Apparatus

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sensors Mode-S transponder

AC9C5F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N911WJ · HUGHES 500 · operated by POLK COUNTY SHERIFFS OFFICE

Hex
AC9C5F
Octal
53116137
Decimal
11,312,223
Country
US
Tail
N911WJ
Type
H500
No current signal · last broadcast 2d ago
Flights observed
60
Distinct callsigns
1
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AC9C5F.

Country allocation

The ICAO 24-bit address AC9C5F 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
N911WJ - 59 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-28 N911WJ - May 28, 07:40 UTCMay 28, 08:05 UTC25m
2026-05-23 N911WJ BOW → BOW May 23, 06:50 UTCMay 23, 07:15 UTC25m
2026-05-21 N911WJ - May 21, 06:25 UTCMay 21, 09:00 UTC2h 35m
2026-05-20 N911WJ - May 20, 05:25 UTCMay 20, 07:40 UTC2h 15m
2026-05-15 N911WJ - May 15, 19:25 UTCMay 15, 19:40 UTC15m
2026-05-14 N911WJ - May 14, 19:40 UTCMay 14, 20:10 UTC30m
2026-05-04 N911WJ - May 4, 23:25 UTCMay 4, 23:40 UTC15m
2026-05-04 N911WJ - May 4, 22:35 UTCMay 4, 23:20 UTC45m
2026-05-04 N911WJ - May 4, 16:45 UTCMay 4, 17:10 UTC25m
2026-05-04 N911WJ - May 4, 02:00 UTCMay 4, 03:49 UTC1h 50m
2026-05-02 N911WJ - May 2, 00:20 UTCMay 2, 00:50 UTC30m
2026-05-01 N911WJ - May 1, 08:05 UTCMay 1, 08:25 UTC20m
2026-05-01 N911WJ - May 1, 04:10 UTCMay 1, 04:40 UTC30m
2026-04-30 N911WJ - Apr 30, 07:35 UTCApr 30, 07:55 UTC20m
2026-04-30 N911WJ - Apr 30, 03:25 UTCApr 30, 04:45 UTC1h 20m
2026-04-30 N911WJ - Apr 30, 02:05 UTCApr 30, 02:15 UTC10m
2026-04-30 N911WJ - Apr 30, 01:10 UTCApr 30, 01:20 UTC10m
2026-04-29 N911WJ - Apr 29, 09:45 UTCApr 29, 10:20 UTC35m
2026-04-29 N911WJ - Apr 29, 06:45 UTCApr 29, 07:50 UTC1h 5m
2026-04-28 N911WJ - Apr 28, 21:50 UTCApr 28, 22:10 UTC20m
2026-04-28 - - Apr 28, 14:45 UTCApr 28, 14:55 UTC10m
2026-04-27 N911WJ - Apr 27, 01:50 UTCApr 27, 02:50 UTC1h 0m
2026-04-26 N911WJ - Apr 26, 07:45 UTCApr 26, 08:45 UTC1h 0m
2026-04-26 N911WJ - Apr 26, 03:50 UTCApr 26, 05:15 UTC1h 25m
2026-04-25 N911WJ - Apr 25, 23:50 UTCApr 26, 00:00 UTC10m
2026-04-25 N911WJ - Apr 25, 10:05 UTCApr 25, 10:55 UTC50m
2026-04-25 N911WJ - Apr 25, 05:20 UTCApr 25, 06:20 UTC1h 0m
2026-04-25 N911WJ - Apr 25, 04:05 UTCApr 25, 04:35 UTC30m
2026-04-24 N911WJ - Apr 24, 23:55 UTCApr 25, 02:00 UTC2h 5m
2026-04-24 N911WJ - Apr 24, 06:50 UTCApr 24, 07:35 UTC45m
2026-04-23 N911WJ - Apr 23, 11:55 UTCApr 23, 12:50 UTC55m
2026-04-23 N911WJ BOW → BOW Apr 23, 07:35 UTCApr 23, 09:10 UTC1h 35m
2026-04-23 N911WJ - Apr 23, 05:30 UTCApr 23, 07:01 UTC1h 30m
2026-04-23 N911WJ - Apr 23, 00:15 UTCApr 23, 00:30 UTC15m
2026-04-22 N911WJ - Apr 22, 08:55 UTCApr 22, 09:10 UTC15m
2026-04-22 N911WJ - Apr 22, 03:05 UTCApr 22, 05:40 UTC2h 35m
2026-04-22 N911WJ - Apr 22, 01:55 UTCApr 22, 03:00 UTC1h 5m
2026-04-21 N911WJ - Apr 21, 19:30 UTCApr 21, 19:50 UTC20m
2026-04-21 N911WJ - Apr 21, 13:20 UTCApr 21, 13:45 UTC25m
2026-04-21 N911WJ - Apr 21, 06:55 UTCApr 21, 07:35 UTC40m
2026-04-21 N911WJ - Apr 21, 05:20 UTCApr 21, 06:10 UTC50m
2026-04-20 N911WJ - Apr 20, 21:35 UTCApr 20, 23:10 UTC1h 35m
2026-04-20 N911WJ - Apr 20, 19:10 UTCApr 20, 19:40 UTC30m
2026-04-20 N911WJ - Apr 20, 04:15 UTCApr 20, 04:40 UTC25m
2026-04-20 N911WJ - Apr 20, 02:45 UTCApr 20, 03:10 UTC25m
2026-04-19 N911WJ - Apr 19, 05:15 UTCApr 19, 05:35 UTC20m
2026-04-17 N911WJ - Apr 17, 23:35 UTCApr 18, 00:10 UTC35m
2026-04-17 N911WJ - Apr 17, 15:25 UTCApr 17, 16:35 UTC1h 10m
2026-04-17 N911WJ - Apr 17, 09:20 UTCApr 17, 09:40 UTC20m
2026-04-17 N911WJ - Apr 17, 09:00 UTCApr 17, 09:15 UTC15m

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 N911WJ page for operator, model, and routing details .

Mode-S AC9C5F frequently asked

What is Mode-S code AC9C5F?
AC9C5F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N911WJ.
Where is Mode-S AC9C5F registered?
Mode-S code AC9C5F 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 AC9C5F broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC9C5F, octal 53116137, decimal 11,312,223.
What flights does AC9C5F operate?
Mode-S AC9C5F has broadcast 1 distinct callsign, including N911WJ.