Apparatus

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sensors Mode-S transponder

C82817

ICAO 24-bit transponder address · allocated to New Zealand

Currently assigned to ZK-MCS · CESSNA 208 Caravan

Hex
C82817
Octal
62024027
Decimal
13,117,463
Country
NZ
Tail
ZK-MCS
Type
C208
No current signal · last broadcast 6h ago
Flights observed
165
Distinct callsigns
20
Country
NZ
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S C82817.

Country allocation

The ICAO 24-bit address C82817 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
GBA619 - 11 2026-05-29
GBA110 Gulf Air Bahrain 11 2026-05-29
GBA109 Gulf Air Bahrain 11 2026-05-29
GBA103 Gulf Air Bahrain 10 2026-05-29
GBA706 - 9 2026-05-29
GBA612 - 9 2026-05-27
GBA101 Gulf Air Bahrain 9 2026-05-26
GBA102 Gulf Air Bahrain 8 2026-05-26
GBA515 - 6 2026-05-28
GBA510 Gulf Air Bahrain 5 2026-05-30
GBA509 Gulf Air Bahrain 5 2026-05-30
GBA264 - 5 2026-05-28
GBA108 - 5 2026-05-29
GBA107 - 5 2026-05-29
GBA504 Gulf Air Bahrain 4 2026-05-28
GBA449 - 4 2026-05-22
GBA594 - 3 2026-05-15
GBA593 - 3 2026-05-15
GBA450 - 3 2026-05-22
GBA265 - 3 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 GBA510 BAH → DXB May 30, 02:00 UTCMay 30, 02:30 UTC30m
2026-05-30 GBA509 DXB → BAH May 30, 00:25 UTCMay 30, 00:55 UTC30m
2026-05-29 GBA104 DMM → BAH May 29, 23:05 UTCMay 29, 23:25 UTC20m
2026-05-29 GBA103 BAH → DMM May 29, 22:05 UTCMay 29, 22:20 UTC15m
2026-05-29 GBA620 - May 29, 07:55 UTCMay 29, 08:15 UTC20m
2026-05-29 GBA619 - May 29, 06:05 UTCMay 29, 06:30 UTC25m
2026-05-29 GBA110 DMM → BAH May 29, 05:00 UTCMay 29, 05:15 UTC15m
2026-05-29 GBA109 BAH → DMM May 29, 03:55 UTCMay 29, 04:10 UTC15m
2026-05-29 GBA108 - May 29, 03:05 UTCMay 29, 03:15 UTC10m
2026-05-29 GBA107 - May 29, 02:00 UTCMay 29, 02:15 UTC15m
2026-05-29 GBA706 - May 29, 01:05 UTCMay 29, 01:20 UTC15m
2026-05-28 GBA265 - May 28, 23:55 UTCMay 29, 00:10 UTC15m
2026-05-28 GBA264 - May 28, 23:00 UTCMay 28, 23:15 UTC15m
2026-05-28 GBA103 BAH → DMM May 28, 22:00 UTCMay 28, 22:15 UTC15m
2026-05-28 GBA748 - May 28, 21:05 UTCMay 28, 21:20 UTC15m
2026-05-28 GBA747 - May 28, 20:00 UTCMay 28, 20:15 UTC15m
2026-05-28 GBA504 BAH → DXB May 28, 18:40 UTCMay 28, 19:05 UTC25m
2026-05-28 GBA515 - May 28, 05:40 UTCMay 28, 06:05 UTC25m
2026-05-27 GBA612 - May 27, 19:25 UTCMay 27, 19:55 UTC30m
2026-05-27 GBA619 - May 27, 06:15 UTCMay 27, 06:40 UTC25m
2026-05-27 GBA110 DMM → BAH May 27, 04:49 UTCMay 27, 05:14 UTC25m
2026-05-27 GBA109 BAH → DMM May 27, 03:54 UTCMay 27, 04:09 UTC15m
2026-05-27 GBA706 - May 27, 00:59 UTCMay 27, 01:14 UTC15m
2026-05-26 GBA103 BAH → DMM May 26, 21:59 UTCMay 26, 22:15 UTC15m
2026-05-26 GBA102 DMM → BAH May 26, 21:09 UTCMay 26, 21:25 UTC15m
2026-05-26 GBA101 BAH → DMM May 26, 19:55 UTCMay 26, 20:09 UTC15m
2026-05-26 GBA504 BAH → DXB May 26, 18:34 UTCMay 26, 18:59 UTC25m
2026-05-26 GBA515 - May 26, 05:34 UTCMay 26, 05:59 UTC25m
2026-05-26 GBA714 - May 26, 01:10 UTCMay 26, 01:44 UTC35m
2026-05-25 GBA713 - May 25, 23:19 UTCMay 26, 00:04 UTC45m
2026-05-25 GBA612 - May 25, 19:15 UTCMay 25, 19:44 UTC30m
2026-05-25 GBA619 - May 25, 06:25 UTCMay 25, 06:50 UTC25m
2026-05-25 GBA110 DMM → BAH May 25, 05:15 UTCMay 25, 05:30 UTC15m
2026-05-25 GBA109 BAH → DMM May 25, 04:15 UTCMay 25, 04:30 UTC15m
2026-05-24 GBA264 - May 24, 23:00 UTCMay 24, 23:46 UTC46m
2026-05-24 GBA612 - May 24, 19:15 UTCMay 24, 19:45 UTC30m
2026-05-24 GBA619 - May 24, 06:15 UTCMay 24, 06:45 UTC30m
2026-05-24 GBA110 DMM → BAH May 24, 05:10 UTCMay 24, 05:25 UTC15m
2026-05-24 GBA109 BAH → DMM May 24, 04:05 UTCMay 24, 04:20 UTC15m
2026-05-22 GBA516 - May 22, 07:20 UTCMay 22, 07:45 UTC25m
2026-05-22 GBA515 - May 22, 05:45 UTCMay 22, 06:15 UTC30m
2026-05-22 GBA450 - May 22, 04:35 UTCMay 22, 04:55 UTC20m
2026-05-22 GBA449 - May 22, 03:35 UTCMay 22, 03:55 UTC20m
2026-05-21 GBA504 BAH → DXB May 21, 18:45 UTCMay 21, 19:05 UTC20m
2026-05-21 GBA515 - May 21, 05:40 UTCMay 21, 06:05 UTC25m
2026-05-18 GBA504 BAH → DXB May 18, 18:40 UTCMay 18, 19:10 UTC30m
2026-05-18 GBA515 - May 18, 05:20 UTCMay 18, 05:50 UTC30m
2026-05-18 GBA108 - May 18, 03:20 UTCMay 18, 03:30 UTC10m
2026-05-18 GBA107 - May 18, 02:10 UTCMay 18, 02:25 UTC15m
2026-05-17 GBA102 DMM → BAH May 17, 21:05 UTCMay 17, 21:25 UTC20m

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

Mode-S C82817 frequently asked

What is Mode-S code C82817?
C82817 is an ICAO 24-bit transponder address. Allocated to New Zealand. Assigned to ZK-MCS.
Where is Mode-S C82817 registered?
Mode-S code C82817 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 C82817 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C82817, octal 62024027, decimal 13,117,463.
What flights does C82817 operate?
Mode-S C82817 has broadcast 20 distinct callsigns, including GBA619, GBA110, GBA109, GBA103, GBA706.