Apparatus

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sensors Mode-S transponder

89916D

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-18916 · AIRBUS A-350-900

Hex
89916D
Octal
42310555
Decimal
9,015,661
Country
TW
Tail
B-18916
Type
A359
No current signal · last broadcast 11h ago
Flights observed
264
Distinct callsigns
20
Country
TW
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S 89916D.

Country allocation

The ICAO 24-bit address 89916D 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
CAL101 - 59 2026-07-09
CAL021 - 59 2026-07-13
CAL100 - 57 2026-07-09
CAL022 - 57 2026-07-12
CAL053 China Airlines 3 2026-05-15
CAL834 - 2 2026-07-12
CAL833 - 2 2026-07-12
CAL153 China Airlines 2 2026-04-18
CAL105 China Airlines 2 2026-06-07
CAL054 China Airlines 2 2026-05-15
CAL052 China Airlines 2 2026-06-22
CAL051 - 2 2026-06-21
CAL024 China Airlines 2 2026-05-19
CAL023 China Airlines 2 2026-05-20
CAL754 China Airlines 1 2026-04-22
CAL753 China Airlines 1 2026-04-22
CAL504 China Airlines 1 2026-06-11
CAL152 China Airlines 1 2026-04-18
CAL104 China Airlines 1 2026-06-07
CAL082 China Airlines 1 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CAL021 - Jul 13, 20:05 UTCJul 13, 20:30 UTC25m
2026-07-13 CAL021 - Jul 13, 09:05 UTCJul 13, 19:00 UTC9h 55m
2026-07-12 CAL022 - Jul 12, 16:15 UTCJul 13, 03:20 UTC11h 5m
2026-07-12 CAL834 - Jul 12, 07:05 UTCJul 12, 08:15 UTC1h 10m
2026-07-12 CAL834 - Jul 12, 04:50 UTCJul 12, 05:05 UTC15m
2026-07-12 CAL833 - Jul 12, 02:35 UTCJul 12, 03:01 UTC25m
2026-07-11 CAL833 - Jul 11, 23:40 UTCJul 12, 00:10 UTC30m
2026-07-11 CAL021 - Jul 11, 20:05 UTCJul 11, 20:30 UTC25m
2026-07-11 CAL021 - Jul 11, 09:05 UTCJul 11, 19:00 UTC9h 55m
2026-07-09 CAL022 - Jul 9, 17:25 UTCJul 10, 03:15 UTC9h 50m
2026-07-09 CAL022 - Jul 9, 16:40 UTCJul 9, 16:55 UTC15m
2026-07-09 CAL101 NRT → TPE Jul 9, 06:00 UTCJul 9, 08:55 UTC2h 55m
2026-07-09 CAL100 - Jul 9, 02:55 UTCJul 9, 04:15 UTC1h 20m
2026-07-09 CAL100 - Jul 9, 01:25 UTCJul 9, 01:40 UTC15m
2026-07-08 CAL021 - Jul 8, 20:05 UTCJul 8, 20:30 UTC25m
2026-07-08 CAL021 - Jul 8, 09:05 UTCJul 8, 19:15 UTC10h 10m
2026-07-07 CAL022 - Jul 7, 17:40 UTCJul 8, 02:50 UTC9h 10m
2026-07-07 CAL022 - Jul 7, 16:10 UTCJul 7, 16:25 UTC15m
2026-07-07 CAL101 - Jul 7, 08:45 UTCJul 7, 09:10 UTC25m
2026-07-07 CAL101 - Jul 7, 06:20 UTCJul 7, 07:30 UTC1h 10m
2026-07-07 CAL100 TPE → NRT Jul 7, 01:35 UTCJul 7, 04:25 UTC2h 50m
2026-07-06 CAL021 - Jul 6, 20:00 UTCJul 6, 20:25 UTC25m
2026-07-06 CAL021 - Jul 6, 09:00 UTCJul 6, 18:50 UTC9h 50m
2026-07-05 CAL022 - Jul 5, 17:40 UTCJul 6, 02:40 UTC9h 0m
2026-07-05 CAL022 - Jul 5, 16:10 UTCJul 5, 16:20 UTC10m
2026-07-05 CAL101 NRT → TPE Jul 5, 06:20 UTCJul 5, 09:10 UTC2h 50m
2026-07-05 CAL100 TPE → NRT Jul 5, 01:35 UTCJul 5, 04:20 UTC2h 45m
2026-07-04 CAL101 - Jul 4, 08:35 UTCJul 4, 08:55 UTC20m
2026-07-04 CAL101 - Jul 4, 06:00 UTCJul 4, 07:20 UTC1h 20m
2026-07-04 CAL100 - Jul 4, 02:05 UTCJul 4, 04:05 UTC2h 0m
2026-07-04 CAL100 - Jul 4, 01:20 UTCJul 4, 01:35 UTC15m
2026-07-03 CAL021 - Jul 3, 21:45 UTCJul 3, 22:10 UTC25m
2026-07-03 CAL021 - Jul 3, 09:05 UTCJul 3, 20:30 UTC11h 25m
2026-07-02 CAL022 - Jul 2, 17:40 UTCJul 3, 02:15 UTC8h 35m
2026-07-02 CAL022 - Jul 2, 16:10 UTCJul 2, 16:35 UTC25m
2026-07-02 CAL101 NRT → TPE Jul 2, 05:55 UTCJul 2, 09:00 UTC3h 5m
2026-07-02 CAL100 TPE → NRT Jul 2, 01:20 UTCJul 2, 04:10 UTC2h 50m
2026-07-01 CAL021 SEA → TPE Jul 1, 09:10 UTCJul 1, 21:15 UTC12h 5m
2026-06-30 CAL022 - Jun 30, 17:35 UTCJul 1, 02:25 UTC8h 50m
2026-06-30 CAL022 - Jun 30, 16:05 UTCJun 30, 16:25 UTC20m
2026-06-30 CAL101 - Jun 30, 06:10 UTCJun 30, 09:20 UTC3h 10m
2026-06-30 CAL100 - Jun 30, 01:19 UTCJun 30, 04:05 UTC2h 45m
2026-06-29 CAL021 SEA → TPE Jun 29, 08:24 UTCJun 29, 20:19 UTC11h 55m
2026-06-28 CAL022 - Jun 28, 17:34 UTCJun 29, 02:20 UTC8h 45m
2026-06-28 CAL022 - Jun 28, 16:09 UTCJun 28, 16:29 UTC20m
2026-06-28 CAL101 - Jun 28, 09:10 UTCJun 28, 09:34 UTC25m
2026-06-28 CAL101 - Jun 28, 06:20 UTCJun 28, 07:40 UTC1h 20m
2026-06-28 CAL100 TPE → NRT Jun 28, 01:19 UTCJun 28, 03:59 UTC2h 40m
2026-06-27 CAL101 - Jun 27, 09:24 UTCJun 27, 09:50 UTC25m
2026-06-27 CAL101 - Jun 27, 06:50 UTCJun 27, 08:05 UTC1h 15m

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-18916 page for operator, model, and routing details .

Mode-S 89916D frequently asked

What is Mode-S code 89916D?
89916D is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-18916.
Where is Mode-S 89916D registered?
Mode-S code 89916D is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 89916D broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 89916D, octal 42310555, decimal 9,015,661.
What flights does 89916D operate?
Mode-S 89916D has broadcast 20 distinct callsigns, including CAL101, CAL021, CAL100, CAL022, CAL053.