Apparatus

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sensors Mode-S transponder

AA8AF8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N779FE · CESSNA 208 Caravan · operated by FEDERAL EXPRESS CORP

Hex
AA8AF8
Octal
52505370
Decimal
11,176,696
Country
US
Tail
N779FE
Type
C208
No current signal · last broadcast 9h ago
Flights observed
133
Distinct callsigns
20
Country
US
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S AA8AF8.

Country allocation

The ICAO 24-bit address AA8AF8 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 20 distinct

Callsign Airline Flights Last seen
CFS7686 - 26 2026-06-19
CFS7690 - 18 2026-07-10
CFS8650 Empire Airlines 12 2026-05-09
CFS8686 Empire Airlines 10 2026-06-18
CFS7650 Empire Airlines 10 2026-05-05
CFS8690 - 9 2026-07-11
CFS4650 Empire Airlines 5 2026-05-09
CFS7697 Empire Airlines 4 2026-04-28
CFS7687 - 4 2026-07-11
CFS7662 - 4 2026-07-13
CFS4686 Empire Airlines 3 2026-06-15
CFS4662 - 3 2026-07-13
CFS8697 Empire Airlines 2 2026-04-22
CFS8692 Empire Airlines 2 2026-05-22
CFS8673 Empire Airlines 2 2026-05-30
CFS8655 Empire Airlines 2 2026-05-12
CFS7675 Empire Airlines 2 2026-06-02
CFS4697 Empire Airlines 2 2026-04-27
CFS4673 Empire Airlines 2 2026-05-30
CFS100 - 2 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CFS7662 EUG → PDX Jul 13, 23:50 UTCJul 14, 00:25 UTC35m
2026-07-13 CFS4662 PDX → EUG Jul 13, 20:55 UTCJul 13, 21:40 UTC45m
2026-07-11 CFS7687 - Jul 11, 23:40 UTCJul 12, 00:50 UTC1h 10m
2026-07-11 CFS7687 - Jul 11, 22:25 UTCJul 11, 22:40 UTC15m
2026-07-11 CFS8690 - Jul 11, 15:20 UTCJul 11, 16:25 UTC1h 5m
2026-07-10 CFS7690 - Jul 10, 23:45 UTCJul 11, 00:15 UTC30m
2026-07-10 CFS7690 - Jul 10, 22:40 UTCJul 10, 23:00 UTC20m
2026-07-10 CFS8690 - Jul 10, 15:25 UTCJul 10, 16:20 UTC55m
2026-07-09 CFS7690 - Jul 9, 23:50 UTCJul 10, 00:20 UTC30m
2026-07-09 CFS7690 - Jul 9, 22:25 UTCJul 9, 22:45 UTC20m
2026-07-09 CFS8690 - Jul 9, 15:20 UTCJul 9, 16:10 UTC50m
2026-07-08 CFS7690 - Jul 8, 23:55 UTCJul 9, 00:25 UTC30m
2026-07-08 CFS7690 - Jul 8, 22:45 UTCJul 8, 23:05 UTC20m
2026-07-08 CFS8690 - Jul 8, 15:40 UTCJul 8, 16:30 UTC50m
2026-07-07 CFS100 - Jul 7, 20:10 UTCJul 7, 20:55 UTC45m
2026-07-07 CFS100 PDX → SLE Jul 7, 18:10 UTCJul 7, 20:05 UTC1h 55m
2026-07-06 CFS7690 - Jul 6, 23:45 UTCJul 7, 00:15 UTC30m
2026-07-06 CFS7690 - Jul 6, 22:25 UTCJul 6, 22:45 UTC20m
2026-07-06 CFS4690 - Jul 6, 18:45 UTCJul 6, 19:35 UTC50m
2026-07-03 CFS7690 - Jul 3, 23:35 UTCJul 4, 00:05 UTC30m
