Apparatus

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sensors Mode-S transponder

89902B

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-50016 · AIRBUS A-320

Hex
89902B
Octal
42310053
Decimal
9,015,339
Country
TW
Tail
B-50016
Type
A320
No current signal · last broadcast Jul 26, 12:50 UTC
Flights observed
424
Distinct callsigns
20
Country
TW
Last broadcast
Jul 26, 12:50 UTC

Last known position

Most recent position reported by Mode-S 89902B.

Country allocation

The ICAO 24-bit address 89902B falls within the block assigned to Taiwan (TW) by ICAO Annex 10, Volume III. Every aircraft registered in Taiwan 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
TTW217 - 16 2026-07-05
TTW241 - 13 2026-07-15
TTW216 Tigerair Taiwan 13 2026-07-05
TTW215 - 12 2026-07-13
TTW214 - 12 2026-07-13
TTW240 - 10 2026-07-15
TTW230 - 10 2026-07-13
TTW662 Tigerair Taiwan 9 2026-07-25
TTW289 Tigerair Taiwan 9 2026-07-25
TTW233 Tigerair Taiwan 9 2026-07-22
TTW212 - 9 2026-07-10
TTW206 - 9 2026-07-06
TTW288 Tigerair Taiwan 8 2026-07-25
TTW285 - 8 2026-07-18
TTW284 - 8 2026-07-17
TTW255 - 8 2026-07-07
TTW231 - 8 2026-07-13
TTW211 Tigerair Taiwan 8 2026-06-07
TTW201 Tigerair Taiwan 8 2026-07-22
TTW663 Tigerair Taiwan 7 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TTW271 FUK → KHH Jul 26, 11:45 UTCJul 26, 12:35 UTC50m
2026-07-26 TTW271 FUK → KHH Jul 26, 10:25 UTCJul 26, 10:40 UTC15m
2026-07-26 TTW270 KHH → FUK Jul 26, 06:30 UTCJul 26, 08:55 UTC2h 26m
2026-07-25 TTW663 GMP → KHH Jul 25, 12:05 UTCJul 25, 14:25 UTC2h 20m
2026-07-25 TTW662 KHH → GMP Jul 25, 08:20 UTCJul 25, 10:55 UTC2h 35m
2026-07-25 TTW289 OKA → KHH Jul 25, 06:05 UTCJul 25, 06:55 UTC50m
2026-07-25 TTW288 KHH → OKA Jul 25, 02:15 UTCJul 25, 03:00 UTC45m
2026-07-24 TTW663 GMP → KHH Jul 24, 11:55 UTCJul 24, 14:30 UTC2h 35m
2026-07-24 TTW662 KHH → GMP Jul 24, 08:15 UTCJul 24, 10:45 UTC2h 30m
2026-07-24 TTW281 NRT → KHH Jul 24, 03:25 UTCJul 24, 06:45 UTC3h 20m
2026-07-24 TTW200 TPE → NRT Jul 24, 00:40 UTCJul 24, 02:00 UTC1h 20m
2026-07-23 TTW200 TPE → NRT Jul 23, 23:05 UTCJul 23, 23:20 UTC15m
2026-07-23 TTW707 - Jul 23, 15:35 UTCJul 23, 15:50 UTC15m
2026-07-23 TTW707 - Jul 23, 13:30 UTCJul 23, 14:15 UTC45m
2026-07-23 TTW706 - Jul 23, 10:00 UTCJul 23, 12:10 UTC2h 10m
2026-07-23 TTW257 AXT → TPE Jul 23, 08:05 UTCJul 23, 08:20 UTC15m
2026-07-23 TTW257 AXT → TPE Jul 23, 05:35 UTCJul 23, 06:50 UTC1h 15m
2026-07-23 TTW256 TPE → AXT Jul 23, 01:00 UTCJul 23, 03:00 UTC2h 0m
2026-07-23 TTW256 TPE → AXT Jul 23, 00:20 UTCJul 23, 00:30 UTC10m
2026-07-22 TTW233 OKA → TPE Jul 22, 13:50 UTCJul 22, 14:15 UTC25m
