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sensors Mode-S transponder

C8001A

ICAO 24-bit transponder address · allocated to New Zealand

Hex
C8001A
Octal
62000032
Decimal
13,107,226
Country
NZ
No current signal · last broadcast Jul 24, 03:20 UTC
Flights observed
223
Distinct callsigns
1
Country
NZ
Last broadcast
Jul 24, 03:20 UTC

Last known position

Most recent position reported by Mode-S C8001A.

Country allocation

The ICAO 24-bit address C8001A 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
ZKHJM - 223 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 ZKHJM - Jul 24, 03:00 UTCJul 24, 03:20 UTC20m
2026-07-24 ZKHJM - Jul 24, 01:15 UTCJul 24, 01:25 UTC10m
2026-07-24 ZKHJM - Jul 24, 00:10 UTCJul 24, 00:20 UTC10m
2026-07-23 ZKHJM - Jul 23, 22:15 UTCJul 23, 22:30 UTC15m
2026-07-22 ZKHJM - Jul 22, 03:20 UTCJul 22, 04:20 UTC1h 0m
2026-07-22 ZKHJM - Jul 22, 01:25 UTCJul 22, 02:35 UTC1h 10m
2026-07-21 ZKHJM - Jul 21, 23:15 UTCJul 22, 00:25 UTC1h 10m
2026-07-21 ZKHJM - Jul 21, 21:00 UTCJul 21, 22:10 UTC1h 10m
2026-07-21 ZKHJM - Jul 21, 07:20 UTCJul 21, 11:25 UTC4h 5m
2026-07-21 ZKHJM - Jul 21, 06:15 UTCJul 21, 06:40 UTC25m
2026-07-21 ZKHJM - Jul 21, 03:50 UTCJul 21, 04:20 UTC30m
2026-07-21 ZKHJM - Jul 21, 02:30 UTCJul 21, 03:05 UTC35m
2026-07-21 ZKHJM - Jul 21, 01:00 UTCJul 21, 01:50 UTC50m
2026-07-20 ZKHJM - Jul 20, 23:45 UTCJul 21, 00:15 UTC30m
2026-07-20 ZKHJM - Jul 20, 22:30 UTCJul 20, 22:55 UTC25m
2026-07-20 ZKHJM - Jul 20, 20:55 UTCJul 20, 21:55 UTC1h 0m
2026-07-20 ZKHJM CHC → CHC Jul 20, 09:10 UTCJul 20, 11:35 UTC2h 25m
2026-07-20 ZKHJM - Jul 20, 07:25 UTCJul 20, 08:20 UTC55m
2026-07-20 ZKHJM - Jul 20, 06:00 UTCJul 20, 06:30 UTC30m
2026-07-20 ZKHJM - Jul 20, 04:40 UTCJul 20, 05:00 UTC20m
2026-07-20 ZKHJM - Jul 20, 03:40 UTCJul 20, 04:05 UTC25m
2026-07-19 ZKHJM - Jul 19, 23:55 UTCJul 20, 02:10 UTC2h 15m
2026-07-19 ZKHJM - Jul 19, 21:00 UTCJul 19, 23:15 UTC2h 15m
2026-07-18 ZKHJM - Jul 18, 01:45 UTCJul 18, 02:05 UTC20m
2026-07-18 ZKHJM - Jul 18, 00:39 UTCJul 18, 01:05 UTC25m
2026-07-17 ZKHJM - Jul 17, 21:34 UTCJul 17, 23:20 UTC1h 45m
2026-07-17 ZKHJM CHC → CHC Jul 17, 03:34 UTCJul 17, 04:59 UTC1h 25m
2026-07-17 ZKHJM - Jul 17, 01:29 UTCJul 17, 02:54 UTC1h 25m
2026-07-16 ZKHJM - Jul 16, 11:05 UTCJul 16, 11:25 UTC20m
2026-07-16 ZKHJM - Jul 16, 10:00 UTCJul 16, 10:20 UTC20m
2026-07-16 ZKHJM - Jul 16, 06:10 UTCJul 16, 09:15 UTC3h 5m
2026-07-16 ZKHJM - Jul 16, 03:15 UTCJul 16, 04:15 UTC1h 0m
2026-07-16 ZKHJM CHC → CHC Jul 16, 01:20 UTCJul 16, 02:30 UTC1h 10m
2026-07-15 ZKHJM CHC → CHC Jul 15, 22:35 UTCJul 15, 23:30 UTC55m
2026-07-15 ZKHJM - Jul 15, 20:55 UTCJul 15, 21:30 UTC35m
2026-07-15 ZKHJM - Jul 15, 10:10 UTCJul 15, 11:20 UTC1h 10m
2026-07-15 ZKHJM - Jul 15, 07:40 UTCJul 15, 09:20 UTC1h 40m
2026-07-15 ZKHJM - Jul 15, 06:00 UTCJul 15, 06:45 UTC45m
2026-07-15 ZKHJM - Jul 15, 03:50 UTCJul 15, 04:50 UTC1h 0m
2026-07-15 ZKHJM - Jul 15, 01:50 UTCJul 15, 03:10 UTC1h 20m
2026-07-13 ZKHJM - Jul 13, 21:45 UTCJul 14, 04:00 UTC6h 15m
2026-07-13 ZKHJM - Jul 13, 20:50 UTCJul 13, 21:10 UTC20m
2026-07-13 ZKHJM CHC → CHC Jul 13, 03:40 UTCJul 13, 04:40 UTC1h 0m
2026-07-13 ZKHJM - Jul 13, 01:20 UTCJul 13, 02:35 UTC1h 15m
2026-07-12 ZKHJM CHC → CHC Jul 12, 23:00 UTCJul 13, 00:40 UTC1h 40m
2026-07-12 ZKHJM - Jul 12, 21:00 UTCJul 12, 22:00 UTC1h 0m
2026-07-09 ZKHJM - Jul 9, 03:25 UTCJul 9, 04:35 UTC1h 10m
2026-07-09 ZKHJM - Jul 9, 00:30 UTCJul 9, 01:20 UTC50m
2026-07-08 ZKHJM CHC → CHC Jul 8, 20:45 UTCJul 8, 21:30 UTC45m
2026-07-03 ZKHJM CHC → CHC Jul 3, 22:25 UTCJul 3, 22:50 UTC25m

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.

Mode-S C8001A frequently asked

What is Mode-S code C8001A?
C8001A is an ICAO 24-bit transponder address. Allocated to New Zealand.
Where is Mode-S C8001A registered?
Mode-S code C8001A 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 C8001A broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 03:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C8001A, octal 62000032, decimal 13,107,226.
What flights does C8001A operate?
Mode-S C8001A has broadcast 1 distinct callsign, including ZKHJM.