Apparatus

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sensors Mode-S transponder

ACFC75

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N936FE · CESSNA 208 Caravan · operated by FEDERAL EXPRESS CORP

Hex
ACFC75
Octal
53176165
Decimal
11,336,821
Country
US
Tail
N936FE
Type
C208
No current signal · last broadcast 6h ago
Flights observed
81
Distinct callsigns
14
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S ACFC75.

Country allocation

The ICAO 24-bit address ACFC75 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 14 distinct

Callsign Airline Flights Last seen
CPT8586 - 21 2026-07-16
CPT8589 - 11 2026-07-11
CPT7589 - 9 2026-07-13
CPT8594 - 8 2026-07-07
CPT7562 - 8 2026-07-18
CPT7555 - 6 2026-07-08
CPT8555 - 4 2026-07-08
CPT1019 - 4 2026-07-14
CPT8565 Corporate Air 3 2026-06-20
CPT8564 Corporate Air 2 2026-05-30
CPT7583 Corporate Air 2 2026-05-30
CPT936 - 1 2026-05-27
CPT820 - 1 2026-06-24
CPT2815 - 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 CPT7562 - Jul 18, 01:54 UTCJul 18, 02:14 UTC20m
2026-07-18 CPT7562 - Jul 18, 00:10 UTCJul 18, 00:29 UTC20m
2026-07-16 CPT8586 - Jul 16, 14:25 UTCJul 16, 14:55 UTC30m
2026-07-16 CPT8586 - Jul 16, 13:00 UTCJul 16, 13:25 UTC25m
2026-07-15 CPT8586 BJI → FAR Jul 15, 14:00 UTCJul 15, 14:35 UTC35m
2026-07-15 CPT8586 - Jul 15, 12:55 UTCJul 15, 13:20 UTC25m
2026-07-14 CPT1019 - Jul 14, 14:55 UTCJul 14, 15:30 UTC35m
2026-07-14 CPT8586 - Jul 14, 13:45 UTCJul 14, 14:15 UTC30m
2026-07-13 CPT7589 - Jul 13, 23:25 UTCJul 13, 23:50 UTC25m
2026-07-11 CPT8589 - Jul 11, 14:35 UTCJul 11, 14:55 UTC20m
2026-07-10 CPT7589 - Jul 10, 23:10 UTCJul 10, 23:30 UTC20m
2026-07-10 CPT8589 - Jul 10, 13:30 UTCJul 10, 13:50 UTC20m
2026-07-08 CPT7555 - Jul 8, 23:50 UTCJul 9, 00:30 UTC40m
2026-07-08 CPT8555 - Jul 8, 13:05 UTCJul 8, 13:35 UTC30m
2026-07-07 CPT8594 - Jul 7, 16:45 UTCJul 7, 17:20 UTC35m
2026-07-07 CPT8594 - Jul 7, 14:20 UTCJul 7, 14:50 UTC30m
2026-07-04 CPT7562 - Jul 4, 01:50 UTCJul 4, 02:10 UTC20m
2026-07-03 CPT7562 - Jul 3, 23:20 UTCJul 3, 23:45 UTC25m
2026-07-02 CPT1019 - Jul 2, 14:50 UTCJul 2, 15:15 UTC25m
2026-07-02 CPT8586 - Jul 2, 13:35 UTCJul 2, 13:55 UTC20m
2026-07-01 CPT8586 - Jul 1, 15:00 UTCJul 1, 15:25 UTC25m
2026-07-01 CPT8586 - Jul 1, 13:50 UTCJul 1, 14:10 UTC20m
2026-06-30 CPT8586 - Jun 30, 18:10 UTCJun 30, 18:30 UTC20m
2026-06-30 CPT8586 - Jun 30, 16:50 UTCJun 30, 17:10 UTC20m
2026-06-24 CPT820 - Jun 24, 16:05 UTCJun 24, 17:34 UTC1h 30m
2026-06-23 CPT8594 FAR → BIS Jun 23, 21:10 UTCJun 23, 21:49 UTC40m
2026-06-23 CPT8594 FAR → BIS Jun 23, 14:59 UTCJun 23, 15:34 UTC35m
2026-06-20 CPT8565 BIS → DIK Jun 20, 19:09 UTCJun 20, 19:44 UTC35m
2026-06-20 CPT8565 BIS → DIK Jun 20, 14:24 UTCJun 20, 14:59 UTC35m
2026-06-19 CPT7555 - Jun 19, 23:39 UTCJun 20, 00:14 UTC35m
2026-06-19 CPT8555 - Jun 19, 13:20 UTCJun 19, 13:44 UTC25m
2026-06-18 CPT7555 - Jun 18, 23:55 UTCJun 19, 00:20 UTC24m
2026-06-18 CPT8555 - Jun 18, 13:20 UTCJun 18, 13:55 UTC35m
2026-06-17 CPT7589 - Jun 17, 23:40 UTCJun 18, 00:10 UTC30m
2026-06-17 CPT8589 FAR → BJI Jun 17, 14:05 UTCJun 17, 14:25 UTC20m
2026-06-16 CPT7555 - Jun 16, 23:50 UTCJun 17, 00:10 UTC20m
2026-06-16 CPT8555 - Jun 16, 13:30 UTCJun 16, 14:05 UTC35m
2026-06-13 CPT1019 - Jun 13, 19:30 UTCJun 13, 19:50 UTC20m
2026-06-13 CPT8565 BIS → DIK Jun 13, 14:45 UTCJun 13, 15:20 UTC35m
2026-06-12 CPT7589 - Jun 12, 23:35 UTCJun 13, 00:00 UTC25m
2026-06-12 CPT8589 FAR → BJI Jun 12, 13:35 UTCJun 12, 13:55 UTC20m
2026-06-08 CPT7589 BJI → FAR Jun 8, 23:35 UTCJun 9, 00:00 UTC25m
2026-06-08 CPT7589 BJI → FAR Jun 8, 21:20 UTCJun 8, 21:40 UTC20m
2026-06-06 CPT8589 FAR → BJI Jun 6, 14:59 UTCJun 6, 15:25 UTC25m
2026-06-06 CPT8589 FAR → BJI Jun 6, 13:39 UTCJun 6, 14:00 UTC20m
2026-06-03 CPT8586 BJI → FAR Jun 3, 14:55 UTCJun 3, 15:10 UTC15m
2026-06-03 CPT8586 BJI → FAR Jun 3, 13:40 UTCJun 3, 13:50 UTC10m
2026-06-02 CPT8594 - Jun 2, 16:40 UTCJun 2, 17:05 UTC25m
2026-06-02 CPT8594 - Jun 2, 13:55 UTCJun 2, 14:25 UTC30m
2026-05-30 CPT7583 BIS → FAR May 30, 21:20 UTCMay 30, 21:40 UTC20m

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 N936FE page for operator, model, and routing details .

Mode-S ACFC75 frequently asked

What is Mode-S code ACFC75?
ACFC75 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N936FE.
Where is Mode-S ACFC75 registered?
Mode-S code ACFC75 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 ACFC75 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACFC75, octal 53176165, decimal 11,336,821.
What flights does ACFC75 operate?
Mode-S ACFC75 has broadcast 14 distinct callsigns, including CPT8586, CPT8589, CPT7589, CPT8594, CPT7562.