Apparatus

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sensors Mode-S transponder

AE4E45

ICAO 24-bit transponder address

Hex
AE4E45
Octal
53447105
Decimal
11,423,301
Type
V22
No current signal · last broadcast Jul 24, 18:45 UTC
Flights observed
3
Distinct callsigns
2
Country
-
Last broadcast
Jul 24, 18:45 UTC

Last known position

Most recent position reported by Mode-S AE4E45.

Callsign history 2 distinct

Callsign Airline Flights Last seen
TALON01 - 2 2026-07-23
TALON51 - 1 2026-07-24

Recent flights last 3

DateFlightRouteTakeoffLandingDuration
2026-07-24 TALON51 - Jul 24, 18:00 UTCJul 24, 18:45 UTC45m
2026-07-23 TALON01 - Jul 23, 23:45 UTCJul 24, 00:15 UTC30m
2026-07-23 TALON01 - Jul 23, 20:05 UTCJul 23, 22:50 UTC2h 45m

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.

Mode-S AE4E45 frequently asked

What is Mode-S code AE4E45?
AE4E45 is an ICAO 24-bit transponder address.
Is AE4E45 broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 18:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4E45, octal 53447105, decimal 11,423,301.
What flights does AE4E45 operate?
Mode-S AE4E45 has broadcast 2 distinct callsigns, including TALON01, TALON51.