Apparatus

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sensors Mode-S transponder

C816D6

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-TZL · ROBIN HR-200

Hex
C816D6
Octal
62013326
Decimal
13,113,046
Country
NZ
Tail
ZK-TZL
Type
HR20
Broadcasting now · callsign ZKTZL · -100 ft
Flights observed
226
Distinct callsigns
1
Country
NZ
Last broadcast
57m ago

Current position

C816D6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address C816D6 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
ZKTZL - 226 2026-06-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-10 ZKTZL - Jun 10, 00:10 UTCJun 10, 01:00 UTC50m
2026-06-09 ZKTZL - Jun 9, 22:35 UTCJun 9, 23:30 UTC55m
2026-06-09 ZKTZL - Jun 9, 19:25 UTCJun 9, 19:50 UTC25m
2026-06-09 ZKTZL - Jun 9, 04:40 UTCJun 9, 04:50 UTC10m
2026-06-09 ZKTZL - Jun 9, 00:30 UTCJun 9, 01:20 UTC50m
2026-06-08 ZKTZL - Jun 8, 21:40 UTCJun 8, 23:45 UTC2h 5m
2026-06-08 ZKTZL - Jun 8, 04:15 UTCJun 8, 04:25 UTC10m
2026-06-07 ZKTZL - Jun 7, 22:40 UTCJun 7, 23:10 UTC30m
2026-06-07 ZKTZL - Jun 7, 03:30 UTCJun 7, 04:15 UTC45m
2026-06-07 ZKTZL - Jun 7, 01:55 UTCJun 7, 02:14 UTC20m
2026-06-06 ZKTZL - Jun 6, 23:39 UTCJun 7, 00:25 UTC45m
2026-06-06 ZKTZL - Jun 6, 21:09 UTCJun 6, 21:40 UTC30m
2026-06-06 ZKTZL - Jun 6, 04:10 UTCJun 6, 04:35 UTC25m
2026-06-06 ZKTZL - Jun 6, 02:20 UTCJun 6, 02:55 UTC35m
2026-06-05 ZKTZL - Jun 5, 00:20 UTCJun 5, 00:30 UTC10m
2026-06-04 ZKTZL - Jun 4, 21:15 UTCJun 4, 21:50 UTC35m
2026-06-04 ZKTZL - Jun 4, 06:30 UTCJun 4, 07:25 UTC55m
2026-06-04 ZKTZL - Jun 4, 04:35 UTCJun 4, 05:05 UTC30m
2026-06-03 ZKTZL - Jun 3, 23:40 UTCJun 4, 00:40 UTC1h 0m
2026-06-03 ZKTZL - Jun 3, 21:00 UTCJun 3, 21:30 UTC30m
2026-06-03 ZKTZL - Jun 3, 19:35 UTCJun 3, 20:10 UTC35m
2026-06-03 ZKTZL - Jun 3, 06:00 UTCJun 3, 07:00 UTC1h 0m
2026-06-03 ZKTZL - Jun 3, 04:20 UTCJun 3, 05:00 UTC40m
2026-06-03 ZKTZL - Jun 3, 02:00 UTCJun 3, 02:35 UTC35m
2026-06-02 ZKTZL - Jun 2, 03:40 UTCJun 2, 05:10 UTC1h 30m
2026-05-30 ZKTZL - May 30, 04:05 UTCMay 30, 04:45 UTC40m
2026-05-30 ZKTZL - May 30, 02:10 UTCMay 30, 03:05 UTC55m
2026-05-30 ZKTZL - May 30, 00:40 UTCMay 30, 01:25 UTC45m
2026-05-29 ZKTZL - May 29, 22:10 UTCMay 29, 22:45 UTC35m
2026-05-29 ZKTZL - May 29, 20:35 UTCMay 29, 21:00 UTC25m
2026-05-29 ZKTZL - May 29, 04:30 UTCMay 29, 05:15 UTC45m
2026-05-29 ZKTZL - May 29, 03:05 UTCMay 29, 03:30 UTC25m
2026-05-29 ZKTZL - May 29, 01:05 UTCMay 29, 01:55 UTC50m
2026-05-28 ZKTZL - May 28, 22:55 UTCMay 28, 23:25 UTC30m
2026-05-28 ZKTZL - May 28, 06:00 UTCMay 28, 06:45 UTC45m
2026-05-28 ZKTZL - May 28, 00:30 UTCMay 28, 01:00 UTC30m
2026-05-27 ZKTZL - May 27, 23:20 UTCMay 27, 23:55 UTC35m
2026-05-27 ZKTZL - May 27, 20:45 UTCMay 27, 22:10 UTC1h 25m
2026-05-27 ZKTZL - May 27, 03:50 UTCMay 27, 04:39 UTC50m
2026-05-27 ZKTZL - May 27, 02:49 UTCMay 27, 03:14 UTC25m
2026-05-26 ZKTZL - May 26, 23:45 UTCMay 27, 01:29 UTC1h 45m
2026-05-26 ZKTZL - May 26, 22:09 UTCMay 26, 22:50 UTC40m
2026-05-26 ZKTZL - May 26, 05:59 UTCMay 26, 06:34 UTC35m
2026-05-26 ZKTZL - May 26, 03:55 UTCMay 26, 04:35 UTC40m
2026-05-26 ZKTZL - May 26, 02:15 UTCMay 26, 02:55 UTC40m
2026-05-26 ZKTZL - May 26, 01:00 UTCMay 26, 01:40 UTC40m
2026-05-25 ZKTZL - May 25, 23:45 UTCMay 26, 00:14 UTC30m
2026-05-25 ZKTZL - May 25, 21:54 UTCMay 25, 22:40 UTC45m
2026-05-25 ZKTZL - May 25, 20:50 UTCMay 25, 21:24 UTC35m
2026-05-25 ZKTZL - May 25, 02:30 UTCMay 25, 03:35 UTC1h 5m

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

Mode-S C816D6 frequently asked

What is Mode-S code C816D6?
C816D6 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-TZL.
Where is Mode-S C816D6 registered?
Mode-S code C816D6 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 C816D6 broadcasting right now?
Yes. Mode-S C816D6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C816D6, octal 62013326, decimal 13,113,046.
What flights does C816D6 operate?
Mode-S C816D6 has broadcast 1 distinct callsign, including ZKTZL.