2026-07-22 TTW233 OKA → TPE Jul 22, 13:00 UTCJul 22, 13:10 UTC10m
2026-07-22 TTW232 TPE → OKA Jul 22, 11:30 UTCJul 22, 11:35 UTC5m
2026-07-22 TTW201 NRT → TPE Jul 22, 05:05 UTCJul 22, 05:25 UTC20m
2026-07-22 TTW280 KHH → NRT Jul 22, 00:20 UTCJul 22, 03:35 UTC3h 15m
2026-07-21 TTW767 KMJ → KHH Jul 21, 13:00 UTCJul 21, 13:40 UTC40m
2026-07-21 TTW767 KMJ → KHH Jul 21, 11:35 UTCJul 21, 11:45 UTC10m
2026-07-21 TTW794 TNN → KMJ Jul 21, 08:20 UTCJul 21, 08:55 UTC35m
2026-07-21 TTW795 KMJ → TNN Jul 21, 06:00 UTCJul 21, 06:50 UTC50m
2026-07-21 TTW795 KMJ → TNN Jul 21, 04:40 UTCJul 21, 04:50 UTC10m
2026-07-21 TTW766 KHH → KMJ Jul 21, 03:00 UTCJul 21, 03:10 UTC10m
2026-07-21 TTW766 KHH → KMJ Jul 21, 01:00 UTCJul 21, 01:40 UTC40m
2026-07-20 TTW663 GMP → KHH Jul 20, 11:55 UTCJul 20, 14:25 UTC2h 30m
2026-07-20 TTW662 KHH → GMP Jul 20, 10:05 UTCJul 20, 10:50 UTC45m
2026-07-20 TTW662 KHH → GMP Jul 20, 08:20 UTCJul 20, 09:05 UTC45m
2026-07-20 TTW281 NRT → KHH Jul 20, 03:15 UTCJul 20, 06:35 UTC3h 20m
2026-07-19 TTW200 TPE → NRT Jul 19, 22:50 UTCJul 20, 01:45 UTC2h 55m
2026-07-19 TTW233 - Jul 19, 10:00 UTCJul 19, 11:15 UTC1h 15m
2026-07-19 TTW796 - Jul 19, 07:30 UTCJul 19, 07:50 UTC20m
2026-07-19 TTW797 - Jul 19, 05:25 UTCJul 19, 05:55 UTC30m
2026-07-19 TTW288 - Jul 19, 01:40 UTCJul 19, 02:05 UTC25m
2026-07-18 TTW269 - Jul 18, 11:30 UTCJul 18, 14:05 UTC2h 35m
2026-07-18 TTW268 - Jul 18, 07:25 UTCJul 18, 10:05 UTC2h 40m
2026-07-18 TTW285 KIX → KHH Jul 18, 03:20 UTCJul 18, 06:00 UTC2h 40m
2026-07-17 TTW284 KHH → KIX Jul 17, 23:25 UTCJul 18, 02:09 UTC2h 45m
2026-07-17 TTW663 - Jul 17, 12:00 UTCJul 17, 14:20 UTC2h 20m
2026-07-17 TTW662 - Jul 17, 10:20 UTCJul 17, 10:55 UTC35m
2026-07-17 TTW662 - Jul 17, 08:30 UTCJul 17, 09:15 UTC45m
2026-07-17 TTW281 NRT → KHH Jul 17, 03:45 UTCJul 17, 07:00 UTC3h 15m
2026-07-16 TTW200 TPE → NRT Jul 16, 22:59 UTCJul 17, 02:05 UTC3h 5m
2026-07-16 TTW607 - Jul 16, 14:10 UTCJul 16, 14:40 UTC30m

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 B-50016 page for operator, model, and routing details .

Mode-S 89902B frequently asked

What is Mode-S code 89902B?
89902B is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-50016.
Where is Mode-S 89902B registered?
Mode-S code 89902B is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 89902B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 12:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 89902B, octal 42310053, decimal 9,015,339.
What flights does 89902B operate?
Mode-S 89902B has broadcast 20 distinct callsigns, including TTW217, TTW241, TTW216, TTW215, TTW214.