Apparatus

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sensors Mode-S transponder

AE0104

ICAO 24-bit transponder address

Currently assigned to 68-8161 · Northrop T-38C Talon

Hex
AE0104
Octal
53400404
Decimal
11,403,524
Tail
68-8161
Type
T38
No current signal · last broadcast 1d ago
Flights observed
4
Distinct callsigns
4
Country
-
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AE0104.

Callsign history 4 distinct

Callsign Airline Flights Last seen
WARDOG2 - 1 2026-04-13
BANGER2 - 1 2026-04-13
ARSON2 - 1 2026-04-13
ARSON1 - 1 2026-04-13

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-04-13 ARSON2 - Apr 13, 21:45 UTCApr 13, 22:15 UTC30m
2026-04-13 WARDOG2 - Apr 13, 19:25 UTCApr 13, 19:45 UTC20m
2026-04-13 ARSON1 - Apr 13, 16:55 UTCApr 13, 17:35 UTC40m
2026-04-13 BANGER2 - Apr 13, 14:15 UTCApr 13, 14:35 UTC20m

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 68-8161 page for operator, model, and routing details .

Mode-S AE0104 frequently asked

What is Mode-S code AE0104?
AE0104 is an ICAO 24-bit transponder address. Assigned to 68-8161.
Is AE0104 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 AE0104, octal 53400404, decimal 11,403,524.
What flights does AE0104 operate?
Mode-S AE0104 has broadcast 4 distinct callsigns, including WARDOG2, BANGER2, ARSON2, ARSON1.