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sensors Mode-S transponder

AD6AE4

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N9639F · CESSNA 208 Caravan · operated by TIMUUU INC

Hex
AD6AE4
Octal
53265344
Decimal
11,365,092
Country
US
Tail
N9639F
Type
C208
No current signal · last broadcast 1d ago
Flights observed
105
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AD6AE4.

Country allocation

The ICAO 24-bit address AD6AE4 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
N9639F - 105 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 N9639F - Jul 12, 20:05 UTCJul 12, 21:15 UTC1h 10m
2026-07-12 N9639F - Jul 12, 17:35 UTCJul 12, 17:50 UTC15m
2026-07-12 N9639F - Jul 12, 16:35 UTCJul 12, 16:55 UTC20m
2026-07-12 N9639F - Jul 12, 14:50 UTCJul 12, 16:01 UTC1h 10m
2026-07-12 N9639F - Jul 12, 13:25 UTCJul 12, 14:10 UTC45m
2026-07-11 N9639F - Jul 11, 23:50 UTCJul 12, 00:20 UTC30m
2026-07-11 N9639F - Jul 11, 22:25 UTCJul 11, 22:40 UTC15m
2026-07-11 N9639F - Jul 11, 16:30 UTCJul 11, 20:50 UTC4h 20m
2026-07-11 N9639F - Jul 11, 15:05 UTCJul 11, 15:45 UTC40m
2026-07-11 N9639F - Jul 11, 14:15 UTCJul 11, 14:30 UTC15m
2026-07-11 N9639F - Jul 11, 13:00 UTCJul 11, 13:20 UTC20m
2026-07-05 N9639F - Jul 5, 22:30 UTCJul 5, 22:50 UTC20m
2026-07-05 N9639F - Jul 5, 21:35 UTCJul 5, 21:55 UTC20m
2026-07-05 N9639F - Jul 5, 20:20 UTCJul 5, 20:40 UTC20m
2026-07-05 N9639F - Jul 5, 18:50 UTCJul 5, 19:15 UTC25m
2026-07-05 N9639F - Jul 5, 17:15 UTCJul 5, 18:10 UTC55m
2026-07-05 N9639F - Jul 5, 02:05 UTCJul 5, 02:35 UTC30m
2026-07-05 N9639F - Jul 5, 00:45 UTCJul 5, 01:05 UTC20m
2026-07-04 N9639F - Jul 4, 23:50 UTCJul 5, 00:10 UTC20m
2026-07-04 N9639F - Jul 4, 22:35 UTCJul 4, 22:55 UTC20m
2026-07-04 N9639F - Jul 4, 19:25 UTCJul 4, 19:40 UTC15m
2026-07-04 N9639F - Jul 4, 18:10 UTCJul 4, 18:25 UTC15m
2026-07-04 N9639F - Jul 4, 16:50 UTCJul 4, 17:00 UTC10m
2026-07-03 N9639F - Jul 3, 18:20 UTCJul 3, 18:40 UTC20m
2026-07-03 N9639F - Jul 3, 15:30 UTCJul 3, 16:50 UTC1h 20m
2026-06-28 N9639F - Jun 28, 22:45 UTCJun 28, 23:04 UTC20m
2026-06-28 N9639F - Jun 28, 21:20 UTCJun 28, 21:40 UTC20m
2026-06-28 N9639F - Jun 28, 19:29 UTCJun 28, 20:19 UTC50m
2026-06-28 N9639F - Jun 28, 17:34 UTCJun 28, 18:55 UTC1h 20m
2026-06-28 N9639F - Jun 28, 15:44 UTCJun 28, 16:35 UTC50m
2026-06-28 N9639F - Jun 28, 13:10 UTCJun 28, 15:09 UTC2h 0m
2026-06-27 N9639F - Jun 27, 23:14 UTCJun 27, 23:34 UTC20m
2026-06-27 N9639F - Jun 27, 20:29 UTCJun 27, 22:25 UTC1h 55m
2026-06-27 N9639F - Jun 27, 17:49 UTCJun 27, 19:34 UTC1h 45m
2026-06-27 N9639F - Jun 27, 15:30 UTCJun 27, 17:14 UTC1h 45m
2026-06-27 N9639F - Jun 27, 14:14 UTCJun 27, 14:54 UTC40m
2026-06-26 N9639F - Jun 26, 20:34 UTCJun 26, 20:55 UTC20m
2026-06-26 N9639F - Jun 26, 18:24 UTCJun 26, 18:44 UTC20m
2026-06-26 N9639F - Jun 26, 17:25 UTCJun 26, 17:44 UTC20m
2026-06-21 N9639F - Jun 21, 22:40 UTCJun 21, 23:05 UTC25m
2026-06-21 N9639F - Jun 21, 21:24 UTCJun 21, 21:39 UTC15m
2026-06-21 N9639F - Jun 21, 20:14 UTCJun 21, 20:34 UTC20m
2026-06-21 N9639F - Jun 21, 19:05 UTCJun 21, 19:24 UTC20m
2026-06-21 N9639F - Jun 21, 15:49 UTCJun 21, 16:10 UTC20m
2026-06-21 N9639F - Jun 21, 14:40 UTCJun 21, 14:59 UTC20m
2026-06-21 N9639F - Jun 21, 13:04 UTCJun 21, 13:24 UTC20m
2026-06-20 N9639F - Jun 20, 20:00 UTCJun 20, 20:20 UTC20m
2026-06-20 N9639F - Jun 20, 18:40 UTCJun 20, 18:54 UTC15m
2026-06-20 N9639F - Jun 20, 17:04 UTCJun 20, 17:49 UTC45m
2026-06-20 N9639F - Jun 20, 14:39 UTCJun 20, 16:29 UTC1h 50m

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 N9639F page for operator, model, and routing details .

Mode-S AD6AE4 frequently asked

What is Mode-S code AD6AE4?
AD6AE4 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N9639F.
Where is Mode-S AD6AE4 registered?
Mode-S code AD6AE4 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 AD6AE4 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD6AE4, octal 53265344, decimal 11,365,092.
What flights does AD6AE4 operate?
Mode-S AD6AE4 has broadcast 1 distinct callsign, including N9639F.