Apparatus

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sensors Mode-S transponder

A50E46

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N425AV · operated by WESTWIND SCHOOL OR AERONAUTICS PHOENIX LLC DBA, UNITED AVIATE ACADEMY

Hex
A50E46
Octal
51207106
Decimal
10,817,094
Country
US
Tail
N425AV
Type
SR20
No current signal · last broadcast 1d ago
Flights observed
127
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A50E46.

Country allocation

The ICAO 24-bit address A50E46 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
VAR425 - 127 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-29 VAR425 - Jun 29, 22:44 UTCJun 30, 01:00 UTC2h 15m
2026-06-29 VAR425 GYR → GYR Jun 29, 19:35 UTCJun 29, 22:05 UTC2h 30m
2026-06-29 VAR425 - Jun 29, 03:25 UTCJun 29, 05:45 UTC2h 20m
2026-06-28 VAR425 GYR → GYR Jun 28, 22:59 UTCJun 29, 01:25 UTC2h 25m
2026-06-28 VAR425 GYR → GYR Jun 28, 19:34 UTCJun 28, 20:39 UTC1h 5m
2026-06-28 VAR425 GYR → GYR Jun 28, 15:20 UTCJun 28, 18:05 UTC2h 45m
2026-06-28 VAR425 GYR → GYR Jun 28, 03:50 UTCJun 28, 05:55 UTC2h 5m
2026-06-27 VAR425 GYR → GYR Jun 27, 17:59 UTCJun 27, 18:09 UTC10m
2026-06-27 VAR425 GYR → GYR Jun 27, 16:04 UTCJun 27, 17:49 UTC1h 45m
2026-06-27 VAR425 GYR → GYR Jun 27, 00:44 UTCJun 27, 02:29 UTC1h 45m
2026-06-26 VAR425 GYR → GYR Jun 26, 20:24 UTCJun 26, 20:55 UTC30m
2026-06-26 VAR425 GYR → GYR Jun 26, 17:44 UTCJun 26, 19:14 UTC1h 30m
2026-06-26 VAR425 GYR → GYR Jun 26, 17:09 UTCJun 26, 17:15 UTC5m
2026-06-25 VAR425 GYR → GYR Jun 25, 21:10 UTCJun 25, 22:54 UTC1h 45m
2026-06-25 VAR425 GYR → GYR Jun 25, 18:15 UTCJun 25, 19:59 UTC1h 45m
2026-06-25 VAR425 GYR → GYR Jun 25, 15:15 UTCJun 25, 15:50 UTC35m
2026-06-25 VAR425 GYR → GYR Jun 25, 03:24 UTCJun 25, 04:40 UTC1h 15m
2026-06-24 VAR425 GYR → GYR Jun 24, 22:39 UTCJun 25, 00:35 UTC1h 55m
2026-06-24 VAR425 GYR → GYR Jun 24, 15:44 UTCJun 24, 17:20 UTC1h 35m
2026-06-24 VAR425 HII → GYR Jun 24, 00:20 UTCJun 24, 02:34 UTC2h 15m
2026-06-23 VAR425 GYR → HII Jun 23, 20:49 UTCJun 23, 23:00 UTC2h 10m
2026-06-23 VAR425 - Jun 23, 18:45 UTCJun 23, 19:44 UTC1h 0m
2026-06-23 VAR425 - Jun 23, 17:59 UTCJun 23, 18:14 UTC15m
2026-06-22 VAR425 - Jun 22, 22:54 UTCJun 23, 01:10 UTC2h 15m
2026-06-22 VAR425 GYR → BXK Jun 22, 19:44 UTCJun 22, 22:05 UTC2h 20m
2026-06-22 VAR425 GYR → GYR Jun 22, 17:25 UTCJun 22, 18:40 UTC1h 15m
2026-06-22 VAR425 GYR → GYR Jun 22, 04:44 UTCJun 22, 06:10 UTC1h 25m
2026-06-22 VAR425 GYR → GYR Jun 22, 00:04 UTCJun 22, 01:35 UTC1h 30m
2026-06-21 VAR425 GYR → GYR Jun 21, 19:05 UTCJun 21, 20:29 UTC1h 25m
2026-06-08 VAR425 GYR → GYR Jun 8, 16:00 UTCJun 8, 16:50 UTC50m
2026-06-06 VAR425 GYR → GYR Jun 6, 19:34 UTCJun 6, 20:14 UTC40m
2026-06-04 VAR425 GYR → GYR Jun 4, 14:40 UTCJun 4, 14:50 UTC10m
2026-06-02 VAR425 GYR → GYR Jun 2, 03:15 UTCJun 2, 04:55 UTC1h 40m
2026-06-01 VAR425 GYR → GYR Jun 1, 20:35 UTCJun 1, 22:00 UTC1h 25m
2026-06-01 VAR425 GYR → GYR Jun 1, 15:40 UTCJun 1, 16:50 UTC1h 10m
2026-06-01 VAR425 - Jun 1, 00:25 UTCJun 1, 01:35 UTC1h 10m
2026-05-31 VAR425 GYR → GYR May 31, 20:40 UTCMay 31, 22:05 UTC1h 25m
2026-05-31 VAR425 GYR → GYR May 31, 17:55 UTCMay 31, 19:00 UTC1h 5m
2026-05-28 VAR425 GYR → GYR May 28, 22:05 UTCMay 28, 23:35 UTC1h 30m
2026-05-25 VAR425 GYR → GYR May 25, 16:50 UTCMay 25, 17:50 UTC1h 0m
2026-05-23 VAR425 GYR → GYR May 23, 14:40 UTCMay 23, 15:25 UTC45m
2026-05-22 VAR425 GYR → GYR May 22, 23:00 UTCMay 23, 00:40 UTC1h 40m
2026-05-22 VAR425 GYR → GYR May 22, 16:05 UTCMay 22, 17:20 UTC1h 15m
2026-05-21 VAR425 GYR → GYR May 21, 23:15 UTCMay 22, 00:05 UTC50m
2026-05-21 VAR425 GYR → GYR May 21, 18:25 UTCMay 21, 20:15 UTC1h 50m
2026-05-21 VAR425 GYR → GYR May 21, 04:25 UTCMay 21, 06:10 UTC1h 45m
2026-05-21 VAR425 - May 21, 03:55 UTCMay 21, 04:05 UTC10m
2026-05-21 VAR425 - May 21, 03:40 UTCMay 21, 03:45 UTC5m
2026-05-21 VAR425 GYR → GYR May 21, 03:25 UTCMay 21, 03:35 UTC10m
2026-05-21 VAR425 GYR → GYR May 21, 00:40 UTCMay 21, 02:15 UTC1h 35m

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 N425AV page for operator, model, and routing details .

Mode-S A50E46 frequently asked

What is Mode-S code A50E46?
A50E46 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N425AV.
Where is Mode-S A50E46 registered?
Mode-S code A50E46 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 A50E46 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 A50E46, octal 51207106, decimal 10,817,094.
What flights does A50E46 operate?
Mode-S A50E46 has broadcast 1 distinct callsign, including VAR425.