Apparatus

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sensors Mode-S transponder

A2DD14

ICAO 24-bit transponder address · allocated to United States

Hex
A2DD14
Octal
50556424
Decimal
10,673,428
Country
US
No current signal · last broadcast 1d ago
Flights observed
57
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A2DD14.

Country allocation

The ICAO 24-bit address A2DD14 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
N284CL - 57 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-08 N284CL - Jul 8, 18:10 UTCJul 8, 18:50 UTC40m
2026-07-08 N284CL - Jul 8, 17:10 UTCJul 8, 17:30 UTC20m
2026-07-04 N284CL - Jul 4, 11:50 UTCJul 4, 12:45 UTC55m
2026-07-03 N284CL - Jul 3, 16:40 UTCJul 3, 17:05 UTC25m
2026-07-03 N284CL - Jul 3, 15:20 UTCJul 3, 15:40 UTC20m
2026-06-30 N284CL - Jun 30, 21:50 UTCJun 30, 22:00 UTC10m
2026-06-30 N284CL - Jun 30, 20:55 UTCJun 30, 21:05 UTC10m
2026-06-28 N284CL - Jun 28, 12:09 UTCJun 28, 13:10 UTC1h 0m
2026-06-27 N284CL - Jun 27, 16:04 UTCJun 27, 16:20 UTC15m
2026-06-27 N284CL - Jun 27, 15:05 UTCJun 27, 15:14 UTC10m
2026-06-26 N284CL - Jun 26, 15:10 UTCJun 26, 16:30 UTC1h 20m
2026-06-25 N284CL - Jun 25, 17:34 UTCJun 25, 18:59 UTC1h 25m
2026-06-24 N284CL - Jun 24, 19:29 UTCJun 24, 20:09 UTC40m
2026-06-24 N284CL - Jun 24, 18:34 UTCJun 24, 18:44 UTC10m
2026-06-20 N284CL - Jun 20, 14:44 UTCJun 20, 15:14 UTC30m
2026-06-16 N284CL - Jun 16, 14:55 UTCJun 16, 15:05 UTC10m
2026-06-16 N284CL - Jun 16, 13:19 UTCJun 16, 13:30 UTC10m
2026-06-15 N284CL - Jun 15, 18:25 UTCJun 15, 18:55 UTC30m
2026-06-15 N284CL - Jun 15, 17:40 UTCJun 15, 17:54 UTC15m
2026-06-14 N284CL - Jun 14, 12:45 UTCJun 14, 12:55 UTC10m
2026-06-13 N284CL - Jun 13, 11:35 UTCJun 13, 12:00 UTC25m
2026-06-11 N284CL - Jun 11, 18:10 UTCJun 11, 19:15 UTC1h 5m
2026-06-10 N284CL - Jun 10, 13:30 UTCJun 10, 14:10 UTC40m
2026-06-10 N284CL - Jun 10, 12:15 UTCJun 10, 12:35 UTC20m
2026-06-08 N284CL - Jun 8, 19:10 UTCJun 8, 19:25 UTC15m
2026-06-04 N284CL - Jun 4, 13:05 UTCJun 4, 13:45 UTC40m
2026-06-02 N284CL - Jun 2, 15:05 UTCJun 2, 15:15 UTC10m
2026-05-29 N284CL - May 29, 14:15 UTCMay 29, 14:25 UTC10m
2026-05-29 N284CL - May 29, 13:00 UTCMay 29, 13:35 UTC35m
2026-05-19 N284CL - May 19, 13:20 UTCMay 19, 14:00 UTC40m
2026-05-16 N284CL - May 16, 13:51 UTCMay 16, 14:51 UTC1h 0m
2026-05-15 N284CL - May 15, 19:30 UTCMay 15, 20:10 UTC40m
2026-05-15 N284CL - May 15, 13:20 UTCMay 15, 13:55 UTC35m
2026-05-08 N284CL - May 8, 18:30 UTCMay 8, 20:50 UTC2h 20m
2026-05-07 N284CL - May 7, 20:15 UTCMay 7, 20:55 UTC40m
2026-05-07 N284CL - May 7, 18:10 UTCMay 7, 19:20 UTC1h 10m
2026-05-05 N284CL - May 5, 14:05 UTCMay 5, 14:15 UTC10m
2026-05-05 N284CL - May 5, 12:20 UTCMay 5, 12:30 UTC10m
2026-05-03 N284CL - May 3, 12:00 UTCMay 3, 12:15 UTC15m
2026-05-01 N284CL - May 1, 12:10 UTCMay 1, 13:25 UTC1h 15m
2026-04-27 N284CL - Apr 27, 13:50 UTCApr 27, 14:05 UTC15m
2026-04-27 N284CL - Apr 27, 12:45 UTCApr 27, 13:00 UTC15m
2026-04-25 N284CL - Apr 25, 15:00 UTCApr 25, 15:15 UTC15m
2026-04-25 N284CL - Apr 25, 14:00 UTCApr 25, 14:15 UTC15m
2026-04-24 N284CL - Apr 24, 18:35 UTCApr 24, 18:45 UTC10m
2026-04-24 N284CL - Apr 24, 17:25 UTCApr 24, 17:40 UTC15m
2026-04-24 N284CL - Apr 24, 13:45 UTCApr 24, 13:55 UTC10m
2026-04-24 N284CL - Apr 24, 12:15 UTCApr 24, 12:55 UTC40m
2026-04-23 N284CL - Apr 23, 11:45 UTCApr 23, 12:30 UTC45m
2026-04-18 N284CL - Apr 18, 13:35 UTCApr 18, 13:45 UTC10m

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.

Mode-S A2DD14 frequently asked

What is Mode-S code A2DD14?
A2DD14 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A2DD14 registered?
Mode-S code A2DD14 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 A2DD14 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2DD14, octal 50556424, decimal 10,673,428.
What flights does A2DD14 operate?
Mode-S A2DD14 has broadcast 1 distinct callsign, including N284CL.