Apparatus

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sensors Mode-S transponder

AA9F5C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N78395 · CESSNA 172 Skyhawk · operated by FGDS LLC

Hex
AA9F5C
Octal
52517534
Decimal
11,181,916
Country
US
Tail
N78395
Type
C172
No current signal · last broadcast 3h ago
Flights observed
49
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AA9F5C.

Country allocation

The ICAO 24-bit address AA9F5C 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
N78395 - 49 2026-07-14

Recent flights last 49

DateFlightRouteTakeoffLandingDuration
2026-07-14 N78395 - Jul 14, 22:30 UTCJul 14, 22:50 UTC19m
2026-07-13 N78395 - Jul 13, 14:25 UTCJul 13, 14:40 UTC15m
2026-07-03 N78395 - Jul 3, 15:05 UTCJul 3, 15:55 UTC50m
2026-07-03 N78395 - Jul 3, 13:15 UTCJul 3, 13:50 UTC35m
2026-06-30 N78395 - Jun 30, 15:40 UTCJun 30, 16:45 UTC1h 5m
2026-06-30 N78395 - Jun 30, 13:45 UTCJun 30, 14:35 UTC50m
2026-06-24 N78395 LOU → LOU Jun 24, 13:44 UTCJun 24, 14:55 UTC1h 10m
2026-06-20 N78395 - Jun 20, 20:25 UTCJun 20, 21:00 UTC35m
2026-06-20 N78395 - Jun 20, 18:10 UTCJun 20, 19:19 UTC1h 10m
2026-06-19 N78395 LOU → LOU Jun 19, 13:59 UTCJun 19, 15:14 UTC1h 15m
2026-06-16 N78395 - Jun 16, 16:30 UTCJun 16, 16:55 UTC25m
2026-06-15 N78395 LOU → LOU Jun 15, 21:40 UTCJun 15, 22:54 UTC1h 15m
2026-06-13 N78395 - Jun 13, 17:20 UTCJun 13, 17:50 UTC30m
2026-06-13 N78395 LOU → LOU Jun 13, 14:45 UTCJun 13, 15:55 UTC1h 10m
2026-06-12 N78395 - Jun 12, 20:10 UTCJun 12, 21:55 UTC1h 45m
2026-06-11 N78395 - Jun 11, 19:55 UTCJun 11, 20:50 UTC55m
2026-06-11 N78395 - Jun 11, 16:05 UTCJun 11, 17:55 UTC1h 50m
2026-06-10 N78395 - Jun 10, 23:45 UTCJun 11, 01:05 UTC1h 20m
2026-06-10 N78395 - Jun 10, 17:45 UTCJun 10, 19:10 UTC1h 25m
2026-06-07 N78395 - Jun 7, 15:20 UTCJun 7, 15:50 UTC30m
2026-06-07 N78395 - Jun 7, 14:15 UTCJun 7, 14:40 UTC25m
2026-06-05 N78395 - Jun 5, 14:50 UTCJun 5, 15:50 UTC1h 0m
2026-06-04 N78395 LOU → LOU Jun 4, 18:40 UTCJun 4, 19:50 UTC1h 10m
2026-06-04 N78395 - Jun 4, 16:35 UTCJun 4, 17:40 UTC1h 5m
2026-06-03 N78395 - Jun 3, 15:40 UTCJun 3, 16:50 UTC1h 10m
2026-06-02 N78395 - Jun 2, 23:25 UTCJun 3, 00:15 UTC50m
2026-06-02 N78395 - Jun 2, 16:30 UTCJun 2, 17:15 UTC45m
2026-06-02 N78395 - Jun 2, 13:55 UTCJun 2, 15:40 UTC1h 45m
2026-05-28 N78395 - May 28, 22:35 UTCMay 28, 23:15 UTC40m
2026-05-14 N78395 - May 14, 18:30 UTCMay 14, 19:55 UTC1h 25m
2026-05-13 N78395 LOU → LOU May 13, 15:30 UTCMay 13, 16:40 UTC1h 10m
2026-05-12 N78395 LOU → LOU May 12, 22:20 UTCMay 13, 00:05 UTC1h 45m
2026-05-12 N78395 LOU → LOU May 12, 13:45 UTCMay 12, 14:35 UTC50m
2026-05-11 N78395 - May 11, 18:20 UTCMay 11, 18:55 UTC35m
2026-05-08 N78395 LOU → LOU May 8, 19:15 UTCMay 8, 19:55 UTC40m
2026-05-07 N78395 - May 7, 22:25 UTCMay 7, 23:19 UTC54m
2026-05-07 N78395 LOU → LOU May 7, 19:55 UTCMay 7, 21:30 UTC1h 35m
2026-04-30 N78395 - Apr 30, 14:50 UTCApr 30, 16:05 UTC1h 15m
2026-04-30 N78395 - Apr 30, 12:30 UTCApr 30, 13:50 UTC1h 20m
2026-04-26 N78395 - Apr 26, 20:25 UTCApr 26, 20:35 UTC10m
2026-04-24 N78395 - Apr 24, 19:00 UTCApr 24, 19:15 UTC15m
2026-04-24 N78395 - Apr 24, 18:15 UTCApr 24, 18:25 UTC10m
2026-04-24 N78395 - Apr 24, 16:25 UTCApr 24, 17:30 UTC1h 5m
2026-04-23 N78395 LOU → LOU Apr 23, 17:35 UTCApr 23, 18:35 UTC59m
2026-04-23 N78395 - Apr 23, 14:15 UTCApr 23, 14:55 UTC40m
2026-04-20 N78395 - Apr 20, 19:35 UTCApr 20, 20:05 UTC30m
2026-04-20 N78395 - Apr 20, 17:00 UTCApr 20, 17:25 UTC25m
2026-04-20 N78395 LOU → LOU Apr 20, 15:00 UTCApr 20, 15:45 UTC45m
2026-04-16 N78395 - Apr 16, 15:45 UTCApr 16, 16:45 UTC1h 0m

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 N78395 page for operator, model, and routing details .

Mode-S AA9F5C frequently asked

What is Mode-S code AA9F5C?
AA9F5C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N78395.
Where is Mode-S AA9F5C registered?
Mode-S code AA9F5C 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 AA9F5C broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA9F5C, octal 52517534, decimal 11,181,916.
What flights does AA9F5C operate?
Mode-S AA9F5C has broadcast 1 distinct callsign, including N78395.