Apparatus

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sensors Mode-S transponder

A241C7

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2444H · CESSNA 172R Cutlass RG · operated by CHRISTIANSEN AVIATION LLC

Hex
A241C7
Octal
50440707
Decimal
10,633,671
Country
US
Tail
N2444H
Type
C72R
No current signal · last broadcast 19d ago
Flights observed
226
Distinct callsigns
1
Country
US
Last broadcast
19d ago

Last known position

Most recent position reported by Mode-S A241C7.

Country allocation

The ICAO 24-bit address A241C7 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
N2444H - 226 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-21 N2444H - Jul 21, 21:45 UTCJul 21, 22:40 UTC55m
2026-07-21 N2444H CCR → CCR Jul 21, 17:50 UTCJul 21, 18:50 UTC1h 0m
2026-07-20 N2444H CCR → CCR Jul 20, 22:55 UTCJul 20, 23:30 UTC35m
2026-07-20 N2444H CCR → CCR Jul 20, 14:55 UTCJul 20, 15:10 UTC15m
2026-07-20 N2444H - Jul 20, 01:55 UTCJul 20, 03:30 UTC1h 35m
2026-07-19 N2444H - Jul 19, 21:20 UTCJul 19, 23:15 UTC1h 55m
2026-07-19 N2444H CCR → CCR Jul 19, 18:10 UTCJul 19, 18:50 UTC40m
2026-07-19 N2444H CCR → CCR Jul 19, 17:45 UTCJul 19, 18:00 UTC15m
2026-07-19 N2444H CCR → CCR Jul 19, 15:55 UTCJul 19, 16:55 UTC1h 0m
2026-07-18 N2444H - Jul 18, 21:50 UTCJul 18, 22:35 UTC45m
2026-07-18 N2444H CCR → CCR Jul 18, 19:45 UTCJul 18, 20:35 UTC50m
2026-07-18 N2444H CCR → CCR Jul 18, 18:05 UTCJul 18, 18:45 UTC40m
2026-07-18 N2444H - Jul 18, 16:05 UTCJul 18, 16:50 UTC45m
2026-07-17 N2444H CCR → CCR Jul 17, 21:25 UTCJul 17, 22:29 UTC1h 5m
2026-07-17 N2444H CCR → CCR Jul 17, 17:35 UTCJul 17, 18:55 UTC1h 20m
2026-07-17 N2444H CCR → CCR Jul 17, 15:49 UTCJul 17, 16:49 UTC1h 0m
2026-07-17 N2444H CCR → CCR Jul 17, 04:20 UTCJul 17, 05:10 UTC50m
2026-07-16 N2444H - Jul 16, 22:15 UTCJul 16, 23:35 UTC1h 20m
2026-07-16 N2444H CCR → CCR Jul 16, 18:05 UTCJul 16, 19:14 UTC1h 10m
2026-07-16 N2444H CCR → CCR Jul 16, 15:49 UTCJul 16, 16:49 UTC1h 0m
2026-07-16 N2444H CCR → CCR Jul 16, 01:45 UTCJul 16, 03:15 UTC1h 30m
2026-07-15 N2444H - Jul 15, 19:35 UTCJul 15, 20:40 UTC1h 5m
2026-07-15 N2444H - Jul 15, 17:35 UTCJul 15, 18:35 UTC1h 0m
2026-07-15 N2444H CCR → CCR Jul 15, 15:55 UTCJul 15, 16:45 UTC50m
2026-07-15 N2444H - Jul 15, 04:45 UTCJul 15, 07:10 UTC2h 25m
2026-07-14 N2444H CCR → CCR Jul 14, 17:55 UTCJul 14, 18:45 UTC50m
2026-07-14 N2444H CCR → CCR Jul 14, 17:35 UTCJul 14, 17:50 UTC15m
2026-07-14 N2444H CCR → CCR Jul 14, 15:55 UTCJul 14, 16:45 UTC50m
2026-07-13 N2444H - Jul 13, 21:40 UTCJul 13, 23:05 UTC1h 25m
2026-07-13 N2444H CCR → CCR Jul 13, 16:55 UTCJul 13, 17:20 UTC25m
2026-07-08 N2444H CCR → CCR Jul 8, 19:45 UTCJul 8, 20:10 UTC25m
2026-07-07 N2444H CCR → CCR Jul 7, 18:10 UTCJul 7, 18:45 UTC35m
2026-07-03 N2444H - Jul 3, 23:30 UTCJul 4, 00:40 UTC1h 10m
2026-07-03 N2444H - Jul 3, 20:10 UTCJul 3, 21:00 UTC50m
2026-07-03 N2444H - Jul 3, 16:35 UTCJul 3, 18:20 UTC1h 45m
2026-07-03 N2444H CCR → CCR Jul 3, 02:55 UTCJul 3, 03:50 UTC55m
2026-07-02 N2444H - Jul 2, 22:00 UTCJul 2, 22:40 UTC40m
2026-07-02 N2444H - Jul 2, 19:40 UTCJul 2, 20:45 UTC1h 5m
2026-07-02 N2444H - Jul 2, 17:50 UTCJul 2, 18:50 UTC1h 0m
2026-07-02 N2444H CCR → CCR Jul 2, 14:10 UTCJul 2, 15:00 UTC50m
2026-07-01 N2444H CCR → CCR Jul 1, 23:30 UTCJul 2, 00:45 UTC1h 15m
2026-07-01 N2444H - Jul 1, 22:00 UTCJul 1, 22:50 UTC50m
2026-07-01 N2444H CCR → CCR Jul 1, 16:45 UTCJul 1, 18:35 UTC1h 50m
2026-06-30 N2444H CCR → CCR Jun 30, 22:00 UTCJun 30, 22:55 UTC55m
2026-06-30 N2444H - Jun 30, 19:55 UTCJun 30, 20:35 UTC40m
2026-06-30 N2444H CCR → CCR Jun 30, 17:35 UTCJun 30, 18:45 UTC1h 10m
2026-06-30 N2444H CCR → CCR Jun 30, 15:35 UTCJun 30, 16:40 UTC1h 5m
2026-06-29 N2444H CCR → CCR Jun 29, 19:39 UTCJun 29, 20:44 UTC1h 5m
2026-06-29 N2444H CCR → CCR Jun 29, 17:24 UTCJun 29, 17:34 UTC10m
2026-06-29 N2444H CCR → CCR Jun 29, 15:49 UTCJun 29, 17:19 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 N2444H page for operator, model, and routing details .

Mode-S A241C7 frequently asked

What is Mode-S code A241C7?
A241C7 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2444H.
Where is Mode-S A241C7 registered?
Mode-S code A241C7 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 A241C7 broadcasting right now?
No active broadcast right now. Last signal was 19d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A241C7, octal 50440707, decimal 10,633,671.
What flights does A241C7 operate?
Mode-S A241C7 has broadcast 1 distinct callsign, including N2444H.