sensors Mode-S transponder

48EF33

ICAO 24-bit transponder address · allocated to Poland

Currently assigned to SP-WCA · AIRBUS A-321

Hex
48EF33
Octal
22167463
Decimal
4,779,827
Country
PL
Tail
SP-WCA
Type
A321
No current signal · last broadcast Jul 26, 22:25 UTC
Flights observed
164
Distinct callsigns
20
Country
PL
Last broadcast
Jul 26, 22:25 UTC

Last known position

Most recent position reported by Mode-S 48EF33.

Country allocation

The ICAO 24-bit address 48EF33 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 20 distinct

Callsign Airline Flights Last seen
WCG056 - 6 2026-06-18
WCG038 - 5 2026-07-08
WCG076 - 4 2026-06-29
WCG067 - 4 2026-06-26
WCG060 - 4 2026-06-20
WCG057 - 4 2026-06-02
WCG055 - 4 2026-06-15
WCG035 - 4 2026-07-20
WCG026 - 4 2026-07-26
WCG025 - 4 2026-07-25
WCG022 - 4 2026-07-20
WCG010 - 4 2026-07-10
WCG097 - 3 2026-04-13
WCG092 - 3 2026-07-26
WCG065 - 3 2026-06-24
WCG062 - 3 2026-06-22
WCG061 - 3 2026-06-21
WCG059 - 3 2026-06-20
WCG047 - 3 2026-07-16
WCG040 - 3 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 WCG026 - Jul 26, 20:05 UTCJul 26, 22:25 UTC2h 20m
2026-07-26 WCG092 CMN → BRE Jul 26, 15:20 UTCJul 26, 18:50 UTC3h 30m
2026-07-25 WCG025 - Jul 25, 23:30 UTCJul 26, 00:10 UTC40m
2026-07-23 WCG024 - Jul 23, 02:45 UTCJul 23, 04:35 UTC1h 50m
2026-07-22 WCG023 - Jul 22, 12:45 UTCJul 22, 14:40 UTC1h 55m
2026-07-21 WCG023 - Jul 21, 11:50 UTCJul 21, 14:10 UTC2h 20m
2026-07-20 WCG022 - Jul 20, 20:00 UTCJul 20, 22:25 UTC2h 25m
2026-07-20 WCG035 - Jul 20, 13:15 UTCJul 20, 14:10 UTC55m
2026-07-19 WCG092 CMN → BRE Jul 19, 19:25 UTCJul 19, 22:40 UTC3h 15m
2026-07-19 WCG091 BOD → CMN Jul 19, 15:45 UTCJul 19, 18:00 UTC2h 15m
2026-07-18 WCG093 - Jul 18, 19:15 UTCJul 18, 20:15 UTC1h 0m
2026-07-18 WCG019 - Jul 18, 15:20 UTCJul 18, 17:00 UTC1h 40m
2026-07-18 WCG036 - Jul 18, 07:50 UTCJul 18, 09:45 UTC1h 55m
2026-07-17 WCG018 - Jul 17, 03:10 UTCJul 17, 05:10 UTC2h 0m
2026-07-16 WCG035 - Jul 16, 20:00 UTCJul 16, 22:19 UTC2h 20m
2026-07-16 WCG047 - Jul 16, 14:00 UTCJul 16, 17:05 UTC3h 5m
2026-07-16 WCG034 - Jul 16, 08:15 UTCJul 16, 11:10 UTC2h 55m
2026-07-16 WCG017 - Jul 16, 03:05 UTCJul 16, 05:05 UTC2h 0m
2026-07-15 WCG033 - Jul 15, 14:50 UTCJul 15, 17:10 UTC2h 20m
2026-07-15 WCG016 - Jul 15, 10:15 UTCJul 15, 12:15 UTC2h 0m
2026-07-14 WCG025 - Jul 14, 16:35 UTCJul 14, 18:40 UTC2h 5m
