Apparatus

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sensors Mode-S transponder

0C605A

ICAO 24-bit transponder address · allocated to Saint Kitts and Nevis

Currently assigned to 9Y-TTH · ATR-72-600

Hex
0C605A
Octal
03060132
Decimal
811,098
Country
KN
Tail
9Y-TTH
Type
AT76
No current signal · last broadcast Jul 25, 21:35 UTC
Flights observed
87
Distinct callsigns
20
Country
KN
Last broadcast
Jul 25, 21:35 UTC

Last known position

Most recent position reported by Mode-S 0C605A.

Country allocation

The ICAO 24-bit address 0C605A falls within the block assigned to Saint Kitts and Nevis (KN) by ICAO Annex 10, Volume III. Every aircraft registered in Saint Kitts and Nevis 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
BWA216 Caribbean Airlines 15 2026-07-25
BWA217 Caribbean Airlines 14 2026-07-25
BWA448 Caribbean Airlines 7 2026-07-24
BWA445 Caribbean Airlines 6 2026-07-24
BWA241 Caribbean Airlines 5 2026-07-21
BWA240 Caribbean Airlines 5 2026-07-21
BWA278 Caribbean Airlines 4 2026-07-18
BWA277 Caribbean Airlines 4 2026-07-18
BWA225 - 4 2026-07-14
BWA224 - 4 2026-07-14
BWA279 - 2 2026-07-03
BWA276 - 2 2026-07-03
BWA259 Caribbean Airlines 2 2026-07-22
BWA258 - 2 2026-07-22
BWA223 Caribbean Airlines 2 2026-04-27
BWA222 Caribbean Airlines 2 2026-04-27
BWA283 Caribbean Airlines 1 2026-05-02
BWA282 Caribbean Airlines 1 2026-05-02
BWA269 Caribbean Airlines 1 2026-05-01
BWA268 Caribbean Airlines 1 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 BWA217 BGI → POS Jul 25, 21:00 UTCJul 25, 21:35 UTC35m
2026-07-25 BWA217 BGI → POS Jul 25, 19:30 UTCJul 25, 19:50 UTC20m
2026-07-25 BWA216 BGI → OGL Jul 25, 15:30 UTCJul 25, 15:50 UTC20m
2026-07-25 BWA216 BGI → OGL Jul 25, 14:00 UTCJul 25, 14:35 UTC35m
2026-07-24 BWA217 BGI → POS Jul 24, 21:20 UTCJul 24, 22:05 UTC45m
2026-07-24 BWA217 BGI → POS Jul 24, 20:00 UTCJul 24, 20:15 UTC15m
2026-07-24 BWA216 BGI → OGL Jul 24, 16:00 UTCJul 24, 16:20 UTC20m
2026-07-24 BWA216 BGI → OGL Jul 24, 14:15 UTCJul 24, 14:55 UTC40m
2026-07-24 BWA445 BGI → POS Jul 24, 09:05 UTCJul 24, 09:45 UTC40m
2026-07-24 BWA448 POS → BGI Jul 24, 02:30 UTCJul 24, 03:10 UTC40m
2026-07-22 BWA259 ANU → POS Jul 22, 16:40 UTCJul 22, 17:20 UTC40m
2026-07-22 BWA258 - Jul 22, 13:15 UTCJul 22, 14:05 UTC50m
2026-07-22 BWA448 POS → BGI Jul 22, 03:35 UTCJul 22, 04:10 UTC35m
2026-07-21 BWA241 GND → POS Jul 21, 21:30 UTCJul 21, 22:05 UTC35m
2026-07-21 BWA240 GND → BGI Jul 21, 19:55 UTCJul 21, 20:25 UTC30m
2026-07-19 BWA217 BGI → POS Jul 19, 19:35 UTCJul 19, 20:15 UTC40m
2026-07-19 BWA217 BGI → POS Jul 19, 18:20 UTCJul 19, 18:35 UTC15m
2026-07-19 BWA216 BGI → OGL Jul 19, 14:15 UTCJul 19, 14:35 UTC20m
