Apparatus

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sensors Mode-S transponder

0A8020

ICAO 24-bit transponder address · allocated to Bahamas

Currently assigned to C6-ACS · CESSNA 208 Caravan

Hex
0A8020
Octal
02500040
Decimal
688,160
Country
BS
Tail
C6-ACS
Type
C208
No current signal · last broadcast 10h ago
Flights observed
144
Distinct callsigns
20
Country
BS
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 0A8020.

Country allocation

The ICAO 24-bit address 0A8020 falls within the block assigned to Bahamas (BS) by ICAO Annex 10, Volume III. Every aircraft registered in Bahamas 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
FSS118 - 6 2026-07-14
FSS135 - 5 2026-06-25
FSS122 - 5 2026-07-15
FSS121 - 5 2026-07-15
FSS133 - 4 2026-06-22
FSS126 - 4 2026-07-17
FSS125 - 4 2026-07-17
FSS124 - 4 2026-07-16
FSS123 - 4 2026-07-16
FSS120 - 4 2026-07-14
FSS117 - 4 2026-07-14
FSS116 - 4 2026-07-13
FSS143 - 3 2026-06-30
FSS140 - 3 2026-06-27
FSS139 - 3 2026-06-27
FSS138 - 3 2026-06-26
FSS137 - 3 2026-06-26
FSS132 - 3 2026-06-20
FSS131 - 3 2026-06-20
FSS130 - 3 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 FSS126 - Jul 17, 16:10 UTCJul 17, 16:44 UTC35m
2026-07-17 FSS125 - Jul 17, 13:50 UTCJul 17, 14:04 UTC15m
2026-07-16 FSS124 - Jul 16, 20:49 UTCJul 16, 21:15 UTC25m
2026-07-16 FSS123 - Jul 16, 19:10 UTCJul 16, 19:40 UTC30m
2026-07-15 FSS122 - Jul 15, 16:50 UTCJul 15, 17:15 UTC25m
2026-07-15 FSS121 - Jul 15, 13:40 UTCJul 15, 14:50 UTC1h 10m
2026-07-14 FSS120 - Jul 14, 20:10 UTCJul 14, 20:40 UTC30m
2026-07-14 FSS119 - Jul 14, 18:35 UTCJul 14, 19:00 UTC25m
2026-07-14 FSS118 - Jul 14, 16:10 UTCJul 14, 16:40 UTC30m
2026-07-14 FSS117 - Jul 14, 14:00 UTCJul 14, 14:35 UTC35m
2026-07-13 FSS116 - Jul 13, 16:10 UTCJul 13, 16:40 UTC30m
2026-07-13 FSS115 - Jul 13, 13:40 UTCJul 13, 14:05 UTC25m
2026-07-12 FSS114 - Jul 12, 19:01 UTCJul 12, 19:25 UTC25m
2026-07-12 FSS113 - Jul 12, 14:05 UTCJul 12, 14:30 UTC25m
2026-07-10 FSS112 - Jul 10, 15:10 UTCJul 10, 15:35 UTC25m
2026-07-10 FSS111 - Jul 10, 13:30 UTCJul 10, 13:55 UTC25m
2026-07-09 FSS110 - Jul 9, 18:40 UTCJul 9, 19:10 UTC30m
2026-07-09 FSS109 - Jul 9, 13:10 UTCJul 9, 14:55 UTC1h 45m
2026-07-07 FSS108 - Jul 7, 19:20 UTCJul 7, 19:50 UTC30m
2026-07-07 FSS107 - Jul 7, 17:25 UTCJul 7, 17:50 UTC25m
2026-07-05 FSS106 - Jul 5, 20:10 UTCJul 5, 20:40 UTC30m
2026-07-05 FSS105 - Jul 5, 13:40 UTCJul 5, 14:05 UTC25m
2026-07-03 FSS104 - Jul 3, 16:20 UTCJul 3, 16:40 UTC20m
2026-07-03 FSS103 - Jul 3, 13:45 UTCJul 3, 14:15 UTC30m
2026-07-02 FSS102 - Jul 2, 15:55 UTCJul 2, 16:35 UTC40m
2026-07-02 FSS101 - Jul 2, 13:30 UTCJul 2, 14:05 UTC35m
2026-06-30 FSS144 - Jun 30, 18:40 UTCJun 30, 19:15 UTC35m
2026-06-30 FSS143 - Jun 30, 13:15 UTCJun 30, 14:10 UTC55m
2026-06-29 FSS142 - Jun 29, 15:45 UTCJun 29, 16:25 UTC40m
2026-06-29 FSS141 - Jun 29, 13:39 UTCJun 29, 14:25 UTC45m
2026-06-27 FSS140 - Jun 27, 19:15 UTCJun 27, 19:49 UTC35m
2026-06-27 FSS139 - Jun 27, 13:35 UTCJun 27, 14:09 UTC35m
2026-06-26 FSS138 - Jun 26, 16:20 UTCJun 26, 16:54 UTC35m
2026-06-26 FSS137 - Jun 26, 13:24 UTCJun 26, 14:05 UTC40m
2026-06-25 FSS135 - Jun 25, 19:34 UTCJun 25, 20:09 UTC35m
2026-06-25 FSS135 - Jun 25, 18:39 UTCJun 25, 18:50 UTC10m
2026-06-25 FSS135 - Jun 25, 13:20 UTCJun 25, 14:44 UTC1h 25m
2026-06-24 FSS134 - Jun 24, 10:35 UTCJun 24, 11:14 UTC40m
2026-06-23 C6ACS - Jun 23, 20:40 UTCJun 23, 20:49 UTC10m
2026-06-22 FSS133 - Jun 22, 20:00 UTCJun 22, 20:34 UTC35m
2026-06-20 FSS132 - Jun 20, 17:14 UTCJun 20, 17:49 UTC35m
2026-06-20 FSS131 - Jun 20, 13:34 UTCJun 20, 14:09 UTC35m
2026-06-19 FSS130 - Jun 19, 16:19 UTCJun 19, 17:04 UTC45m
2026-06-19 FSS129 - Jun 19, 13:04 UTCJun 19, 13:44 UTC40m
2026-06-18 FSS128 - Jun 18, 16:30 UTCJun 18, 17:10 UTC40m
2026-06-18 FSS127 - Jun 18, 13:20 UTCJun 18, 14:05 UTC45m
2026-06-17 FSS126 - Jun 17, 16:05 UTCJun 17, 16:40 UTC35m
2026-06-17 FSS125 - Jun 17, 13:20 UTCJun 17, 14:10 UTC50m
2026-06-16 FSS124 - Jun 16, 19:45 UTCJun 16, 20:30 UTC46m
2026-06-16 FSS123 - Jun 16, 17:59 UTCJun 16, 18:50 UTC50m

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 C6-ACS page for operator, model, and routing details .

Mode-S 0A8020 frequently asked

What is Mode-S code 0A8020?
0A8020 is an ICAO 24-bit transponder address. Allocated to Bahamas. Assigned to C6-ACS.
Where is Mode-S 0A8020 registered?
Mode-S code 0A8020 is allocated to Bahamas (BS). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0A8020 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0A8020, octal 02500040, decimal 688,160.
What flights does 0A8020 operate?
Mode-S 0A8020 has broadcast 20 distinct callsigns, including FSS118, FSS135, FSS122, FSS121, FSS133.