Apparatus

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sensors Mode-S transponder

AB4EC6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N828CA · AIRBUS A-330-200 · operated by AC SPE 13 LLC

Hex
AB4EC6
Octal
52647306
Decimal
11,226,822
Country
US
Tail
N828CA
Type
A332
No current signal · last broadcast 2d ago
Flights observed
127
Distinct callsigns
20
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AB4EC6.

Country allocation

The ICAO 24-bit address AB4EC6 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 20 distinct

Callsign Airline Flights Last seen
NCR305 - 8 2026-07-10
CMB574 - 8 2026-06-01
NCR345 - 6 2026-07-04
NCR362 - 5 2026-07-13
CMB506 - 5 2026-07-06
NCR327 - 4 2026-06-27
NCR745 - 3 2026-04-27
NCR341 - 3 2026-06-20
NCR330 - 3 2026-07-01
NCR328 - 3 2026-06-28
NCR311 - 3 2026-07-11
NCR309 - 3 2026-06-10
CMB554 - 3 2026-06-16
CMB504 - 3 2026-07-14
CMB421 - 3 2026-06-19
NCR744 - 2 2026-04-26
NCR714 - 2 2026-07-15
NCR371 - 2 2026-06-02
NCR346 National Air Cargo 2 2026-04-26
NCR344 - 2 2026-04-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 NCR714 - Jul 15, 15:35 UTCJul 16, 00:15 UTC8h 40m
2026-07-15 NCR714 - Jul 15, 06:00 UTCJul 15, 11:25 UTC5h 25m
2026-07-14 CMB504 - Jul 14, 11:15 UTCJul 14, 16:10 UTC4h 55m
2026-07-13 CMB504 - Jul 13, 21:20 UTCJul 14, 06:35 UTC9h 15m
2026-07-13 CMB504 - Jul 13, 15:45 UTCJul 13, 16:40 UTC55m
2026-07-13 NCR362 - Jul 13, 01:45 UTCJul 13, 03:40 UTC1h 55m
2026-07-12 NCR362 - Jul 12, 19:55 UTCJul 12, 23:40 UTC3h 45m
2026-07-12 NCR362 - Jul 12, 18:15 UTCJul 12, 18:30 UTC15m
2026-07-12 NCR362 - Jul 12, 11:01 UTCJul 12, 11:10 UTC10m
2026-07-12 NCR362 - Jul 12, 04:01 UTCJul 12, 09:20 UTC5h 20m
2026-07-11 NCR311 - Jul 11, 16:40 UTCJul 11, 19:50 UTC3h 10m
2026-07-10 NCR306 - Jul 10, 21:40 UTCJul 11, 00:30 UTC2h 50m
2026-07-10 NCR305 MSY → SJC Jul 10, 14:25 UTCJul 10, 18:10 UTC3h 45m
2026-07-09 NCR308 - Jul 9, 18:30 UTCJul 9, 20:40 UTC2h 10m
2026-07-06 CMB506 - Jul 6, 22:00 UTCJul 7, 00:05 UTC2h 5m
2026-07-06 CMB506 BGR → HOP Jul 6, 17:30 UTCJul 6, 20:00 UTC2h 30m
2026-07-06 CMB506 - Jul 6, 07:00 UTCJul 6, 12:45 UTC5h 45m
2026-07-05 CMB506 - Jul 5, 21:15 UTCJul 6, 02:55 UTC5h 40m
2026-07-05 CMB506 - Jul 5, 17:00 UTCJul 5, 17:30 UTC30m
2026-07-04 NCR345 - Jul 4, 19:30 UTCJul 5, 00:15 UTC4h 45m
2026-07-03 NCR345 - Jul 3, 02:10 UTCJul 3, 09:45 UTC7h 35m
2026-07-02 NCR302 - Jul 2, 17:40 UTCJul 2, 21:35 UTC3h 55m
