Apparatus

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sensors Mode-S transponder

C804CC

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-ETK · CESSNA 172 Skyhawk

Hex
C804CC
Octal
62002314
Decimal
13,108,428
Country
NZ
Tail
ZK-ETK
Type
C172
No current signal · last broadcast 1h ago
Flights observed
164
Distinct callsigns
1
Country
NZ
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S C804CC.

Country allocation

The ICAO 24-bit address C804CC 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
ZKETK - 164 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 ZKETK - Jul 10, 06:05 UTCJul 10, 07:00 UTC55m
2026-07-10 ZKETK - Jul 10, 02:20 UTCJul 10, 03:30 UTC1h 10m
2026-07-09 ZKETK - Jul 9, 23:30 UTCJul 10, 00:25 UTC55m
2026-07-04 ZKETK AMZ → AMZ Jul 4, 00:30 UTCJul 4, 01:20 UTC50m
2026-07-03 ZKETK - Jul 3, 22:50 UTCJul 3, 23:35 UTC45m
2026-07-03 ZKETK - Jul 3, 03:50 UTCJul 3, 04:40 UTC50m
2026-07-03 ZKETK - Jul 3, 01:00 UTCJul 3, 01:35 UTC35m
2026-07-02 ZKETK - Jul 2, 06:15 UTCJul 2, 06:51 UTC36m
2026-07-02 ZKETK - Jul 2, 04:50 UTCJul 2, 05:25 UTC35m
2026-07-02 ZKETK - Jul 2, 04:00 UTCJul 2, 04:10 UTC10m
2026-07-02 ZKETK - Jul 2, 02:50 UTCJul 2, 03:25 UTC35m
2026-07-02 ZKETK - Jul 2, 00:20 UTCJul 2, 01:05 UTC45m
2026-07-01 ZKETK - Jul 1, 21:30 UTCJul 1, 23:35 UTC2h 5m
2026-07-01 ZKETK - Jul 1, 02:05 UTCJul 1, 05:20 UTC3h 15m
2026-07-01 ZKETK - Jul 1, 00:20 UTCJul 1, 01:15 UTC55m
2026-06-30 ZKETK - Jun 30, 21:55 UTCJun 30, 23:40 UTC1h 45m
2026-06-30 ZKETK AMZ → AMZ Jun 30, 03:15 UTCJun 30, 05:10 UTC1h 55m
2026-06-30 ZKETK - Jun 30, 02:00 UTCJun 30, 02:35 UTC35m
2026-06-29 ZKETK - Jun 29, 21:30 UTCJun 30, 00:14 UTC2h 45m
2026-06-29 ZKETK AMZ → AMZ Jun 29, 04:25 UTCJun 29, 05:04 UTC40m
2026-06-29 ZKETK - Jun 29, 03:29 UTCJun 29, 03:54 UTC25m
2026-06-29 ZKETK - Jun 29, 00:49 UTCJun 29, 01:34 UTC45m
2026-06-28 ZKETK - Jun 28, 23:20 UTCJun 28, 23:54 UTC35m
2026-06-28 ZKETK - Jun 28, 21:24 UTCJun 28, 21:40 UTC15m
2026-06-28 ZKETK - Jun 28, 03:19 UTCJun 28, 03:29 UTC10m
2026-06-28 ZKETK - Jun 28, 02:29 UTCJun 28, 02:39 UTC10m
2026-06-28 ZKETK AMZ → AMZ Jun 28, 00:20 UTCJun 28, 00:55 UTC35m
2026-06-27 ZKETK - Jun 27, 21:04 UTCJun 27, 21:55 UTC50m
2026-06-27 ZKETK - Jun 27, 04:00 UTCJun 27, 04:44 UTC45m
2026-06-23 ZKETK AMZ → AMZ Jun 23, 02:55 UTCJun 23, 03:45 UTC50m
2026-06-23 ZKETK - Jun 23, 01:15 UTCJun 23, 02:09 UTC55m
2026-06-22 ZKETK AMZ → AMZ Jun 22, 23:35 UTCJun 22, 23:55 UTC20m
2026-06-22 ZKETK - Jun 22, 02:59 UTCJun 22, 03:50 UTC50m
2026-06-22 ZKETK - Jun 22, 00:50 UTCJun 22, 02:00 UTC1h 10m
2026-06-21 ZKETK AMZ → AMZ Jun 21, 23:05 UTCJun 21, 23:14 UTC10m
2026-06-20 ZKETK AMZ → AMZ Jun 20, 03:44 UTCJun 20, 05:04 UTC1h 20m
2026-06-20 ZKETK AMZ → AMZ Jun 20, 01:34 UTCJun 20, 02:35 UTC1h 0m
2026-06-19 ZKETK - Jun 19, 22:14 UTCJun 19, 22:49 UTC35m
2026-06-19 ZKETK - Jun 19, 02:35 UTCJun 19, 03:44 UTC1h 10m
2026-06-19 ZKETK - Jun 19, 00:55 UTCJun 19, 01:24 UTC30m
2026-06-18 ZKETK - Jun 18, 23:20 UTCJun 19, 00:00 UTC40m
2026-06-18 ZKETK AMZ → AMZ Jun 18, 03:25 UTCJun 18, 03:45 UTC20m
2026-06-16 ZKETK - Jun 16, 23:05 UTCJun 17, 00:10 UTC1h 5m
2026-06-16 ZKETK - Jun 16, 02:50 UTCJun 16, 03:30 UTC40m
2026-06-15 ZKETK AMZ → AMZ Jun 15, 21:55 UTCJun 15, 22:10 UTC15m
2026-06-15 ZKETK - Jun 15, 04:04 UTCJun 15, 05:00 UTC55m
2026-06-15 ZKETK - Jun 15, 01:35 UTCJun 15, 02:10 UTC35m
2026-06-14 ZKETK AMZ → AMZ Jun 14, 23:10 UTCJun 14, 23:54 UTC45m
2026-06-14 ZKETK - Jun 14, 03:25 UTCJun 14, 03:45 UTC20m
2026-06-14 ZKETK - Jun 14, 01:05 UTCJun 14, 01:45 UTC40m

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

Mode-S C804CC frequently asked

What is Mode-S code C804CC?
C804CC is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-ETK.
Where is Mode-S C804CC registered?
Mode-S code C804CC 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 C804CC broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C804CC, octal 62002314, decimal 13,108,428.
What flights does C804CC operate?
Mode-S C804CC has broadcast 1 distinct callsign, including ZKETK.