Apparatus

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sensors Mode-S transponder

A25EC7

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N25189 · operated by CAREER TRACK 5 LLC

Hex
A25EC7
Octal
50457307
Decimal
10,641,095
Country
US
Tail
N25189
Type
C172
No current signal · last broadcast 4h ago
Flights observed
126
Distinct callsigns
1
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S A25EC7.

Country allocation

The ICAO 24-bit address A25EC7 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
CXK431 - 126 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CXK431 - Jul 17, 17:09 UTCJul 17, 18:40 UTC1h 30m
2026-07-17 CXK431 - Jul 17, 15:25 UTCJul 17, 15:40 UTC15m
2026-07-17 CXK431 - Jul 17, 13:55 UTCJul 17, 14:15 UTC20m
2026-07-16 CXK431 - Jul 16, 20:25 UTCJul 16, 20:35 UTC10m
2026-07-16 CXK431 - Jul 16, 17:35 UTCJul 16, 18:50 UTC1h 15m
2026-07-16 CXK431 - Jul 16, 15:45 UTCJul 16, 16:05 UTC20m
2026-07-16 CXK431 - Jul 16, 13:49 UTCJul 16, 14:10 UTC20m
2026-07-15 CXK431 - Jul 15, 23:50 UTCJul 16, 01:00 UTC1h 10m
2026-07-15 CXK431 - Jul 15, 20:50 UTCJul 15, 21:05 UTC15m
2026-07-12 CXK431 CXO → CXO Jul 12, 18:45 UTCJul 12, 19:55 UTC1h 10m
2026-07-10 CXK431 - Jul 10, 00:10 UTCJul 10, 00:35 UTC25m
2026-07-09 CXK431 - Jul 9, 22:50 UTCJul 9, 23:20 UTC30m
2026-07-09 CXK431 - Jul 9, 19:40 UTCJul 9, 20:15 UTC35m
2026-07-08 CXK431 - Jul 8, 23:00 UTCJul 9, 00:25 UTC1h 25m
2026-07-08 CXK431 - Jul 8, 10:55 UTCJul 8, 11:10 UTC15m
2026-07-07 CXK431 - Jul 7, 22:50 UTCJul 7, 23:10 UTC20m
2026-07-07 CXK431 - Jul 7, 19:10 UTCJul 7, 20:20 UTC1h 10m
2026-07-05 CXK431 - Jul 5, 22:40 UTCJul 5, 23:40 UTC1h 0m
2026-07-05 CXK431 - Jul 5, 15:30 UTCJul 5, 18:05 UTC2h 35m
2026-07-05 CXK431 - Jul 5, 13:35 UTCJul 5, 13:55 UTC20m
2026-07-03 CXK431 - Jul 3, 21:50 UTCJul 3, 22:30 UTC40m
2026-07-03 CXK431 - Jul 3, 16:25 UTCJul 3, 18:00 UTC1h 35m
2026-07-03 CXK431 - Jul 3, 13:05 UTCJul 3, 14:10 UTC1h 5m
2026-07-02 CXK431 - Jul 2, 16:40 UTCJul 2, 19:00 UTC2h 20m
2026-07-01 CXK431 - Jul 1, 19:15 UTCJul 1, 20:25 UTC1h 10m
2026-07-01 CXK431 - Jul 1, 15:05 UTCJul 1, 17:00 UTC1h 55m
2026-07-01 CXK431 - Jul 1, 12:10 UTCJul 1, 13:30 UTC1h 20m
2026-06-30 CXK431 - Jun 30, 22:15 UTCJun 30, 23:35 UTC1h 20m
2026-06-30 CXK431 - Jun 30, 19:00 UTCJun 30, 20:10 UTC1h 10m
2026-06-29 CXK431 - Jun 29, 20:40 UTCJun 29, 21:54 UTC1h 15m
2026-06-28 CXK431 - Jun 28, 17:04 UTCJun 28, 17:39 UTC35m
2026-06-27 CXK431 - Jun 27, 22:25 UTCJun 27, 22:45 UTC20m
2026-06-27 CXK431 - Jun 27, 16:59 UTCJun 27, 19:39 UTC2h 40m
2026-06-26 CXK431 - Jun 26, 13:59 UTCJun 26, 15:10 UTC1h 10m
2026-06-23 CXK431 - Jun 23, 22:25 UTCJun 24, 00:09 UTC1h 45m
2026-06-23 CXK431 SGR → SGR Jun 23, 03:09 UTCJun 23, 03:29 UTC20m
2026-06-22 CXK431 - Jun 22, 23:35 UTCJun 23, 02:04 UTC2h 30m
2026-06-22 CXK431 - Jun 22, 19:14 UTCJun 22, 22:30 UTC3h 15m
2026-06-22 CXK431 - Jun 22, 17:04 UTCJun 22, 17:34 UTC30m
2026-06-22 CXK431 - Jun 22, 02:59 UTCJun 22, 03:19 UTC20m
2026-06-21 CXK431 - Jun 21, 21:05 UTCJun 21, 21:49 UTC45m
2026-06-18 CXK431 - Jun 18, 19:40 UTCJun 18, 19:55 UTC15m
2026-06-13 CXK431 - Jun 13, 03:55 UTCJun 13, 04:35 UTC39m
2026-06-13 CXK431 - Jun 13, 02:40 UTCJun 13, 03:05 UTC25m
2026-06-12 CXK431 - Jun 12, 21:35 UTCJun 12, 21:45 UTC10m
2026-06-12 CXK431 CXO → CXO Jun 12, 14:35 UTCJun 12, 15:05 UTC30m
2026-06-12 CXK431 - Jun 12, 11:20 UTCJun 12, 12:35 UTC1h 15m
2026-06-12 CXK431 - Jun 12, 03:05 UTCJun 12, 04:20 UTC1h 15m
2026-06-12 CXK431 - Jun 12, 00:05 UTCJun 12, 01:10 UTC1h 6m
2026-06-10 CXK431 - Jun 10, 13:50 UTCJun 10, 14:55 UTC1h 5m

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 N25189 page for operator, model, and routing details .

Mode-S A25EC7 frequently asked

What is Mode-S code A25EC7?
A25EC7 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N25189.
Where is Mode-S A25EC7 registered?
Mode-S code A25EC7 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 A25EC7 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A25EC7, octal 50457307, decimal 10,641,095.
What flights does A25EC7 operate?
Mode-S A25EC7 has broadcast 1 distinct callsign, including CXK431.