sensors Mode-S transponder

AB3CDD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N823JW · NORTH AMERICAN ROCKWELL Commander 112/114 · operated by ELLIS JEFFREY MARK

Hex
AB3CDD
Octal
52636335
Decimal
11,222,237
Country
US
Tail
N823JW
Type
AC11
No current signal · last broadcast 3h ago
Flights observed
34
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AB3CDD.

Country allocation

The ICAO 24-bit address AB3CDD 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
N823JW - 34 2026-07-14

Recent flights last 34

DateFlightRouteTakeoffLandingDuration
2026-07-14 N823JW KOA → KOA Jul 14, 18:50 UTCJul 14, 19:00 UTC10m
2026-07-14 N823JW - Jul 14, 17:55 UTCJul 14, 18:00 UTC5m
2026-07-13 N823JW - Jul 13, 18:00 UTCJul 13, 18:05 UTC5m
2026-07-05 N823JW - Jul 5, 16:15 UTCJul 5, 16:25 UTC10m
2026-06-30 N823JW - Jun 30, 17:30 UTCJun 30, 17:35 UTC5m
2026-06-30 N823JW - Jun 30, 16:15 UTCJun 30, 16:25 UTC10m
2026-06-28 N823JW - Jun 28, 16:39 UTCJun 28, 16:45 UTC5m
2026-06-21 N823JW - Jun 21, 16:49 UTCJun 21, 16:54 UTC5m
2026-06-21 N823JW - Jun 21, 15:59 UTCJun 21, 16:04 UTC5m
2026-06-14 N823JW - Jun 14, 16:25 UTCJun 14, 16:30 UTC5m
2026-05-24 N823JW KOA → KOA May 24, 04:25 UTCMay 24, 05:05 UTC40m
2026-05-24 N823JW KOA → KOA May 24, 04:10 UTCMay 24, 04:15 UTC5m
2026-05-19 N823JW - May 19, 17:25 UTCMay 19, 17:30 UTC5m
2026-05-19 N823JW - May 19, 16:05 UTCMay 19, 16:15 UTC10m
2026-05-18 N823JW - May 18, 16:15 UTCMay 18, 16:25 UTC10m
2026-05-17 N823JW - May 17, 17:40 UTCMay 17, 17:45 UTC5m
2026-05-17 N823JW - May 17, 16:50 UTCMay 17, 16:55 UTC5m
2026-05-12 N823JW KOA → KOA May 12, 16:25 UTCMay 12, 17:00 UTC35m
2026-05-11 N823JW - May 11, 18:10 UTCMay 11, 18:15 UTC5m
2026-05-11 N823JW - May 11, 17:10 UTCMay 11, 17:15 UTC5m
2026-05-10 N823JW - May 10, 18:20 UTCMay 10, 18:29 UTC10m
2026-05-10 N823JW - May 10, 17:15 UTCMay 10, 17:25 UTC10m
2026-05-04 N823JW KOA → KOA May 4, 15:35 UTCMay 4, 16:05 UTC30m
2026-05-03 N823JW - May 3, 16:15 UTCMay 3, 16:20 UTC5m
2026-04-28 N823JW - Apr 28, 17:05 UTCApr 28, 17:10 UTC5m
2026-04-28 N823JW - Apr 28, 16:20 UTCApr 28, 16:30 UTC10m
2026-04-26 N823JW - Apr 26, 17:15 UTCApr 26, 17:20 UTC5m
2026-04-26 N823JW - Apr 26, 16:25 UTCApr 26, 16:35 UTC10m
2026-04-19 N823JW - Apr 19, 17:30 UTCApr 19, 17:40 UTC10m
2026-04-19 N823JW - Apr 19, 16:35 UTCApr 19, 16:40 UTC5m
2026-04-14 N823JW - Apr 14, 17:50 UTCApr 14, 17:55 UTC5m
2026-04-14 N823JW - Apr 14, 17:00 UTCApr 14, 17:10 UTC10m
2026-04-12 N823JW KOA → KOA Apr 12, 19:35 UTCApr 12, 19:40 UTC5m
2026-04-12 N823JW - Apr 12, 18:05 UTCApr 12, 18:10 UTC5m

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 N823JW page for operator, model, and routing details .

Mode-S AB3CDD frequently asked

What is Mode-S code AB3CDD?
AB3CDD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N823JW.
Where is Mode-S AB3CDD registered?
Mode-S code AB3CDD 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 AB3CDD broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB3CDD, octal 52636335, decimal 11,222,237.
What flights does AB3CDD operate?
Mode-S AB3CDD has broadcast 1 distinct callsign, including N823JW.