Apparatus

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sensors Mode-S transponder

C81BB3

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-NFA · DE HAVILLAND DHC-8-300 Dash 8

Hex
C81BB3
Octal
62015663
Decimal
13,114,291
Country
NZ
Tail
ZK-NFA
Type
DH8C
No current signal · last broadcast Jul 25, 06:35 UTC
Flights observed
544
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 25, 06:35 UTC

Last known position

Most recent position reported by Mode-S C81BB3.

Country allocation

The ICAO 24-bit address C81BB3 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
ANZ769L Air New Zealand 9 2026-07-22
ANZ321L - 9 2026-07-12
ANZ289L Air New Zealand 9 2026-07-22
ANZ167L Air New Zealand 9 2026-07-22
ANZ129L Air New Zealand 9 2026-07-20
ANZ128L - 9 2026-07-20
ANZ841L Air New Zealand 8 2026-07-22
ANZ302L - 8 2026-07-16
ANZ193L - 8 2026-07-18
ANZ895L - 7 2026-07-12
ANZ886L - 7 2026-07-12
ANZ768L Air New Zealand 7 2026-07-22
ANZ739L - 7 2026-06-30
ANZ736L - 7 2026-06-30
ANZ729L - 7 2026-07-02
ANZ323L - 7 2026-07-18
ANZ208L Air New Zealand 7 2026-07-24
ANZ205L Air New Zealand 7 2026-07-24
ANZ192L - 7 2026-07-19
ANZ171L - 7 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 ANZ583L AKL → NSN Jul 25, 05:15 UTCJul 25, 06:35 UTC1h 20m
2026-07-25 ANZ269L KKE → AKL Jul 25, 03:25 UTCJul 25, 03:45 UTC20m
2026-07-25 ANZ268L AKL → KKE Jul 25, 01:50 UTCJul 25, 02:20 UTC30m
2026-07-25 ANZ012L NPE → AKL Jul 25, 00:05 UTCJul 25, 01:00 UTC55m
2026-07-24 ANZ005L AKL → NPE Jul 24, 22:15 UTCJul 24, 23:10 UTC55m
2026-07-24 ANZ208L BHE → AKL Jul 24, 18:05 UTCJul 24, 19:25 UTC1h 20m
2026-07-24 ANZ205L AKL → BHE Jul 24, 06:55 UTCJul 24, 08:00 UTC1h 5m
2026-07-24 ANZ138L TRG → AKL Jul 24, 04:40 UTCJul 24, 05:20 UTC40m
2026-07-24 ANZ137L AKL → TRG Jul 24, 03:30 UTCJul 24, 03:55 UTC25m
2026-07-23 ANZ166L GIS → AKL Jul 23, 23:35 UTCJul 24, 00:25 UTC50m
2026-07-23 ANZ282L WLG → GIS Jul 23, 21:15 UTCJul 23, 22:05 UTC50m
2026-07-23 ANZ334L CHC → WLG Jul 23, 19:30 UTCJul 23, 20:25 UTC55m
2026-07-23 ANZ763L NPL → CHC Jul 23, 05:20 UTCJul 23, 06:20 UTC1h 0m
2026-07-23 ANZ764L CHC → NPL Jul 23, 03:05 UTCJul 23, 03:55 UTC50m
2026-07-22 ANZ769L NPL → CHC Jul 22, 22:55 UTCJul 23, 00:15 UTC1h 20m
2026-07-22 ANZ768L CHC → NPL Jul 22, 20:30 UTCJul 22, 21:35 UTC1h 5m
2026-07-22 ANZ841L NSN → CHC Jul 22, 19:00 UTCJul 22, 19:40 UTC40m
2026-07-22 ANZ289L GIS → WLG Jul 22, 03:25 UTCJul 22, 04:20 UTC55m
2026-07-22 ANZ167L AKL → GIS Jul 22, 02:00 UTCJul 22, 02:40 UTC40m
2026-07-21 ANZ212L BHE → AKL Jul 21, 02:40 UTCJul 21, 03:45 UTC1h 5m
