Apparatus

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sensors Mode-S transponder

885281

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-TTA · BOEING 777-300ER

Hex
885281
Octal
42051201
Decimal
8,934,017
Country
TH
Tail
HS-TTA
Type
B77W
No current signal · last broadcast 1h ago
Flights observed
223
Distinct callsigns
8
Country
TH
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 885281.

Country allocation

The ICAO 24-bit address 885281 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 8 distinct

Callsign Airline Flights Last seen
THA910 - 49 2026-07-11
THA676 - 47 2026-07-14
THA677 - 45 2026-07-11
THA911 - 42 2026-07-12
THA623 - 17 2026-06-21
THA622 - 16 2026-06-20
THA673 - 4 2026-07-13
THA672 - 3 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 THA676 - Jul 14, 03:10 UTCJul 14, 06:15 UTC3h 5m
2026-07-14 THA676 - Jul 14, 01:05 UTCJul 14, 01:15 UTC10m
2026-07-13 THA673 - Jul 13, 13:35 UTCJul 13, 13:50 UTC15m
2026-07-13 THA673 - Jul 13, 08:55 UTCJul 13, 11:35 UTC2h 40m
2026-07-13 THA672 - Jul 13, 01:45 UTCJul 13, 06:55 UTC5h 10m
2026-07-12 THA911 - Jul 12, 12:01 UTCJul 12, 22:35 UTC10h 35m
2026-07-11 THA910 - Jul 11, 18:15 UTCJul 12, 06:05 UTC11h 50m
2026-07-11 THA677 - Jul 11, 14:35 UTCJul 11, 14:45 UTC10m
2026-07-11 THA677 - Jul 11, 09:10 UTCJul 11, 12:10 UTC3h 0m
2026-07-11 THA676 - Jul 11, 01:20 UTCJul 11, 07:15 UTC5h 55m
2026-07-10 THA677 - Jul 10, 08:45 UTCJul 10, 14:25 UTC5h 40m
2026-07-10 THA676 - Jul 10, 01:05 UTCJul 10, 06:55 UTC5h 50m
2026-07-09 THA911 - Jul 9, 12:00 UTCJul 9, 22:45 UTC10h 45m
2026-07-08 THA910 - Jul 8, 18:10 UTCJul 9, 05:50 UTC11h 40m
2026-07-08 THA677 - Jul 8, 08:35 UTCJul 8, 14:55 UTC6h 20m
2026-07-08 THA676 - Jul 8, 01:10 UTCJul 8, 06:50 UTC5h 40m
2026-07-07 THA673 KIX → BKK Jul 7, 08:50 UTCJul 7, 13:55 UTC5h 5m
2026-07-07 THA672 - Jul 7, 01:40 UTCJul 7, 06:45 UTC5h 5m
2026-07-06 THA911 LHR → BKK Jul 6, 12:00 UTCJul 6, 22:55 UTC10h 55m
2026-07-05 THA910 BKK → LHR Jul 5, 18:05 UTCJul 5, 19:10 UTC1h 5m
2026-07-05 THA677 NRT → BKK Jul 5, 08:55 UTCJul 5, 14:35 UTC5h 40m
2026-07-05 THA676 - Jul 5, 01:15 UTCJul 5, 07:00 UTC5h 45m
2026-07-04 THA677 NRT → BKK Jul 4, 08:55 UTCJul 4, 14:35 UTC5h 40m
2026-07-04 THA676 - Jul 4, 01:15 UTCJul 4, 07:05 UTC5h 50m
2026-07-03 THA673 - Jul 3, 08:55 UTCJul 3, 14:00 UTC5h 5m
2026-07-03 THA672 - Jul 3, 01:45 UTCJul 3, 06:45 UTC5h 0m
2026-07-02 THA911 LHR → BKK Jul 2, 12:05 UTCJul 2, 22:55 UTC10h 50m
2026-07-01 THA910 BKK → LHR Jul 1, 18:15 UTCJul 1, 19:20 UTC1h 5m
2026-07-01 THA677 NRT → BKK Jul 1, 08:35 UTCJul 1, 12:00 UTC3h 25m
2026-07-01 THA676 - Jul 1, 01:10 UTCJul 1, 06:50 UTC5h 40m
2026-06-30 THA911 LHR → BKK Jun 30, 11:55 UTCJun 30, 22:45 UTC10h 50m
2026-06-29 THA910 BKK → LHR Jun 29, 18:14 UTCJun 30, 06:05 UTC11h 51m
2026-06-29 THA677 NRT → BKK Jun 29, 08:44 UTCJun 29, 14:29 UTC5h 45m
2026-06-29 THA676 - Jun 29, 01:14 UTCJun 29, 06:54 UTC5h 40m
2026-06-28 THA911 LHR → BKK Jun 28, 12:05 UTCJun 28, 22:59 UTC10h 55m
2026-06-27 THA910 BKK → LHR Jun 27, 18:04 UTCJun 28, 05:55 UTC11h 50m
2026-06-27 THA677 NRT → BKK Jun 27, 09:24 UTCJun 27, 15:10 UTC5h 45m
2026-06-27 THA676 - Jun 27, 01:15 UTCJun 27, 06:54 UTC5h 40m
2026-06-26 THA911 LHR → BKK Jun 26, 11:49 UTCJun 26, 22:55 UTC11h 5m
2026-06-25 THA910 BKK → LHR Jun 25, 18:10 UTCJun 25, 21:50 UTC3h 40m
2026-06-25 THA677 NRT → BKK Jun 25, 08:50 UTCJun 25, 14:59 UTC6h 10m
2026-06-25 THA676 - Jun 25, 01:04 UTCJun 25, 06:44 UTC5h 40m
2026-06-24 THA911 LHR → BKK Jun 24, 11:50 UTCJun 24, 22:49 UTC11h 0m
2026-06-23 THA910 BKK → LHR Jun 23, 18:10 UTCJun 24, 06:04 UTC11h 55m
2026-06-23 THA677 NRT → BKK Jun 23, 08:39 UTCJun 23, 14:19 UTC5h 40m
2026-06-23 THA676 - Jun 23, 01:10 UTCJun 23, 06:49 UTC5h 40m
2026-06-22 THA911 LHR → BKK Jun 22, 12:25 UTCJun 22, 23:10 UTC10h 45m
2026-06-21 THA910 BKK → LHR Jun 21, 18:04 UTCJun 21, 21:44 UTC3h 40m
2026-06-21 THA623 KIX → BKK Jun 21, 03:10 UTCJun 21, 08:15 UTC5h 5m
2026-06-20 THA622 - Jun 20, 17:49 UTCJun 20, 23:04 UTC5h 15m

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

Mode-S 885281 frequently asked

What is Mode-S code 885281?
885281 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-TTA.
Where is Mode-S 885281 registered?
Mode-S code 885281 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 885281 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 885281, octal 42051201, decimal 8,934,017.
What flights does 885281 operate?
Mode-S 885281 has broadcast 8 distinct callsigns, including THA910, THA676, THA677, THA911, THA623.