Apparatus

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sensors Mode-S transponder

AB86F0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8417U · CESSNA 172 Skyhawk · operated by WILLIAMS AIRCRAFT LLC

Hex
AB86F0
Octal
52703360
Decimal
11,241,200
Country
US
Tail
N8417U
Type
C172
No current signal · last broadcast 6h ago
Flights observed
125
Distinct callsigns
1
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S AB86F0.

Country allocation

The ICAO 24-bit address AB86F0 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
N8417U - 125 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N8417U ENA → ENA Jul 14, 03:30 UTCJul 14, 05:25 UTC1h 55m
2026-07-13 N8417U ENA → ENA Jul 13, 22:00 UTCJul 13, 23:25 UTC1h 25m
2026-07-13 N8417U ENA → ENA Jul 13, 16:45 UTCJul 13, 17:45 UTC1h 0m
2026-07-13 N8417U ENA → ENA Jul 13, 02:15 UTCJul 13, 02:50 UTC35m
2026-07-10 N8417U ENA → ENA Jul 10, 18:45 UTCJul 10, 19:50 UTC1h 5m
2026-07-10 N8417U ENA → ENA Jul 10, 03:15 UTCJul 10, 04:45 UTC1h 30m
2026-07-09 N8417U ENA → ENA Jul 9, 03:00 UTCJul 9, 05:50 UTC2h 50m
2026-07-07 N8417U ENA → ENA Jul 7, 04:40 UTCJul 7, 04:55 UTC15m
2026-07-07 N8417U ENA → ENA Jul 7, 04:05 UTCJul 7, 04:35 UTC30m
2026-07-07 N8417U ENA → ENA Jul 7, 03:55 UTCJul 7, 04:00 UTC5m
2026-07-07 N8417U ENA → ENA Jul 7, 02:00 UTCJul 7, 03:00 UTC1h 0m
2026-07-06 N8417U ENA → ENA Jul 6, 23:05 UTCJul 7, 00:05 UTC1h 0m
2026-07-06 N8417U ENA → ENA Jul 6, 01:15 UTCJul 6, 02:05 UTC50m
2026-07-04 N8417U ENA → ENA Jul 4, 04:50 UTCJul 4, 05:40 UTC50m
2026-07-04 N8417U ENA → ENA Jul 4, 02:30 UTCJul 4, 03:10 UTC40m
2026-07-03 N8417U SWD → ENA Jul 3, 23:25 UTCJul 4, 00:20 UTC55m
2026-07-03 N8417U ENA → SWD Jul 3, 22:05 UTCJul 3, 22:55 UTC50m
2026-07-03 N8417U ENA → ENA Jul 3, 18:35 UTCJul 3, 19:20 UTC45m
2026-07-03 N8417U ENA → ENA Jul 3, 16:35 UTCJul 3, 17:30 UTC55m
2026-07-03 N8417U ENA → ENA Jul 3, 06:35 UTCJul 3, 09:15 UTC2h 40m
2026-07-03 N8417U ENA → ENA Jul 3, 02:55 UTCJul 3, 03:25 UTC30m
2026-07-02 N8417U ENA → ENA Jul 2, 22:20 UTCJul 2, 23:40 UTC1h 20m
2026-07-02 N8417U ENA → ENA Jul 2, 03:25 UTCJul 2, 04:50 UTC1h 25m
2026-07-01 N8417U ENA → ENA Jul 1, 22:55 UTCJul 2, 00:50 UTC1h 55m
2026-07-01 N8417U - Jul 1, 18:00 UTCJul 1, 19:30 UTC1h 30m
2026-07-01 N8417U ENA → ENA Jul 1, 16:45 UTCJul 1, 17:20 UTC35m
2026-06-29 N8417U ENA → ENA Jun 29, 03:54 UTCJun 29, 05:20 UTC1h 25m
2026-06-29 N8417U ENA → ENA Jun 29, 01:20 UTCJun 29, 02:00 UTC40m
2026-06-28 N8417U - Jun 28, 02:29 UTCJun 28, 03:09 UTC40m
2026-06-28 N8417U ENA → HOM Jun 28, 00:45 UTCJun 28, 01:59 UTC1h 15m
2026-06-27 N8417U ENA → ENA Jun 27, 20:14 UTCJun 27, 22:09 UTC1h 55m
2026-06-25 N8417U ENA → ENA Jun 25, 03:59 UTCJun 25, 04:49 UTC50m
2026-06-25 N8417U ENA → ENA Jun 25, 01:09 UTCJun 25, 02:05 UTC55m
2026-06-24 N8417U ENA → ENA Jun 24, 22:49 UTCJun 24, 23:54 UTC1h 5m
2026-06-24 N8417U MRI → ENA Jun 24, 21:24 UTCJun 24, 22:04 UTC40m
2026-06-24 N8417U ENA → MRI Jun 24, 19:59 UTCJun 24, 20:44 UTC45m
2026-06-24 N8417U - Jun 24, 16:45 UTCJun 24, 17:14 UTC30m
2026-06-24 N8417U ENA → ENA Jun 24, 15:24 UTCJun 24, 16:05 UTC40m
2026-06-23 N8417U ENA → ENA Jun 23, 05:29 UTCJun 23, 06:55 UTC1h 25m
2026-06-23 N8417U ENA → ENA Jun 23, 02:45 UTCJun 23, 04:05 UTC1h 20m
2026-06-22 N8417U ENA → ENA Jun 22, 02:34 UTCJun 22, 03:30 UTC55m
2026-06-21 N8417U ENA → ENA Jun 21, 05:35 UTCJun 21, 06:24 UTC50m
2026-06-19 N8417U ENA → ENA Jun 19, 22:24 UTCJun 19, 23:29 UTC1h 5m
2026-06-19 N8417U ENA → ENA Jun 19, 17:44 UTCJun 19, 18:34 UTC50m
2026-06-19 N8417U ENA → ENA Jun 19, 01:39 UTCJun 19, 02:24 UTC45m
2026-06-19 N8417U - Jun 19, 00:00 UTCJun 19, 00:29 UTC29m
2026-06-18 N8417U - Jun 18, 22:10 UTCJun 18, 22:45 UTC35m
2026-06-18 N8417U ENA → ENA Jun 18, 01:30 UTCJun 18, 03:10 UTC1h 40m
2026-06-17 N8417U ENA → ENA Jun 17, 22:35 UTCJun 18, 00:10 UTC1h 35m
2026-06-17 N8417U HOM → ENA Jun 17, 03:55 UTCJun 17, 04:40 UTC45m

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 N8417U page for operator, model, and routing details .

Mode-S AB86F0 frequently asked

What is Mode-S code AB86F0?
AB86F0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8417U.
Where is Mode-S AB86F0 registered?
Mode-S code AB86F0 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 AB86F0 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 AB86F0, octal 52703360, decimal 11,241,200.
What flights does AB86F0 operate?
Mode-S AB86F0 has broadcast 1 distinct callsign, including N8417U.