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sensors Mode-S transponder

C818C9

ICAO 24-bit transponder address · allocated to New Zealand

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

Hex
C818C9
Octal
62014311
Decimal
13,113,545
Country
NZ
Tail
ZK-NEA
Type
DH8C
No current signal · last broadcast Jul 26, 21:55 UTC
Flights observed
533
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 26, 21:55 UTC

Last known position

Most recent position reported by Mode-S C818C9.

Country allocation

The ICAO 24-bit address C818C9 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
ANZ895L Air New Zealand 8 2026-07-24
ANZ885L - 8 2026-06-23
ANZ321L Air New Zealand 8 2026-07-24
ANZ258L Air New Zealand 8 2026-06-11
ANZ257L Air New Zealand 8 2026-06-11
ANZ886L Air New Zealand 7 2026-07-24
ANZ884L - 7 2026-06-23
ANZ791L - 7 2026-07-15
ANZ312L - 7 2026-06-25
ANZ302L - 7 2026-07-17
ANZ264L - 7 2026-07-17
ANZ255L - 7 2026-07-17
ANZ798L - 6 2026-07-15
ANZ769L Air New Zealand 6 2026-06-01
ANZ763L Air New Zealand 6 2026-06-12
ANZ331L - 6 2026-06-15
ANZ318L Air New Zealand 6 2026-07-25
ANZ315L - 6 2026-07-14
ANZ272L - 6 2026-07-08
ANZ223L - 6 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ANZ060L NSN → AKL Jul 26, 20:50 UTCJul 26, 21:55 UTC1h 5m
2026-07-26 ANZ063L AKL → NSN Jul 26, 18:45 UTCJul 26, 20:00 UTC1h 15m
2026-07-26 ANZ080L NSN → AKL Jul 26, 07:20 UTCJul 26, 08:25 UTC1h 5m
2026-07-26 ANZ583L AKL → NSN Jul 26, 05:15 UTCJul 26, 06:30 UTC1h 15m
2026-07-26 ANZ162L GIS → AKL Jul 26, 00:55 UTCJul 26, 01:50 UTC55m
2026-07-25 ANZ284L WLG → GIS Jul 25, 23:10 UTCJul 26, 00:00 UTC50m
2026-07-25 ANZ318L NSN → WLG Jul 25, 21:55 UTCJul 25, 22:20 UTC25m
2026-07-24 ANZ321L WLG → NSN Jul 24, 06:55 UTCJul 24, 07:20 UTC25m
2026-07-24 ANZ895L NPE → WLG Jul 24, 05:00 UTCJul 24, 05:50 UTC50m
2026-07-24 ANZ886L WLG → NPE Jul 24, 03:35 UTCJul 24, 04:20 UTC45m
2026-07-24 ANZ314L NSN → WLG Jul 24, 02:05 UTCJul 24, 02:35 UTC30m
2026-07-24 ANZ305L WLG → NSN Jul 24, 00:50 UTCJul 24, 01:15 UTC25m
2026-07-23 ANZ190L - Jul 23, 23:00 UTCJul 23, 23:55 UTC55m
2026-07-23 ANZ199L - Jul 23, 06:50 UTCJul 23, 07:50 UTC1h 0m
2026-07-23 ANZ289L GIS → WLG Jul 23, 04:30 UTCJul 23, 05:30 UTC1h 0m
2026-07-23 ANZ167L AKL → GIS Jul 23, 02:50 UTCJul 23, 03:35 UTC45m
2026-07-23 ANZ146L TRG → AKL Jul 23, 01:00 UTCJul 23, 01:25 UTC25m
2026-07-22 ANZ229L - Jul 22, 18:35 UTCJul 22, 20:00 UTC1h 25m
2026-07-22 ANZ171L AKL → GIS Jul 22, 04:45 UTCJul 22, 05:25 UTC40m
