Apparatus

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sensors Mode-S transponder

A9AAF3

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N72194 · CESSNA T206 Turbo Stationair · operated by SKYDIVE KY LLC

Hex
A9AAF3
Octal
52325363
Decimal
11,119,347
Country
US
Tail
N72194
Type
T206
No current signal · last broadcast 6h ago
Flights observed
85
Distinct callsigns
1
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S A9AAF3.

Country allocation

The ICAO 24-bit address A9AAF3 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
N72194 - 85 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 N72194 - Jul 18, 19:00 UTCJul 18, 22:20 UTC3h 20m
2026-07-18 N72194 - Jul 18, 18:10 UTCJul 18, 18:30 UTC20m
2026-07-18 N72194 - Jul 18, 17:20 UTCJul 18, 17:40 UTC20m
2026-07-18 N72194 - Jul 18, 16:40 UTCJul 18, 16:50 UTC10m
2026-07-18 N72194 - Jul 18, 14:20 UTCJul 18, 16:05 UTC1h 45m
2026-07-13 N72194 - Jul 13, 00:25 UTCJul 13, 00:35 UTC10m
2026-07-12 N72194 EKX → EKX Jul 12, 22:35 UTCJul 12, 22:45 UTC10m
2026-07-12 N72194 - Jul 12, 20:45 UTCJul 12, 21:00 UTC15m
2026-07-12 N72194 - Jul 12, 16:55 UTCJul 12, 17:05 UTC10m
2026-07-05 N72194 - Jul 5, 21:10 UTCJul 5, 22:05 UTC55m
2026-07-05 N72194 - Jul 5, 19:50 UTCJul 5, 20:05 UTC15m
2026-07-05 N72194 - Jul 5, 15:05 UTCJul 5, 15:55 UTC50m
2026-07-04 N72194 - Jul 4, 20:15 UTCJul 4, 20:35 UTC20m
2026-07-04 N72194 - Jul 4, 18:55 UTCJul 4, 19:15 UTC20m
2026-07-04 N72194 - Jul 4, 14:50 UTCJul 4, 18:10 UTC3h 20m
2026-07-03 N72194 - Jul 3, 21:15 UTCJul 3, 21:35 UTC20m
2026-07-03 N72194 - Jul 3, 20:05 UTCJul 3, 20:25 UTC20m
2026-07-03 N72194 - Jul 3, 18:10 UTCJul 3, 19:15 UTC1h 5m
2026-07-03 N72194 - Jul 3, 16:50 UTCJul 3, 17:10 UTC20m
2026-07-03 N72194 - Jul 3, 15:10 UTCJul 3, 16:10 UTC1h 0m
2026-06-21 N72194 - Jun 21, 19:55 UTCJun 21, 20:09 UTC15m
2026-06-21 N72194 - Jun 21, 18:35 UTCJun 21, 18:44 UTC10m
2026-06-21 N72194 - Jun 21, 17:50 UTCJun 21, 18:04 UTC15m
2026-06-21 N72194 - Jun 21, 16:04 UTCJun 21, 16:59 UTC55m
2026-06-21 N72194 - Jun 21, 14:05 UTCJun 21, 14:54 UTC50m
2026-06-20 N72194 - Jun 20, 22:05 UTCJun 20, 23:34 UTC1h 30m
2026-06-20 N72194 - Jun 20, 19:34 UTCJun 20, 20:20 UTC45m
2026-06-20 N72194 - Jun 20, 16:59 UTCJun 20, 18:54 UTC1h 55m
2026-06-20 N72194 - Jun 20, 14:09 UTCJun 20, 16:24 UTC2h 15m
2026-06-19 N72194 - Jun 19, 20:40 UTCJun 19, 20:55 UTC15m
2026-06-19 N72194 - Jun 19, 19:09 UTCJun 19, 20:04 UTC55m
2026-06-19 N72194 - Jun 19, 17:24 UTCJun 19, 17:49 UTC25m
2026-06-19 N72194 - Jun 19, 16:09 UTCJun 19, 16:29 UTC20m
2026-06-13 N72194 - Jun 13, 21:35 UTCJun 14, 01:05 UTC3h 30m
2026-06-13 N72194 - Jun 13, 19:50 UTCJun 13, 20:55 UTC1h 5m
2026-06-13 N72194 - Jun 13, 14:30 UTCJun 13, 19:20 UTC4h 50m
2026-06-13 N72194 - Jun 13, 13:40 UTCJun 13, 13:55 UTC15m
2026-06-07 N72194 - Jun 7, 18:35 UTCJun 7, 18:50 UTC15m
2026-06-07 N72194 - Jun 7, 17:20 UTCJun 7, 18:05 UTC45m
2026-06-07 N72194 - Jun 7, 16:10 UTCJun 7, 16:25 UTC15m
2026-06-07 N72194 - Jun 7, 14:15 UTCJun 7, 14:35 UTC20m
2026-06-06 N72194 - Jun 6, 15:25 UTCJun 6, 22:44 UTC7h 20m
2026-06-06 N72194 - Jun 6, 14:09 UTCJun 6, 14:30 UTC20m
2026-06-05 N72194 - Jun 5, 22:05 UTCJun 5, 22:20 UTC15m
2026-06-01 N72194 - Jun 1, 14:25 UTCJun 1, 14:40 UTC15m
2026-05-31 N72194 - May 31, 20:30 UTCMay 31, 21:25 UTC55m
2026-05-31 N72194 - May 31, 19:30 UTCMay 31, 19:45 UTC15m
2026-05-31 N72194 - May 31, 18:25 UTCMay 31, 18:45 UTC20m
2026-05-31 N72194 - May 31, 17:10 UTCMay 31, 17:25 UTC15m
2026-05-31 N72194 - May 31, 16:20 UTCMay 31, 16:40 UTC20m

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 N72194 page for operator, model, and routing details .

Mode-S A9AAF3 frequently asked

What is Mode-S code A9AAF3?
A9AAF3 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N72194.
Where is Mode-S A9AAF3 registered?
Mode-S code A9AAF3 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 A9AAF3 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 A9AAF3, octal 52325363, decimal 11,119,347.
What flights does A9AAF3 operate?
Mode-S A9AAF3 has broadcast 1 distinct callsign, including N72194.