sensors Mode-S transponder

A32D4A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N3033T · PIPER PA-28-140/150/160/180 · operated by PURDUE PILOTS INC

Hex
A32D4A
Octal
50626512
Decimal
10,693,962
Country
US
Tail
N3033T
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 A32D4A.

Country allocation

The ICAO 24-bit address A32D4A 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
N3033T - 5 2026-04-13

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-04-13 N3033T - Apr 13, 21:10 UTCApr 13, 21:50 UTC40m
2026-04-13 N3033T LAF → LAF Apr 13, 16:40 UTCApr 13, 17:40 UTC1h 0m
2026-04-13 N3033T - Apr 13, 12:20 UTCApr 13, 13:55 UTC1h 35m
2026-04-13 N3033T - Apr 13, 11:50 UTCApr 13, 12:15 UTC25m
2026-04-12 N3033T - Apr 12, 18:40 UTCApr 12, 19:15 UTC35m

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 N3033T page for operator, model, and routing details .

Mode-S A32D4A frequently asked

What is Mode-S code A32D4A?
A32D4A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N3033T.
Where is Mode-S A32D4A registered?
Mode-S code A32D4A 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 A32D4A 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 A32D4A, octal 50626512, decimal 10,693,962.
What flights does A32D4A operate?
Mode-S A32D4A has broadcast 1 distinct callsign, including N3033T.