Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

89904F

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-16209 · AIRBUS A-321

Hex
89904F
Octal
42310117
Decimal
9,015,375
Country
TW
Tail
B-16209
Type
A321
No current signal · last broadcast 9h ago
Flights observed
329
Distinct callsigns
20
Country
TW
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S 89904F.

Country allocation

The ICAO 24-bit address 89904F 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
EVA121 - 27 2026-07-03
EVA165 - 25 2026-07-13
EVA166 - 23 2026-07-12
EVA122 - 23 2026-07-03
EVA258 - 17 2026-07-09
EVA257 - 17 2026-07-09
EVA117 - 13 2026-07-06
EVA101 - 13 2026-07-12
EVA810 - 12 2026-07-09
EVA809 - 12 2026-07-09
EVA118 - 12 2026-07-06
EVA157 - 9 2026-07-12
EVA102 - 9 2026-07-12
EVA181 EVA Air 8 2026-04-22
EVA158 - 7 2026-07-12
EVA706 EVA Air 5 2026-04-21
EVA134 - 5 2026-07-10
EVA133 - 5 2026-07-10
EVA868 - 4 2026-06-26
EVA867 - 4 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EVA870 HKG → TPE Jul 14, 08:45 UTCJul 14, 10:15 UTC1h 30m
2026-07-14 EVA869 TPE → HKG Jul 14, 05:35 UTCJul 14, 06:55 UTC1h 20m
2026-07-13 EVA185 - Jul 13, 12:25 UTCJul 13, 13:35 UTC1h 10m
2026-07-13 EVA186 - Jul 13, 09:45 UTCJul 13, 10:55 UTC1h 10m
2026-07-13 EVA165 CTS → TPE Jul 13, 04:35 UTCJul 13, 08:10 UTC3h 35m
2026-07-12 EVA166 - Jul 12, 23:20 UTCJul 13, 02:55 UTC3h 35m
2026-07-12 EVA101 - Jul 12, 10:35 UTCJul 12, 12:30 UTC1h 55m
2026-07-12 EVA102 - Jul 12, 07:15 UTCJul 12, 09:10 UTC1h 55m
2026-07-12 EVA157 - Jul 12, 03:05 UTCJul 12, 05:45 UTC2h 40m
2026-07-12 EVA158 - Jul 12, 00:01 UTCJul 12, 01:10 UTC1h 10m
2026-07-11 EVA158 - Jul 11, 22:40 UTCJul 11, 23:05 UTC25m
2026-07-10 EVA133 UKB → TPE Jul 10, 02:35 UTCJul 10, 04:55 UTC2h 20m
2026-07-10 EVA134 - Jul 10, 00:00 UTCJul 10, 00:45 UTC45m
2026-07-09 EVA134 - Jul 9, 22:30 UTCJul 9, 22:50 UTC20m
2026-07-09 EVA810 - Jul 9, 14:25 UTCJul 9, 16:05 UTC1h 40m
2026-07-09 EVA809 - Jul 9, 11:30 UTCJul 9, 12:40 UTC1h 10m
2026-07-09 EVA258 - Jul 9, 05:00 UTCJul 9, 08:20 UTC3h 20m
2026-07-09 EVA257 - Jul 9, 00:25 UTCJul 9, 03:40 UTC3h 15m
2026-07-08 EVA258 - Jul 8, 05:15 UTCJul 8, 08:35 UTC3h 20m
2026-07-08 EVA257 TPE → CNX Jul 8, 00:15 UTCJul 8, 03:50 UTC3h 35m
2026-07-07 EVA810 HKG → TPE Jul 7, 15:00 UTCJul 7, 16:20 UTC1h 20m
2026-07-07 EVA809 TPE → HKG Jul 7, 11:50 UTCJul 7, 13:25 UTC1h 35m
2026-07-07 EVA258 - Jul 7, 05:05 UTCJul 7, 08:40 UTC3h 35m
2026-07-07 EVA257 - Jul 7, 00:00 UTCJul 7, 03:30 UTC3h 30m
2026-07-06 EVA117 - Jul 6, 09:55 UTCJul 6, 10:25 UTC30m
2026-07-06 EVA117 - Jul 6, 07:20 UTCJul 6, 08:45 UTC1h 25m
2026-07-06 EVA118 - Jul 6, 02:15 UTCJul 6, 05:00 UTC2h 45m
2026-07-05 EVA262 MNL → TPE Jul 5, 22:00 UTCJul 5, 23:40 UTC1h 40m
2026-07-05 EVA261 TPE → MNL Jul 5, 12:45 UTCJul 5, 14:40 UTC1h 55m
2026-07-05 EVA165 - Jul 5, 04:20 UTCJul 5, 08:05 UTC3h 45m
2026-07-05 EVA166 - Jul 5, 00:40 UTCJul 5, 02:50 UTC2h 10m
2026-07-04 EVA166 - Jul 4, 23:20 UTCJul 4, 23:35 UTC15m
2026-07-04 EVA258 - Jul 4, 07:40 UTCJul 4, 08:40 UTC1h 0m
2026-07-04 EVA258 - Jul 4, 05:00 UTCJul 4, 05:25 UTC25m
2026-07-04 EVA257 - Jul 4, 00:00 UTCJul 4, 03:20 UTC3h 20m
2026-07-03 EVA121 - Jul 3, 06:40 UTCJul 3, 10:05 UTC3h 25m
2026-07-03 EVA122 - Jul 3, 02:10 UTCJul 3, 05:15 UTC3h 5m
2026-07-02 EVA165 - Jul 2, 04:10 UTCJul 2, 07:55 UTC3h 45m
2026-07-01 EVA166 TPE → CTS Jul 1, 23:15 UTCJul 2, 02:30 UTC3h 15m
2026-07-01 EVA386 - Jul 1, 11:25 UTCJul 1, 13:45 UTC2h 20m
2026-07-01 EVA385 - Jul 1, 07:05 UTCJul 1, 09:20 UTC2h 15m
2026-07-01 EVA109 - Jul 1, 04:40 UTCJul 1, 05:10 UTC30m
2026-07-01 EVA109 - Jul 1, 03:05 UTCJul 1, 03:20 UTC15m
2026-06-30 EVA110 - Jun 30, 23:00 UTCJun 30, 23:15 UTC15m
2026-06-30 EVA117 - Jun 30, 07:20 UTCJun 30, 10:25 UTC3h 5m
2026-06-30 EVA118 - Jun 30, 03:55 UTCJun 30, 05:00 UTC1h 5m
2026-06-30 EVA118 - Jun 30, 02:20 UTCJun 30, 02:35 UTC15m
2026-06-29 EVA262 MNL → TPE Jun 29, 22:00 UTCJun 29, 23:39 UTC1h 40m
2026-06-29 EVA261 - Jun 29, 12:45 UTCJun 29, 14:39 UTC1h 55m
2026-06-29 EVA121 - Jun 29, 07:15 UTCJun 29, 10:24 UTC3h 10m

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-16209 page for operator, model, and routing details .

Mode-S 89904F frequently asked

What is Mode-S code 89904F?
89904F is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-16209.
Where is Mode-S 89904F registered?
Mode-S code 89904F is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 89904F broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 89904F, octal 42310117, decimal 9,015,375.
What flights does 89904F operate?
Mode-S 89904F has broadcast 20 distinct callsigns, including EVA121, EVA165, EVA166, EVA122, EVA258.