2026-07-03 CFS7690 - Jul 3, 22:20 UTCJul 3, 22:40 UTC20m
2026-07-03 CFS8690 - Jul 3, 14:35 UTCJul 3, 15:25 UTC50m
2026-07-01 CFS4972 - Jul 1, 18:40 UTCJul 1, 19:50 UTC1h 10m
2026-07-01 CFS8972 - Jul 1, 15:40 UTCJul 1, 16:50 UTC1h 10m
2026-06-30 CFS4977 - Jun 30, 18:55 UTCJun 30, 20:05 UTC1h 10m
2026-06-30 CFS8977 PDX → OTH Jun 30, 16:10 UTCJun 30, 17:15 UTC1h 5m
2026-06-23 CFS7662 EUG → PDX Jun 23, 00:00 UTCJun 23, 00:39 UTC40m
2026-06-22 CFS4662 PDX → EUG Jun 22, 21:10 UTCJun 22, 21:45 UTC35m
2026-06-19 CFS7692 - Jun 19, 23:25 UTCJun 20, 00:09 UTC45m
2026-06-19 CFS8667 - Jun 19, 14:29 UTCJun 19, 15:14 UTC45m
2026-06-19 CFS7686 - Jun 19, 00:05 UTCJun 19, 00:29 UTC24m
2026-06-18 CFS7686 - Jun 18, 22:15 UTCJun 18, 22:50 UTC35m
2026-06-18 CFS8686 PDX → OTH Jun 18, 15:25 UTCJun 18, 16:10 UTC45m
2026-06-18 CFS7686 - Jun 18, 00:15 UTCJun 18, 00:35 UTC20m
2026-06-17 CFS7686 - Jun 17, 22:25 UTCJun 17, 22:55 UTC30m
2026-06-17 CFS8686 PDX → OTH Jun 17, 15:35 UTCJun 17, 16:20 UTC45m
2026-06-17 CFS7686 SLE → PDX Jun 17, 00:00 UTCJun 17, 00:20 UTC20m
2026-06-16 CFS7686 - Jun 16, 22:25 UTCJun 16, 22:55 UTC30m
2026-06-16 CFS8686 PDX → OTH Jun 16, 15:35 UTCJun 16, 16:25 UTC50m
2026-06-16 CFS7686 SLE → PDX Jun 16, 00:05 UTCJun 16, 00:24 UTC20m
2026-06-15 CFS7686 - Jun 15, 22:40 UTCJun 15, 23:09 UTC30m
2026-06-15 CFS4686 PDX → OTH Jun 15, 19:14 UTCJun 15, 20:00 UTC45m
2026-06-13 CFS7686 SLE → PDX Jun 13, 00:00 UTCJun 13, 00:20 UTC20m
2026-06-12 CFS7686 - Jun 12, 22:10 UTCJun 12, 22:40 UTC30m
2026-06-12 CFS8686 PDX → OTH Jun 12, 15:20 UTCJun 12, 16:05 UTC45m
2026-06-11 CFS7686 SLE → PDX Jun 11, 23:50 UTCJun 12, 00:15 UTC25m
2026-06-11 CFS7686 SLE → PDX Jun 11, 22:10 UTCJun 11, 22:40 UTC30m
2026-06-11 CFS8686 PDX → OTH Jun 11, 15:40 UTCJun 11, 16:25 UTC45m
2026-06-11 CFS7686 SLE → PDX Jun 11, 00:05 UTCJun 11, 00:25 UTC20m
2026-06-10 CFS7686 SLE → PDX Jun 10, 22:25 UTCJun 10, 22:50 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 N779FE page for operator, model, and routing details .

Mode-S AA8AF8 frequently asked

What is Mode-S code AA8AF8?
AA8AF8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N779FE.
Where is Mode-S AA8AF8 registered?
Mode-S code AA8AF8 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 AA8AF8 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA8AF8, octal 52505370, decimal 11,176,696.
What flights does AA8AF8 operate?
Mode-S AA8AF8 has broadcast 20 distinct callsigns, including CFS7686, CFS7690, CFS8650, CFS8686, CFS7650.