Apparatus

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sensors Mode-S transponder

48C5E8

ICAO 24-bit transponder address · allocated to Poland

Currently assigned to SP-SPI · ATR-72-500

Hex
48C5E8
Octal
22142750
Decimal
4,769,256
Country
PL
Tail
SP-SPI
Type
AT75
No current signal · last broadcast 13h ago
Flights observed
137
Distinct callsigns
20
Country
PL
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S 48C5E8.

Country allocation

The ICAO 24-bit address 48C5E8 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
SRN1997 - 29 2026-07-13
SRN1996 - 26 2026-07-14
SWT6911 - 11 2026-05-28
SWT6912 - 10 2026-05-28
SRN6261 Sirair 10 2026-05-29
SRN6262 Sirair 9 2026-05-29
SRN1907 - 7 2026-06-26
SRN1906 - 6 2026-06-26
SRN6912 Sirair 4 2026-06-11
SRN6911 Sirair 4 2026-06-11
SRN1988 Sirair 4 2026-07-02
SRN1987 - 4 2026-07-02
SAR1981 Sprintair 2 2026-06-12
SAR1980 Sprintair 2 2026-06-12
SAR1976 - 2 2026-06-08
SAR1975 - 2 2026-06-08
SRN911 - 1 2026-06-24
SRN910 - 1 2026-06-24
SRN901 Sirair 1 2026-06-15
SRN7885 Sirair 1 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SRN1996 CGN → BSL Jul 14, 03:00 UTCJul 14, 03:50 UTC50m
2026-07-13 SRN1997 BSL → CGN Jul 13, 20:00 UTCJul 13, 21:10 UTC1h 10m
2026-07-10 SRN1996 CGN → BSL Jul 10, 02:50 UTCJul 10, 03:45 UTC55m
2026-07-09 SRN1997 BSL → CGN Jul 9, 20:10 UTCJul 9, 21:10 UTC1h 0m
2026-07-09 SRN1996 CGN → BSL Jul 9, 02:55 UTCJul 9, 03:50 UTC55m
2026-07-08 SRN1997 BSL → CGN Jul 8, 20:05 UTCJul 8, 21:10 UTC1h 5m
2026-07-08 SRN1996 CGN → BSL Jul 8, 03:00 UTCJul 8, 03:55 UTC55m
2026-07-07 SRN1997 BSL → CGN Jul 7, 20:05 UTCJul 7, 21:05 UTC1h 0m
2026-07-07 SRN1996 CGN → BSL Jul 7, 02:45 UTCJul 7, 03:40 UTC55m
2026-07-06 SRN1997 BSL → CGN Jul 6, 20:10 UTCJul 6, 21:15 UTC1h 5m
2026-07-03 SRN1996 CGN → BSL Jul 3, 03:00 UTCJul 3, 04:05 UTC1h 5m
2026-07-02 SRN1987 POZ → CGN Jul 2, 19:50 UTCJul 2, 21:50 UTC2h 0m
2026-07-02 SRN1988 CGN → POZ Jul 2, 02:35 UTCJul 2, 04:10 UTC1h 35m
2026-07-01 SRN1997 BSL → CGN Jul 1, 20:15 UTCJul 1, 21:20 UTC1h 5m
2026-06-30 SRN1987 POZ → CGN Jun 30, 19:45 UTCJun 30, 21:35 UTC1h 50m
2026-06-30 SRN1988 CGN → POZ Jun 30, 02:30 UTCJun 30, 04:25 UTC1h 55m
2026-06-29 SRN1987 - Jun 29, 20:09 UTCJun 29, 21:44 UTC1h 35m
2026-06-29 SRN1988 CGN → POZ Jun 29, 02:35 UTCJun 29, 04:25 UTC1h 50m
2026-06-26 SRN1907 WRO → CGN Jun 26, 21:20 UTCJun 26, 23:09 UTC1h 50m
2026-06-26 SRN1907 - Jun 26, 19:09 UTCJun 26, 19:39 UTC30m
2026-06-26 SRN1906 - Jun 26, 02:40 UTCJun 26, 04:39 UTC2h 0m
