Apparatus

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sensors Mode-S transponder

48D18F

ICAO 24-bit transponder address · allocated to Poland

Currently assigned to SP-WMP · ROBINSON R-44 Raven

Hex
48D18F
Octal
22150617
Decimal
4,772,239
Country
PL
Tail
SP-WMP
Type
R44
No current signal · last broadcast 1d ago
Flights observed
81
Distinct callsigns
2
Country
PL
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 48D18F.

Country allocation

The ICAO 24-bit address 48D18F 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 2 distinct

Callsign Airline Flights Last seen
SPWMP - 78 2026-07-16
SPFMK - 3 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 SPWMP - Jul 16, 18:29 UTCJul 16, 19:35 UTC1h 5m
2026-07-12 SPWMP - Jul 12, 09:40 UTCJul 12, 09:55 UTC15m
2026-07-12 SPWMP - Jul 12, 08:05 UTCJul 12, 08:50 UTC45m
2026-07-11 SPWMP - Jul 11, 20:00 UTCJul 11, 21:20 UTC1h 20m
2026-07-11 SPWMP - Jul 11, 16:10 UTCJul 11, 18:35 UTC2h 25m
2026-07-11 SPWMP - Jul 11, 13:05 UTCJul 11, 15:25 UTC2h 20m
2026-07-11 SPFMK - Jul 11, 12:00 UTCJul 11, 12:35 UTC35m
2026-07-11 SPWMP - Jul 11, 10:20 UTCJul 11, 10:50 UTC30m
2026-07-10 SPFMK - Jul 10, 16:15 UTCJul 10, 16:40 UTC25m
2026-07-10 SPFMK - Jul 10, 14:05 UTCJul 10, 14:40 UTC35m
2026-07-06 SPWMP - Jul 6, 07:10 UTCJul 6, 07:45 UTC35m
2026-07-04 SPWMP - Jul 4, 13:25 UTCJul 4, 13:40 UTC15m
2026-06-29 SPWMP - Jun 29, 17:10 UTCJun 29, 17:19 UTC10m
2026-06-27 SPWMP - Jun 27, 19:05 UTCJun 27, 20:19 UTC1h 15m
2026-06-27 SPWMP - Jun 27, 17:25 UTCJun 27, 18:09 UTC45m
2026-06-27 SPWMP - Jun 27, 16:30 UTCJun 27, 16:49 UTC20m
2026-06-23 SPWMP - Jun 23, 15:30 UTCJun 23, 15:59 UTC30m
2026-06-20 SPWMP - Jun 20, 19:15 UTCJun 20, 19:29 UTC15m
2026-06-20 SPWMP - Jun 20, 06:54 UTCJun 20, 07:24 UTC30m
2026-06-19 SPWMP - Jun 19, 14:34 UTCJun 19, 14:59 UTC25m
2026-06-18 SPWMP - Jun 18, 13:30 UTCJun 18, 14:45 UTC1h 15m
2026-06-18 SPWMP - Jun 18, 12:00 UTCJun 18, 12:25 UTC25m
2026-06-18 SPWMP - Jun 18, 10:25 UTCJun 18, 10:50 UTC25m
2026-06-18 SPWMP - Jun 18, 07:35 UTCJun 18, 08:05 UTC30m
2026-06-17 SPWMP - Jun 17, 12:00 UTCJun 17, 12:35 UTC35m
2026-06-17 SPWMP - Jun 17, 09:35 UTCJun 17, 10:30 UTC55m
2026-06-16 SPWMP - Jun 16, 16:15 UTCJun 16, 16:45 UTC30m
2026-06-16 SPWMP - Jun 16, 14:55 UTCJun 16, 15:30 UTC35m
2026-06-15 SPWMP - Jun 15, 19:50 UTCJun 15, 20:04 UTC15m
2026-06-15 SPWMP - Jun 15, 16:49 UTCJun 15, 17:10 UTC20m
2026-06-15 SPWMP - Jun 15, 15:40 UTCJun 15, 16:15 UTC35m
2026-06-14 SPWMP - Jun 14, 18:40 UTCJun 14, 18:50 UTC10m
2026-06-14 SPWMP - Jun 14, 13:55 UTCJun 14, 14:05 UTC10m
2026-06-14 SPWMP - Jun 14, 13:05 UTCJun 14, 13:20 UTC15m
2026-06-14 SPWMP - Jun 14, 11:35 UTCJun 14, 12:05 UTC30m
2026-06-13 SPWMP - Jun 13, 13:45 UTCJun 13, 14:05 UTC20m
2026-06-12 SPWMP - Jun 12, 19:50 UTCJun 12, 20:05 UTC15m
2026-06-11 SPWMP - Jun 11, 16:25 UTCJun 11, 16:35 UTC10m
2026-06-01 SPWMP - Jun 1, 15:10 UTCJun 1, 15:50 UTC40m
2026-06-01 SPWMP - Jun 1, 10:25 UTCJun 1, 10:40 UTC15m
2026-05-28 SPWMP - May 28, 18:05 UTCMay 28, 18:15 UTC10m
2026-05-24 SPWMP - May 24, 11:35 UTCMay 24, 11:45 UTC10m
2026-05-21 SPWMP - May 21, 13:45 UTCMay 21, 14:00 UTC15m
2026-05-21 SPWMP - May 21, 12:20 UTCMay 21, 12:30 UTC10m
2026-05-21 SPWMP - May 21, 07:50 UTCMay 21, 08:00 UTC10m
2026-05-21 SPWMP - May 21, 05:00 UTCMay 21, 06:05 UTC1h 5m
2026-05-19 SPWMP - May 19, 15:45 UTCMay 19, 16:25 UTC40m
2026-05-19 SPWMP - May 19, 13:55 UTCMay 19, 14:35 UTC40m
2026-05-12 SPWMP - May 12, 20:15 UTCMay 12, 20:25 UTC10m
2026-05-12 SPWMP - May 12, 19:45 UTCMay 12, 20:10 UTC25m

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-WMP page for operator, model, and routing details .

Mode-S 48D18F frequently asked

What is Mode-S code 48D18F?
48D18F is an ICAO 24-bit transponder address. Allocated to Poland. Assigned to SP-WMP.
Where is Mode-S 48D18F registered?
Mode-S code 48D18F is allocated to Poland (PL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 48D18F 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 48D18F, octal 22150617, decimal 4,772,239.
What flights does 48D18F operate?
Mode-S 48D18F has broadcast 2 distinct callsigns, including SPWMP, SPFMK.