Apparatus

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sensors Mode-S transponder

AA1090

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N748DC · CIRRUS SR-22T Turbo · operated by HORIZON PRODUCTS LLC

Hex
AA1090
Octal
52410220
Decimal
11,145,360
Country
US
Tail
N748DC
Type
S22T
No current signal · last broadcast 3d ago
Flights observed
76
Distinct callsigns
1
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S AA1090.

Country allocation

The ICAO 24-bit address AA1090 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
N748DC - 76 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 N748DC - Jul 23, 22:05 UTCJul 23, 22:15 UTC10m
2026-07-23 N748DC - Jul 23, 20:35 UTCJul 23, 20:45 UTC10m
2026-07-19 N748DC - Jul 19, 23:45 UTCJul 20, 01:05 UTC1h 20m
2026-07-17 N748DC - Jul 17, 17:40 UTCJul 17, 18:10 UTC30m
2026-07-17 N748DC - Jul 17, 16:49 UTCJul 17, 17:09 UTC20m
2026-07-09 N748DC VGT → VGT Jul 9, 14:20 UTCJul 9, 15:00 UTC40m
2026-07-08 N748DC - Jul 8, 22:40 UTCJul 8, 22:50 UTC10m
2026-07-08 N748DC - Jul 8, 21:10 UTCJul 8, 21:25 UTC15m
2026-07-08 N748DC - Jul 8, 18:00 UTCJul 8, 18:15 UTC15m
2026-07-08 N748DC - Jul 8, 16:35 UTCJul 8, 16:55 UTC20m
2026-07-01 N748DC - Jul 1, 01:15 UTCJul 1, 01:25 UTC10m
2026-06-30 N748DC - Jun 30, 23:45 UTCJul 1, 00:00 UTC15m
2026-06-30 N748DC - Jun 30, 22:50 UTCJun 30, 23:00 UTC10m
2026-06-30 N748DC - Jun 30, 21:15 UTCJun 30, 21:35 UTC20m
2026-06-29 N748DC VGT → VGT Jun 29, 17:34 UTCJun 29, 19:05 UTC1h 30m
2026-06-27 N748DC - Jun 27, 17:29 UTCJun 27, 18:09 UTC40m
2026-06-27 N748DC - Jun 27, 15:39 UTCJun 27, 16:24 UTC45m
2026-06-27 N748DC - Jun 27, 13:35 UTCJun 27, 14:05 UTC30m
2026-06-27 N748DC - Jun 27, 12:04 UTCJun 27, 12:39 UTC35m
2026-06-25 N748DC - Jun 25, 15:15 UTCJun 25, 15:44 UTC30m
2026-06-25 N748DC - Jun 25, 13:45 UTCJun 25, 14:20 UTC35m
2026-06-25 N748DC - Jun 25, 12:10 UTCJun 25, 12:40 UTC30m
2026-06-25 N748DC - Jun 25, 02:14 UTCJun 25, 02:49 UTC35m
2026-06-23 N748DC - Jun 23, 23:50 UTCJun 24, 00:30 UTC40m
2026-06-23 N748DC - Jun 23, 22:15 UTCJun 23, 22:55 UTC40m
2026-06-23 N748DC - Jun 23, 20:59 UTCJun 23, 21:34 UTC35m
2026-06-23 N748DC - Jun 23, 19:34 UTCJun 23, 20:04 UTC30m
2026-06-21 N748DC VGT → VGT Jun 21, 17:05 UTCJun 21, 20:34 UTC3h 30m
2026-06-19 N748DC - Jun 19, 01:54 UTCJun 19, 03:24 UTC1h 30m
2026-06-18 N748DC VGT → MYF Jun 18, 23:40 UTCJun 19, 01:19 UTC1h 39m
2026-06-18 N748DC - Jun 18, 13:40 UTCJun 18, 16:25 UTC2h 45m
2026-06-18 N748DC - Jun 18, 12:45 UTCJun 18, 13:00 UTC15m
2026-06-15 N748DC - Jun 15, 03:10 UTCJun 15, 03:19 UTC10m
2026-06-15 N748DC - Jun 15, 01:40 UTCJun 15, 01:50 UTC10m
2026-06-12 N748DC - Jun 12, 00:10 UTCJun 12, 00:25 UTC15m
2026-06-11 N748DC - Jun 11, 22:35 UTCJun 11, 22:55 UTC20m
2026-06-01 N748DC - Jun 1, 23:10 UTCJun 1, 23:30 UTC20m
2026-06-01 N748DC - Jun 1, 22:15 UTCJun 1, 22:40 UTC25m
2026-06-01 N748DC - Jun 1, 16:40 UTCJun 1, 18:30 UTC1h 50m
2026-06-01 N748DC - Jun 1, 15:40 UTCJun 1, 16:05 UTC25m
2026-05-30 N748DC - May 30, 18:35 UTCMay 30, 20:05 UTC1h 30m
2026-05-27 N748DC VGT → MYF May 27, 16:15 UTCMay 27, 18:05 UTC1h 50m
2026-05-25 N748DC SEE → VGT May 25, 23:04 UTCMay 26, 00:35 UTC1h 30m
2026-05-25 N748DC - May 25, 18:30 UTCMay 25, 21:09 UTC2h 40m
2026-05-24 N748DC - May 24, 16:55 UTCMay 24, 17:10 UTC15m
2026-05-24 N748DC - May 24, 16:10 UTCMay 24, 16:25 UTC15m
2026-05-24 N748DC - May 24, 14:40 UTCMay 24, 14:55 UTC15m
2026-05-21 N748DC - May 21, 21:00 UTCMay 21, 21:15 UTC15m
2026-05-21 N748DC - May 21, 19:25 UTCMay 21, 19:45 UTC20m
2026-05-17 N748DC VGT → VGT May 17, 02:10 UTCMay 17, 05:30 UTC3h 20m

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 N748DC page for operator, model, and routing details .

Mode-S AA1090 frequently asked

What is Mode-S code AA1090?
AA1090 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N748DC.
Where is Mode-S AA1090 registered?
Mode-S code AA1090 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 AA1090 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA1090, octal 52410220, decimal 11,145,360.
What flights does AA1090 operate?
Mode-S AA1090 has broadcast 1 distinct callsign, including N748DC.