Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AF0948

ICAO 24-bit transponder address

Hex
AF0948
Octal
53604510
Decimal
11,471,176
No current signal · last broadcast 2d ago
Flights observed
4
Distinct callsigns
2
Country
-
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AF0948.

Callsign history 2 distinct

Callsign Airline Flights Last seen
ZORRO75 - 2 2026-04-16
ZORRO43 - 2 2026-04-16

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-04-16 ZORRO75 - Apr 16, 17:15 UTCApr 16, 17:30 UTC15m
2026-04-16 ZORRO75 - Apr 16, 15:45 UTCApr 16, 17:10 UTC1h 25m
2026-04-16 ZORRO43 RQO → OKC Apr 16, 03:09 UTCApr 16, 03:24 UTC15m
2026-04-16 ZORRO43 - Apr 16, 01:45 UTCApr 16, 03:04 UTC1h 20m

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 AF0948 frequently asked

What is Mode-S code AF0948?
AF0948 is an ICAO 24-bit transponder address.
Is AF0948 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 AF0948, octal 53604510, decimal 11,471,176.
What flights does AF0948 operate?
Mode-S AF0948 has broadcast 2 distinct callsigns, including ZORRO75, ZORRO43.