sensors Mode-S transponder

C8281C

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-NZR · BOEING 787-9 Dreamliner

Hex
C8281C
Octal
62024034
Decimal
13,117,468
Country
NZ
Tail
ZK-NZR
Type
B789
No current signal · last broadcast 13h ago
Flights observed
7
Distinct callsigns
4
Country
NZ
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S C8281C.

Country allocation

The ICAO 24-bit address C8281C 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 4 distinct

Callsign Airline Flights Last seen
ANZ81 Air New Zealand 3 2026-04-14
ANZ902 - 2 2026-04-13
ANZ945 Air New Zealand 1 2026-04-13
ANZ903 - 1 2026-04-13

Recent flights last 7

DateFlightRouteTakeoffLandingDuration
2026-04-14 ANZ81 AKL → HKG Apr 14, 09:10 UTCApr 14, 09:35 UTC25m
2026-04-14 ANZ81 AKL → HKG Apr 14, 07:25 UTCApr 14, 09:05 UTC1h 40m
2026-04-13 ANZ81 AKL → HKG Apr 13, 22:35 UTCApr 13, 22:55 UTC20m
2026-04-13 ANZ903 - Apr 13, 18:55 UTCApr 13, 19:50 UTC55m
2026-04-13 ANZ902 - Apr 13, 08:20 UTCApr 13, 08:40 UTC20m
2026-04-13 ANZ902 - Apr 13, 08:05 UTCApr 13, 08:15 UTC10m
2026-04-13 ANZ945 RAR → AKL Apr 13, 05:00 UTCApr 13, 05:45 UTC45m

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

Mode-S C8281C frequently asked

What is Mode-S code C8281C?
C8281C is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-NZR.
Where is Mode-S C8281C registered?
Mode-S code C8281C 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 C8281C broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C8281C, octal 62024034, decimal 13,117,468.
What flights does C8281C operate?
Mode-S C8281C has broadcast 4 distinct callsigns, including ANZ81, ANZ902, ANZ945, ANZ903.