sensors Mode-S transponder

489229

ICAO 24-bit transponder address · allocated to Poland

Currently assigned to SP-ESK · BOEING 737-800

Hex
489229
Octal
22111051
Decimal
4,756,009
Country
PL
Tail
SP-ESK
Type
B738
No current signal · last broadcast 2d ago
Flights observed
1
Distinct callsigns
1
Country
PL
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 489229.

Country allocation

The ICAO 24-bit address 489229 falls within the block assigned to Poland (PL) by ICAO Annex 10, Volume III. Every aircraft registered in Poland 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
ENT9WD DAT Enterprise Limited 1 2026-04-12

Recent flights last 1

DateFlightRouteTakeoffLandingDuration
2026-04-12 ENT9WD RHO → CDG Apr 12, 17:15 UTCApr 12, 18:40 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 SP-ESK page for operator, model, and routing details .

Mode-S 489229 frequently asked

What is Mode-S code 489229?
489229 is an ICAO 24-bit transponder address. Allocated to Poland. Assigned to SP-ESK.
Where is Mode-S 489229 registered?
Mode-S code 489229 is allocated to Poland (PL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 489229 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 489229, octal 22111051, decimal 4,756,009.
What flights does 489229 operate?
Mode-S 489229 has broadcast 1 distinct callsign, including ENT9WD.