sensors Mode-S transponder

ADFECB

ICAO 24-bit transponder address

Currently assigned to 84-00485 · Beech C-12U Huron

Hex
ADFECB
Octal
53377313
Decimal
11,402,955
Tail
84-00485
Type
BE20
No current signal · last broadcast 1d ago
Flights observed
5
Distinct callsigns
1
Country
-
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S ADFECB.

Callsign history 1 distinct

Callsign Airline Flights Last seen
PAT276 - 5 2026-04-13

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-04-13 PAT276 - Apr 13, 20:00 UTCApr 13, 20:10 UTC10m
2026-04-13 PAT276 - Apr 13, 17:25 UTCApr 13, 18:25 UTC1h 0m
2026-04-13 PAT276 - Apr 13, 14:40 UTCApr 13, 15:40 UTC1h 0m
2026-04-13 PAT276 - Apr 13, 12:20 UTCApr 13, 13:35 UTC1h 15m
2026-04-13 PAT276 - Apr 13, 12:10 UTCApr 13, 13:35 UTC1h 25m

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 84-00485 page for operator, model, and routing details .

Mode-S ADFECB frequently asked

What is Mode-S code ADFECB?
ADFECB is an ICAO 24-bit transponder address. Assigned to 84-00485.
Is ADFECB 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 ADFECB, octal 53377313, decimal 11,402,955.
What flights does ADFECB operate?
Mode-S ADFECB has broadcast 1 distinct callsign, including PAT276.