Apparatus

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sensors Mode-S transponder

C8276A

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-RXD · CESSNA 680 Citation Sovereign

Hex
C8276A
Octal
62023552
Decimal
13,117,290
Country
NZ
Tail
ZK-RXD
Type
C680
No current signal · last broadcast 10h ago
Flights observed
73
Distinct callsigns
1
Country
NZ
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S C8276A.

Country allocation

The ICAO 24-bit address C8276A 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
ZKRXD - 73 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 ZKRXD - Jul 23, 05:05 UTCJul 23, 06:15 UTC1h 10m
2026-07-23 ZKRXD - Jul 23, 03:10 UTCJul 23, 04:30 UTC1h 20m
2026-07-23 ZKRXD - Jul 23, 02:05 UTCJul 23, 02:35 UTC30m
2026-07-15 ZKRXD - Jul 15, 05:25 UTCJul 15, 06:00 UTC35m
2026-07-15 ZKRXD - Jul 15, 02:50 UTCJul 15, 04:10 UTC1h 20m
2026-07-15 ZKRXD - Jul 15, 00:45 UTCJul 15, 01:45 UTC1h 0m
2026-07-13 ZKRXD BNE → NPE Jul 13, 09:40 UTCJul 13, 12:45 UTC3h 5m
2026-07-12 ZKRXD - Jul 12, 13:15 UTCJul 12, 19:25 UTC6h 10m
2026-07-12 ZKRXD NPE → AKL Jul 12, 11:45 UTCJul 12, 12:25 UTC40m
2026-07-11 ZKRXD - Jul 11, 00:55 UTCJul 11, 02:50 UTC1h 55m
2026-07-09 ZKRXD - Jul 9, 19:35 UTCJul 9, 22:15 UTC2h 40m
2026-07-08 ZKRXD - Jul 8, 08:00 UTCJul 8, 08:35 UTC35m
2026-07-07 ZKRXD - Jul 7, 22:05 UTCJul 8, 07:15 UTC9h 10m
2026-07-07 ZKRXD - Jul 7, 02:05 UTCJul 7, 05:10 UTC3h 5m
2026-07-06 ZKRXD - Jul 6, 22:00 UTCJul 7, 01:15 UTC3h 15m
2026-07-06 ZKRXD NPE → AKL Jul 6, 20:10 UTCJul 6, 20:50 UTC40m
2026-07-06 ZKRXD - Jul 6, 09:50 UTCJul 6, 10:25 UTC35m
2026-07-05 ZKRXD - Jul 5, 19:45 UTCJul 6, 08:50 UTC13h 5m
2026-07-05 ZKRXD NPE → AKL Jul 5, 07:30 UTCJul 5, 08:10 UTC40m
2026-07-04 ZKRXD WLG → NPE Jul 4, 08:15 UTCJul 4, 08:45 UTC30m
2026-07-03 ZKRXD NPE → WLG Jul 3, 20:00 UTCJul 4, 06:30 UTC10h 30m
2026-07-02 ZKRXD - Jul 2, 23:25 UTCJul 3, 00:00 UTC35m
2026-07-02 ZKRXD - Jul 2, 22:00 UTCJul 2, 22:45 UTC45m
2026-07-02 ZKRXD - Jul 2, 01:00 UTCJul 2, 01:50 UTC50m
2026-07-01 ZKRXD - Jul 1, 23:45 UTCJul 2, 00:20 UTC35m
2026-06-28 ZKRXD - Jun 28, 06:30 UTCJun 28, 07:20 UTC50m
2026-06-28 ZKRXD - Jun 28, 05:09 UTCJun 28, 05:55 UTC45m
2026-06-27 ZKRXD NPE → PMR Jun 27, 22:09 UTCJun 28, 04:15 UTC6h 5m
2026-06-19 ZKRXD - Jun 19, 10:54 UTCJun 19, 11:45 UTC50m
2026-06-19 ZKRXD - Jun 19, 09:04 UTCJun 19, 10:19 UTC1h 15m
2026-06-19 ZKRXD NPE → AKL Jun 19, 08:04 UTCJun 19, 08:34 UTC30m
2026-06-17 ZKRXD - Jun 17, 05:00 UTCJun 17, 11:10 UTC6h 10m
2026-06-17 ZKRXD - Jun 17, 04:05 UTCJun 17, 04:30 UTC25m
2026-06-17 ZKRXD - Jun 17, 02:40 UTCJun 17, 02:55 UTC15m
2026-06-10 ZKRXD WLG → NPE Jun 10, 10:05 UTCJun 10, 10:35 UTC30m
2026-06-10 ZKRXD - Jun 10, 06:05 UTCJun 10, 09:05 UTC3h 0m
2026-06-10 ZKRXD - Jun 10, 04:50 UTCJun 10, 05:25 UTC35m
2026-06-08 ZKRXD - Jun 8, 19:25 UTCJun 9, 04:50 UTC9h 25m
2026-06-08 ZKRXD - Jun 8, 00:35 UTCJun 8, 01:45 UTC1h 10m
2026-06-07 ZKRXD - Jun 7, 21:50 UTCJun 7, 23:10 UTC1h 20m
2026-06-07 ZKRXD - Jun 7, 20:10 UTCJun 7, 20:25 UTC15m
2026-06-06 ZKRXD - Jun 6, 21:54 UTCJun 6, 22:50 UTC55m
2026-06-06 ZKRXD - Jun 6, 08:25 UTCJun 6, 08:45 UTC20m
2026-06-06 ZKRXD - Jun 6, 04:40 UTCJun 6, 07:40 UTC3h 0m
2026-06-05 ZKRXD NPE → MEB Jun 5, 22:35 UTCJun 6, 02:25 UTC3h 50m
2026-06-05 ZKRXD - Jun 5, 07:55 UTCJun 5, 08:50 UTC55m
2026-06-05 ZKRXD NPE → CHC Jun 5, 04:25 UTCJun 5, 07:20 UTC2h 55m
2026-05-27 ZKRXD - May 27, 00:59 UTCMay 27, 02:09 UTC1h 10m
2026-05-26 ZKRXD - May 26, 22:29 UTCMay 26, 23:49 UTC1h 20m
2026-05-23 ZKRXD - May 23, 12:35 UTCMay 23, 13:10 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-RXD page for operator, model, and routing details .

Mode-S C8276A frequently asked

What is Mode-S code C8276A?
C8276A is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-RXD.
Where is Mode-S C8276A registered?
Mode-S code C8276A 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 C8276A broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C8276A, octal 62023552, decimal 13,117,290.
What flights does C8276A operate?
Mode-S C8276A has broadcast 1 distinct callsign, including ZKRXD.