sensors Mode-S transponder

4932A4

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-LUD · CESSNA 680 Citation Latitude

Hex
4932A4
Octal
22231244
Decimal
4,797,092
Country
PT
Tail
CS-LUD
Type
C68A
No current signal · last broadcast 13h ago
Flights observed
9
Distinct callsigns
7
Country
PT
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S 4932A4.

Country allocation

The ICAO 24-bit address 4932A4 falls within the block assigned to Portugal (PT) by ICAO Annex 10, Volume III. Every aircraft registered in Portugal 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 7 distinct

Callsign Airline Flights Last seen
NJE447E - 2 2026-04-14
NJE055L - 2 2026-04-13
NJE759Y - 1 2026-04-13
NJE591F - 1 2026-04-13
NJE452G - 1 2026-04-12
NJE194Q - 1 2026-04-14
NJE134T - 1 2026-04-13

Recent flights last 9

DateFlightRouteTakeoffLandingDuration
2026-04-14 NJE194Q - Apr 14, 09:10 UTCApr 14, 09:40 UTC30m
2026-04-14 NJE447E - Apr 14, 07:10 UTCApr 14, 07:20 UTC10m
2026-04-14 NJE447E - Apr 14, 06:55 UTCApr 14, 07:10 UTC15m
2026-04-13 NJE134T - Apr 13, 21:05 UTCApr 13, 21:20 UTC15m
2026-04-13 NJE591F - Apr 13, 17:15 UTCApr 13, 18:00 UTC45m
2026-04-13 NJE759Y - Apr 13, 14:20 UTCApr 13, 15:45 UTC1h 25m
2026-04-13 NJE055L - Apr 13, 12:20 UTCApr 13, 13:05 UTC45m
2026-04-13 NJE055L - Apr 13, 12:05 UTCApr 13, 12:15 UTC10m
2026-04-12 NJE452G - Apr 12, 17:15 UTCApr 12, 19:40 UTC2h 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 CS-LUD page for operator, model, and routing details .

Mode-S 4932A4 frequently asked

What is Mode-S code 4932A4?
4932A4 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-LUD.
Where is Mode-S 4932A4 registered?
Mode-S code 4932A4 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4932A4 broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4932A4, octal 22231244, decimal 4,797,092.
What flights does 4932A4 operate?
Mode-S 4932A4 has broadcast 7 distinct callsigns, including NJE447E, NJE055L, NJE759Y, NJE591F, NJE452G.