Apparatus

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sensors Mode-S transponder

89912C

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-17815 · BOEING 787-10 Dreamliner

Hex
89912C
Octal
42310454
Decimal
9,015,596
Country
TW
Tail
B-17815
Type
B78X
No current signal · last broadcast 20h ago
Flights observed
11
Distinct callsigns
3
Country
TW
Last broadcast
20h ago

Last known position

Most recent position reported by Mode-S 89912C.

Country allocation

The ICAO 24-bit address 89912C 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 3 distinct

Callsign Airline Flights Last seen
EVA061 EVA Air 5 2026-04-14
EVA198 - 4 2026-04-13
EVA197 - 2 2026-04-13

Recent flights last 11

DateFlightRouteTakeoffLandingDuration
2026-04-14 EVA061 BKK → VIE Apr 14, 05:45 UTCApr 14, 07:05 UTC1h 20m
2026-04-13 EVA061 BKK → VIE Apr 13, 21:35 UTCApr 13, 23:40 UTC2h 5m
2026-04-13 EVA061 BKK → VIE Apr 13, 20:20 UTCApr 13, 20:30 UTC10m
2026-04-13 EVA061 BKK → VIE Apr 13, 18:00 UTCApr 13, 18:10 UTC10m
2026-04-13 EVA061 BKK → VIE Apr 13, 15:00 UTCApr 13, 15:30 UTC30m
2026-04-13 EVA197 - Apr 13, 09:00 UTCApr 13, 09:15 UTC15m
2026-04-13 EVA197 - Apr 13, 06:15 UTCApr 13, 07:10 UTC55m
2026-04-13 EVA198 - Apr 13, 04:20 UTCApr 13, 04:25 UTC5m
2026-04-13 EVA198 - Apr 13, 03:55 UTCApr 13, 04:25 UTC30m
2026-04-13 EVA198 - Apr 13, 03:40 UTCApr 13, 04:15 UTC35m
2026-04-13 EVA198 - Apr 13, 01:50 UTCApr 13, 02:05 UTC15m

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-17815 page for operator, model, and routing details .

Mode-S 89912C frequently asked

What is Mode-S code 89912C?
89912C is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-17815.
Where is Mode-S 89912C registered?
Mode-S code 89912C is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 89912C broadcasting right now?
No active broadcast right now. Last signal was 20h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 89912C, octal 42310454, decimal 9,015,596.
What flights does 89912C operate?
Mode-S 89912C has broadcast 3 distinct callsigns, including EVA061, EVA198, EVA197.