Apparatus

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sensors Mode-S transponder

AB3ACA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8221F · CESSNA 150 · operated by DAKINS DEXTER D

Hex
AB3ACA
Octal
52635312
Decimal
11,221,706
Country
US
Tail
N8221F
Type
C150
No current signal · last broadcast Jul 25, 23:40 UTC
Flights observed
110
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 23:40 UTC

Last known position

Most recent position reported by Mode-S AB3ACA.

Country allocation

The ICAO 24-bit address AB3ACA 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
N8221F - 110 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N8221F - Jul 25, 22:45 UTCJul 25, 23:40 UTC55m
2026-07-25 N8221F - Jul 25, 19:55 UTCJul 25, 20:30 UTC35m
2026-07-25 N8221F - Jul 25, 18:40 UTCJul 25, 19:15 UTC35m
2026-07-25 N8221F - Jul 25, 16:55 UTCJul 25, 17:30 UTC35m
2026-07-25 N8221F - Jul 25, 15:45 UTCJul 25, 16:20 UTC35m
2026-07-24 N8221F - Jul 24, 17:40 UTCJul 24, 18:50 UTC1h 10m
2026-07-23 N8221F - Jul 23, 17:05 UTCJul 23, 18:05 UTC1h 0m
2026-07-22 N8221F - Jul 22, 18:10 UTCJul 22, 18:30 UTC20m
2026-07-22 N8221F - Jul 22, 17:00 UTCJul 22, 17:30 UTC30m
2026-07-21 N8221F - Jul 21, 15:20 UTCJul 21, 15:30 UTC10m
2026-07-20 N8221F - Jul 20, 17:30 UTCJul 20, 18:05 UTC35m
2026-07-20 N8221F - Jul 20, 14:50 UTCJul 20, 15:45 UTC55m
2026-07-11 N8221F - Jul 11, 17:25 UTCJul 11, 17:50 UTC25m
2026-07-11 N8221F - Jul 11, 16:15 UTCJul 11, 16:35 UTC20m
2026-07-10 N8221F - Jul 10, 21:00 UTCJul 10, 21:40 UTC40m
2026-07-10 N8221F - Jul 10, 17:40 UTCJul 10, 18:35 UTC55m
2026-07-10 N8221F - Jul 10, 13:40 UTCJul 10, 14:50 UTC1h 10m
2026-07-08 N8221F - Jul 8, 17:55 UTCJul 8, 18:55 UTC1h 0m
2026-07-06 N8221F - Jul 6, 17:55 UTCJul 6, 18:50 UTC55m
2026-07-06 N8221F - Jul 6, 13:55 UTCJul 6, 14:50 UTC55m
2026-07-03 N8221F - Jul 3, 16:40 UTCJul 3, 17:45 UTC1h 5m
2026-07-03 N8221F - Jul 3, 14:45 UTCJul 3, 15:45 UTC1h 0m
2026-07-03 N8221F - Jul 3, 12:50 UTCJul 3, 13:50 UTC1h 0m
2026-07-02 N8221F - Jul 2, 17:45 UTCJul 2, 18:40 UTC55m
2026-07-02 N8221F - Jul 2, 15:40 UTCJul 2, 16:45 UTC1h 5m
2026-07-02 N8221F - Jul 2, 13:40 UTCJul 2, 14:10 UTC30m
2026-07-01 N8221F - Jul 1, 15:40 UTCJul 1, 16:45 UTC1h 5m
2026-07-01 N8221F - Jul 1, 13:55 UTCJul 1, 14:50 UTC55m
2026-06-30 N8221F - Jun 30, 14:35 UTCJun 30, 15:05 UTC30m
2026-06-27 N8221F - Jun 27, 16:00 UTCJun 27, 16:49 UTC50m
2026-06-27 N8221F - Jun 27, 14:00 UTCJun 27, 15:05 UTC1h 5m
2026-06-26 N8221F - Jun 26, 22:10 UTCJun 26, 22:40 UTC30m
2026-06-26 N8221F - Jun 26, 17:54 UTCJun 26, 18:44 UTC50m
2026-06-26 N8221F - Jun 26, 15:54 UTCJun 26, 16:44 UTC50m
2026-06-26 N8221F - Jun 26, 13:49 UTCJun 26, 14:44 UTC55m
2026-06-25 N8221F - Jun 25, 14:24 UTCJun 25, 15:44 UTC1h 20m
2026-06-24 N8221F - Jun 24, 15:54 UTCJun 24, 16:45 UTC50m
2026-06-24 N8221F - Jun 24, 13:54 UTCJun 24, 14:50 UTC55m
2026-06-23 N8221F - Jun 23, 15:59 UTCJun 23, 17:39 UTC1h 40m
2026-06-19 N8221F - Jun 19, 13:39 UTCJun 19, 14:49 UTC1h 10m
2026-06-17 N8221F - Jun 17, 15:20 UTCJun 17, 15:40 UTC20m
2026-06-17 N8221F - Jun 17, 12:50 UTCJun 17, 13:55 UTC1h 5m
2026-06-15 N8221F - Jun 15, 16:55 UTCJun 15, 17:04 UTC10m
2026-06-15 N8221F - Jun 15, 15:59 UTCJun 15, 16:24 UTC25m
2026-06-15 N8221F - Jun 15, 14:05 UTCJun 15, 15:04 UTC1h 0m
2026-06-13 N8221F - Jun 13, 21:40 UTCJun 13, 22:35 UTC55m
2026-06-12 N8221F - Jun 12, 15:45 UTCJun 12, 16:50 UTC1h 5m
2026-06-11 N8221F - Jun 11, 19:35 UTCJun 11, 20:30 UTC55m
2026-06-11 N8221F - Jun 11, 17:50 UTCJun 11, 18:45 UTC55m
2026-06-10 N8221F - Jun 10, 17:35 UTCJun 10, 18:45 UTC1h 10m

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 N8221F page for operator, model, and routing details .

Mode-S AB3ACA frequently asked

What is Mode-S code AB3ACA?
AB3ACA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8221F.
Where is Mode-S AB3ACA registered?
Mode-S code AB3ACA 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 AB3ACA broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 23:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB3ACA, octal 52635312, decimal 11,221,706.
What flights does AB3ACA operate?
Mode-S AB3ACA has broadcast 1 distinct callsign, including N8221F.