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sensors Mode-S transponder

C81A92

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-NEU · DE HAVILLAND DHC-8-300 Dash 8

Hex
C81A92
Octal
62015222
Decimal
13,114,002
Country
NZ
Tail
ZK-NEU
Type
DH8C
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
243
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S C81A92.

Country allocation

The ICAO 24-bit address C81A92 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 20 distinct

Callsign Airline Flights Last seen
ANZ334L - 7 2026-07-11
ANZ885L - 5 2026-07-14
ANZ884L - 5 2026-07-14
ANZ321L - 5 2026-07-15
ANZ167L - 5 2026-07-08
ANZ763L - 4 2026-07-13
ANZ509L - 4 2026-06-29
ANZ312L - 4 2026-07-09
ANZ289L - 4 2026-07-08
ANZ212L - 4 2026-06-29
ANZ171L Air New Zealand 4 2026-07-25
ANZ126L Air New Zealand 4 2026-07-26
ANZ895L Air New Zealand 3 2026-07-22
ANZ886L Air New Zealand 3 2026-07-22
ANZ798L - 3 2026-07-16
ANZ791L - 3 2026-07-16
ANZ769L - 3 2026-07-12
ANZ768L - 3 2026-07-12
ANZ764L - 3 2026-07-13
ANZ739L - 3 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ANZ092L TUO → AKL Jul 26, 22:15 UTCJul 26, 22:30 UTC15m
2026-07-26 ANZ091L AKL → TUO Jul 26, 20:50 UTCJul 26, 21:25 UTC35m
2026-07-26 ANZ126L TRG → AKL Jul 26, 19:20 UTCJul 26, 19:45 UTC25m
2026-07-26 ANZ262L WLG → TRG Jul 26, 07:40 UTCJul 26, 08:40 UTC1h 0m
2026-07-26 ANZ261L TRG → WLG Jul 26, 03:40 UTCJul 26, 04:45 UTC1h 5m
2026-07-26 ANZ252L WLG → TRG Jul 26, 02:00 UTCJul 26, 03:00 UTC1h 0m
2026-07-25 ANZ281L GIS → WLG Jul 25, 21:05 UTCJul 25, 22:00 UTC55m
2026-07-25 ANZ171L AKL → GIS Jul 25, 04:50 UTCJul 25, 05:30 UTC40m
2026-07-25 ANZ273L KKE → AKL Jul 25, 01:20 UTCJul 25, 01:50 UTC30m
2026-07-25 ANZ276L AKL → KKE Jul 25, 00:05 UTCJul 25, 00:30 UTC25m
2026-07-24 ANZ128L TRG → AKL Jul 24, 22:15 UTCJul 24, 22:45 UTC30m
2026-07-24 ANZ129L AKL → TRG Jul 24, 21:05 UTCJul 24, 21:30 UTC25m
2026-07-24 ANZ126L TRG → AKL Jul 24, 19:20 UTCJul 24, 19:45 UTC25m
2026-07-24 ANZ143L AKL → TRG Jul 24, 07:10 UTCJul 24, 07:35 UTC25m
2026-07-23 ANZ223L - Jul 23, 05:35 UTCJul 23, 06:05 UTC30m
2026-07-23 ANZ222L - Jul 23, 04:35 UTCJul 23, 05:00 UTC25m
2026-07-23 ANZ126L TRG → AKL Jul 23, 00:45 UTCJul 23, 01:10 UTC25m
2026-07-22 ANZ895L NPE → WLG Jul 22, 04:50 UTCJul 22, 05:25 UTC35m
2026-07-22 ANZ886L WLG → NPE Jul 22, 03:20 UTCJul 22, 04:05 UTC45m
2026-07-21 ANZ255L TRG → WLG Jul 21, 23:10 UTCJul 22, 00:25 UTC1h 15m
