20 distinct callsigns, including THA671, THA670, THA481, THA483, THA482.