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sensors Mode-S transponder

AAF558

ICAO 24-bit transponder address · allocated to United States

Hex
AAF558
Octal
52572530
Decimal
11,203,928
Country
US
No current signal · last broadcast 1d ago
Flights observed
102
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AAF558.

Country allocation

The ICAO 24-bit address AAF558 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
N805KG - 102 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N805KG - Jul 13, 04:55 UTCJul 13, 05:05 UTC10m
2026-07-13 N805KG LGA → BOS Jul 13, 03:40 UTCJul 13, 04:40 UTC1h 0m
2026-07-12 N805KG - Jul 12, 21:35 UTCJul 12, 23:05 UTC1h 30m
2026-07-09 N805KG - Jul 9, 23:05 UTCJul 9, 23:45 UTC40m
2026-07-09 N805KG - Jul 9, 22:10 UTCJul 9, 22:30 UTC20m
2026-07-09 N805KG - Jul 9, 20:55 UTCJul 9, 21:05 UTC10m
2026-07-09 N805KG BED → BED Jul 9, 17:10 UTCJul 9, 17:40 UTC30m
2026-07-06 N805KG - Jul 6, 11:55 UTCJul 6, 14:05 UTC2h 10m
2026-07-05 N805KG - Jul 5, 03:45 UTCJul 5, 04:55 UTC1h 10m
2026-07-04 N805KG - Jul 4, 18:30 UTCJul 4, 20:00 UTC1h 30m
2026-07-04 N805KG - Jul 4, 11:30 UTCJul 4, 13:05 UTC1h 35m
2026-07-04 N805KG - Jul 4, 10:20 UTCJul 4, 10:40 UTC20m
2026-07-02 N805KG GON → BED Jul 2, 00:00 UTCJul 2, 00:30 UTC30m
2026-07-01 N805KG - Jul 1, 22:20 UTCJul 1, 23:00 UTC40m
2026-07-01 N805KG - Jul 1, 18:00 UTCJul 1, 19:30 UTC1h 30m
2026-06-30 N805KG TEB → BED Jun 30, 21:55 UTCJun 30, 23:25 UTC1h 30m
2026-06-30 N805KG - Jun 30, 18:50 UTCJun 30, 20:20 UTC1h 30m
2026-06-30 N805KG - Jun 30, 18:05 UTCJun 30, 18:15 UTC10m
2026-06-29 N805KG - Jun 29, 13:00 UTCJun 29, 14:09 UTC1h 10m
2026-06-29 N805KG - Jun 29, 11:10 UTCJun 29, 12:05 UTC55m
2026-06-26 N805KG - Jun 26, 20:15 UTCJun 26, 23:00 UTC2h 45m
2026-06-26 N805KG - Jun 26, 16:30 UTCJun 26, 17:00 UTC30m
2026-06-24 N805KG - Jun 24, 23:24 UTCJun 24, 23:34 UTC10m
2026-06-24 N805KG JRA → BOS Jun 24, 21:54 UTCJun 24, 23:10 UTC1h 15m
2026-06-24 N805KG - Jun 24, 19:04 UTCJun 24, 20:09 UTC1h 5m
2026-06-21 N805KG - Jun 21, 17:10 UTCJun 21, 20:09 UTC3h 0m
2026-06-20 N805KG - Jun 20, 13:34 UTCJun 20, 16:09 UTC2h 35m
2026-06-19 N805KG - Jun 19, 16:14 UTCJun 19, 16:44 UTC30m
2026-06-19 N805KG - Jun 19, 14:59 UTCJun 19, 15:34 UTC35m
2026-06-19 N805KG - Jun 19, 13:04 UTCJun 19, 13:14 UTC10m
2026-06-17 N805KG TSS → BED Jun 17, 17:40 UTCJun 17, 19:05 UTC1h 25m
2026-06-17 N805KG TEB → TSS Jun 17, 17:15 UTCJun 17, 17:25 UTC10m
2026-06-17 N805KG JRA → TEB Jun 17, 14:45 UTCJun 17, 14:55 UTC10m
2026-06-17 N805KG BED → TSS Jun 17, 13:05 UTCJun 17, 14:40 UTC1h 35m
2026-06-14 N805KG - Jun 14, 21:25 UTCJun 14, 21:35 UTC10m
2026-06-14 N805KG - Jun 14, 20:20 UTCJun 14, 21:05 UTC45m
2026-06-14 N805KG - Jun 14, 19:20 UTCJun 14, 19:40 UTC20m
2026-06-12 N805KG - Jun 12, 19:40 UTCJun 12, 20:25 UTC45m
2026-06-12 N805KG - Jun 12, 18:35 UTCJun 12, 19:05 UTC30m
2026-06-12 N805KG - Jun 12, 16:05 UTCJun 12, 17:50 UTC1h 45m
2026-06-12 N805KG - Jun 12, 12:45 UTCJun 12, 13:50 UTC1h 5m
2026-06-09 N805KG TEB → BED Jun 9, 12:40 UTCJun 9, 14:05 UTC1h 25m
2026-06-09 N805KG - Jun 9, 10:35 UTCJun 9, 11:50 UTC1h 15m
2026-06-07 N805KG - Jun 7, 19:55 UTCJun 7, 21:40 UTC1h 45m
2026-06-07 N805KG - Jun 7, 18:50 UTCJun 7, 19:20 UTC30m
2026-06-07 N805KG BOS → BED Jun 7, 14:50 UTCJun 7, 18:00 UTC3h 10m
2026-06-07 N805KG - Jun 7, 13:10 UTCJun 7, 13:20 UTC10m
2026-06-06 N805KG BOS → BED Jun 6, 17:19 UTCJun 6, 17:29 UTC10m
2026-06-06 N805KG - Jun 6, 15:15 UTCJun 6, 17:05 UTC1h 50m
2026-06-05 N805KG - Jun 5, 20:45 UTCJun 5, 22:15 UTC1h 30m

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.

Mode-S AAF558 frequently asked

What is Mode-S code AAF558?
AAF558 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S AAF558 registered?
Mode-S code AAF558 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 AAF558 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 AAF558, octal 52572530, decimal 11,203,928.
What flights does AAF558 operate?
Mode-S AAF558 has broadcast 1 distinct callsign, including N805KG.