Apparatus

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sensors Mode-S transponder

AD0750

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N939CF · CESSNA 680 Citation Sovereign · operated by MCH AVIATION LLC

Hex
AD0750
Octal
53203520
Decimal
11,339,600
Country
US
Tail
N939CF
Type
C680
No current signal · last broadcast 1d ago
Flights observed
9
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AD0750.

Country allocation

The ICAO 24-bit address AD0750 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
JTL939 Jetall Holdings 9 2026-04-13

Recent flights last 9

DateFlightRouteTakeoffLandingDuration
2026-04-13 JTL939 LVM → VNY Apr 13, 19:50 UTCApr 13, 22:10 UTC2h 20m
2026-04-13 JTL939 LVM → VNY Apr 13, 19:20 UTCApr 13, 20:10 UTC50m
2026-04-13 JTL939 LVM → VNY Apr 13, 17:25 UTCApr 13, 18:50 UTC1h 25m
2026-04-13 JTL939 LVM → VNY Apr 13, 15:50 UTCApr 13, 16:05 UTC15m
2026-04-13 JTL939 LVM → VNY Apr 13, 15:05 UTCApr 13, 16:05 UTC1h 0m
2026-04-13 JTL939 LVM → VNY Apr 13, 13:45 UTCApr 13, 14:15 UTC30m
2026-04-13 JTL939 LVM → VNY Apr 13, 12:20 UTCApr 13, 12:40 UTC20m
2026-04-12 JTL939 LVM → VNY Apr 12, 23:55 UTCApr 13, 00:25 UTC30m
2026-04-12 JTL939 LVM → VNY Apr 12, 19:40 UTCApr 12, 20:15 UTC35m

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 N939CF page for operator, model, and routing details .

Mode-S AD0750 frequently asked

What is Mode-S code AD0750?
AD0750 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N939CF.
Where is Mode-S AD0750 registered?
Mode-S code AD0750 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 AD0750 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD0750, octal 53203520, decimal 11,339,600.
What flights does AD0750 operate?
Mode-S AD0750 has broadcast 1 distinct callsign, including JTL939.