Apparatus

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sensors Mode-S transponder

A5D00A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N474AV · operated by WESTWIND SCHOOL OF AERONAUTICS PHOENIX LLC DBA, UNITED AVIATE ACADEMY

Hex
A5D00A
Octal
51350012
Decimal
10,866,698
Country
US
Tail
N474AV
Type
SR20
No current signal · last broadcast 10h ago
Flights observed
132
Distinct callsigns
1
Country
US
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S A5D00A.

Country allocation

The ICAO 24-bit address A5D00A 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
VAR474 - 132 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 VAR474 - Jul 18, 01:10 UTCJul 18, 02:00 UTC50m
2026-07-17 VAR474 - Jul 17, 23:45 UTCJul 18, 00:25 UTC40m
2026-07-17 VAR474 - Jul 17, 20:15 UTCJul 17, 22:20 UTC2h 5m
2026-07-10 VAR474 - Jul 10, 22:35 UTCJul 10, 23:40 UTC1h 5m
2026-07-10 VAR474 GYR → HII Jul 10, 21:05 UTCJul 10, 22:30 UTC1h 25m
2026-07-09 VAR474 - Jul 9, 03:20 UTCJul 9, 04:05 UTC45m
2026-07-09 VAR474 - Jul 9, 01:45 UTCJul 9, 02:35 UTC50m
2026-07-08 VAR474 GYR → CNO Jul 8, 22:00 UTCJul 9, 00:15 UTC2h 15m
2026-07-08 VAR474 - Jul 8, 00:30 UTCJul 8, 01:10 UTC40m
2026-07-07 VAR474 - Jul 7, 23:00 UTCJul 7, 23:45 UTC45m
2026-07-07 VAR474 - Jul 7, 16:05 UTCJul 7, 18:05 UTC2h 0m
2026-07-07 VAR474 - Jul 7, 14:50 UTCJul 7, 15:25 UTC35m
2026-07-06 VAR474 GYR → GYR Jul 6, 01:50 UTCJul 6, 04:25 UTC2h 35m
2026-06-08 VAR474 GYR → GYR Jun 8, 17:20 UTCJun 8, 19:05 UTC1h 45m
2026-06-08 VAR474 - Jun 8, 05:20 UTCJun 8, 06:05 UTC45m
2026-06-08 VAR474 - Jun 8, 04:00 UTCJun 8, 04:45 UTC45m
2026-06-08 VAR474 GYR → GYR Jun 8, 00:55 UTCJun 8, 01:45 UTC50m
2026-06-07 VAR474 GYR → GYR Jun 7, 20:55 UTCJun 7, 22:25 UTC1h 30m
2026-06-07 VAR474 - Jun 7, 02:55 UTCJun 7, 05:00 UTC2h 5m
2026-06-07 VAR474 - Jun 7, 00:10 UTCJun 7, 02:00 UTC1h 50m
2026-06-06 VAR474 GYR → GYR Jun 6, 20:00 UTCJun 6, 23:19 UTC3h 20m
2026-06-04 VAR474 GYR → GYR Jun 4, 03:25 UTCJun 4, 04:50 UTC1h 25m
2026-06-04 VAR474 GYR → GYR Jun 4, 00:15 UTCJun 4, 02:30 UTC2h 15m
2026-06-03 VAR474 GYR → GYR Jun 3, 21:15 UTCJun 3, 23:10 UTC1h 55m
2026-06-03 VAR474 GYR → GYR Jun 3, 17:00 UTCJun 3, 18:35 UTC1h 35m
2026-06-03 VAR474 - Jun 3, 03:40 UTCJun 3, 05:15 UTC1h 35m
2026-06-03 VAR474 GYR → TUS Jun 3, 01:10 UTCJun 3, 02:35 UTC1h 25m
2026-06-02 VAR474 GYR → GYR Jun 2, 22:10 UTCJun 2, 23:40 UTC1h 30m
2026-06-01 VAR474 - Jun 1, 03:30 UTCJun 1, 05:20 UTC1h 50m
2026-05-31 VAR474 GYR → GYR May 31, 23:00 UTCJun 1, 00:15 UTC1h 15m
2026-05-30 VAR474 - May 30, 23:20 UTCMay 31, 01:11 UTC1h 51m
2026-05-30 VAR474 GYR → GYR May 30, 20:55 UTCMay 30, 22:20 UTC1h 25m
2026-05-30 VAR474 GYR → GYR May 30, 18:20 UTCMay 30, 19:20 UTC1h 0m
2026-05-30 VAR474 - May 30, 15:00 UTCMay 30, 16:55 UTC1h 55m
2026-05-30 VAR474 - May 30, 03:50 UTCMay 30, 04:35 UTC45m
2026-05-30 VAR474 - May 30, 02:10 UTCMay 30, 02:40 UTC30m
2026-05-30 VAR474 GYR → GYR May 30, 00:55 UTCMay 30, 01:50 UTC55m
2026-05-28 VAR474 - May 28, 21:15 UTCMay 28, 22:10 UTC55m
2026-05-28 VAR474 - May 28, 20:00 UTCMay 28, 20:25 UTC25m
2026-05-28 VAR474 GYR → GYR May 28, 17:30 UTCMay 28, 19:00 UTC1h 30m
2026-05-27 VAR474 GYR → GYR May 27, 23:30 UTCMay 28, 00:50 UTC1h 20m
2026-05-27 VAR474 GYR → GYR May 27, 19:50 UTCMay 27, 20:25 UTC35m
2026-05-27 VAR474 GYR → GYR May 27, 16:10 UTCMay 27, 17:05 UTC55m
2026-05-27 VAR474 GYR → GYR May 27, 13:40 UTCMay 27, 14:50 UTC1h 10m
2026-05-26 VAR474 - May 26, 23:45 UTCMay 27, 01:14 UTC1h 30m
2026-05-26 VAR474 GYR → GYR May 26, 21:34 UTCMay 26, 22:50 UTC1h 15m
2026-05-26 VAR474 GYR → GYR May 26, 14:45 UTCMay 26, 16:24 UTC1h 40m
2026-05-25 VAR474 GYR → GYR May 25, 20:24 UTCMay 25, 22:19 UTC1h 55m
2026-05-25 VAR474 GYR → GYR May 25, 17:00 UTCMay 25, 18:40 UTC1h 40m
2026-05-22 VAR474 GYR → GYR May 22, 13:20 UTCMay 22, 15:35 UTC2h 15m

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 N474AV page for operator, model, and routing details .

Mode-S A5D00A frequently asked

What is Mode-S code A5D00A?
A5D00A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N474AV.
Where is Mode-S A5D00A registered?
Mode-S code A5D00A 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 A5D00A broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5D00A, octal 51350012, decimal 10,866,698.
What flights does A5D00A operate?
Mode-S A5D00A has broadcast 1 distinct callsign, including VAR474.