2026-07-19 BWA216 BGI → OGL Jul 19, 12:45 UTCJul 19, 13:25 UTC40m
2026-07-19 BWA245 SLU → POS Jul 19, 09:25 UTCJul 19, 10:00 UTC35m
2026-07-19 BWA244 POS → SLU Jul 19, 01:20 UTCJul 19, 01:55 UTC35m
2026-07-18 BWA277 BGI → POS Jul 18, 22:25 UTCJul 18, 23:05 UTC40m
2026-07-18 BWA277 BGI → POS Jul 18, 20:55 UTCJul 18, 21:25 UTC30m
2026-07-18 BWA278 BGI → FDF Jul 18, 19:00 UTCJul 18, 19:30 UTC30m
2026-07-18 BWA278 BGI → FDF Jul 18, 17:40 UTCJul 18, 18:15 UTC35m
2026-07-15 BWA238 - Jul 15, 13:45 UTCJul 15, 13:55 UTC10m
2026-07-14 BWA225 - Jul 14, 16:05 UTCJul 14, 16:40 UTC35m
2026-07-14 BWA225 - Jul 14, 14:30 UTCJul 14, 14:55 UTC25m
2026-07-14 BWA224 - Jul 14, 13:05 UTCJul 14, 13:25 UTC20m
2026-07-14 BWA224 - Jul 14, 11:30 UTCJul 14, 12:05 UTC35m
2026-07-03 BWA279 - Jul 3, 22:00 UTCJul 3, 22:40 UTC40m
2026-07-03 BWA276 - Jul 3, 17:55 UTCJul 3, 18:35 UTC40m
2026-06-30 BWA217 - Jun 30, 01:35 UTCJun 30, 02:15 UTC40m
2026-06-30 BWA217 - Jun 30, 00:20 UTCJun 30, 00:35 UTC15m
2026-06-29 BWA216 - Jun 29, 20:15 UTCJun 29, 20:40 UTC25m
2026-06-29 BWA216 - Jun 29, 18:30 UTCJun 29, 19:05 UTC35m
2026-05-04 BWA217 BGI → POS May 4, 22:45 UTCMay 4, 23:20 UTC35m
2026-05-04 BWA217 BGI → POS May 4, 21:25 UTCMay 4, 21:40 UTC15m
2026-05-04 BWA216 BGI → OGL May 4, 17:20 UTCMay 4, 17:40 UTC20m
2026-05-04 BWA216 BGI → OGL May 4, 15:35 UTCMay 4, 16:10 UTC35m
2026-05-04 BWA445 BGI → POS May 4, 09:00 UTCMay 4, 09:40 UTC40m
2026-05-04 BWA448 POS → BGI May 4, 03:24 UTCMay 4, 04:05 UTC40m
2026-05-03 BWA241 GND → POS May 3, 19:50 UTCMay 3, 20:30 UTC40m
2026-05-03 BWA240 GND → BGI May 3, 18:05 UTCMay 3, 18:40 UTC35m
2026-05-03 BWA445 BGI → POS May 3, 09:10 UTCMay 3, 09:45 UTC35m
2026-05-03 BWA448 POS → BGI May 3, 01:50 UTCMay 3, 02:30 UTC40m
2026-05-02 BWA283 SLU → POS May 2, 21:30 UTCMay 2, 22:15 UTC45m
2026-05-02 BWA282 SLU → PTP May 2, 16:25 UTCMay 2, 17:05 UTC40m
2026-05-01 BWA269 SKB → ANU May 1, 22:25 UTCMay 1, 22:45 UTC20m
2026-05-01 BWA268 POS → ANU May 1, 16:15 UTCMay 1, 16:55 UTC40m

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 9Y-TTH page for operator, model, and routing details .

Mode-S 0C605A frequently asked

What is Mode-S code 0C605A?
0C605A is an ICAO 24-bit transponder address. Allocated to Saint Kitts and Nevis. Assigned to 9Y-TTH.
Where is Mode-S 0C605A registered?
Mode-S code 0C605A is allocated to Saint Kitts and Nevis (KN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0C605A broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 21:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0C605A, octal 03060132, decimal 811,098.
What flights does 0C605A operate?
Mode-S 0C605A has broadcast 20 distinct callsigns, including BWA216, BWA217, BWA448, BWA445, BWA241.