Apparatus

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sensors Mode-S transponder

C820D1

ICAO 24-bit transponder address · allocated to New Zealand

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

Hex
C820D1
Octal
62020321
Decimal
13,115,601
Country
NZ
Tail
ZK-NZE
Type
B789
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
214
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S C820D1.

Country allocation

The ICAO 24-bit address C820D1 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
ANZ99 Air New Zealand 16 2026-07-25
ANZ90 Air New Zealand 15 2026-07-26
ANZ81 - 15 2026-06-28
ANZ80 - 14 2026-06-28
ANZ288 - 12 2026-07-05
ANZ175 Air New Zealand 11 2026-07-24
ANZ7 - 10 2026-06-23
ANZ289 - 9 2026-07-04
ANZ176 Air New Zealand 9 2026-07-24
ANZ8 - 8 2026-07-17
ANZ78 - 8 2026-07-09
ANZ77 - 8 2026-07-08
ANZ128 - 8 2026-07-10
ANZ127 - 8 2026-07-10
ANZ290 - 7 2026-07-14
ANZ291 - 6 2026-07-15
ANZ146 - 6 2026-07-16
ANZ145 - 6 2026-07-16
ANZ903 - 4 2026-07-13
ANZ902 - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ANZ90 NRT → AKL Jul 26, 12:30 UTCJul 26, 22:15 UTC9h 45m
2026-07-25 ANZ99 AKL → NRT Jul 25, 22:40 UTCJul 26, 08:55 UTC10h 16m
2026-07-24 ANZ176 PER → AKL Jul 24, 12:05 UTCJul 24, 17:45 UTC5h 40m
2026-07-24 ANZ175 AKL → PER Jul 24, 01:05 UTCJul 24, 07:55 UTC6h 50m
2026-07-23 ANZ90 NRT → AKL Jul 23, 21:35 UTCJul 23, 22:00 UTC25m
2026-07-23 ANZ90 NRT → AKL Jul 23, 11:55 UTCJul 23, 12:25 UTC30m
2026-07-22 ANZ99 AKL → NRT Jul 22, 23:50 UTCJul 23, 10:00 UTC10h 10m
2026-07-22 ANZ90 NRT → AKL Jul 22, 11:35 UTCJul 22, 21:15 UTC9h 40m
2026-07-21 ANZ99 AKL → NRT Jul 21, 22:35 UTCJul 21, 22:55 UTC20m
2026-07-19 ANZ6177 LAX → AKL Jul 19, 19:25 UTCJul 20, 07:45 UTC12h 20m
2026-07-17 ANZ8 - Jul 17, 08:30 UTCJul 17, 19:49 UTC11h 20m
2026-07-16 ANZ174 PER → AKL Jul 16, 16:15 UTCJul 16, 22:05 UTC5h 50m
2026-07-16 ANZ173 - Jul 16, 07:35 UTCJul 16, 14:15 UTC6h 40m
2026-07-16 ANZ146 - Jul 16, 05:00 UTCJul 16, 05:20 UTC20m
2026-07-16 ANZ146 - Jul 16, 02:40 UTCJul 16, 03:20 UTC40m
2026-07-16 ANZ145 - Jul 16, 00:00 UTCJul 16, 00:50 UTC50m
2026-07-15 ANZ145 - Jul 15, 21:55 UTCJul 15, 22:05 UTC10m
2026-07-15 ANZ291 - Jul 15, 17:00 UTCJul 15, 17:20 UTC20m
2026-07-15 ANZ291 - Jul 15, 01:45 UTCJul 15, 15:20 UTC13h 35m
2026-07-14 ANZ290 - Jul 14, 23:30 UTCJul 14, 23:40 UTC10m
2026-07-14 ANZ90 - Jul 14, 11:20 UTCJul 14, 21:00 UTC9h 40m
2026-07-13 ANZ99 - Jul 13, 22:30 UTCJul 14, 08:55 UTC10h 25m
2026-07-13 ANZ903 - Jul 13, 13:35 UTCJul 13, 19:10 UTC5h 35m
2026-07-13 ANZ902 - Jul 13, 07:20 UTCJul 13, 11:30 UTC4h 10m
2026-07-12 ANZ291 - Jul 12, 01:40 UTCJul 12, 18:05 UTC16h 25m
2026-07-11 ANZ290 - Jul 11, 23:30 UTCJul 11, 23:45 UTC15m
2026-07-11 ANZ90 - Jul 11, 11:55 UTCJul 11, 21:35 UTC9h 40m
2026-07-11 ANZ99 - Jul 11, 09:05 UTCJul 11, 09:45 UTC40m
2026-07-10 ANZ99 - Jul 10, 23:05 UTCJul 10, 23:20 UTC15m
2026-07-10 ANZ128 - Jul 10, 07:55 UTCJul 10, 08:15 UTC20m
2026-07-10 ANZ128 - Jul 10, 05:15 UTCJul 10, 05:45 UTC30m
2026-07-10 ANZ127 - Jul 10, 00:00 UTCJul 10, 03:20 UTC3h 20m
2026-07-09 ANZ78 TPE → AKL Jul 9, 11:00 UTCJul 9, 20:50 UTC9h 50m
2026-07-08 ANZ77 - Jul 8, 21:55 UTCJul 9, 09:00 UTC11h 5m
2026-07-08 ANZ122 MEL → AKL Jul 8, 02:40 UTCJul 8, 05:35 UTC2h 55m
2026-07-07 ANZ121 - Jul 7, 21:20 UTCJul 8, 00:55 UTC3h 35m
2026-07-06 ANZ290 - Jul 6, 23:25 UTCJul 7, 16:50 UTC17h 25m
2026-07-06 ANZ90 - Jul 6, 20:40 UTCJul 6, 21:10 UTC30m
2026-07-06 ANZ90 - Jul 6, 11:35 UTCJul 6, 11:55 UTC20m
2026-07-05 ANZ99 - Jul 5, 22:40 UTCJul 6, 09:30 UTC10h 50m
2026-07-05 ANZ288 - Jul 5, 16:35 UTCJul 5, 17:00 UTC25m
2026-07-04 ANZ288 - Jul 4, 20:55 UTCJul 5, 17:00 UTC20h 5m
2026-07-04 ANZ289 - Jul 4, 11:00 UTCJul 4, 21:10 UTC10h 10m
2026-07-03 ANZ90 - Jul 3, 11:20 UTCJul 3, 21:20 UTC10h 0m
2026-07-03 ANZ99 - Jul 3, 08:20 UTCJul 3, 08:50 UTC30m
2026-07-02 ANZ99 - Jul 2, 22:35 UTCJul 2, 22:50 UTC15m
2026-07-02 ANZ288 - Jul 2, 08:00 UTCJul 2, 18:10 UTC10h 10m
2026-07-01 ANZ289 - Jul 1, 10:55 UTCJul 1, 11:10 UTC15m
2026-07-01 ANZ128 MEL → AKL Jul 1, 05:15 UTCJul 1, 08:05 UTC2h 50m
2026-07-01 ANZ127 - Jul 1, 00:00 UTCJul 1, 03:30 UTC3h 30m

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

Mode-S C820D1 frequently asked

What is Mode-S code C820D1?
C820D1 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-NZE.
Where is Mode-S C820D1 registered?
Mode-S code C820D1 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 C820D1 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C820D1, octal 62020321, decimal 13,115,601.
What flights does C820D1 operate?
Mode-S C820D1 has broadcast 20 distinct callsigns, including ANZ99, ANZ90, ANZ81, ANZ80, ANZ288.