sensors Mode-S transponder

C81102

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-TAW · PIPER PA-38 Tomahawk

Hex
C81102
Octal
62010402
Decimal
13,111,554
Country
NZ
Tail
ZK-TAW
Type
PA38
No current signal · last broadcast 2d ago
Flights observed
157
Distinct callsigns
1
Country
NZ
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S C81102.

Country allocation

The ICAO 24-bit address C81102 falls within the block assigned to New Zealand (NZ) by ICAO Annex 10, Volume III. Every aircraft registered in New Zealand 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 1 distinct

Callsign Airline Flights Last seen
ZKTAW - 157 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 ZKTAW - Jul 12, 04:40 UTCJul 12, 05:01 UTC20m
2026-07-12 ZKTAW WLG → WLG Jul 12, 03:30 UTCJul 12, 04:01 UTC30m
2026-07-12 ZKTAW - Jul 12, 01:20 UTCJul 12, 01:55 UTC35m
2026-07-11 ZKTAW WLG → WLG Jul 11, 21:40 UTCJul 11, 22:25 UTC45m
2026-07-11 ZKTAW - Jul 11, 04:15 UTCJul 11, 05:05 UTC50m
2026-07-11 ZKTAW - Jul 11, 02:50 UTCJul 11, 03:20 UTC30m
2026-07-11 ZKTAW WLG → WLG Jul 11, 01:05 UTCJul 11, 01:55 UTC50m
2026-07-10 ZKTAW WLG → WLG Jul 10, 23:00 UTCJul 10, 23:45 UTC45m
2026-07-09 ZKTAW - Jul 9, 21:25 UTCJul 9, 21:50 UTC25m
2026-07-03 ZKTAW - Jul 3, 01:15 UTCJul 3, 01:30 UTC15m
2026-06-29 ZKTAW - Jun 29, 20:00 UTCJun 29, 20:15 UTC15m
2026-06-29 ZKTAW - Jun 29, 04:34 UTCJun 29, 04:55 UTC20m
2026-06-29 ZKTAW WLG → WLG Jun 29, 04:20 UTCJun 29, 04:30 UTC10m
2026-06-29 ZKTAW - Jun 29, 02:45 UTCJun 29, 03:14 UTC30m
2026-06-28 ZKTAW WLG → WLG Jun 28, 04:35 UTCJun 28, 04:55 UTC20m
2026-06-28 ZKTAW WLG → WLG Jun 28, 03:09 UTCJun 28, 03:25 UTC15m
2026-06-23 ZKTAW - Jun 23, 23:44 UTCJun 24, 00:20 UTC35m
2026-06-23 ZKTAW - Jun 23, 22:05 UTCJun 23, 22:15 UTC10m
2026-06-23 ZKTAW - Jun 23, 21:24 UTCJun 23, 21:34 UTC10m
2026-06-23 ZKTAW WLG → WLG Jun 23, 04:19 UTCJun 23, 04:45 UTC25m
2026-06-23 ZKTAW - Jun 23, 02:20 UTCJun 23, 02:45 UTC25m
2026-06-22 ZKTAW - Jun 22, 23:50 UTCJun 23, 00:30 UTC40m
2026-06-22 ZKTAW - Jun 22, 21:05 UTCJun 22, 22:24 UTC1h 20m
2026-06-22 ZKTAW - Jun 22, 04:44 UTCJun 22, 04:59 UTC15m
2026-06-21 ZKTAW - Jun 21, 23:24 UTCJun 21, 23:55 UTC30m
2026-06-21 ZKTAW - Jun 21, 21:24 UTCJun 21, 22:10 UTC45m
2026-06-18 ZKTAW - Jun 18, 21:30 UTCJun 18, 22:05 UTC35m
2026-06-18 ZKTAW WLG → WLG Jun 18, 04:50 UTCJun 18, 05:00 UTC10m
2026-06-18 ZKTAW - Jun 18, 04:30 UTCJun 18, 04:45 UTC15m
2026-06-16 ZKTAW - Jun 16, 23:25 UTCJun 17, 00:00 UTC35m
2026-06-16 ZKTAW - Jun 16, 04:25 UTCJun 16, 04:55 UTC30m
2026-06-16 ZKTAW WLG → WLG Jun 16, 02:34 UTCJun 16, 03:25 UTC50m
2026-06-12 ZKTAW - Jun 12, 02:55 UTCJun 12, 03:30 UTC35m
2026-06-11 ZKTAW WLG → WLG Jun 11, 23:30 UTCJun 12, 00:20 UTC50m
2026-06-11 ZKTAW - Jun 11, 21:40 UTCJun 11, 22:30 UTC50m
2026-06-11 ZKTAW - Jun 11, 04:05 UTCJun 11, 04:55 UTC50m
2026-06-11 ZKTAW WLG → WLG Jun 11, 00:50 UTCJun 11, 01:55 UTC1h 5m
2026-06-10 ZKTAW - Jun 10, 22:05 UTCJun 10, 22:45 UTC40m
2026-06-10 ZKTAW - Jun 10, 04:25 UTCJun 10, 05:15 UTC50m
2026-06-10 ZKTAW - Jun 10, 03:10 UTCJun 10, 03:20 UTC10m
2026-06-10 ZKTAW - Jun 10, 01:30 UTCJun 10, 02:00 UTC30m
2026-06-09 ZKTAW - Jun 9, 23:15 UTCJun 9, 23:35 UTC20m
2026-06-08 ZKTAW - Jun 8, 01:20 UTCJun 8, 01:45 UTC25m
2026-06-07 ZKTAW - Jun 7, 23:10 UTCJun 7, 23:40 UTC30m
2026-06-07 ZKTAW WLG → WLG Jun 7, 22:00 UTCJun 7, 22:05 UTC5m
2026-06-07 ZKTAW - Jun 7, 02:50 UTCJun 7, 03:30 UTC40m
2026-06-07 ZKTAW - Jun 7, 01:09 UTCJun 7, 02:00 UTC50m
2026-06-06 ZKTAW WLG → WLG Jun 6, 23:15 UTCJun 7, 00:05 UTC50m
2026-06-06 ZKTAW - Jun 6, 22:10 UTCJun 6, 22:34 UTC25m
2026-06-06 ZKTAW - Jun 6, 04:10 UTCJun 6, 04:45 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 ZK-TAW page for operator, model, and routing details .

Mode-S C81102 frequently asked

What is Mode-S code C81102?
C81102 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-TAW.
Where is Mode-S C81102 registered?
Mode-S code C81102 is allocated to New Zealand (NZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C81102 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C81102, octal 62010402, decimal 13,111,554.
What flights does C81102 operate?
Mode-S C81102 has broadcast 1 distinct callsign, including ZKTAW.