Apparatus

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sensors Mode-S transponder

AE5DEE

ICAO 24-bit transponder address

Currently assigned to 2015 · Lockheed Martin HC-130J Hercules

Hex
AE5DEE
Octal
53456756
Decimal
11,427,310
Tail
2015
Type
C30J
No current signal · last broadcast 18h ago
Flights observed
2
Distinct callsigns
1
Country
-
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S AE5DEE.

Callsign history 1 distinct

Callsign Airline Flights Last seen
C2008 - 2 2026-04-14

Recent flights last 2

DateFlightRouteTakeoffLandingDuration
2026-04-14 C2008 - Apr 14, 09:25 UTCApr 14, 10:15 UTC50m
2026-04-14 C2008 - Apr 14, 05:35 UTCApr 14, 06:35 UTC1h 0m

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 2015 page for operator, model, and routing details .

Mode-S AE5DEE frequently asked

What is Mode-S code AE5DEE?
AE5DEE is an ICAO 24-bit transponder address. Assigned to 2015.
Is AE5DEE broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE5DEE, octal 53456756, decimal 11,427,310.
What flights does AE5DEE operate?
Mode-S AE5DEE has broadcast 1 distinct callsign, including C2008.