Apparatus

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sensors Mode-S transponder

A5FB40

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N485AV · operated by WESTWIND SCHOOL OF AERONAUTICS PHOENIX LLC DBA, UNITED AVIATE ACADEMY

Hex
A5FB40
Octal
51375500
Decimal
10,877,760
Country
US
Tail
N485AV
Type
SR20
No current signal · last broadcast 7d ago
Flights observed
241
Distinct callsigns
1
Country
US
Last broadcast
7d ago

Last known position

Most recent position reported by Mode-S A5FB40.

Country allocation

The ICAO 24-bit address A5FB40 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
VAR485 - 241 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 VAR485 - Jul 26, 18:00 UTCJul 26, 19:45 UTC1h 45m
2026-07-26 VAR485 - Jul 26, 02:25 UTCJul 26, 02:45 UTC20m
2026-07-25 VAR485 - Jul 25, 22:55 UTCJul 26, 00:45 UTC1h 50m
2026-07-25 VAR485 GYR → GYR Jul 25, 16:15 UTCJul 25, 17:50 UTC1h 35m
2026-07-24 VAR485 GYR → GYR Jul 24, 21:25 UTCJul 24, 23:00 UTC1h 35m
2026-07-23 VAR485 GYR → GYR Jul 23, 23:45 UTCJul 24, 01:20 UTC1h 35m
2026-07-23 VAR485 GYR → GYR Jul 23, 20:55 UTCJul 23, 22:15 UTC1h 20m
2026-07-23 VAR485 GYR → GYR Jul 23, 16:15 UTCJul 23, 17:20 UTC1h 5m
2026-07-23 VAR485 GYR → GYR Jul 23, 00:30 UTCJul 23, 01:50 UTC1h 20m
2026-07-22 VAR485 GYR → GYR Jul 22, 20:20 UTCJul 22, 21:40 UTC1h 20m
2026-07-20 VAR485 - Jul 20, 00:40 UTCJul 20, 02:35 UTC1h 55m
2026-07-19 VAR485 GYR → GYR Jul 19, 21:10 UTCJul 19, 22:35 UTC1h 25m
2026-07-19 VAR485 GYR → GYR Jul 19, 15:05 UTCJul 19, 17:40 UTC2h 35m
2026-07-19 VAR485 GYR → GYR Jul 19, 03:30 UTCJul 19, 05:00 UTC1h 30m
2026-07-18 VAR485 GYR → GYR Jul 18, 21:15 UTCJul 18, 21:35 UTC20m
2026-07-17 VAR485 GYR → GYR Jul 17, 21:25 UTCJul 17, 22:55 UTC1h 30m
2026-07-17 VAR485 GYR → GYR Jul 17, 18:19 UTCJul 17, 20:00 UTC1h 40m
2026-07-17 VAR485 GYR → GYR Jul 17, 15:55 UTCJul 17, 17:15 UTC1h 20m
2026-07-16 VAR485 - Jul 16, 14:00 UTCJul 16, 17:05 UTC3h 5m
2026-07-15 VAR485 GYR → GYR Jul 15, 20:30 UTCJul 15, 20:35 UTC5m
2026-07-15 VAR485 GYR → GYR Jul 15, 20:05 UTCJul 15, 20:10 UTC5m
2026-07-15 VAR485 GYR → GYR Jul 15, 18:45 UTCJul 15, 20:00 UTC1h 15m
2026-07-15 VAR485 - Jul 15, 15:10 UTCJul 15, 16:35 UTC1h 25m
2026-07-15 VAR485 GYR → BXK Jul 15, 12:50 UTCJul 15, 14:25 UTC1h 35m
2026-07-15 VAR485 - Jul 15, 05:25 UTCJul 15, 05:30 UTC5m
2026-07-15 VAR485 - Jul 15, 04:50 UTCJul 15, 05:00 UTC10m
2026-07-15 VAR485 GYR → GYR Jul 15, 04:30 UTCJul 15, 04:40 UTC10m
2026-07-15 VAR485 - Jul 15, 04:15 UTCJul 15, 04:20 UTC5m
2026-07-15 VAR485 GYR → GYR Jul 15, 04:00 UTCJul 15, 04:10 UTC10m
2026-07-14 VAR485 - Jul 14, 23:50 UTCJul 15, 01:30 UTC1h 40m
2026-07-14 VAR485 GYR → GYR Jul 14, 22:55 UTCJul 14, 23:25 UTC30m
2026-07-14 VAR485 GYR → GYR Jul 14, 19:50 UTCJul 14, 21:35 UTC1h 45m
2026-07-14 VAR485 - Jul 14, 17:45 UTCJul 14, 18:50 UTC1h 5m
2026-07-14 VAR485 - Jul 14, 15:00 UTCJul 14, 16:40 UTC1h 40m
2026-07-13 VAR485 GYR → GYR Jul 13, 19:05 UTCJul 13, 20:30 UTC1h 25m
2026-07-13 VAR485 GYR → GYR Jul 13, 16:05 UTCJul 13, 17:35 UTC1h 30m
2026-07-12 VAR485 - Jul 12, 21:45 UTCJul 12, 22:40 UTC55m
2026-07-12 VAR485 - Jul 12, 20:20 UTCJul 12, 20:50 UTC30m
2026-07-12 VAR485 - Jul 12, 00:45 UTCJul 12, 02:25 UTC1h 40m
2026-07-11 VAR485 GYR → GYR Jul 11, 21:20 UTCJul 11, 22:25 UTC1h 5m
2026-07-11 VAR485 GYR → GYR Jul 11, 15:40 UTCJul 11, 17:20 UTC1h 40m
2026-07-11 VAR485 GYR → GYR Jul 11, 04:10 UTCJul 11, 06:05 UTC1h 55m
2026-07-10 VAR485 GYR → GYR Jul 10, 22:55 UTCJul 11, 01:05 UTC2h 10m
2026-07-10 VAR485 GYR → GYR Jul 10, 20:00 UTCJul 10, 22:10 UTC2h 10m
2026-07-10 VAR485 GYR → GYR Jul 10, 16:55 UTCJul 10, 18:30 UTC1h 35m
2026-07-10 VAR485 GYR → GYR Jul 10, 02:35 UTCJul 10, 03:50 UTC1h 15m
2026-07-09 VAR485 GYR → GYR Jul 9, 23:10 UTCJul 10, 00:00 UTC50m
2026-07-09 VAR485 GYR → GYR Jul 9, 14:55 UTCJul 9, 17:10 UTC2h 15m
2026-07-08 VAR485 GYR → GYR Jul 8, 19:15 UTCJul 8, 20:40 UTC1h 25m
2026-07-08 VAR485 GYR → GYR Jul 8, 15:55 UTCJul 8, 18:05 UTC2h 10m

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 N485AV page for operator, model, and routing details .

Mode-S A5FB40 frequently asked

What is Mode-S code A5FB40?
A5FB40 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N485AV.
Where is Mode-S A5FB40 registered?
Mode-S code A5FB40 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 A5FB40 broadcasting right now?
No active broadcast right now. Last signal was 7d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5FB40, octal 51375500, decimal 10,877,760.
What flights does A5FB40 operate?
Mode-S A5FB40 has broadcast 1 distinct callsign, including VAR485.