Apparatus

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sensors Mode-S transponder

AD6F3B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N965FE · CESSNA 208 Caravan · operated by FEDERAL EXPRESS CORP

Hex
AD6F3B
Octal
53267473
Decimal
11,366,203
Country
US
Tail
N965FE
Type
C208
No current signal · last broadcast 3d ago
Flights observed
78
Distinct callsigns
18
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S AD6F3B.

Country allocation

The ICAO 24-bit address AD6F3B 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 18 distinct

Callsign Airline Flights Last seen
CFS7701 - 31 2026-07-11
CFS8744 Empire Airlines 17 2026-07-10
CFS4701 - 8 2026-06-29
CFS7726 Empire Airlines 4 2026-05-29
CFS4726 Empire Airlines 3 2026-05-26
CFS101 Empire Airlines 2 2026-04-28
CFS100 Empire Airlines 2 2026-05-27
CFS8988 - 1 2026-06-16
CFS8981 - 1 2026-06-17
CFS8975 - 1 2026-04-14
CFS7973 - 1 2026-06-17
CFS7970 - 1 2026-06-15
CFS4970 - 1 2026-06-15
CFS4965 - 1 2026-06-17
CFS4744 Empire Airlines 1 2026-05-11
CFS271 - 1 2026-04-14
CFS202 Empire Airlines 1 2026-04-25
CFS201 Empire Airlines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 CFS7701 - Jul 11, 00:00 UTCJul 11, 00:40 UTC40m
2026-07-10 CFS7701 - Jul 10, 22:35 UTCJul 10, 22:50 UTC15m
2026-07-10 CFS8744 GEG → YKM Jul 10, 14:50 UTCJul 10, 15:40 UTC50m
2026-07-10 CFS7701 - Jul 10, 00:05 UTCJul 10, 00:45 UTC40m
2026-07-09 CFS7701 - Jul 9, 23:15 UTCJul 9, 23:25 UTC10m
2026-07-09 CFS8744 GEG → YKM Jul 9, 14:30 UTCJul 9, 15:15 UTC45m
2026-07-08 CFS7701 - Jul 8, 23:55 UTCJul 9, 00:35 UTC40m
2026-07-08 CFS8744 GEG → YKM Jul 8, 14:20 UTCJul 8, 15:10 UTC50m
2026-07-03 CFS7701 - Jul 3, 23:45 UTCJul 4, 00:25 UTC40m
2026-07-03 CFS7701 - Jul 3, 22:55 UTCJul 3, 23:05 UTC10m
2026-07-03 CFS8744 GEG → YKM Jul 3, 14:10 UTCJul 3, 14:40 UTC30m
2026-07-02 CFS7701 - Jul 2, 23:55 UTCJul 3, 00:40 UTC45m
2026-07-02 CFS7701 - Jul 2, 22:25 UTCJul 2, 22:35 UTC10m
2026-07-02 CFS8744 GEG → YKM Jul 2, 15:00 UTCJul 2, 15:50 UTC50m
2026-07-02 CFS7701 - Jul 2, 00:00 UTCJul 2, 00:40 UTC40m
2026-07-01 CFS7701 - Jul 1, 22:15 UTCJul 1, 22:30 UTC15m
2026-07-01 CFS8744 GEG → YKM Jul 1, 14:40 UTCJul 1, 15:25 UTC45m
2026-06-30 CFS7701 - Jun 30, 23:55 UTCJul 1, 00:35 UTC40m
2026-06-30 CFS7701 - Jun 30, 22:45 UTCJun 30, 22:55 UTC10m
2026-06-30 CFS8744 GEG → YKM Jun 30, 16:05 UTCJun 30, 16:50 UTC45m
2026-06-30 CFS7701 - Jun 30, 00:00 UTCJun 30, 00:39 UTC40m
2026-06-29 CFS7701 - Jun 29, 22:55 UTCJun 29, 23:09 UTC15m
2026-06-29 CFS4701 - Jun 29, 20:00 UTCJun 29, 20:40 UTC40m
2026-06-27 CFS7701 - Jun 27, 00:10 UTCJun 27, 00:44 UTC35m
2026-06-26 CFS7701 - Jun 26, 22:25 UTCJun 26, 22:34 UTC10m
2026-06-26 CFS8744 GEG → YKM Jun 26, 14:50 UTCJun 26, 15:34 UTC45m
2026-06-23 CFS7701 - Jun 23, 23:50 UTCJun 24, 00:40 UTC50m
2026-06-23 CFS4701 - Jun 23, 22:25 UTCJun 23, 22:34 UTC10m
2026-06-23 CFS8744 GEG → YKM Jun 23, 16:05 UTCJun 23, 16:50 UTC45m
2026-06-23 CFS7701 - Jun 23, 00:24 UTCJun 23, 01:04 UTC40m
2026-06-22 CFS4701 - Jun 22, 19:54 UTCJun 22, 20:39 UTC45m
2026-06-19 CFS7701 - Jun 19, 23:39 UTCJun 20, 00:19 UTC40m
2026-06-19 CFS8744 GEG → YKM Jun 19, 14:29 UTCJun 19, 14:54 UTC25m
2026-06-17 CFS7973 - Jun 17, 23:55 UTCJun 18, 00:35 UTC40m
2026-06-17 CFS4965 - Jun 17, 22:15 UTCJun 17, 22:30 UTC15m
2026-06-17 CFS8981 - Jun 17, 15:00 UTCJun 17, 15:46 UTC45m
2026-06-17 CFS7701 - Jun 17, 00:00 UTCJun 17, 00:50 UTC50m
2026-06-16 CFS8988 - Jun 16, 15:05 UTCJun 16, 15:40 UTC35m
2026-06-15 CFS7970 - Jun 15, 23:45 UTCJun 16, 00:29 UTC45m
2026-06-15 CFS4970 - Jun 15, 21:50 UTCJun 15, 22:25 UTC35m
2026-06-13 CFS7701 PSC → GEG Jun 13, 00:00 UTCJun 13, 00:35 UTC35m
2026-06-12 CFS7701 PSC → GEG Jun 12, 22:30 UTCJun 12, 22:40 UTC10m
2026-06-12 CFS8744 GEG → YKM Jun 12, 15:00 UTCJun 12, 15:30 UTC30m
2026-06-11 CFS7701 PSC → GEG Jun 11, 23:50 UTCJun 12, 00:30 UTC40m
2026-06-11 CFS4701 - Jun 11, 22:30 UTCJun 11, 22:40 UTC10m
2026-06-11 CFS8744 GEG → YKM Jun 11, 15:25 UTCJun 11, 16:15 UTC50m
2026-06-10 CFS7701 PSC → GEG Jun 10, 23:55 UTCJun 11, 00:35 UTC40m
2026-06-10 CFS7701 PSC → GEG Jun 10, 22:30 UTCJun 10, 22:40 UTC10m
2026-06-10 CFS8744 GEG → YKM Jun 10, 14:35 UTCJun 10, 15:25 UTC50m
2026-06-10 CFS7701 PSC → GEG Jun 10, 00:10 UTCJun 10, 00:35 UTC25m

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 N965FE page for operator, model, and routing details .

Mode-S AD6F3B frequently asked

What is Mode-S code AD6F3B?
AD6F3B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N965FE.
Where is Mode-S AD6F3B registered?
Mode-S code AD6F3B 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 AD6F3B 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 AD6F3B, octal 53267473, decimal 11,366,203.
What flights does AD6F3B operate?
Mode-S AD6F3B has broadcast 18 distinct callsigns, including CFS7701, CFS8744, CFS4701, CFS7726, CFS4726.