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sensors Mode-S transponder

C82AE4

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-TXC · BOEING 737-800

Hex
C82AE4
Octal
62025344
Decimal
13,118,180
Country
NZ
Tail
ZK-TXC
Type
B738
No current signal · last broadcast 4h ago
Flights observed
204
Distinct callsigns
19
Country
NZ
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S C82AE4.

Country allocation

The ICAO 24-bit address C82AE4 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 19 distinct

Callsign Airline Flights Last seen
TFX49 - 16 2026-07-01
TFX52 - 15 2026-06-30
TFX23 - 15 2026-07-13
TFX12 - 15 2026-07-14
TFX11 - 15 2026-07-13
TFX22 - 14 2026-07-14
TFX21 - 14 2026-07-14
TFX94 - 13 2026-07-14
TFX402 - 13 2026-07-01
TFX93 - 12 2026-07-14
TFX42 - 12 2026-06-29
TFX34 - 12 2026-06-30
TFX41 - 11 2026-06-30
TFX36 - 11 2026-06-29
TFX53 - 5 2026-06-16
TFX92 - 4 2026-06-18
TFX51 - 4 2026-06-04
TFX91 - 2 2026-05-14
TFX37 - 1 2026-06-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 TFX12 - Jul 14, 18:20 UTCJul 14, 21:55 UTC3h 35m
2026-07-14 TFX94 - Jul 14, 16:55 UTCJul 14, 17:30 UTC35m
2026-07-14 TFX93 - Jul 14, 15:10 UTCJul 14, 15:40 UTC30m
2026-07-14 TFX22 SYD → MEL Jul 14, 13:00 UTCJul 14, 14:05 UTC1h 5m
2026-07-14 TFX21 BNE → SYD Jul 14, 10:05 UTCJul 14, 11:20 UTC1h 15m
2026-07-13 TFX23 MEL → BNE Jul 13, 15:55 UTCJul 13, 17:45 UTC1h 50m
2026-07-13 TFX11 PER → MEL Jul 13, 10:55 UTCJul 13, 14:00 UTC3h 5m
2026-07-09 TFX12 MEL → PER Jul 9, 17:50 UTCJul 9, 21:25 UTC3h 35m
2026-07-09 TFX94 - Jul 9, 16:20 UTCJul 9, 16:55 UTC35m
2026-07-09 TFX93 - Jul 9, 14:45 UTCJul 9, 15:15 UTC30m
2026-07-09 TFX22 SYD → MEL Jul 9, 12:45 UTCJul 9, 13:55 UTC1h 10m
2026-07-09 TFX21 BNE → SYD Jul 9, 10:05 UTCJul 9, 11:05 UTC1h 0m
2026-07-08 TFX23 MEL → BNE Jul 8, 15:25 UTCJul 8, 17:15 UTC1h 50m
2026-07-08 TFX11 PER → MEL Jul 8, 10:50 UTCJul 8, 14:00 UTC3h 10m
2026-07-07 TFX12 MEL → PER Jul 7, 18:20 UTCJul 7, 21:55 UTC3h 35m
2026-07-07 TFX94 - Jul 7, 16:25 UTCJul 7, 17:00 UTC35m
2026-07-07 TFX93 - Jul 7, 14:50 UTCJul 7, 15:20 UTC30m
2026-07-07 TFX22 SYD → MEL Jul 7, 12:45 UTCJul 7, 13:55 UTC1h 10m
2026-07-07 TFX21 BNE → SYD Jul 7, 09:55 UTCJul 7, 11:05 UTC1h 10m
2026-07-06 TFX23 - Jul 6, 15:30 UTCJul 6, 17:15 UTC1h 45m
2026-07-06 TFX11 PER → MEL Jul 6, 11:00 UTCJul 6, 14:15 UTC3h 15m
2026-07-02 TFX12 - Jul 2, 18:35 UTCJul 2, 22:10 UTC3h 35m
2026-07-02 TFX94 - Jul 2, 17:00 UTCJul 2, 17:40 UTC40m
2026-07-02 TFX93 - Jul 2, 15:05 UTCJul 2, 15:30 UTC25m
2026-07-02 TFX22 SYD → MEL Jul 2, 13:05 UTCJul 2, 14:15 UTC1h 10m
2026-07-02 TFX21 BNE → SYD Jul 2, 09:50 UTCJul 2, 11:05 UTC1h 15m
2026-07-01 TFX402 SYD → BNE Jul 1, 12:15 UTCJul 1, 13:30 UTC1h 15m
2026-07-01 TFX49 - Jul 1, 09:35 UTCJul 1, 10:15 UTC40m
2026-07-01 TFX49 - Jul 1, 06:30 UTCJul 1, 06:45 UTC15m
2026-06-30 TFX52 - Jun 30, 18:10 UTCJun 30, 19:35 UTC1h 25m
2026-06-30 TFX41 SYD → BNE Jun 30, 12:55 UTCJun 30, 14:05 UTC1h 10m
2026-06-30 TFX34 - Jun 30, 10:30 UTCJun 30, 11:15 UTC45m
2026-06-30 TFX34 - Jun 30, 09:40 UTCJun 30, 10:25 UTC45m
2026-06-29 TFX36 - Jun 29, 18:10 UTCJun 29, 19:09 UTC1h 0m
2026-06-29 TFX42 BNE → MEL Jun 29, 15:00 UTCJun 29, 16:59 UTC2h 0m
2026-06-29 TFX402 SYD → BNE Jun 29, 12:05 UTCJun 29, 13:24 UTC1h 20m
2026-06-29 TFX49 - Jun 29, 09:50 UTCJun 29, 10:29 UTC40m
2026-06-29 TFX49 - Jun 29, 06:44 UTCJun 29, 06:59 UTC15m
2026-06-25 TFX52 - Jun 25, 18:24 UTCJun 25, 19:59 UTC1h 35m
2026-06-25 TFX23 - Jun 25, 15:24 UTCJun 25, 17:20 UTC1h 55m
2026-06-25 TFX11 PER → MEL Jun 25, 10:55 UTCJun 25, 14:20 UTC3h 25m
2026-06-24 TFX12 - Jun 24, 17:55 UTCJun 24, 21:19 UTC3h 25m
2026-06-24 TFX94 - Jun 24, 16:40 UTCJun 24, 17:10 UTC30m
2026-06-24 TFX93 - Jun 24, 14:55 UTCJun 24, 15:24 UTC30m
2026-06-24 TFX22 SYD → MEL Jun 24, 12:54 UTCJun 24, 14:00 UTC1h 5m
2026-06-24 TFX21 BNE → SYD Jun 24, 09:39 UTCJun 24, 10:49 UTC1h 10m
2026-06-23 TFX23 MEL → BNE Jun 23, 15:30 UTCJun 23, 17:15 UTC1h 45m
2026-06-23 TFX11 PER → MEL Jun 23, 11:04 UTCJun 23, 14:25 UTC3h 20m
2026-06-22 TFX12 - Jun 22, 18:15 UTCJun 22, 21:54 UTC3h 40m
2026-06-22 TFX93 MEL → MEL Jun 22, 14:59 UTCJun 22, 17:29 UTC2h 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-TXC page for operator, model, and routing details .

Mode-S C82AE4 frequently asked

What is Mode-S code C82AE4?
C82AE4 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-TXC.
Where is Mode-S C82AE4 registered?
Mode-S code C82AE4 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 C82AE4 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C82AE4, octal 62025344, decimal 13,118,180.
What flights does C82AE4 operate?
Mode-S C82AE4 has broadcast 19 distinct callsigns, including TFX49, TFX52, TFX23, TFX12, TFX11.