Apparatus

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sensors Mode-S transponder

AE6208

ICAO 24-bit transponder address

Currently assigned to 18-20996

Hex
AE6208
Octal
53461010
Decimal
11,428,360
Tail
18-20996
Type
H60
No current signal · last broadcast 22h ago
Flights observed
2
Distinct callsigns
1
Country
-
Last broadcast
22h ago

Last known position

Most recent position reported by Mode-S AE6208.

Callsign history 1 distinct

Callsign Airline Flights Last seen
CARD31 - 2 2026-04-14

Recent flights last 2

DateFlightRouteTakeoffLandingDuration
2026-04-14 CARD31 - Apr 14, 07:30 UTCApr 14, 07:55 UTC25m
2026-04-14 CARD31 - Apr 14, 06:10 UTCApr 14, 06:20 UTC10m

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 18-20996 page for operator, model, and routing details .

Mode-S AE6208 frequently asked

What is Mode-S code AE6208?
AE6208 is an ICAO 24-bit transponder address. Assigned to 18-20996.
Is AE6208 broadcasting right now?
No active broadcast right now. Last signal was 22h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE6208, octal 53461010, decimal 11,428,360.
What flights does AE6208 operate?
Mode-S AE6208 has broadcast 1 distinct callsign, including CARD31.