Apparatus

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sensors Mode-S transponder

899031

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-16728 · BOEING 777-300ER

Hex
899031
Octal
42310061
Decimal
9,015,345
Country
TW
Tail
B-16728
Type
B77W
No current signal · last broadcast Jul 26, 07:25 UTC
Flights observed
227
Distinct callsigns
20
Country
TW
Last broadcast
Jul 26, 07:25 UTC

Last known position

Most recent position reported by Mode-S 899031.

Country allocation

The ICAO 24-bit address 899031 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
EVA056 - 40 2026-07-15
EVA055 - 27 2026-07-16
EVA036 - 19 2026-07-17
EVA035 - 15 2026-07-18
EVA225 - 12 2026-07-15
EVA031 EVA Air 12 2026-07-24
EVA398 EVA Air 11 2026-07-21
EVA226 - 11 2026-07-15
EVA052 EVA Air 10 2026-06-24
EVA032 EVA Air 9 2026-07-23
EVA397 EVA Air 7 2026-07-21
EVA392 - 6 2026-06-30
EVA051 EVA Air 6 2026-06-25
EVA711 EVA Air 5 2026-07-26
EVA005 - 4 2026-06-17
EVA712 EVA Air 3 2026-07-26
EVA272 EVA Air 3 2026-07-23
EVA271 EVA Air 3 2026-07-23
EVA132 EVA Air 3 2026-05-28
EVA131 EVA Air 3 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EVA711 PVG → TPE Jul 26, 06:45 UTCJul 26, 07:25 UTC40m
2026-07-26 EVA712 TPE → PVG Jul 26, 03:00 UTCJul 26, 03:45 UTC45m
2026-07-25 EVA711 PVG → TPE Jul 25, 07:00 UTCJul 25, 07:15 UTC15m
2026-07-25 EVA712 TPE → PVG Jul 25, 02:25 UTCJul 25, 02:45 UTC20m
2026-07-24 EVA031 JFK → TPE Jul 24, 22:00 UTCJul 24, 22:20 UTC20m
2026-07-24 EVA031 JFK → TPE Jul 24, 06:30 UTCJul 24, 21:30 UTC15h 0m
2026-07-23 EVA032 TPE → JFK Jul 23, 12:35 UTCJul 24, 02:25 UTC13h 50m
2026-07-23 EVA272 MNL → TPE Jul 23, 05:30 UTCJul 23, 07:15 UTC1h 45m
2026-07-23 EVA271 TPE → MNL Jul 23, 01:30 UTCJul 23, 03:25 UTC1h 55m
2026-07-22 EVA031 - Jul 22, 22:55 UTCJul 22, 23:10 UTC15m
2026-07-22 EVA031 - Jul 22, 13:00 UTCJul 22, 21:40 UTC8h 40m
2026-07-21 EVA032 - Jul 21, 13:35 UTCJul 22, 01:35 UTC12h 0m
2026-07-21 EVA032 - Jul 21, 11:40 UTCJul 21, 12:00 UTC20m
2026-07-21 EVA398 HAN → TPE Jul 21, 06:45 UTCJul 21, 08:10 UTC1h 25m
2026-07-21 EVA398 HAN → TPE Jul 21, 05:50 UTCJul 21, 06:00 UTC10m
2026-07-21 EVA397 TPE → HAN Jul 21, 01:35 UTCJul 21, 02:40 UTC1h 5m
2026-07-20 EVA031 - Jul 20, 22:20 UTCJul 20, 22:40 UTC20m
2026-07-20 EVA031 - Jul 20, 07:05 UTCJul 20, 21:10 UTC14h 5m
2026-07-19 EVA032 TPE → JFK Jul 19, 11:55 UTCJul 20, 02:10 UTC14h 15m
2026-07-19 EVA105 - Jul 19, 05:20 UTCJul 19, 05:45 UTC25m
2026-07-19 EVA105 - Jul 19, 04:00 UTCJul 19, 04:20 UTC20m
