Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A105D2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N165SA · CESSNA 404 Titan · operated by SOUTH AERO INC

Hex
A105D2
Octal
50202722
Decimal
10,552,786
Country
US
Tail
N165SA
Type
C404
No current signal · last broadcast Jul 25, 00:55 UTC
Flights observed
113
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 00:55 UTC

Last known position

Most recent position reported by Mode-S A105D2.

Country allocation

The ICAO 24-bit address A105D2 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
SYX165 - 113 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 SYX165 - Jul 25, 00:20 UTCJul 25, 00:55 UTC35m
2026-07-24 SYX165 - Jul 24, 13:30 UTCJul 24, 13:45 UTC15m
2026-07-24 SYX165 - Jul 24, 00:30 UTCJul 24, 00:50 UTC20m
2026-07-23 SYX165 - Jul 23, 13:10 UTCJul 23, 13:35 UTC25m
2026-07-16 SYX165 - Jul 16, 00:20 UTCJul 16, 00:50 UTC30m
2026-07-15 SYX165 - Jul 15, 13:20 UTCJul 15, 13:40 UTC20m
2026-07-11 SYX165 - Jul 11, 22:20 UTCJul 11, 22:45 UTC25m
2026-07-11 SYX165 - Jul 11, 13:20 UTCJul 11, 13:40 UTC20m
2026-07-11 SYX165 - Jul 11, 00:25 UTCJul 11, 00:45 UTC20m
2026-07-10 SYX165 - Jul 10, 13:05 UTCJul 10, 13:30 UTC25m
2026-07-10 SYX165 - Jul 10, 00:15 UTCJul 10, 00:45 UTC30m
2026-07-09 SYX165 - Jul 9, 13:20 UTCJul 9, 13:45 UTC25m
2026-07-09 SYX165 - Jul 9, 00:35 UTCJul 9, 01:00 UTC25m
2026-07-08 SYX165 - Jul 8, 13:00 UTCJul 8, 13:30 UTC30m
2026-07-04 SYX165 - Jul 4, 00:20 UTCJul 4, 00:45 UTC25m
2026-07-03 SYX165 - Jul 3, 12:55 UTCJul 3, 13:15 UTC20m
2026-06-27 SYX165 - Jun 27, 19:49 UTCJun 27, 20:14 UTC25m
2026-06-27 SYX165 - Jun 27, 14:14 UTCJun 27, 14:35 UTC20m
2026-06-25 SYX165 - Jun 25, 23:44 UTCJun 26, 00:39 UTC55m
2026-06-25 SYX165 - Jun 25, 13:14 UTCJun 25, 14:20 UTC1h 5m
2026-06-20 SYX165 - Jun 20, 21:25 UTCJun 20, 21:34 UTC10m
2026-06-20 SYX165 - Jun 20, 12:59 UTCJun 20, 13:09 UTC10m
2026-06-20 SYX165 - Jun 20, 00:04 UTCJun 20, 00:59 UTC55m
2026-06-19 SYX165 - Jun 19, 13:09 UTCJun 19, 14:09 UTC1h 0m
2026-06-18 SYX165 - Jun 18, 20:50 UTCJun 18, 21:10 UTC20m
2026-06-18 SYX165 - Jun 18, 13:30 UTCJun 18, 14:01 UTC30m
2026-06-18 SYX165 - Jun 18, 00:45 UTCJun 18, 01:30 UTC45m
2026-06-17 SYX165 - Jun 17, 13:30 UTCJun 17, 14:00 UTC30m
2026-06-17 SYX165 - Jun 17, 00:35 UTCJun 17, 01:10 UTC35m
2026-06-16 SYX165 - Jun 16, 13:25 UTCJun 16, 13:55 UTC30m
2026-06-16 SYX165 - Jun 16, 00:45 UTCJun 16, 01:19 UTC35m
2026-06-13 SYX165 - Jun 13, 13:40 UTCJun 13, 14:10 UTC30m
2026-06-13 SYX165 - Jun 13, 00:30 UTCJun 13, 01:05 UTC35m
2026-06-12 SYX165 - Jun 12, 13:25 UTCJun 12, 13:55 UTC30m
2026-06-12 SYX165 - Jun 12, 00:30 UTCJun 12, 01:05 UTC35m
2026-06-11 SYX165 - Jun 11, 13:25 UTCJun 11, 13:55 UTC30m
2026-06-11 SYX165 - Jun 11, 00:35 UTCJun 11, 01:10 UTC35m
2026-06-10 SYX165 - Jun 10, 13:15 UTCJun 10, 13:45 UTC30m
2026-06-10 SYX165 - Jun 10, 00:40 UTCJun 10, 01:20 UTC40m
2026-06-09 SYX165 - Jun 9, 13:20 UTCJun 9, 13:45 UTC25m
2026-06-09 SYX165 - Jun 9, 00:40 UTCJun 9, 01:15 UTC35m
2026-06-06 SYX165 - Jun 6, 16:14 UTCJun 6, 16:39 UTC25m
2026-06-06 SYX165 - Jun 6, 00:30 UTCJun 6, 01:05 UTC35m
2026-06-05 SYX165 - Jun 5, 13:25 UTCJun 5, 13:55 UTC30m
2026-06-05 SYX165 - Jun 5, 00:30 UTCJun 5, 02:00 UTC1h 30m
2026-06-04 SYX165 - Jun 4, 13:30 UTCJun 4, 14:05 UTC35m
2026-06-04 SYX165 - Jun 4, 00:30 UTCJun 4, 01:00 UTC30m
2026-06-03 SYX165 - Jun 3, 13:10 UTCJun 3, 13:40 UTC30m
2026-06-03 SYX165 - Jun 3, 00:35 UTCJun 3, 01:15 UTC40m
2026-06-02 SYX165 - Jun 2, 13:10 UTCJun 2, 13:40 UTC30m

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 N165SA page for operator, model, and routing details .

Mode-S A105D2 frequently asked

What is Mode-S code A105D2?
A105D2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N165SA.
Where is Mode-S A105D2 registered?
Mode-S code A105D2 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A105D2 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 00:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A105D2, octal 50202722, decimal 10,552,786.
What flights does A105D2 operate?
Mode-S A105D2 has broadcast 1 distinct callsign, including SYX165.