Apparatus

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sensors Mode-S transponder

A7CE4E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N6017L · CESSNA 172 Skyhawk · operated by AVIATION TRAINING LLC

Hex
A7CE4E
Octal
51747116
Decimal
10,997,326
Country
US
Tail
N6017L
Type
C172
No current signal · last broadcast 3d ago
Flights observed
83
Distinct callsigns
1
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S A7CE4E.

Country allocation

The ICAO 24-bit address A7CE4E 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
CXK548 - 83 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-23 CXK548 COS → COS Jun 23, 17:25 UTCJun 23, 18:45 UTC1h 20m
2026-06-23 CXK548 COS → COS Jun 23, 13:55 UTCJun 23, 15:55 UTC2h 0m
2026-06-22 CXK548 COS → COS Jun 22, 13:54 UTCJun 22, 16:14 UTC2h 20m
2026-06-22 CXK548 COS → COS Jun 22, 11:09 UTCJun 22, 12:34 UTC1h 25m
2026-06-20 CXK548 COS → COS Jun 20, 12:54 UTCJun 20, 14:05 UTC1h 10m
2026-06-19 CXK548 PUB → COS Jun 19, 14:09 UTCJun 19, 14:44 UTC35m
2026-06-19 CXK548 - Jun 19, 12:39 UTCJun 19, 13:20 UTC40m
2026-06-19 CXK548 - Jun 19, 11:14 UTCJun 19, 12:04 UTC50m
2026-06-16 CXK548 - Jun 16, 13:34 UTCJun 16, 13:55 UTC20m
2026-06-16 CXK548 CNE → CNE Jun 16, 13:04 UTCJun 16, 13:25 UTC20m
2026-06-16 CXK548 COS → CNE Jun 16, 12:00 UTCJun 16, 13:00 UTC1h 0m
2026-06-15 CXK548 - Jun 15, 14:05 UTCJun 15, 14:10 UTC5m
2026-06-15 CXK548 COS → COS Jun 15, 13:50 UTCJun 15, 13:54 UTC5m
2026-06-15 CXK548 COS → COS Jun 15, 13:25 UTCJun 15, 13:34 UTC10m
2026-06-15 CXK548 - Jun 15, 13:10 UTCJun 15, 13:15 UTC5m
2026-06-15 CXK548 COS → COS Jun 15, 12:49 UTCJun 15, 13:00 UTC10m
2026-06-15 CXK548 - Jun 15, 12:19 UTCJun 15, 12:35 UTC15m
2026-06-15 CXK548 COS → COS Jun 15, 12:05 UTCJun 15, 12:15 UTC10m
2026-06-07 CXK548 COS → COS Jun 7, 14:00 UTCJun 7, 15:45 UTC1h 45m
2026-06-07 CXK548 COS → COS Jun 7, 11:40 UTCJun 7, 13:00 UTC1h 20m
2026-06-06 CXK548 COS → COS Jun 6, 13:44 UTCJun 6, 15:05 UTC1h 20m
2026-06-06 CXK548 COS → COS Jun 6, 11:05 UTCJun 6, 12:35 UTC1h 30m
2026-06-05 CXK548 COS → COS Jun 5, 16:45 UTCJun 5, 18:20 UTC1h 35m
2026-06-05 CXK548 COS → COS Jun 5, 13:50 UTCJun 5, 15:15 UTC1h 25m
2026-06-04 CXK548 COS → COS Jun 4, 14:00 UTCJun 4, 15:10 UTC1h 10m
2026-06-03 CXK548 COS → COS Jun 3, 16:00 UTCJun 3, 17:15 UTC1h 15m
2026-06-03 CXK548 COS → COS Jun 3, 11:10 UTCJun 3, 13:05 UTC1h 55m
2026-06-02 CXK548 COS → COS Jun 2, 14:20 UTCJun 2, 16:15 UTC1h 55m
2026-06-01 CXK548 COS → COS Jun 1, 14:00 UTCJun 1, 16:30 UTC2h 30m
2026-05-31 CXK548 COS → COS May 31, 13:50 UTCMay 31, 14:20 UTC30m
2026-05-28 CXK548 COS → COS May 28, 19:50 UTCMay 28, 20:45 UTC55m
2026-05-27 CXK548 COS → COS May 27, 14:30 UTCMay 27, 16:35 UTC2h 5m
2026-05-26 CXK548 COS → COS May 26, 16:20 UTCMay 26, 17:44 UTC1h 25m
2026-05-26 CXK548 COS → COS May 26, 13:54 UTCMay 26, 15:09 UTC1h 15m
2026-05-22 CXK548 - May 22, 19:45 UTCMay 22, 20:25 UTC40m
2026-05-22 CXK548 - May 22, 12:15 UTCMay 22, 13:45 UTC1h 30m
2026-05-22 CXK548 - May 22, 11:20 UTCMay 22, 11:40 UTC21m
2026-05-21 CXK548 - May 21, 19:40 UTCMay 21, 20:10 UTC30m
2026-05-21 CXK548 - May 21, 17:35 UTCMay 21, 19:30 UTC1h 55m
2026-05-21 CXK548 - May 21, 15:00 UTCMay 21, 16:01 UTC1h 0m
2026-05-21 CXK548 - May 21, 11:25 UTCMay 21, 13:25 UTC2h 0m
2026-05-19 CXK548 - May 19, 19:50 UTCMay 19, 21:00 UTC1h 10m
2026-05-16 CXK548 - May 16, 12:01 UTCMay 16, 12:55 UTC55m
2026-05-15 CXK548 APA → APA May 15, 17:05 UTCMay 15, 18:15 UTC1h 10m
2026-05-15 CXK548 APA → APA May 15, 14:00 UTCMay 15, 15:50 UTC1h 49m
2026-05-14 CXK548 - May 14, 12:25 UTCMay 14, 14:15 UTC1h 50m
2026-05-08 CXK548 - May 8, 22:05 UTCMay 8, 22:45 UTC40m
2026-05-08 CXK548 - May 8, 20:40 UTCMay 8, 21:30 UTC50m
2026-05-07 CXK548 - May 7, 01:00 UTCMay 7, 02:20 UTC1h 20m
2026-05-04 CXK548 APA → APA May 4, 13:50 UTCMay 4, 15:20 UTC1h 30m

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 N6017L page for operator, model, and routing details .

Mode-S A7CE4E frequently asked

What is Mode-S code A7CE4E?
A7CE4E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N6017L.
Where is Mode-S A7CE4E registered?
Mode-S code A7CE4E 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 A7CE4E broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7CE4E, octal 51747116, decimal 10,997,326.
What flights does A7CE4E operate?
Mode-S A7CE4E has broadcast 1 distinct callsign, including CXK548.