Apparatus

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sensors Mode-S transponder

AE52DD

ICAO 24-bit transponder address

Currently assigned to 11-08833 · BOEING-VERTOL CH-47 Chinook

Hex
AE52DD
Octal
53451335
Decimal
11,424,477
Tail
11-08833
Type
H47
No current signal · last broadcast 2d ago
Flights observed
2
Distinct callsigns
1
Country
-
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AE52DD.

Callsign history 1 distinct

Callsign Airline Flights Last seen
IMUA833 - 2 2026-04-13

Recent flights last 2

DateFlightRouteTakeoffLandingDuration
2026-04-13 IMUA833 JRF → JRF Apr 13, 01:50 UTCApr 13, 02:25 UTC35m
2026-04-13 IMUA833 JRF → JRF Apr 13, 00:55 UTCApr 13, 01:20 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 11-08833 page for operator, model, and routing details .

Mode-S AE52DD frequently asked

What is Mode-S code AE52DD?
AE52DD is an ICAO 24-bit transponder address. Assigned to 11-08833.
Is AE52DD 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 AE52DD, octal 53451335, decimal 11,424,477.
What flights does AE52DD operate?
Mode-S AE52DD has broadcast 1 distinct callsign, including IMUA833.