2026-07-19 EVA106 TPE → FUK Jul 19, 00:30 UTCJul 19, 02:15 UTC1h 45m
2026-07-18 EVA035 - Jul 18, 20:25 UTCJul 18, 20:45 UTC20m
2026-07-18 EVA035 - Jul 18, 06:10 UTCJul 18, 19:10 UTC13h 0m
2026-07-17 EVA036 - Jul 17, 12:04 UTCJul 18, 01:54 UTC13h 50m
2026-07-17 EVA183 - Jul 17, 05:15 UTCJul 17, 08:04 UTC2h 50m
2026-07-17 EVA184 NRT → TPE Jul 17, 00:25 UTCJul 17, 03:25 UTC3h 0m
2026-07-16 EVA055 - Jul 16, 19:40 UTCJul 16, 19:55 UTC15m
2026-07-16 EVA055 - Jul 16, 05:55 UTCJul 16, 18:29 UTC12h 35m
2026-07-15 EVA056 - Jul 15, 14:15 UTCJul 16, 02:05 UTC11h 50m
2026-07-15 EVA056 - Jul 15, 12:35 UTCJul 15, 12:55 UTC20m
2026-07-15 EVA226 - Jul 15, 05:50 UTCJul 15, 10:10 UTC4h 20m
2026-07-15 EVA225 - Jul 15, 03:30 UTCJul 15, 03:40 UTC10m
2026-07-15 EVA225 - Jul 15, 00:00 UTCJul 15, 00:55 UTC55m
2026-07-02 EVA226 - Jul 2, 07:15 UTCJul 2, 10:05 UTC2h 50m
2026-07-01 EVA225 - Jul 1, 23:55 UTCJul 2, 03:50 UTC3h 55m
2026-07-01 EVA035 YYZ → TPE Jul 1, 06:05 UTCJul 1, 20:30 UTC14h 25m
2026-06-30 EVA036 TPE → YYZ Jun 30, 13:40 UTCJul 1, 01:20 UTC11h 40m
2026-06-30 EVA036 TPE → YYZ Jun 30, 11:50 UTCJun 30, 12:05 UTC15m
2026-06-30 EVA392 TPE → TPE Jun 30, 01:45 UTCJun 30, 09:20 UTC7h 35m
2026-06-29 EVA226 - Jun 29, 05:40 UTCJun 29, 10:04 UTC4h 25m
2026-06-29 EVA225 - Jun 29, 03:10 UTCJun 29, 03:29 UTC20m
2026-06-28 EVA225 - Jun 28, 23:50 UTCJun 29, 00:44 UTC55m
2026-06-28 EVA711 - Jun 28, 06:30 UTCJun 28, 06:44 UTC15m
2026-06-28 EVA712 - Jun 28, 02:14 UTCJun 28, 02:34 UTC20m
2026-06-27 EVA055 ORD → TPE Jun 27, 05:44 UTCJun 27, 20:19 UTC14h 35m
2026-06-26 EVA056 TPE → ORD Jun 26, 14:35 UTCJun 27, 01:35 UTC11h 0m
2026-06-26 EVA056 TPE → ORD Jun 26, 12:29 UTCJun 26, 12:44 UTC15m
2026-06-26 EVA391 - Jun 26, 02:24 UTCJun 26, 09:59 UTC7h 35m
2026-06-25 EVA051 IAH → TPE Jun 25, 21:20 UTCJun 25, 21:55 UTC35m

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-16728 page for operator, model, and routing details .

Mode-S 899031 frequently asked

What is Mode-S code 899031?
899031 is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-16728.
Where is Mode-S 899031 registered?
Mode-S code 899031 is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 899031 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 07:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 899031, octal 42310061, decimal 9,015,345.
What flights does 899031 operate?
Mode-S 899031 has broadcast 20 distinct callsigns, including EVA056, EVA055, EVA036, EVA035, EVA225.