Apparatus

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sensors Mode-S transponder

AE63EE

ICAO 24-bit transponder address

Currently assigned to 67-14939 · Northrop T-38A Talon

Hex
AE63EE
Octal
53461756
Decimal
11,428,846
Tail
67-14939
Type
T38
No current signal · last broadcast 1d ago
Flights observed
2
Distinct callsigns
2
Country
-
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AE63EE.

Callsign history 2 distinct

Callsign Airline Flights Last seen
VA01 - 1 2026-04-13
KS01 - 1 2026-04-13

Recent flights last 2

DateFlightRouteTakeoffLandingDuration
2026-04-13 KS01 - Apr 13, 18:15 UTCApr 13, 19:05 UTC50m
2026-04-13 VA01 - Apr 13, 15:00 UTCApr 13, 15:55 UTC55m

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 67-14939 page for operator, model, and routing details .

Mode-S AE63EE frequently asked

What is Mode-S code AE63EE?
AE63EE is an ICAO 24-bit transponder address. Assigned to 67-14939.
Is AE63EE broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE63EE, octal 53461756, decimal 11,428,846.
What flights does AE63EE operate?
Mode-S AE63EE has broadcast 2 distinct callsigns, including VA01, KS01.