Apparatus

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sensors Mode-S transponder

A23AFB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N24285 · operated by CAREER TRACK 2 LLC

Hex
A23AFB
Octal
50435373
Decimal
10,631,931
Country
US
Tail
N24285
Type
C172
No current signal · last broadcast 13h ago
Flights observed
187
Distinct callsigns
1
Country
US
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S A23AFB.

Country allocation

The ICAO 24-bit address A23AFB 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
CXK674 - 187 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CXK674 - Jul 17, 18:15 UTCJul 17, 18:40 UTC25m
2026-07-17 CXK674 - Jul 17, 14:20 UTCJul 17, 16:19 UTC2h 0m
2026-07-13 CXK674 APA → APA Jul 13, 17:15 UTCJul 13, 19:00 UTC1h 45m
2026-07-13 CXK674 APA → APA Jul 13, 14:45 UTCJul 13, 16:30 UTC1h 45m
2026-07-13 CXK674 - Jul 13, 11:30 UTCJul 13, 13:20 UTC1h 50m
2026-07-12 CXK674 APA → APA Jul 12, 13:45 UTCJul 12, 15:10 UTC1h 25m
2026-07-12 CXK674 APA → APA Jul 12, 11:15 UTCJul 12, 12:20 UTC1h 5m
2026-07-11 CXK674 - Jul 11, 18:40 UTCJul 11, 19:20 UTC40m
2026-07-11 CXK674 - Jul 11, 17:05 UTCJul 11, 17:50 UTC45m
2026-07-11 CXK674 - Jul 11, 13:45 UTCJul 11, 15:40 UTC1h 55m
2026-07-11 CXK674 APA → APA Jul 11, 11:30 UTCJul 11, 12:50 UTC1h 20m
2026-07-10 CXK674 - Jul 10, 15:10 UTCJul 10, 17:35 UTC2h 25m
2026-07-09 CXK674 - Jul 9, 16:55 UTCJul 9, 18:40 UTC1h 45m
2026-07-09 CXK674 BJC → BJC Jul 9, 14:05 UTCJul 9, 15:35 UTC1h 30m
2026-07-09 CXK674 BJC → BJC Jul 9, 11:35 UTCJul 9, 12:55 UTC1h 20m
2026-07-08 CXK674 BJC → BJC Jul 8, 13:50 UTCJul 8, 15:40 UTC1h 50m
2026-07-08 CXK674 - Jul 8, 12:15 UTCJul 8, 12:30 UTC15m
2026-07-08 CXK674 BJC → BJC Jul 8, 11:40 UTCJul 8, 11:45 UTC5m
2026-07-08 CXK674 - Jul 8, 11:10 UTCJul 8, 11:20 UTC10m
2026-07-07 CXK674 BJC → BJC Jul 7, 15:45 UTCJul 7, 17:25 UTC1h 40m
2026-07-07 CXK674 - Jul 7, 14:00 UTCJul 7, 14:40 UTC40m
2026-07-07 CXK674 BJC → COS Jul 7, 12:05 UTCJul 7, 13:50 UTC1h 45m
2026-07-07 CXK674 BJC → BJC Jul 7, 11:10 UTCJul 7, 11:20 UTC10m
2026-07-06 CXK674 BJC → BJC Jul 6, 17:15 UTCJul 6, 18:15 UTC1h 0m
2026-07-06 CXK674 - Jul 6, 15:25 UTCJul 6, 16:10 UTC45m
2026-07-06 CXK674 BJC → COS Jul 6, 13:15 UTCJul 6, 15:10 UTC1h 55m
2026-07-06 CXK674 BJC → BJC Jul 6, 11:10 UTCJul 6, 11:20 UTC10m
2026-07-04 CXK674 BJC → BJC Jul 4, 11:00 UTCJul 4, 12:20 UTC1h 20m
2026-07-03 CXK674 BJC → BJC Jul 3, 14:30 UTCJul 3, 16:05 UTC1h 35m
2026-07-03 CXK674 BJC → BJC Jul 3, 01:40 UTCJul 3, 02:20 UTC40m
2026-07-02 CXK674 BJC → BJC Jul 2, 19:45 UTCJul 2, 21:10 UTC1h 25m
2026-07-02 CXK674 BJC → BJC Jul 2, 17:40 UTCJul 2, 18:40 UTC1h 0m
2026-07-02 CXK674 BJC → BJC Jul 2, 14:45 UTCJul 2, 15:45 UTC1h 0m
2026-07-02 CXK674 BJC → BJC Jul 2, 12:40 UTCJul 2, 12:50 UTC10m
2026-07-02 CXK674 BJC → BJC Jul 2, 12:25 UTCJul 2, 12:35 UTC10m
2026-07-02 CXK674 - Jul 2, 12:00 UTCJul 2, 12:05 UTC5m
2026-07-02 CXK674 BJC → BJC Jul 2, 11:25 UTCJul 2, 11:35 UTC10m
2026-07-01 CXK674 - Jul 1, 18:00 UTCJul 1, 18:55 UTC55m
2026-07-01 CXK674 - Jul 1, 11:25 UTCJul 1, 12:50 UTC1h 25m
2026-06-30 CXK674 BJC → BJC Jun 30, 15:55 UTCJun 30, 16:55 UTC1h 0m
2026-06-29 CXK674 BJC → BJC Jun 29, 19:15 UTCJun 29, 19:39 UTC25m
2026-06-29 CXK674 BJC → BJC Jun 29, 15:49 UTCJun 29, 16:55 UTC1h 5m
2026-06-23 CXK674 - Jun 23, 16:24 UTCJun 23, 18:20 UTC1h 55m
2026-06-23 CXK674 - Jun 23, 11:45 UTCJun 23, 13:50 UTC2h 5m
2026-06-22 CXK674 BJC → BJC Jun 22, 19:40 UTCJun 22, 21:25 UTC1h 45m
2026-06-22 CXK674 BJC → BJC Jun 22, 13:14 UTCJun 22, 15:24 UTC2h 10m
2026-06-21 CXK674 - Jun 21, 17:35 UTCJun 21, 18:25 UTC50m
2026-06-21 CXK674 COS → COS Jun 21, 17:10 UTCJun 21, 17:24 UTC15m
2026-06-21 CXK674 PUB → COS Jun 21, 16:34 UTCJun 21, 17:05 UTC30m
2026-06-21 CXK674 BJC → PUB Jun 21, 12:49 UTCJun 21, 14:34 UTC1h 45m

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 N24285 page for operator, model, and routing details .

Mode-S A23AFB frequently asked

What is Mode-S code A23AFB?
A23AFB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N24285.
Where is Mode-S A23AFB registered?
Mode-S code A23AFB 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 A23AFB broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A23AFB, octal 50435373, decimal 10,631,931.
What flights does A23AFB operate?
Mode-S A23AFB has broadcast 1 distinct callsign, including CXK674.