Apparatus

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sensors Mode-S transponder

899028

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-50008 · AIRBUS A-320

Hex
899028
Octal
42310050
Decimal
9,015,336
Country
TW
Tail
B-50008
Type
A320
No current signal · last broadcast 5h ago
Flights observed
445
Distinct callsigns
20
Country
TW
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 899028.

Country allocation

The ICAO 24-bit address 899028 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
TTW203 - 20 2026-07-06
TTW202 - 17 2026-07-06
TTW211 - 16 2026-07-09
TTW210 Tigerair Taiwan 15 2026-07-07
TTW701 - 13 2026-06-21
TTW213 - 13 2026-07-13
TTW201 - 13 2026-06-29
TTW217 - 11 2026-06-30
TTW212 - 11 2026-07-13
TTW285 - 10 2026-07-08
TTW215 Tigerair Taiwan 10 2026-06-02
TTW700 - 9 2026-06-21
TTW715 Tigerair Taiwan 8 2026-06-14
TTW662 - 8 2026-06-25
TTW271 - 8 2026-07-07
TTW241 - 8 2026-07-05
TTW240 Tigerair Taiwan 8 2026-07-04
TTW216 Tigerair Taiwan 8 2026-06-30
TTW214 Tigerair Taiwan 8 2026-06-02
TTW663 - 7 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 TTW607 PUS → TPE Jul 14, 12:20 UTCJul 14, 14:20 UTC2h 0m
2026-07-14 TTW606 - Jul 14, 10:30 UTCJul 14, 10:50 UTC20m
2026-07-14 TTW606 - Jul 14, 09:00 UTCJul 14, 09:25 UTC25m
2026-07-14 TTW235 - Jul 14, 03:35 UTCJul 14, 07:05 UTC3h 30m
2026-07-13 TTW234 - Jul 13, 22:40 UTCJul 14, 02:15 UTC3h 35m
2026-07-13 TTW213 KIX → TPE Jul 13, 11:35 UTCJul 13, 13:45 UTC2h 10m
2026-07-13 TTW212 - Jul 13, 07:55 UTCJul 13, 10:15 UTC2h 20m
2026-07-13 TTW743 - Jul 13, 03:15 UTCJul 13, 03:40 UTC25m
2026-07-12 TTW742 - Jul 12, 22:35 UTCJul 12, 23:00 UTC25m
2026-07-12 TTW607 PUS → TPE Jul 12, 12:35 UTCJul 12, 14:35 UTC2h 0m
2026-07-12 TTW606 TPE → PUS Jul 12, 09:45 UTCJul 12, 11:30 UTC1h 45m
2026-07-12 TTW237 - Jul 12, 07:50 UTCJul 12, 08:30 UTC40m
2026-07-12 TTW237 - Jul 12, 04:40 UTCJul 12, 06:40 UTC2h 0m
2026-07-09 TTW236 - Jul 9, 23:15 UTCJul 10, 02:55 UTC3h 40m
2026-07-09 TTW213 - Jul 9, 13:10 UTCJul 9, 13:35 UTC25m
2026-07-09 TTW213 - Jul 9, 11:10 UTCJul 9, 11:50 UTC40m
2026-07-09 TTW212 - Jul 9, 07:50 UTCJul 9, 10:05 UTC2h 15m
2026-07-09 TTW211 - Jul 9, 05:15 UTCJul 9, 05:40 UTC25m
2026-07-09 TTW211 - Jul 9, 03:15 UTCJul 9, 04:00 UTC45m
2026-07-08 TTW284 KHH → KIX Jul 8, 23:10 UTCJul 9, 01:55 UTC2h 45m
2026-07-08 TTW269 - Jul 8, 11:30 UTCJul 8, 14:15 UTC2h 45m
2026-07-08 TTW268 - Jul 8, 09:15 UTCJul 8, 10:00 UTC45m
2026-07-08 TTW268 - Jul 8, 07:15 UTCJul 8, 07:55 UTC40m
2026-07-08 TTW285 - Jul 8, 03:05 UTCJul 8, 05:55 UTC2h 50m
2026-07-07 TTW284 KHH → KIX Jul 7, 23:15 UTCJul 8, 01:50 UTC2h 35m
2026-07-07 TTW271 - Jul 7, 11:45 UTCJul 7, 12:25 UTC40m
2026-07-07 TTW271 - Jul 7, 10:15 UTCJul 7, 10:25 UTC10m
2026-07-07 TTW270 - Jul 7, 08:40 UTCJul 7, 08:55 UTC15m
2026-07-07 TTW270 - Jul 7, 06:50 UTCJul 7, 07:25 UTC35m
2026-07-07 TTW285 KIX → KHH Jul 7, 02:50 UTCJul 7, 05:35 UTC2h 45m
2026-07-07 TTW210 TPE → KIX Jul 7, 00:35 UTCJul 7, 01:10 UTC35m
2026-07-06 TTW210 TPE → KIX Jul 6, 22:55 UTCJul 6, 23:10 UTC15m
2026-07-06 TTW203 - Jul 6, 13:25 UTCJul 6, 13:45 UTC20m
2026-07-06 TTW203 - Jul 6, 10:50 UTCJul 6, 12:10 UTC1h 20m
2026-07-06 TTW202 - Jul 6, 08:10 UTCJul 6, 09:30 UTC1h 20m
2026-07-06 TTW202 - Jul 6, 06:35 UTCJul 6, 06:50 UTC15m
2026-07-05 TTW743 TPE → TPE Jul 5, 22:40 UTCJul 6, 03:35 UTC4h 55m
2026-07-05 TTW255 - Jul 5, 13:05 UTCJul 5, 13:30 UTC25m
2026-07-05 TTW255 - Jul 5, 10:10 UTCJul 5, 11:45 UTC1h 35m
2026-07-05 TTW254 - Jul 5, 05:50 UTCJul 5, 08:30 UTC2h 40m
2026-07-05 TTW241 - Jul 5, 03:50 UTCJul 5, 04:25 UTC35m
2026-07-05 TTW241 - Jul 5, 02:10 UTCJul 5, 02:20 UTC10m
2026-07-04 TTW240 TPE → FUK Jul 4, 23:50 UTCJul 5, 00:10 UTC20m
2026-07-04 TTW240 TPE → FUK Jul 4, 22:20 UTCJul 4, 22:45 UTC25m
2026-07-04 TTW259 - Jul 4, 12:35 UTCJul 4, 12:50 UTC15m
2026-07-04 TTW259 - Jul 4, 09:40 UTCJul 4, 11:05 UTC1h 25m
2026-07-04 TTW258 - Jul 4, 06:15 UTCJul 4, 07:40 UTC1h 25m
2026-07-04 TTW258 - Jul 4, 04:55 UTCJul 4, 05:05 UTC10m
2026-07-04 TTW655 - Jul 4, 02:55 UTCJul 4, 03:15 UTC20m
2026-07-03 TTW654 - Jul 3, 22:50 UTCJul 3, 23:10 UTC20m

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-50008 page for operator, model, and routing details .

Mode-S 899028 frequently asked

What is Mode-S code 899028?
899028 is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-50008.
Where is Mode-S 899028 registered?
Mode-S code 899028 is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 899028 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 899028, octal 42310050, decimal 9,015,336.
What flights does 899028 operate?
Mode-S 899028 has broadcast 20 distinct callsigns, including TTW203, TTW202, TTW211, TTW210, TTW701.