Apparatus

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sensors Mode-S transponder

88105A

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-DBZ · BOEING 737-800

Hex
88105A
Octal
42010132
Decimal
8,917,082
Country
TH
Tail
HS-DBZ
Type
B738
No current signal · last broadcast Jul 25, 14:45 UTC
Flights observed
552
Distinct callsigns
20
Country
TH
Last broadcast
Jul 25, 14:45 UTC

Last known position

Most recent position reported by Mode-S 88105A.

Country allocation

The ICAO 24-bit address 88105A 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
NOK593 Nok Air 23 2026-07-23
NOK148 Nok Air 23 2026-07-22
NOK123 Nok Air 23 2026-07-22
NOK133 - 16 2026-07-21
NOK132 - 16 2026-07-21
NOK573 Nok Air 15 2026-07-22
NOK301 - 13 2026-07-21
NOK572 Nok Air 12 2026-07-22
NOK551 - 12 2026-07-14
NOK197 - 12 2026-07-17
NOK196 - 12 2026-07-17
NOK172 Nok Air 12 2026-07-25
NOK547 Nok Air 11 2026-06-16
NOK173 - 11 2026-07-25
NOK134 - 11 2026-07-14
NOK604 - 10 2026-07-17
NOK529 Nok Air 10 2026-07-25
NOK322 - 10 2026-06-21
NOK300 - 10 2026-07-13
NOK105 - 10 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 NOK529 HKT → DMK Jul 25, 11:35 UTCJul 25, 14:45 UTC3h 10m
2026-07-25 NOK524 DMK → HKT Jul 25, 06:50 UTCJul 25, 10:25 UTC3h 35m
2026-07-25 NOK173 - Jul 25, 05:00 UTCJul 25, 05:45 UTC45m
2026-07-25 NOK172 DMK → URT Jul 25, 03:15 UTCJul 25, 03:45 UTC30m
2026-07-25 NOK121 CNX → DMK Jul 25, 01:20 UTCJul 25, 02:10 UTC50m
2026-07-24 NOK120 DMK → CNX Jul 24, 23:40 UTCJul 25, 00:30 UTC50m
2026-07-24 NOK546 - Jul 24, 10:10 UTCJul 24, 13:10 UTC3h 0m
2026-07-24 NOK361 - Jul 24, 00:15 UTCJul 24, 02:50 UTC2h 35m
2026-07-23 NOK546 - Jul 23, 10:20 UTCJul 23, 13:15 UTC2h 55m
2026-07-23 NOK593 TST → DMK Jul 23, 06:05 UTCJul 23, 09:15 UTC3h 10m
2026-07-23 NOK101 CEI → DMK Jul 23, 03:40 UTCJul 23, 04:35 UTC55m
2026-07-23 NOK100 DMK → CEI Jul 23, 01:45 UTCJul 23, 02:45 UTC1h 0m
2026-07-22 NOK123 CNX → DMK Jul 22, 23:50 UTCJul 23, 00:40 UTC50m
2026-07-22 NOK148 DMK → CNX Jul 22, 15:10 UTCJul 22, 16:05 UTC55m
2026-07-22 NOK529 HKT → DMK Jul 22, 11:20 UTCJul 22, 14:20 UTC3h 0m
2026-07-22 NOK573 URT → DMK Jul 22, 04:30 UTCJul 22, 05:10 UTC40m
2026-07-22 NOK572 DMK → URT Jul 22, 02:40 UTCJul 22, 03:20 UTC40m
2026-07-21 NOK301 - Jul 21, 23:10 UTCJul 22, 01:35 UTC2h 25m
2026-07-21 NOK531 HKT → DMK Jul 21, 12:05 UTCJul 21, 15:05 UTC3h 0m
2026-07-21 NOK133 - Jul 21, 09:50 UTCJul 21, 10:45 UTC55m
2026-07-21 NOK132 - Jul 21, 07:55 UTCJul 21, 08:50 UTC55m
2026-07-21 NO543 - Jul 21, 03:45 UTCJul 21, 06:40 UTC2h 55m
2026-07-21 NOK121 CNX → DMK Jul 21, 01:45 UTCJul 21, 02:40 UTC55m
2026-07-20 NOK120 DMK → CNX Jul 20, 23:50 UTCJul 21, 00:40 UTC50m
2026-07-19 NOK509 HDY → DMK Jul 19, 12:00 UTCJul 19, 15:00 UTC3h 0m
2026-07-19 NOK133 - Jul 19, 10:00 UTCJul 19, 10:50 UTC50m
2026-07-19 NOK132 - Jul 19, 08:05 UTCJul 19, 09:00 UTC55m
2026-07-19 NOK125 - Jul 19, 06:25 UTCJul 19, 07:15 UTC50m
2026-07-19 NOK124 DMK → CNX Jul 19, 04:30 UTCJul 19, 05:25 UTC55m
2026-07-19 NOK5767 - Jul 19, 00:15 UTCJul 19, 03:30 UTC3h 15m
2026-07-18 NOK509 HDY → DMK Jul 18, 13:50 UTCJul 18, 14:40 UTC50m
2026-07-18 NOK508 DMK → HDY Jul 18, 11:35 UTCJul 18, 12:15 UTC40m
2026-07-18 NOK133 - Jul 18, 09:40 UTCJul 18, 10:35 UTC55m
2026-07-18 NOK132 - Jul 18, 07:40 UTCJul 18, 08:40 UTC1h 0m
2026-07-18 NOK101 - Jul 18, 03:50 UTCJul 18, 04:50 UTC1h 0m
2026-07-18 NOK100 - Jul 18, 01:50 UTCJul 18, 02:50 UTC1h 1m
2026-07-17 NOK123 - Jul 17, 23:55 UTCJul 18, 00:50 UTC55m
2026-07-17 NOK148 DMK → CNX Jul 17, 15:00 UTCJul 17, 15:49 UTC50m
2026-07-17 NOK604 - Jul 17, 11:10 UTCJul 17, 13:15 UTC2h 5m
2026-07-17 NOK197 - Jul 17, 09:40 UTCJul 17, 10:15 UTC35m
2026-07-17 NOK196 - Jul 17, 07:50 UTCJul 17, 08:20 UTC30m
2026-07-17 NOK523 - Jul 17, 02:45 UTCJul 17, 05:55 UTC3h 10m
2026-07-16 NOK604 - Jul 16, 11:15 UTCJul 16, 13:20 UTC2h 5m
2026-07-16 NOK197 - Jul 16, 09:40 UTCJul 16, 10:15 UTC35m
2026-07-16 NOK196 - Jul 16, 08:00 UTCJul 16, 08:30 UTC30m
2026-07-16 NOK543 - Jul 16, 03:10 UTCJul 16, 06:05 UTC2h 55m
2026-07-15 NOK536 DMK → HKT Jul 15, 14:35 UTCJul 16, 01:50 UTC11h 15m
2026-07-15 NOK557 NST → DMK Jul 15, 12:20 UTCJul 15, 13:10 UTC50m
2026-07-15 NJK556 - Jul 15, 10:25 UTCJul 15, 11:00 UTC35m
2026-07-15 NOK365 - Jul 15, 09:15 UTCJul 15, 09:25 UTC10m

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

Mode-S 88105A frequently asked

What is Mode-S code 88105A?
88105A is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-DBZ.
Where is Mode-S 88105A registered?
Mode-S code 88105A is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 88105A broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 14:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 88105A, octal 42010132, decimal 8,917,082.
What flights does 88105A operate?
Mode-S 88105A has broadcast 20 distinct callsigns, including NOK593, NOK148, NOK123, NOK133, NOK132.