sensors Mode-S transponder

ABD02F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N860PU · PIPER PA-28-140/150/160/180 · operated by TRUSTEES OF PURDUE UNIVERSITY

Hex
ABD02F
Octal
52750057
Decimal
11,259,951
Country
US
Tail
N860PU
Type
P28A
No current signal · last broadcast 1d ago
Flights observed
5
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S ABD02F.

Country allocation

The ICAO 24-bit address ABD02F falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 1 distinct

Callsign Airline Flights Last seen
PDU60 - 5 2026-04-13

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-04-13 PDU60 LAF → LAF Apr 13, 22:25 UTCApr 13, 23:15 UTC50m
2026-04-13 PDU60 - Apr 13, 19:45 UTCApr 13, 20:10 UTC25m
2026-04-13 PDU60 LAF → LAF Apr 13, 17:40 UTCApr 13, 19:00 UTC1h 20m
2026-04-13 PDU60 - Apr 13, 12:20 UTCApr 13, 13:05 UTC45m
2026-04-13 PDU60 - Apr 13, 11:55 UTCApr 13, 12:15 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 N860PU page for operator, model, and routing details .

Mode-S ABD02F frequently asked

What is Mode-S code ABD02F?
ABD02F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N860PU.
Where is Mode-S ABD02F registered?
Mode-S code ABD02F is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is ABD02F 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 ABD02F, octal 52750057, decimal 11,259,951.
What flights does ABD02F operate?
Mode-S ABD02F has broadcast 1 distinct callsign, including PDU60.