2026-06-25 SRN1997 BSL → CGN Jun 25, 20:09 UTCJun 25, 21:15 UTC1h 5m
2026-06-25 SRN1996 CGN → BSL Jun 25, 02:54 UTCJun 25, 03:50 UTC55m
2026-06-24 SRN1987 POZ → CGN Jun 24, 19:49 UTCJun 24, 21:29 UTC1h 40m
2026-06-24 SRN911 - Jun 24, 16:29 UTCJun 24, 17:14 UTC45m
2026-06-24 SRN910 POZ → WAW Jun 24, 05:54 UTCJun 24, 06:55 UTC1h 0m
2026-06-24 SRN1988 CGN → POZ Jun 24, 02:34 UTCJun 24, 04:34 UTC2h 0m
2026-06-23 SRN1997 BSL → CGN Jun 23, 20:15 UTCJun 23, 21:39 UTC1h 25m
2026-06-19 SRN1996 - Jun 19, 02:50 UTCJun 19, 03:49 UTC1h 0m
2026-06-18 SRN1997 BSL → CGN Jun 18, 20:15 UTCJun 18, 21:15 UTC1h 0m
2026-06-18 SRN1996 CGN → BSL Jun 18, 02:45 UTCJun 18, 03:35 UTC50m
2026-06-17 SRN1997 BSL → CGN Jun 17, 20:10 UTCJun 17, 21:15 UTC1h 5m
2026-06-17 SRN1996 CGN → BSL Jun 17, 02:50 UTCJun 17, 03:45 UTC55m
2026-06-16 SRN1997 BSL → CGN Jun 16, 20:10 UTCJun 16, 21:10 UTC1h 0m
2026-06-16 SRN1996 CGN → BSL Jun 16, 02:50 UTCJun 16, 03:45 UTC55m
2026-06-15 SRN1997 BSL → CGN Jun 15, 20:10 UTCJun 15, 21:20 UTC1h 10m
2026-06-15 SRN901 WAW → CGN Jun 15, 06:45 UTCJun 15, 07:40 UTC55m
2026-06-12 SAR1981 KTW → CGN Jun 12, 19:40 UTCJun 12, 22:05 UTC2h 25m
2026-06-12 SAR1980 CGN → KTW Jun 12, 02:10 UTCJun 12, 03:55 UTC1h 45m
2026-06-11 SRN6911 RIX → CGN Jun 11, 19:15 UTCJun 11, 22:30 UTC3h 15m
2026-06-11 SRN6911 RIX → CGN Jun 11, 17:30 UTCJun 11, 18:15 UTC45m
2026-06-11 SRN6912 CGN → KUN Jun 11, 05:50 UTCJun 11, 06:25 UTC35m
2026-06-11 SRN6912 CGN → KUN Jun 11, 02:10 UTCJun 11, 04:50 UTC2h 40m
2026-06-10 SAR1981 KTW → CGN Jun 10, 19:45 UTCJun 10, 21:50 UTC2h 5m
2026-06-10 SAR1980 CGN → KTW Jun 10, 02:05 UTCJun 10, 03:55 UTC1h 50m
2026-06-09 SRN6911 RIX → CGN Jun 9, 21:05 UTCJun 9, 22:30 UTC1h 25m
2026-06-09 SRN6911 RIX → CGN Jun 9, 20:20 UTCJun 9, 20:40 UTC20m
2026-06-09 SRN6912 CGN → KUN Jun 9, 05:55 UTCJun 9, 06:30 UTC35m
2026-06-09 SRN6912 CGN → KUN Jun 9, 02:15 UTCJun 9, 04:45 UTC2h 30m
2026-06-08 SAR1975 - Jun 8, 21:05 UTCJun 8, 23:15 UTC2h 10m

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

Mode-S 48C5E8 frequently asked

What is Mode-S code 48C5E8?
48C5E8 is an ICAO 24-bit transponder address. Allocated to Poland. Assigned to SP-SPI.
Where is Mode-S 48C5E8 registered?
Mode-S code 48C5E8 is allocated to Poland (PL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 48C5E8 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 48C5E8, octal 22142750, decimal 4,769,256.
What flights does 48C5E8 operate?
Mode-S 48C5E8 has broadcast 20 distinct callsigns, including SRN1997, SRN1996, SWT6911, SWT6912, SRN6261.