Apparatus

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sensors Mode-S transponder

AA5865

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N766FX · CESSNA 408 SkyCourier · operated by FEDERAL EXPRESS CORP

Hex
AA5865
Octal
52454145
Decimal
11,163,749
Country
US
Tail
N766FX
Type
C408
No current signal · last broadcast Jul 25, 00:35 UTC
Flights observed
114
Distinct callsigns
15
Country
US
Last broadcast
Jul 25, 00:35 UTC

Last known position

Most recent position reported by Mode-S AA5865.

Country allocation

The ICAO 24-bit address AA5865 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 15 distinct

Callsign Airline Flights Last seen
CPT8574 Corporate Air 26 2026-06-19
CPT8577 - 19 2026-06-29
CPT7593 Corporate Air 18 2026-07-24
CPT8593 - 16 2026-07-24
CPT8291 - 8 2026-07-20
CPT77 - 6 2026-06-23
CPT7573 Corporate Air 5 2026-06-16
CPT2123 - 5 2026-07-09
CPT7574 - 4 2026-06-10
CPT8564 Corporate Air 2 2026-05-19
CPT8077 - 1 2026-06-24
CPT8018 - 1 2026-05-26
CPT76 - 1 2026-06-18
CPT7598 Corporate Air 1 2026-07-25
CPT25 - 1 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CPT7598 BIS → FAR Jul 25, 00:00 UTCJul 25, 00:35 UTC35m
2026-07-24 CPT8593 - Jul 24, 13:10 UTCJul 24, 13:40 UTC30m
2026-07-24 CPT7593 BIS → FAR Jul 24, 00:00 UTCJul 24, 00:35 UTC35m
2026-07-23 CPT8593 - Jul 23, 13:20 UTCJul 23, 13:55 UTC35m
2026-07-22 CPT7593 BIS → FAR Jul 22, 23:50 UTCJul 23, 00:20 UTC30m
2026-07-22 CPT8593 - Jul 22, 13:30 UTCJul 22, 14:00 UTC30m
2026-07-21 CPT7593 BIS → FAR Jul 21, 23:50 UTCJul 22, 00:20 UTC30m
2026-07-21 CPT8593 - Jul 21, 15:00 UTCJul 21, 15:25 UTC25m
2026-07-20 CPT7593 BIS → FAR Jul 20, 23:45 UTCJul 21, 00:20 UTC35m
2026-07-20 CPT8291 - Jul 20, 20:55 UTCJul 20, 21:35 UTC40m
2026-07-17 CPT7593 - Jul 17, 23:55 UTCJul 18, 00:29 UTC35m
2026-07-17 CPT8593 - Jul 17, 13:25 UTCJul 17, 14:00 UTC35m
2026-07-16 CPT7593 - Jul 16, 23:44 UTCJul 17, 00:20 UTC35m
2026-07-16 CPT8593 - Jul 16, 13:10 UTCJul 16, 13:45 UTC35m
2026-07-16 CPT7593 - Jul 16, 00:00 UTCJul 16, 00:30 UTC30m
2026-07-15 CPT8593 - Jul 15, 13:30 UTCJul 15, 14:05 UTC35m
2026-07-14 CPT7593 - Jul 14, 23:35 UTCJul 15, 00:20 UTC45m
2026-07-14 CPT8593 - Jul 14, 14:05 UTCJul 14, 14:40 UTC35m
2026-07-13 CPT7593 - Jul 13, 23:45 UTCJul 14, 00:15 UTC30m
2026-07-13 CPT8291 - Jul 13, 21:35 UTCJul 13, 22:25 UTC50m
2026-07-09 CPT2123 - Jul 9, 22:40 UTCJul 9, 23:10 UTC30m
2026-07-09 CPT2123 - Jul 9, 14:20 UTCJul 9, 14:50 UTC30m
2026-07-08 CPT7593 - Jul 8, 23:55 UTCJul 9, 00:25 UTC30m
2026-07-08 CPT8593 - Jul 8, 13:25 UTCJul 8, 13:55 UTC30m
2026-07-07 CPT7593 - Jul 7, 23:55 UTCJul 8, 00:20 UTC25m
2026-07-07 CPT8593 - Jul 7, 14:15 UTCJul 7, 14:45 UTC30m
2026-07-06 CPT7593 - Jul 6, 23:55 UTCJul 7, 00:30 UTC35m
2026-07-06 CPT8593 - Jul 6, 21:20 UTCJul 6, 21:55 UTC35m
2026-07-04 CPT7593 - Jul 4, 00:05 UTCJul 4, 00:20 UTC15m
2026-07-03 CPT8593 - Jul 3, 13:00 UTCJul 3, 13:35 UTC35m
2026-07-02 CPT7593 - Jul 2, 23:50 UTCJul 3, 00:20 UTC30m
2026-07-02 CPT8593 - Jul 2, 13:50 UTCJul 2, 14:15 UTC25m
2026-07-02 CPT7593 - Jul 2, 00:25 UTCJul 2, 00:45 UTC20m
2026-07-01 CPT8593 - Jul 1, 17:10 UTCJul 1, 17:45 UTC35m
2026-07-01 CPT7593 - Jul 1, 00:05 UTCJul 1, 00:20 UTC15m
2026-06-30 CPT8593 - Jun 30, 15:15 UTCJun 30, 15:55 UTC40m
2026-06-29 CPT7593 - Jun 29, 23:54 UTCJun 30, 00:30 UTC35m
2026-06-29 CPT8577 - Jun 29, 21:30 UTCJun 29, 22:05 UTC35m
2026-06-26 CPT8577 - Jun 26, 23:49 UTCJun 27, 00:25 UTC35m
2026-06-26 CPT8577 - Jun 26, 16:30 UTCJun 26, 17:00 UTC30m
2026-06-26 CPT8291 - Jun 26, 00:05 UTCJun 26, 00:35 UTC30m
2026-06-25 CPT8577 - Jun 25, 14:14 UTCJun 25, 14:39 UTC25m
2026-06-24 CPT8077 - Jun 24, 23:59 UTCJun 25, 00:40 UTC40m
2026-06-24 CPT8577 - Jun 24, 13:40 UTCJun 24, 14:15 UTC35m
2026-06-24 CPT8577 - Jun 24, 00:05 UTCJun 24, 00:34 UTC30m
2026-06-23 CPT8577 - Jun 23, 15:15 UTCJun 23, 15:44 UTC30m
2026-06-23 CPT77 - Jun 23, 00:04 UTCJun 23, 00:35 UTC30m
2026-06-22 CPT77 - Jun 22, 21:14 UTCJun 22, 21:49 UTC35m
2026-06-19 CPT25 - Jun 19, 23:25 UTCJun 19, 23:54 UTC30m
2026-06-19 CPT8574 FAR → XWA Jun 19, 13:09 UTCJun 19, 13:50 UTC40m

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 N766FX page for operator, model, and routing details .

Mode-S AA5865 frequently asked

What is Mode-S code AA5865?
AA5865 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N766FX.
Where is Mode-S AA5865 registered?
Mode-S code AA5865 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 AA5865 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 00:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA5865, octal 52454145, decimal 11,163,749.
What flights does AA5865 operate?
Mode-S AA5865 has broadcast 15 distinct callsigns, including CPT8574, CPT8577, CPT7593, CPT8593, CPT8291.