Apparatus

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sensors Mode-S transponder

C81463

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-MCO · ATR-72-500

Hex
C81463
Octal
62012143
Decimal
13,112,419
Country
NZ
Tail
ZK-MCO
Type
AT75
No current signal · last broadcast Jul 26, 22:45 UTC
Flights observed
191
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 26, 22:45 UTC

Last known position

Most recent position reported by Mode-S C81463.

Country allocation

The ICAO 24-bit address C81463 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
CVA530 Air Chathams 28 2026-07-26
CVA533 Air Chathams 27 2026-07-23
CVA543 Air Chathams 16 2026-07-21
CVA540 Air Chathams 15 2026-07-20
CVA593 Air Chathams 13 2026-07-26
CVA590 Air Chathams 13 2026-07-23
CVA721 Air Chathams 12 2026-07-24
CVA718 Air Chathams 12 2026-07-24
CVA712 Air Chathams 12 2026-07-26
CVA717 Air Chathams 11 2026-07-26
CVA179 Air Chathams 6 2026-04-26
CVA178 Air Chathams 3 2026-04-17
CVA171 Air Chathams 3 2026-04-20
CVA167 Air Chathams 3 2026-04-22
CVA158 - 3 2026-04-22
CVA153 - 3 2026-04-19
CVA163 Air Chathams 2 2026-04-26
CVA972 - 1 2026-07-06
CVA964 - 1 2026-07-06
CVA934 - 1 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CVA530 CHT → WLG Jul 26, 22:25 UTCJul 26, 22:45 UTC20m
2026-07-26 CVA593 AKL → CHT Jul 26, 05:45 UTCJul 26, 06:55 UTC1h 11m
2026-07-26 CVA717 WAG → AKL Jul 26, 02:25 UTCJul 26, 03:10 UTC45m
2026-07-26 CVA712 AKL → WAG Jul 26, 00:45 UTCJul 26, 01:20 UTC35m
2026-07-24 CVA721 WAG → AKL Jul 24, 05:05 UTCJul 24, 05:40 UTC35m
2026-07-24 CVA718 AKL → WAG Jul 24, 03:15 UTCJul 24, 03:45 UTC30m
2026-07-23 CVA590 CHT → AKL Jul 23, 23:05 UTCJul 24, 00:10 UTC1h 5m
2026-07-23 CVA533 WLG → CHT Jul 23, 02:25 UTCJul 23, 03:00 UTC35m
2026-07-22 CVA530 CHT → WLG Jul 22, 22:35 UTCJul 22, 23:00 UTC25m
2026-07-21 CVA543 CHC → CHT Jul 21, 02:25 UTCJul 21, 03:10 UTC45m
2026-07-20 CVA540 CHT → CHC Jul 20, 23:00 UTCJul 20, 23:20 UTC20m
2026-07-20 CVA533 - Jul 20, 02:15 UTCJul 20, 02:50 UTC35m
2026-07-19 CVA530 - Jul 19, 22:30 UTCJul 19, 23:00 UTC30m
2026-07-19 CVA593 AKL → CHT Jul 19, 07:05 UTCJul 19, 08:05 UTC1h 0m
2026-07-19 CVA717 WAG → AKL Jul 19, 02:30 UTCJul 19, 03:20 UTC50m
2026-07-19 CVA712 AKL → WAG Jul 19, 00:45 UTCJul 19, 01:30 UTC45m
2026-07-17 CVA711 WAG → AKL Jul 17, 23:45 UTCJul 18, 00:29 UTC45m
2026-07-17 CVA708 - Jul 17, 21:55 UTCJul 17, 22:35 UTC40m
2026-07-17 CVA721 - Jul 17, 05:25 UTCJul 17, 06:15 UTC50m
2026-07-17 CVA718 AKL → WAG Jul 17, 03:50 UTCJul 17, 04:35 UTC45m
2026-07-16 CVA590 - Jul 16, 22:55 UTCJul 17, 00:04 UTC1h 10m
2026-07-16 CVA533 - Jul 16, 02:35 UTCJul 16, 03:05 UTC30m
2026-07-15 CVA530 - Jul 15, 22:25 UTCJul 15, 23:00 UTC35m
2026-07-14 CVA543 - Jul 14, 02:15 UTCJul 14, 02:55 UTC40m
2026-07-13 CVA540 - Jul 13, 22:20 UTCJul 13, 23:20 UTC1h 0m
2026-07-13 CVA533 - Jul 13, 02:25 UTCJul 13, 03:01 UTC35m
2026-07-12 CVA530 - Jul 12, 22:35 UTCJul 12, 23:10 UTC35m
2026-07-12 CVA593 - Jul 12, 06:05 UTCJul 12, 07:20 UTC1h 15m
2026-07-12 CVA719 - Jul 12, 03:10 UTCJul 12, 03:55 UTC45m
2026-07-12 CVA710 - Jul 12, 00:05 UTCJul 12, 00:45 UTC40m
2026-07-10 CVA590 - Jul 10, 22:40 UTCJul 10, 23:45 UTC1h 5m
2026-07-10 CVA533 - Jul 10, 02:05 UTCJul 10, 02:35 UTC30m
2026-07-09 CVA530 - Jul 9, 22:20 UTCJul 9, 22:55 UTC35m
2026-07-07 CVA543 - Jul 7, 06:55 UTCJul 7, 07:35 UTC40m
2026-07-07 CVA540 - Jul 7, 03:55 UTCJul 7, 04:15 UTC20m
2026-07-06 CVA533 - Jul 6, 22:55 UTCJul 6, 23:35 UTC40m
2026-07-06 CVA964 - Jul 6, 19:05 UTCJul 6, 20:10 UTC1h 5m
2026-07-06 CVA972 - Jul 6, 05:20 UTCJul 6, 06:35 UTC1h 15m
2026-07-06 CVA530 - Jul 6, 03:10 UTCJul 6, 03:30 UTC20m
2026-07-05 CVA530 - Jul 5, 22:45 UTCJul 5, 23:45 UTC1h 0m
2026-07-05 CVA593 - Jul 5, 05:35 UTCJul 5, 06:35 UTC1h 0m
2026-07-05 CVA717 WAG → AKL Jul 5, 02:25 UTCJul 5, 03:15 UTC50m
2026-07-05 CVA712 - Jul 5, 00:45 UTCJul 5, 01:20 UTC35m
2026-07-03 CVA721 - Jul 3, 04:50 UTCJul 3, 05:40 UTC50m
2026-07-03 CVA718 - Jul 3, 03:10 UTCJul 3, 03:55 UTC45m
2026-07-02 CVA590 - Jul 2, 22:40 UTCJul 2, 23:55 UTC1h 15m
2026-07-02 CVA533 - Jul 2, 02:20 UTCJul 2, 02:55 UTC35m
2026-07-01 CVA530 - Jul 1, 22:15 UTCJul 1, 22:50 UTC35m
2026-06-30 CVA543 - Jun 30, 02:10 UTCJun 30, 02:50 UTC40m
2026-06-29 CVA540 - Jun 29, 22:44 UTCJun 29, 23:19 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-MCO page for operator, model, and routing details .

Mode-S C81463 frequently asked

What is Mode-S code C81463?
C81463 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-MCO.
Where is Mode-S C81463 registered?
Mode-S code C81463 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 C81463 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C81463, octal 62012143, decimal 13,112,419.
What flights does C81463 operate?
Mode-S C81463 has broadcast 20 distinct callsigns, including CVA530, CVA533, CVA543, CVA540, CVA593.