2026-07-22 ANZ212L BHE → AKL Jul 22, 02:35 UTCJul 22, 03:45 UTC1h 10m
2026-07-22 ANZ509L AKL → BHE Jul 22, 00:05 UTCJul 22, 01:20 UTC1h 15m
2026-07-21 ANZ164L - Jul 21, 22:20 UTCJul 21, 23:10 UTC50m
2026-07-21 ANZ163L - Jul 21, 20:40 UTCJul 21, 21:25 UTC45m
2026-07-21 ANZ126L TRG → AKL Jul 21, 19:15 UTCJul 21, 19:40 UTC25m
2026-07-21 ANZ262L WLG → TRG Jul 21, 07:05 UTCJul 21, 08:00 UTC55m
2026-07-21 ANZ895L NPE → WLG Jul 21, 04:50 UTCJul 21, 05:40 UTC50m
2026-07-21 ANZ886L WLG → NPE Jul 21, 03:20 UTCJul 21, 04:00 UTC40m
2026-07-20 ANZ336L CHC → WLG Jul 20, 20:20 UTCJul 20, 21:05 UTC45m
2026-07-18 ANZ375L WLG → CHC Jul 18, 06:00 UTCJul 18, 06:55 UTC55m
2026-07-17 ANZ255L - Jul 17, 23:14 UTCJul 18, 00:25 UTC1h 10m
2026-07-17 ANZ264L - Jul 17, 21:10 UTCJul 17, 22:05 UTC55m
2026-07-17 ANZ302L - Jul 17, 20:00 UTCJul 17, 20:25 UTC25m
2026-07-16 ANZ325L - Jul 16, 08:20 UTCJul 16, 08:55 UTC35m
2026-07-16 ANZ235L - Jul 16, 06:05 UTCJul 16, 07:00 UTC55m
2026-07-16 ANZ230L - Jul 16, 04:30 UTCJul 16, 05:25 UTC55m
2026-07-16 ANZ255L - Jul 16, 00:30 UTCJul 16, 01:35 UTC1h 5m
2026-07-15 ANZ264L - Jul 15, 22:40 UTCJul 15, 23:35 UTC55m
2026-07-15 ANZ726L - Jul 15, 21:35 UTCJul 15, 21:50 UTC15m
2026-07-15 ANZ725L WLG → BHE Jul 15, 20:40 UTCJul 15, 21:00 UTC20m
2026-07-15 ANZ791L NPL → WLG Jul 15, 19:00 UTCJul 15, 19:50 UTC50m
2026-07-15 ANZ798L WLG → NPL Jul 15, 07:55 UTCJul 15, 08:40 UTC45m
2026-07-15 ANZ736L - Jul 15, 06:45 UTCJul 15, 07:10 UTC25m
2026-07-15 ANZ739L WLG → BHE Jul 15, 05:40 UTCJul 15, 06:00 UTC20m
2026-07-15 ANZ289L - Jul 15, 03:25 UTCJul 15, 04:25 UTC1h 0m
2026-07-15 ANZ167L - Jul 15, 01:45 UTCJul 15, 02:30 UTC45m
2026-07-14 ANZ088L - Jul 14, 22:40 UTCJul 14, 23:30 UTC49m
2026-07-14 ANZ315L - Jul 14, 20:40 UTCJul 14, 20:55 UTC15m
2026-07-14 ANZ300L - Jul 14, 18:30 UTCJul 14, 18:50 UTC20m
2026-07-14 ANZ321L - Jul 14, 06:40 UTCJul 14, 06:55 UTC15m
2026-07-14 ANZ795L - Jul 14, 04:40 UTCJul 14, 05:25 UTC45m

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

Mode-S C818C9 frequently asked

What is Mode-S code C818C9?
C818C9 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-NEA.
Where is Mode-S C818C9 registered?
Mode-S code C818C9 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 C818C9 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C818C9, octal 62014311, decimal 13,113,545.
What flights does C818C9 operate?
Mode-S C818C9 has broadcast 20 distinct callsigns, including ANZ895L, ANZ885L, ANZ321L, ANZ258L, ANZ257L.