2026-07-02 NCR302 SVN → RIV Jul 2, 01:25 UTCJul 2, 05:50 UTC4h 25m
2026-07-01 NCR301 RIV → SVN Jul 1, 18:35 UTCJul 1, 22:50 UTC4h 15m
2026-07-01 NCR330 SVN → RIV Jul 1, 00:45 UTCJul 1, 05:15 UTC4h 30m
2026-06-30 NCR330 RIV → SVN Jun 30, 17:50 UTCJun 30, 21:45 UTC3h 55m
2026-06-29 NCR330 - Jun 29, 19:05 UTCJun 29, 22:39 UTC3h 35m
2026-06-28 NCR328 - Jun 28, 17:44 UTCJun 28, 20:54 UTC3h 10m
2026-06-27 NCR328 ORF → RIV Jun 27, 19:00 UTCJun 27, 23:55 UTC4h 55m
2026-06-27 NCR327 - Jun 27, 13:49 UTCJun 27, 16:04 UTC2h 15m
2026-06-27 NCR355 - Jun 27, 00:00 UTCJun 27, 01:19 UTC1h 20m
2026-06-26 NCR356 RIV → SVN Jun 26, 17:35 UTCJun 26, 21:35 UTC4h 0m
2026-06-25 NCR325 MCO → RIV Jun 25, 20:14 UTCJun 26, 00:50 UTC4h 35m
2026-06-23 NCR305 - Jun 23, 23:05 UTCJun 24, 00:55 UTC1h 50m
2026-06-23 NCR305 - Jun 23, 16:24 UTCJun 23, 19:55 UTC3h 30m
2026-06-22 NCR305 - Jun 22, 19:14 UTCJun 22, 20:44 UTC1h 30m
2026-06-21 NCR321 - Jun 21, 16:10 UTCJun 21, 19:45 UTC3h 35m
2026-06-21 NCR329 - Jun 21, 03:44 UTCJun 21, 05:54 UTC2h 10m
2026-06-20 NCR341 - Jun 20, 21:55 UTCJun 21, 00:04 UTC2h 10m
2026-06-20 NCR327 MCF → MSY Jun 20, 02:09 UTCJun 20, 03:34 UTC1h 25m
2026-06-19 CMB421 - Jun 19, 22:24 UTCJun 20, 00:14 UTC1h 50m
2026-06-19 CMB421 - Jun 19, 10:14 UTCJun 19, 17:39 UTC7h 25m
2026-06-19 CMB421 - Jun 19, 02:45 UTCJun 19, 06:24 UTC3h 40m
2026-06-17 NCR379 - Jun 17, 22:10 UTCJun 18, 08:20 UTC10h 10m
2026-06-16 CMB554 - Jun 16, 01:50 UTCJun 16, 02:54 UTC1h 5m
2026-06-15 CMB554 - Jun 15, 14:45 UTCJun 15, 22:59 UTC8h 15m
2026-06-15 CMB554 - Jun 15, 06:35 UTCJun 15, 11:00 UTC4h 25m
2026-06-14 CMB558 - Jun 14, 13:55 UTCJun 14, 17:45 UTC3h 50m
2026-06-13 CMB558 - Jun 13, 20:15 UTCJun 14, 06:00 UTC9h 45m
2026-06-12 NCR312 ORL → AUS Jun 12, 16:30 UTCJun 12, 18:40 UTC2h 10m

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 N828CA page for operator, model, and routing details .

Mode-S AB4EC6 frequently asked

What is Mode-S code AB4EC6?
AB4EC6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N828CA.
Where is Mode-S AB4EC6 registered?
Mode-S code AB4EC6 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 AB4EC6 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB4EC6, octal 52647306, decimal 11,226,822.
What flights does AB4EC6 operate?
Mode-S AB4EC6 has broadcast 20 distinct callsigns, including NCR305, CMB574, NCR345, NCR362, CMB506.