2026-07-21 ANZ509L AKL → BHE Jul 21, 00:30 UTCJul 21, 01:45 UTC1h 15m
2026-07-20 ANZ128L - Jul 20, 21:55 UTCJul 20, 22:20 UTC25m
2026-07-20 ANZ129L AKL → TRG Jul 20, 20:45 UTCJul 20, 21:10 UTC25m
2026-07-20 ANZ277L KKE → AKL Jul 20, 05:55 UTCJul 20, 06:25 UTC30m
2026-07-20 ANZ270L AKL → KKE Jul 20, 04:40 UTCJul 20, 05:00 UTC20m
2026-07-19 ANZ160L GIS → AKL Jul 19, 18:20 UTCJul 19, 19:15 UTC55m
2026-07-19 ANZ286L - Jul 19, 05:55 UTCJul 19, 06:45 UTC50m
2026-07-19 ANZ261L - Jul 19, 03:55 UTCJul 19, 04:55 UTC1h 0m
2026-07-19 ANZ252L - Jul 19, 02:05 UTCJul 19, 03:10 UTC1h 5m
2026-07-19 ANZ192L - Jul 19, 00:00 UTCJul 19, 00:55 UTC55m
2026-07-18 ANZ193L - Jul 18, 21:50 UTCJul 18, 22:50 UTC1h 0m
2026-07-18 ANZ314L NSN → WLG Jul 18, 01:50 UTCJul 18, 02:14 UTC25m
2026-07-18 ANZ323L - Jul 18, 00:15 UTCJul 18, 00:39 UTC25m
2026-07-17 ANZ793L - Jul 17, 22:25 UTCJul 17, 23:10 UTC45m
2026-07-17 ANZ792L WLG → NPL Jul 17, 21:05 UTCJul 17, 21:50 UTC45m
2026-07-17 ANZ251L - Jul 17, 18:44 UTCJul 17, 19:55 UTC1h 10m
2026-07-17 ANZ262L - Jul 17, 07:30 UTCJul 17, 08:25 UTC55m
2026-07-17 ANZ261L - Jul 17, 03:30 UTCJul 17, 04:39 UTC1h 10m
2026-07-17 ANZ252L - Jul 17, 01:55 UTCJul 17, 02:50 UTC55m
2026-07-16 ANZ885L NPE → WLG Jul 16, 22:55 UTCJul 16, 23:44 UTC50m
2026-07-16 ANZ884L WLG → NPE Jul 16, 21:30 UTCJul 16, 22:10 UTC40m
2026-07-16 ANZ302L - Jul 16, 19:45 UTCJul 16, 20:09 UTC25m
2026-07-16 ANZ854L - Jul 16, 07:25 UTCJul 16, 07:45 UTC20m
2026-07-16 ANZ837L - Jul 16, 05:45 UTCJul 16, 06:05 UTC20m
2026-07-16 ANZ832L - Jul 16, 04:30 UTCJul 16, 04:50 UTC20m
2026-07-15 ANZ769L - Jul 15, 23:35 UTCJul 16, 00:05 UTC30m
2026-07-15 ANZ769L - Jul 15, 22:45 UTCJul 15, 22:55 UTC10m
2026-07-15 ANZ768L - Jul 15, 20:30 UTCJul 15, 21:40 UTC1h 10m
2026-07-15 ANZ841L - Jul 15, 19:00 UTCJul 15, 19:30 UTC30m
2026-07-15 ANZ087L - Jul 15, 08:15 UTCJul 15, 09:00 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-NFA page for operator, model, and routing details .

Mode-S C81BB3 frequently asked

What is Mode-S code C81BB3?
C81BB3 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-NFA.
Where is Mode-S C81BB3 registered?
Mode-S code C81BB3 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 C81BB3 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 06:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C81BB3, octal 62015663, decimal 13,114,291.
What flights does C81BB3 operate?
Mode-S C81BB3 has broadcast 20 distinct callsigns, including ANZ769L, ANZ321L, ANZ289L, ANZ167L, ANZ129L.