2026-07-14 WCG016 - Jul 14, 03:15 UTCJul 14, 05:15 UTC2h 0m
2026-07-13 WCG015 - Jul 13, 12:10 UTCJul 13, 14:25 UTC2h 15m
2026-07-12 WCG014 - Jul 12, 10:01 UTCJul 12, 13:01 UTC3h 0m
2026-07-11 WCG044 - Jul 11, 17:00 UTCJul 11, 20:40 UTC3h 40m
2026-07-11 WCG012 - Jul 11, 13:25 UTCJul 11, 14:25 UTC1h 0m
2026-07-10 WCG040 - Jul 10, 09:30 UTCJul 10, 10:40 UTC1h 10m
2026-07-10 WCG010 - Jul 10, 04:35 UTCJul 10, 07:45 UTC3h 10m
2026-07-09 WCG049 - Jul 9, 20:10 UTCJul 9, 23:25 UTC3h 15m
2026-07-09 WCG029 - Jul 9, 15:55 UTCJul 9, 19:05 UTC3h 10m
2026-07-09 WCG039 - Jul 9, 05:35 UTCJul 9, 09:00 UTC3h 25m
2026-07-09 WCG019 CMN → HAJ Jul 9, 01:15 UTCJul 9, 04:30 UTC3h 15m
2026-07-08 WCG048 HAJ → CMN Jul 8, 19:15 UTCJul 8, 22:35 UTC3h 20m
2026-07-08 WCG028 - Jul 8, 14:15 UTCJul 8, 17:35 UTC3h 20m
2026-07-08 WCG038 - Jul 8, 06:25 UTCJul 8, 09:50 UTC3h 25m
2026-07-08 WCG018 - Jul 8, 02:20 UTCJul 8, 05:30 UTC3h 10m
2026-07-07 WCG047 HAJ → CMN Jul 7, 20:55 UTCJul 8, 00:10 UTC3h 15m
2026-07-07 WCG027 - Jul 7, 16:40 UTCJul 7, 19:50 UTC3h 10m
2026-07-07 WCG037 - Jul 7, 06:15 UTCJul 7, 09:35 UTC3h 20m
2026-07-07 WCG017 - Jul 7, 01:20 UTCJul 7, 04:40 UTC3h 20m
2026-07-06 WCG046 - Jul 6, 18:10 UTCJul 6, 21:15 UTC3h 5m
2026-07-06 WCG026 - Jul 6, 14:00 UTCJul 6, 17:15 UTC3h 15m
2026-07-06 WCG036 - Jul 6, 06:25 UTCJul 6, 09:50 UTC3h 25m
2026-07-06 WCG016 - Jul 6, 02:05 UTCJul 6, 05:20 UTC3h 15m
2026-07-05 WCG045 - Jul 5, 18:15 UTCJul 5, 21:20 UTC3h 5m
2026-07-05 WCG025 - Jul 5, 13:50 UTCJul 5, 17:10 UTC3h 20m
2026-07-05 WCG035 - Jul 5, 07:30 UTCJul 5, 10:50 UTC3h 20m
2026-07-05 WCG015 - Jul 5, 02:55 UTCJul 5, 06:10 UTC3h 15m
2026-07-04 WCG024 - Jul 4, 17:30 UTCJul 4, 21:05 UTC3h 35m
2026-07-03 WCG030 - Jul 3, 14:00 UTCJul 3, 16:25 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 SP-WCA page for operator, model, and routing details .

Mode-S 48EF33 frequently asked

What is Mode-S code 48EF33?
48EF33 is an ICAO 24-bit transponder address. Allocated to Poland. Assigned to SP-WCA.
Where is Mode-S 48EF33 registered?
Mode-S code 48EF33 is allocated to Poland (PL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 48EF33 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 48EF33, octal 22167463, decimal 4,779,827.
What flights does 48EF33 operate?
Mode-S 48EF33 has broadcast 20 distinct callsigns, including WCG056, WCG038, WCG076, WCG067, WCG060.