Apparatus

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sensors Mode-S transponder

C820F2

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-OKR · BOEING 777-300ER

Hex
C820F2
Octal
62020362
Decimal
13,115,634
Country
NZ
Tail
ZK-OKR
Type
B77W
No current signal · last broadcast Jul 26, 21:40 UTC
Flights observed
187
Distinct callsigns
20
Country
NZ
Last broadcast
Jul 26, 21:40 UTC

Last known position

Most recent position reported by Mode-S C820F2.

Country allocation

The ICAO 24-bit address C820F2 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
ANZ281 Air New Zealand 19 2026-07-20
ANZ6 Air New Zealand 13 2026-07-25
ANZ122 Air New Zealand 13 2026-07-22
ANZ5 Air New Zealand 12 2026-07-26
ANZ121 Air New Zealand 12 2026-07-21
ANZ282 - 11 2026-07-19
ANZ24 - 10 2026-07-14
ANZ23 - 10 2026-07-15
ANZ283 - 9 2026-07-13
ANZ284 - 8 2026-07-12
ANZ103 - 7 2026-07-15
ANZ953 - 6 2026-07-13
ANZ146 Air New Zealand 6 2026-07-23
ANZ104 - 6 2026-07-16
ANZ94 - 5 2026-04-21
ANZ28 Air New Zealand 5 2026-04-15
ANZ145 Air New Zealand 5 2026-07-22
ANZ95 Air New Zealand 4 2026-04-20
ANZ945 Air New Zealand 4 2026-07-24
ANZ293 Air New Zealand 3 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ANZ946 AKL → RAR Jul 26, 21:10 UTCJul 26, 21:40 UTC30m
2026-07-26 ANZ5 LAX → AKL Jul 26, 05:45 UTCJul 26, 18:10 UTC12h 26m
2026-07-25 ANZ6 AKL → LAX Jul 25, 09:05 UTCJul 25, 20:30 UTC11h 25m
2026-07-24 ANZ945 RAR → AKL Jul 24, 21:00 UTCJul 25, 06:15 UTC9h 15m
2026-07-24 ANZ5 LAX → AKL Jul 24, 05:55 UTCJul 24, 17:55 UTC12h 0m
2026-07-23 ANZ6 AKL → LAX Jul 23, 09:30 UTCJul 23, 21:10 UTC11h 40m
2026-07-23 ANZ146 BNE → AKL Jul 23, 03:30 UTCJul 23, 06:00 UTC2h 30m
2026-07-22 ANZ145 AKL → BNE Jul 22, 22:20 UTCJul 23, 01:40 UTC3h 20m
2026-07-22 ANZ903 PPT → AKL Jul 22, 14:20 UTCJul 22, 19:45 UTC5h 25m
2026-07-22 ANZ902 - Jul 22, 11:40 UTCJul 22, 12:15 UTC35m
2026-07-22 ANZ122 MEL → AKL Jul 22, 04:50 UTCJul 22, 05:15 UTC25m
2026-07-22 ANZ122 MEL → AKL Jul 22, 02:25 UTCJul 22, 02:50 UTC25m
2026-07-21 ANZ121 AKL → MEL Jul 21, 21:10 UTCJul 22, 00:55 UTC3h 45m
2026-07-20 ANZ281 SIN → AKL Jul 20, 14:35 UTCJul 21, 09:45 UTC19h 10m
2026-07-20 ANZ281 SIN → AKL Jul 20, 14:15 UTCJul 21, 09:45 UTC19h 29m
2026-07-20 ANZ281 SIN → AKL Jul 20, 12:15 UTCJul 21, 09:45 UTC21h 30m
2026-07-20 ANZ281 SIN → AKL Jul 20, 09:40 UTCJul 20, 09:50 UTC10m
2026-07-20 ANZ281 SIN → AKL Jul 20, 01:15 UTCJul 20, 07:50 UTC6h 35m
2026-07-19 ANZ282 - Jul 19, 12:25 UTCJul 19, 18:40 UTC6h 15m
