Apparatus

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sensors Mode-S transponder

A1F384

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2249V · PIPER PA-28-140/150/160/180 · operated by MYSTERE FLYING CLUB INC

Hex
A1F384
Octal
50371604
Decimal
10,613,636
Country
US
Tail
N2249V
Type
P28A
No current signal · last broadcast Jul 25, 20:55 UTC
Flights observed
98
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 20:55 UTC

Last known position

Most recent position reported by Mode-S A1F384.

Country allocation

The ICAO 24-bit address A1F384 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
N2249V - 98 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N2249V - Jul 25, 20:00 UTCJul 25, 20:55 UTC55m
2026-07-25 N2249V - Jul 25, 18:20 UTCJul 25, 18:40 UTC20m
2026-07-25 N2249V CDW → CDW Jul 25, 01:10 UTCJul 25, 02:30 UTC1h 20m
2026-07-21 N2249V CDW → CDW Jul 21, 11:20 UTCJul 21, 12:00 UTC40m
2026-07-20 N2249V - Jul 20, 22:35 UTCJul 20, 23:25 UTC50m
2026-07-20 N2249V - Jul 20, 16:10 UTCJul 20, 16:55 UTC45m
2026-07-19 N2249V - Jul 19, 22:15 UTCJul 19, 23:30 UTC1h 15m
2026-07-19 N2249V - Jul 19, 14:00 UTCJul 19, 15:05 UTC1h 5m
2026-07-12 N2249V - Jul 12, 00:40 UTCJul 12, 02:15 UTC1h 35m
2026-07-08 N2249V - Jul 8, 19:15 UTCJul 8, 20:30 UTC1h 15m
2026-07-03 N2249V - Jul 3, 17:50 UTCJul 3, 18:10 UTC20m
2026-07-03 N2249V - Jul 3, 16:20 UTCJul 3, 17:10 UTC50m
2026-07-02 N2249V - Jul 2, 23:55 UTCJul 3, 00:10 UTC15m
2026-07-02 N2249V - Jul 2, 22:45 UTCJul 2, 23:15 UTC30m
2026-07-01 N2249V - Jul 1, 23:20 UTCJul 1, 23:50 UTC30m
2026-07-01 N2249V - Jul 1, 22:15 UTCJul 1, 22:45 UTC30m
2026-06-30 N2249V - Jun 30, 00:04 UTCJun 30, 00:20 UTC15m
2026-06-29 N2249V - Jun 29, 22:49 UTCJun 29, 23:14 UTC25m
2026-06-28 N2249V - Jun 28, 16:19 UTCJun 28, 18:25 UTC2h 5m
2026-06-26 N2249V - Jun 26, 22:44 UTCJun 27, 00:14 UTC1h 30m
2026-06-26 N2249V - Jun 26, 01:05 UTCJun 26, 01:39 UTC35m
2026-06-25 N2249V - Jun 25, 22:34 UTCJun 26, 00:05 UTC1h 30m
2026-06-25 N2249V CDW → CDW Jun 25, 00:49 UTCJun 25, 01:30 UTC40m
2026-06-23 N2249V - Jun 23, 22:19 UTCJun 24, 00:05 UTC1h 45m
2026-06-23 N2249V - Jun 23, 19:34 UTCJun 23, 20:49 UTC1h 15m
2026-06-22 N2249V - Jun 22, 00:14 UTCJun 22, 00:50 UTC35m
2026-06-21 N2249V - Jun 21, 22:29 UTCJun 21, 23:30 UTC1h 0m
2026-06-21 N2249V - Jun 21, 15:19 UTCJun 21, 15:54 UTC35m
2026-06-21 N2249V - Jun 21, 14:05 UTCJun 21, 14:44 UTC40m
2026-06-20 N2249V CDW → CDW Jun 20, 23:59 UTCJun 21, 00:40 UTC40m
2026-06-19 N2249V - Jun 19, 13:14 UTCJun 19, 14:54 UTC1h 40m
2026-06-17 N2249V CDW → CDW Jun 17, 02:35 UTCJun 17, 03:35 UTC1h 0m
2026-06-16 N2249V - Jun 16, 13:00 UTCJun 16, 15:00 UTC2h 0m
2026-06-15 N2249V - Jun 15, 16:45 UTCJun 15, 17:15 UTC30m
2026-06-15 N2249V - Jun 15, 12:30 UTCJun 15, 13:00 UTC30m
2026-06-14 N2249V - Jun 14, 14:00 UTCJun 14, 16:00 UTC2h 0m
2026-06-13 N2249V - Jun 13, 17:55 UTCJun 13, 18:15 UTC20m
2026-06-13 N2249V - Jun 13, 15:20 UTCJun 13, 15:40 UTC20m
2026-06-12 N2249V - Jun 12, 15:25 UTCJun 12, 16:15 UTC50m
2026-06-12 N2249V - Jun 12, 13:55 UTCJun 12, 14:50 UTC55m
2026-06-11 N2249V - Jun 11, 14:45 UTCJun 11, 14:55 UTC10m
2026-06-11 N2249V - Jun 11, 12:20 UTCJun 11, 13:55 UTC1h 35m
2026-06-10 N2249V - Jun 10, 17:05 UTCJun 10, 18:35 UTC1h 30m
2026-06-10 N2249V - Jun 10, 16:00 UTCJun 10, 16:20 UTC20m
2026-06-10 N2249V - Jun 10, 00:35 UTCJun 10, 01:10 UTC35m
2026-06-09 N2249V - Jun 9, 23:15 UTCJun 9, 23:50 UTC35m
2026-06-09 N2249V - Jun 9, 21:55 UTCJun 9, 22:15 UTC20m
2026-06-09 N2249V - Jun 9, 17:10 UTCJun 9, 17:30 UTC20m
2026-05-31 N2249V - May 31, 19:50 UTCMay 31, 20:10 UTC20m
2026-05-31 N2249V - May 31, 18:10 UTCMay 31, 19:10 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 N2249V page for operator, model, and routing details .

Mode-S A1F384 frequently asked

What is Mode-S code A1F384?
A1F384 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2249V.
Where is Mode-S A1F384 registered?
Mode-S code A1F384 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 A1F384 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 20:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1F384, octal 50371604, decimal 10,613,636.
What flights does A1F384 operate?
Mode-S A1F384 has broadcast 1 distinct callsign, including N2249V.