Mode-S AF0A4D · Transponder Hex for 22-03498

Q: What is Mode-S code AF0A4D?

AF0A4D is an ICAO 24-bit transponder address. Assigned to 22-03498 .

Last known position

Most recent position reported by Mode-S AF0A4D.

Callsign history 2 distinct

Callsign	Airline	Flights	Last seen
CHAOS64	-	2	2026-05-19
CHAOS02	-	1	2026-05-20

Recent flights last 3

Date	Flight	Route	Takeoff	Landing	Duration
2026-05-20	CHAOS02	-	May 20, 06:50 UTC	May 20, 09:05 UTC	2h 15m
2026-05-19	CHAOS64	HHI → HHI	May 19, 03:05 UTC	May 19, 04:30 UTC	1h 25m
2026-05-13	CHAOS64	-	May 13, 07:00 UTC	May 13, 07:55 UTC	55m

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 22-03498 page for operator, model, and routing details .

Mode-S AF0A4D frequently asked

What is Mode-S code AF0A4D?

AF0A4D is an ICAO 24-bit transponder address. Assigned to 22-03498.

Is AF0A4D broadcasting right now?

No active broadcast right now. Last signal was 13d ago.

Hex, octal, and decimal Mode-S codes: what's the difference?

The same 24-bit identifier expressed in different bases: hex AF0A4D, octal 53605115, decimal 11,471,437.

What flights does AF0A4D operate?

Mode-S AF0A4D has broadcast 2 distinct callsigns, including CHAOS64, CHAOS02.