Apparatus

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sensors Mode-S transponder

881051

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-DBQ · BOEING 737-800

Hex
881051
Octal
42010121
Decimal
8,917,073
Country
TH
Tail
HS-DBQ
Type
B738
Broadcasting now · callsign NOK327 · 1,475 ft
Flights observed
246
Distinct callsigns
20
Country
TH
Last broadcast
1h ago

Current position

881051 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 881051 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
NOK575 Nok Air 9 2026-06-16
NOK572 - 9 2026-06-17
NOK574 Nok Air 8 2026-06-16
NOK573 - 8 2026-06-17
NOK133 Nok Air 8 2026-06-11
NOK132 Nok Air 8 2026-06-11
NOK531 Nok Air 7 2026-06-08
NOK196 - 7 2026-05-28
NOK172 Nok Air 7 2026-06-14
NOK547 Nok Air 6 2026-05-25
NOK543 Nok Air 6 2026-06-11
NOK307 - 6 2026-06-17
NOK197 - 6 2026-05-28
NOK121 Nok Air 6 2026-06-10
NOK120 Nok Air 6 2026-06-09
NOK593 Nok Air 5 2026-05-18
NOK551 Nok Air 5 2026-06-15
NOK322 - 5 2026-06-16
NOK301 Nok Air 5 2026-06-06
NOK173 - 5 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-17 NOK326 - Jun 17, 09:30 UTCJun 17, 10:00 UTC30m
2026-06-17 NOK307 - Jun 17, 06:05 UTCJun 17, 08:35 UTC2h 30m
2026-06-17 NOK573 - Jun 17, 04:20 UTCJun 17, 05:00 UTC40m
2026-06-17 NOK572 - Jun 17, 02:35 UTCJun 17, 03:05 UTC30m
2026-06-16 NOK300 - Jun 16, 23:15 UTCJun 17, 01:35 UTC2h 20m
2026-06-16 NOK529 HKT → DMK Jun 16, 10:30 UTCJun 16, 13:34 UTC3h 5m
2026-06-16 NOK575 URT → DMK Jun 16, 08:39 UTCJun 16, 09:25 UTC45m
2026-06-16 NOK574 DMK → URT Jun 16, 06:45 UTCJun 16, 07:20 UTC35m
2026-06-16 NOK322 - Jun 16, 02:54 UTCJun 16, 05:25 UTC2h 30m
2026-06-15 NOK551 NST → DMK Jun 15, 23:09 UTCJun 16, 02:00 UTC2h 50m
2026-06-15 NOK135 CNX → DMK Jun 15, 16:30 UTCJun 15, 16:45 UTC15m
2026-06-15 NOK135 CNX → DMK Jun 15, 12:19 UTCJun 15, 14:00 UTC1h 40m
2026-06-15 NOK134 DMK → CNX Jun 15, 10:35 UTCJun 15, 11:34 UTC1h 0m
2026-06-15 NOK575 URT → DMK Jun 15, 06:49 UTCJun 15, 09:30 UTC2h 40m
2026-06-15 NOK573 URT → DMK Jun 15, 04:15 UTCJun 15, 05:00 UTC45m
2026-06-15 NOK572 DMK → URT Jun 15, 02:30 UTCJun 15, 03:00 UTC30m
2026-06-14 NOK557 NST → DMK Jun 14, 10:15 UTCJun 14, 13:00 UTC2h 45m
2026-06-14 NOK575 URT → DMK Jun 14, 08:30 UTCJun 14, 09:20 UTC50m
2026-06-14 NOK574 DMK → URT Jun 14, 06:45 UTCJun 14, 07:20 UTC35m
2026-06-14 NOK172 DMK → URT Jun 14, 03:00 UTCJun 14, 05:40 UTC2h 40m
2026-06-13 NOK551 NST → DMK Jun 13, 23:05 UTCJun 14, 02:00 UTC2h 55m