2026-07-19 ANZ281 SIN → AKL Jul 19, 09:50 UTCJul 19, 10:10 UTC20m
2026-07-19 ANZ281 SIN → AKL Jul 19, 07:15 UTCJul 19, 08:05 UTC50m
2026-07-18 ANZ282 - Jul 18, 22:05 UTCJul 18, 22:15 UTC10m
2026-07-18 ANZ282 - Jul 18, 12:20 UTCJul 18, 18:25 UTC6h 5m
2026-07-18 ANZ281 SIN → AKL Jul 18, 09:50 UTCJul 18, 10:15 UTC25m
2026-07-18 ANZ281 SIN → AKL Jul 18, 07:15 UTCJul 18, 08:05 UTC50m
2026-07-17 ANZ282 - Jul 17, 12:04 UTCJul 17, 15:10 UTC3h 5m
2026-07-17 ANZ293 DPS → AKL Jul 17, 04:14 UTCJul 17, 07:05 UTC2h 50m
2026-07-16 ANZ293 DPS → AKL Jul 16, 10:35 UTCJul 17, 07:05 UTC20h 30m
2026-07-16 ANZ293 DPS → AKL Jul 16, 10:15 UTCJul 17, 07:05 UTC20h 50m
2026-07-16 ANZ292 - Jul 16, 08:20 UTCJul 17, 05:10 UTC20h 50m
2026-07-16 ANZ104 SYD → AKL Jul 16, 02:50 UTCJul 16, 05:40 UTC2h 50m
2026-07-15 ANZ103 - Jul 15, 22:00 UTCJul 16, 00:35 UTC2h 35m
2026-07-15 ANZ23 YVR → AKL Jul 15, 04:15 UTCJul 15, 17:05 UTC12h 50m
2026-07-14 ANZ24 - Jul 14, 08:25 UTCJul 14, 21:05 UTC12h 40m
2026-07-13 ANZ953 - Jul 13, 22:50 UTCJul 14, 05:45 UTC6h 55m
2026-07-13 ANZ283 - Jul 13, 20:20 UTCJul 13, 20:35 UTC15m
2026-07-13 ANZ283 - Jul 13, 11:50 UTCJul 13, 18:40 UTC6h 50m
2026-07-12 ANZ284 - Jul 12, 23:05 UTCJul 13, 02:30 UTC3h 25m
2026-07-12 ANZ943 - Jul 12, 08:05 UTCJul 12, 17:15 UTC9h 10m
2026-07-12 ANZ146 - Jul 12, 05:30 UTCJul 12, 05:55 UTC25m
2026-07-12 ANZ146 - Jul 12, 03:15 UTCJul 12, 03:50 UTC35m
2026-07-11 ANZ145 - Jul 11, 22:01 UTCJul 12, 01:10 UTC3h 10m
2026-07-11 ANZ23 YVR → AKL Jul 11, 04:20 UTCJul 11, 17:15 UTC12h 55m
2026-07-10 ANZ24 - Jul 10, 09:20 UTCJul 10, 21:35 UTC12h 15m
2026-07-10 ANZ953 - Jul 10, 00:20 UTCJul 10, 07:10 UTC6h 50m
2026-07-09 ANZ5 LAX → AKL Jul 9, 05:45 UTCJul 9, 17:55 UTC12h 10m
2026-07-08 ANZ6 - Jul 8, 08:45 UTCJul 8, 20:10 UTC11h 25m
2026-07-07 ANZ283 SIN → AKL Jul 7, 17:00 UTCJul 7, 19:45 UTC2h 45m
2026-07-06 ANZ284 - Jul 6, 22:30 UTCJul 7, 04:40 UTC6h 10m
2026-07-06 ANZ283 SIN → AKL Jul 6, 17:10 UTCJul 6, 20:00 UTC2h 50m

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

Mode-S C820F2 frequently asked

What is Mode-S code C820F2?
C820F2 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-OKR.
Where is Mode-S C820F2 registered?
Mode-S code C820F2 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 C820F2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C820F2, octal 62020362, decimal 13,115,634.
What flights does C820F2 operate?
Mode-S C820F2 has broadcast 20 distinct callsigns, including ANZ281, ANZ6, ANZ122, ANZ5, ANZ121.