2026-07-21 ANZ264L WLG → TRG Jul 21, 20:55 UTCJul 21, 21:55 UTC1h 0m
2026-07-21 ANZ251L TRG → WLG Jul 21, 18:35 UTCJul 21, 19:50 UTC1h 15m
2026-07-21 ANZ143L AKL → TRG Jul 21, 06:40 UTCJul 21, 07:05 UTC25m
2026-07-21 ANZ223L - Jul 21, 05:15 UTCJul 21, 05:40 UTC25m
2026-07-21 ANZ222L - Jul 21, 04:10 UTCJul 21, 04:35 UTC25m
2026-07-21 ANZ038L NPL → AKL Jul 21, 00:05 UTCJul 21, 00:30 UTC25m
2026-07-20 ANZ043L AKL → NPL Jul 20, 22:30 UTCJul 20, 22:55 UTC25m
2026-07-20 ANZ146L - Jul 20, 21:05 UTCJul 20, 21:30 UTC25m
2026-07-20 ANZ127L - Jul 20, 19:55 UTCJul 20, 20:20 UTC25m
2026-07-20 ANZ229L - Jul 20, 18:05 UTCJul 20, 18:30 UTC25m
2026-07-20 ANZ226L - Jul 20, 08:35 UTCJul 20, 09:00 UTC25m
2026-07-20 ANZ172L GIS → AKL Jul 20, 06:25 UTCJul 20, 07:10 UTC45m
2026-07-20 ANZ171L AKL → GIS Jul 20, 05:00 UTCJul 20, 05:35 UTC35m
2026-07-20 ANZ267L - Jul 20, 00:50 UTCJul 20, 01:15 UTC25m
2026-07-19 ANZ266L - Jul 19, 22:15 UTCJul 19, 22:40 UTC25m
2026-07-19 ANZ064L - Jul 19, 18:05 UTCJul 19, 19:25 UTC1h 20m
2026-07-19 ANZ311L WLG → NSN Jul 19, 03:10 UTCJul 19, 03:40 UTC30m
2026-07-19 ANZ326L CHC → WLG Jul 19, 00:25 UTCJul 19, 01:15 UTC50m
2026-07-18 ANZ708L IVC → CHC Jul 18, 21:25 UTCJul 18, 22:30 UTC1h 5m
2026-07-18 ANZ707L CHC → IVC Jul 18, 19:35 UTCJul 18, 20:45 UTC1h 10m
2026-07-17 ANZ375L WLG → CHC Jul 17, 06:00 UTCJul 17, 06:54 UTC55m
2026-07-16 ANZ318L - Jul 16, 21:45 UTCJul 16, 22:15 UTC30m
2026-07-16 ANZ315L - Jul 16, 20:35 UTCJul 16, 21:00 UTC25m
2026-07-16 ANZ791L NPL → WLG Jul 16, 18:59 UTCJul 16, 19:50 UTC50m
2026-07-16 ANZ798L WLG → NPL Jul 16, 08:00 UTCJul 16, 08:45 UTC45m
2026-07-16 ANZ736L - Jul 16, 06:50 UTCJul 16, 07:15 UTC25m
2026-07-16 ANZ739L WLG → BHE Jul 16, 05:50 UTCJul 16, 06:05 UTC15m
2026-07-16 ANZ524L - Jul 16, 04:45 UTCJul 16, 05:00 UTC15m
2026-07-15 ANZ305L - Jul 15, 23:20 UTCJul 15, 23:40 UTC20m
2026-07-15 ANZ231L - Jul 15, 21:20 UTCJul 15, 22:25 UTC1h 5m

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

Mode-S C81A92 frequently asked

What is Mode-S code C81A92?
C81A92 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-NEU.
Where is Mode-S C81A92 registered?
Mode-S code C81A92 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 C81A92 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C81A92, octal 62015222, decimal 13,114,002.
What flights does C81A92 operate?
Mode-S C81A92 has broadcast 20 distinct callsigns, including ANZ334L, ANZ885L, ANZ884L, ANZ321L, ANZ167L.