Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

C8274D

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-WUC · CESSNA 172 Skyhawk

Hex
C8274D
Octal
62023515
Decimal
13,117,261
Country
NZ
Tail
ZK-WUC
Type
C172
No current signal · last broadcast 23h ago
Flights observed
34
Distinct callsigns
1
Country
NZ
Last broadcast
23h ago

Last known position

Most recent position reported by Mode-S C8274D.

Country allocation

The ICAO 24-bit address C8274D 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
ZKWUC - 34 2026-05-29

Recent flights last 34

DateFlightRouteTakeoffLandingDuration
2026-05-29 ZKWUC - May 29, 03:40 UTCMay 29, 04:40 UTC1h 0m
2026-05-29 ZKWUC NPE → NPE May 29, 02:25 UTCMay 29, 03:05 UTC40m
2026-05-28 ZKWUC NPE → NPE May 28, 23:50 UTCMay 29, 00:50 UTC1h 0m
2026-05-28 ZKWUC NPE → NPE May 28, 22:15 UTCMay 28, 23:05 UTC50m
2026-05-28 ZKWUC NPE → NPE May 28, 20:50 UTCMay 28, 21:35 UTC45m
2026-05-28 ZKWUC NPE → NPE May 28, 03:55 UTCMay 28, 05:00 UTC1h 5m
2026-05-28 ZKWUC - May 28, 02:40 UTCMay 28, 03:25 UTC45m
2026-05-27 ZKWUC NPE → NPE May 27, 23:10 UTCMay 28, 00:00 UTC50m
2026-05-27 ZKWUC - May 27, 21:35 UTCMay 27, 22:20 UTC45m
2026-05-25 ZKWUC - May 25, 03:15 UTCMay 25, 04:10 UTC55m
2026-05-22 ZKWUC NPE → NPE May 22, 04:20 UTCMay 22, 05:05 UTC45m
2026-05-22 ZKWUC - May 22, 02:40 UTCMay 22, 03:30 UTC50m
2026-05-21 ZKWUC NPE → NPE May 21, 02:50 UTCMay 21, 03:50 UTC1h 0m
2026-05-20 ZKWUC NPE → NPE May 20, 23:55 UTCMay 21, 01:00 UTC1h 5m
2026-05-20 ZKWUC - May 20, 21:05 UTCMay 20, 21:40 UTC35m
2026-05-19 ZKWUC NPE → NPE May 19, 22:55 UTCMay 19, 23:50 UTC55m
2026-05-19 ZKWUC - May 19, 21:05 UTCMay 19, 21:55 UTC50m
2026-05-19 ZKWUC NPE → NPE May 19, 04:15 UTCMay 19, 05:10 UTC55m
2026-05-19 ZKWUC NPE → NPE May 19, 02:15 UTCMay 19, 03:25 UTC1h 10m
2026-05-16 ZKWUC NPE → NPE May 16, 03:25 UTCMay 16, 04:10 UTC45m
2026-05-16 ZKWUC NPE → NPE May 16, 02:05 UTCMay 16, 02:35 UTC30m
2026-05-16 ZKWUC NPE → NPE May 16, 00:40 UTCMay 16, 01:15 UTC35m
2026-05-15 ZKWUC NPE → NPE May 15, 23:00 UTCMay 15, 23:35 UTC35m
2026-05-15 ZKWUC - May 15, 04:50 UTCMay 15, 05:30 UTC40m
2026-05-15 ZKWUC NPE → NPE May 15, 02:35 UTCMay 15, 03:45 UTC1h 10m
2026-05-14 ZKWUC NPE → NPE May 14, 22:55 UTCMay 15, 00:00 UTC1h 5m
2026-05-13 ZKWUC - May 13, 23:45 UTCMay 14, 00:55 UTC1h 10m
2026-05-13 ZKWUC - May 13, 22:15 UTCMay 13, 23:00 UTC45m
2026-05-03 ZKWUC NPE → NPE May 3, 01:20 UTCMay 3, 03:10 UTC1h 50m
2026-05-02 ZKWUC - May 2, 21:10 UTCMay 2, 21:45 UTC35m
2026-05-02 ZKWUC - May 2, 19:25 UTCMay 2, 20:20 UTC55m
2026-05-02 ZKWUC NPE → NPE May 2, 04:55 UTCMay 2, 05:40 UTC45m
2026-05-02 ZKWUC NPE → NPE May 2, 03:15 UTCMay 2, 04:15 UTC1h 0m
2026-05-02 ZKWUC - May 2, 01:15 UTCMay 2, 01:55 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-WUC page for operator, model, and routing details .

Mode-S C8274D frequently asked

What is Mode-S code C8274D?
C8274D is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-WUC.
Where is Mode-S C8274D registered?
Mode-S code C8274D 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 C8274D broadcasting right now?
No active broadcast right now. Last signal was 23h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C8274D, octal 62023515, decimal 13,117,261.
What flights does C8274D operate?
Mode-S C8274D has broadcast 1 distinct callsign, including ZKWUC.