Apparatus

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sensors Mode-S transponder

AE13C9

ICAO 24-bit transponder address

Currently assigned to 04-3755 · BEECHCRAFT T-6 Texan 2

Hex
AE13C9
Octal
53411711
Decimal
11,408,329
Tail
04-3755
Type
TEX2
No current signal · last broadcast 2d ago
Flights observed
4
Distinct callsigns
4
Country
-
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AE13C9.

Callsign history 4 distinct

Callsign Airline Flights Last seen
VALOR37 - 1 2026-05-20
SPIKE23 - 1 2026-04-13
SPIKE11 - 1 2026-05-27
RISKY35 - 1 2026-04-13

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-05-27 SPIKE11 - May 27, 14:45 UTCMay 27, 15:10 UTC25m
2026-05-20 VALOR37 - May 20, 15:50 UTCMay 20, 16:25 UTC35m
2026-04-13 RISKY35 - Apr 13, 17:40 UTCApr 13, 18:00 UTC20m
2026-04-13 SPIKE23 - Apr 13, 14:45 UTCApr 13, 15:10 UTC25m

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 04-3755 page for operator, model, and routing details .

Mode-S AE13C9 frequently asked

What is Mode-S code AE13C9?
AE13C9 is an ICAO 24-bit transponder address. Assigned to 04-3755.
Is AE13C9 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE13C9, octal 53411711, decimal 11,408,329.
What flights does AE13C9 operate?
Mode-S AE13C9 has broadcast 4 distinct callsigns, including VALOR37, SPIKE23, SPIKE11, RISKY35.