2026-06-13 NOK135 CNX → DMK Jun 13, 12:30 UTCJun 13, 13:20 UTC50m
2026-06-13 NOK134 DMK → CNX Jun 13, 10:40 UTCJun 13, 11:35 UTC55m
2026-06-13 NOK575 URT → DMK Jun 13, 09:00 UTCJun 13, 09:45 UTC45m
2026-06-13 NOK574 DMK → URT Jun 13, 07:10 UTCJun 13, 07:50 UTC40m
2026-06-13 NOK522 DMK → HKT Jun 13, 03:20 UTCJun 13, 06:15 UTC2h 54m
2026-06-12 NOK551 NST → DMK Jun 12, 23:35 UTCJun 13, 02:20 UTC2h 45m
2026-06-12 NOK508 DMK → HDY Jun 12, 11:20 UTCJun 12, 14:30 UTC3h 10m
2026-06-12 NOK525 HKT → DMK Jun 12, 06:40 UTCJun 12, 09:45 UTC3h 5m
2026-06-12 NOK322 DMK → UBP Jun 12, 03:10 UTCJun 12, 05:30 UTC2h 20m
2026-06-11 NOK551 NST → DMK Jun 11, 23:30 UTCJun 12, 02:05 UTC2h 35m
2026-06-11 NOK509 HDY → DMK Jun 11, 11:45 UTCJun 11, 14:50 UTC3h 5m
2026-06-11 NOK133 CNX → DMK Jun 11, 09:35 UTCJun 11, 10:40 UTC1h 5m
2026-06-11 NOK132 DMK → CNX Jun 11, 07:45 UTCJun 11, 08:35 UTC50m
2026-06-11 NOK543 KBV → DMK Jun 11, 03:35 UTCJun 11, 06:40 UTC3h 5m
2026-06-11 NOK361 - Jun 11, 00:05 UTCJun 11, 02:30 UTC2h 25m
2026-06-10 NOK135 CNX → DMK Jun 10, 12:25 UTCJun 10, 13:15 UTC50m
2026-06-10 NOK134 DMK → CNX Jun 10, 10:40 UTCJun 10, 11:30 UTC50m
2026-06-10 NOK575 URT → DMK Jun 10, 08:40 UTCJun 10, 09:25 UTC45m
2026-06-10 NOK574 DMK → URT Jun 10, 06:50 UTCJun 10, 07:30 UTC40m
2026-06-10 NOK172 DMK → URT Jun 10, 03:10 UTCJun 10, 05:30 UTC2h 20m
2026-06-10 NOK121 CNX → DMK Jun 10, 01:25 UTCJun 10, 02:15 UTC50m
2026-06-09 NOK120 DMK → CNX Jun 9, 23:40 UTCJun 10, 00:30 UTC50m
2026-06-09 NOK326 DMK → UBP Jun 9, 12:05 UTCJun 9, 14:30 UTC2h 25m
2026-06-09 NOK105 CEI → DMK Jun 9, 10:05 UTCJun 9, 11:00 UTC55m
2026-06-09 NOK104 DMK → CEI Jun 9, 08:10 UTCJun 9, 09:00 UTC50m
2026-06-09 NOK573 URT → DMK Jun 9, 04:20 UTCJun 9, 05:05 UTC45m
2026-06-09 NOK572 DMK → URT Jun 9, 02:30 UTCJun 9, 03:10 UTC40m
2026-06-08 NOK531 HKT → DMK Jun 8, 11:55 UTCJun 8, 14:45 UTC2h 50m
2026-06-08 NOK105 CEI → DMK Jun 8, 10:00 UTCJun 8, 10:50 UTC50m

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

Mode-S 881051 frequently asked

What is Mode-S code 881051?
881051 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-DBQ.
Where is Mode-S 881051 registered?
Mode-S code 881051 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 881051 broadcasting right now?
Yes. Mode-S 881051 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 881051, octal 42010121, decimal 8,917,073.
What flights does 881051 operate?
Mode-S 881051 has broadcast 20 distinct callsigns, including NOK575, NOK572, NOK574, NOK573, NOK133.