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sensors Mode-S transponder

C8398F

ICAO 24-bit transponder address · allocated to New Zealand

Hex
C8398F
Octal
62034617
Decimal
13,121,935
Country
NZ
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
108
Distinct callsigns
1
Country
NZ
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S C8398F.

Country allocation

The ICAO 24-bit address C8398F 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 1 distinct

Callsign Airline Flights Last seen
ZKNJL - 108 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ZKNJL - Jul 26, 20:40 UTCJul 26, 21:15 UTC35m
2026-07-23 ZKNJL - Jul 23, 23:30 UTCJul 23, 23:55 UTC25m
2026-07-23 ZKNJL - Jul 23, 21:15 UTCJul 23, 21:55 UTC40m
2026-07-23 ZKNJL NPE → NPE Jul 23, 01:45 UTCJul 23, 02:20 UTC35m
2026-07-22 ZKNJL - Jul 22, 23:45 UTCJul 23, 00:15 UTC30m
2026-07-22 ZKNJL - Jul 22, 21:45 UTCJul 22, 22:30 UTC45m
2026-07-22 ZKNJL NPE → NPE Jul 22, 03:35 UTCJul 22, 04:35 UTC1h 0m
2026-07-22 ZKNJL NPE → NPE Jul 22, 01:20 UTCJul 22, 02:10 UTC50m
2026-07-21 ZKNJL - Jul 21, 23:10 UTCJul 21, 23:55 UTC45m
2026-07-21 ZKNJL NPE → NPE Jul 21, 21:10 UTCJul 21, 21:50 UTC40m
2026-07-21 ZKNJL - Jul 21, 04:00 UTCJul 21, 04:30 UTC30m
2026-07-20 ZKNJL NPE → NPE Jul 20, 23:55 UTCJul 21, 00:30 UTC35m
2026-07-20 ZKNJL NPE → NPE Jul 20, 22:00 UTCJul 20, 22:35 UTC35m
2026-07-20 ZKNJL NPE → NPE Jul 20, 07:10 UTCJul 20, 08:10 UTC1h 0m
2026-07-20 ZKNJL - Jul 20, 05:50 UTCJul 20, 06:30 UTC40m
2026-07-20 ZKNJL - Jul 20, 04:15 UTCJul 20, 04:35 UTC20m
2026-07-20 ZKNJL - Jul 20, 01:40 UTCJul 20, 02:15 UTC35m
2026-07-20 ZKNJL - Jul 20, 00:30 UTCJul 20, 00:50 UTC20m
2026-07-19 ZKNJL - Jul 19, 22:50 UTCJul 19, 23:25 UTC35m
2026-07-19 ZKNJL NPE → NPE Jul 19, 20:55 UTCJul 19, 21:30 UTC35m
2026-07-18 ZKNJL - Jul 18, 02:35 UTCJul 18, 02:55 UTC21m
2026-07-17 ZKNJL - Jul 17, 21:25 UTCJul 17, 22:00 UTC35m
2026-07-17 ZKNJL NPE → NPE Jul 17, 01:39 UTCJul 17, 04:44 UTC3h 5m
2026-07-16 ZKNJL - Jul 16, 23:25 UTCJul 16, 23:44 UTC20m
2026-07-16 ZKNJL - Jul 16, 21:45 UTCJul 16, 22:05 UTC20m
2026-07-16 ZKNJL - Jul 16, 06:25 UTCJul 16, 07:00 UTC35m
2026-07-16 ZKNJL - Jul 16, 03:30 UTCJul 16, 04:20 UTC50m
2026-07-15 ZKNJL - Jul 15, 23:55 UTCJul 16, 01:20 UTC1h 25m
2026-07-15 ZKNJL - Jul 15, 21:20 UTCJul 15, 21:45 UTC25m
2026-07-15 ZKNJL NPE → NPE Jul 15, 02:50 UTCJul 15, 04:45 UTC1h 55m
2026-07-15 ZKNJL - Jul 15, 00:45 UTCJul 15, 01:55 UTC1h 10m
2026-07-14 ZKNJL - Jul 14, 21:25 UTCJul 14, 21:50 UTC25m
2026-07-07 ZKNJL - Jul 7, 23:10 UTCJul 7, 23:50 UTC40m
2026-07-07 ZKNJL - Jul 7, 21:45 UTCJul 7, 22:20 UTC35m
2026-07-06 ZKNJL NPE → NPE Jul 6, 23:30 UTCJul 7, 00:00 UTC30m
2026-07-04 ZKNJL - Jul 4, 01:25 UTCJul 4, 03:50 UTC2h 25m
2026-07-03 ZKNJL - Jul 3, 21:50 UTCJul 3, 22:20 UTC30m
2026-07-03 ZKNJL - Jul 3, 06:00 UTCJul 3, 06:35 UTC35m
2026-07-03 ZKNJL - Jul 3, 03:35 UTCJul 3, 04:05 UTC30m
2026-07-03 ZKNJL - Jul 3, 02:35 UTCJul 3, 03:00 UTC25m
2026-07-02 ZKNJL - Jul 2, 23:55 UTCJul 3, 01:15 UTC1h 20m
2026-07-02 ZKNJL - Jul 2, 23:30 UTCJul 2, 23:50 UTC20m
2026-07-02 ZKNJL - Jul 2, 22:30 UTCJul 2, 22:45 UTC15m
2026-07-02 ZKNJL - Jul 2, 03:10 UTCJul 2, 04:45 UTC1h 35m
2026-07-02 ZKNJL - Jul 2, 02:20 UTCJul 2, 02:35 UTC15m
2026-07-02 ZKNJL - Jul 2, 00:20 UTCJul 2, 00:50 UTC30m
2026-07-01 ZKNJL - Jul 1, 21:55 UTCJul 1, 23:45 UTC1h 50m
2026-07-01 ZKNJL - Jul 1, 05:45 UTCJul 1, 06:35 UTC50m
2026-07-01 ZKNJL - Jul 1, 03:00 UTCJul 1, 04:35 UTC1h 35m
2026-07-01 ZKNJL - Jul 1, 01:30 UTCJul 1, 02:45 UTC1h 15m

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.

Mode-S C8398F frequently asked

What is Mode-S code C8398F?
C8398F is an ICAO 24-bit transponder address. Allocated to New Zealand.
Where is Mode-S C8398F registered?
Mode-S code C8398F 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 C8398F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C8398F, octal 62034617, decimal 13,121,935.
What flights does C8398F operate?
Mode-S C8398F has broadcast 1 distinct callsign, including ZKNJL.