Apparatus

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sensors Mode-S transponder

348103

ICAO 24-bit transponder address · allocated to Spain

Hex
348103
Octal
15100403
Decimal
3,440,899
Country
ES
No current signal · last broadcast 8h ago
Flights observed
119
Distinct callsigns
11
Country
ES
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 348103.

Country allocation

The ICAO 24-bit address 348103 falls within the block assigned to Spain (ES) by ICAO Annex 10, Volume III. Every aircraft registered in Spain 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 11 distinct

Callsign Airline Flights Last seen
SWT5LS Swiftair 30 2026-06-11
SWT3LS - 30 2026-06-11
SWT4CE - 22 2026-06-18
SWT5CE - 10 2026-06-18
SWT1TW - 7 2026-07-14
SWT5HJ - 6 2026-07-09
SWT2TW - 6 2026-07-13
SWT4HJ - 5 2026-07-09
SWT4998 - 1 2026-06-19
SWT4331 - 1 2026-05-22
SWT4161 - 1 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWT1TW - Jul 14, 01:35 UTCJul 14, 03:35 UTC2h 0m
2026-07-13 SWT2TW - Jul 13, 19:50 UTCJul 13, 22:10 UTC2h 20m
2026-07-10 SWT1TW - Jul 10, 01:25 UTCJul 10, 03:35 UTC2h 10m
2026-07-09 SWT5HJ - Jul 9, 20:55 UTCJul 9, 21:55 UTC1h 0m
2026-07-09 SWT4HJ - Jul 9, 01:45 UTCJul 9, 02:45 UTC1h 0m
2026-07-08 SWT5HJ - Jul 8, 20:50 UTCJul 8, 21:50 UTC1h 0m
2026-07-08 SWT4HJ - Jul 8, 01:35 UTCJul 8, 02:35 UTC1h 0m
2026-07-07 SWT5HJ - Jul 7, 21:05 UTCJul 7, 22:10 UTC1h 5m
2026-07-07 SWT4HJ - Jul 7, 01:40 UTCJul 7, 02:40 UTC1h 0m
2026-07-06 SWT2TW - Jul 6, 19:45 UTCJul 6, 22:05 UTC2h 20m
2026-07-03 SWT1TW - Jul 3, 01:45 UTCJul 3, 03:45 UTC2h 0m
2026-07-02 SWT2TW - Jul 2, 19:55 UTCJul 2, 22:25 UTC2h 30m
2026-07-02 SWT1TW - Jul 2, 01:40 UTCJul 2, 03:45 UTC2h 5m
2026-07-01 SWT2TW - Jul 1, 19:55 UTCJul 1, 22:15 UTC2h 20m
2026-07-01 SWT1TW - Jul 1, 01:40 UTCJul 1, 03:45 UTC2h 5m
2026-06-29 SWT2TW - Jun 29, 22:49 UTCJun 30, 01:04 UTC2h 15m
2026-06-26 SWT1TW - Jun 26, 01:34 UTCJun 26, 03:45 UTC2h 10m
2026-06-25 SWT2TW - Jun 25, 19:54 UTCJun 25, 22:04 UTC2h 10m
2026-06-25 SWT1TW - Jun 25, 01:40 UTCJun 25, 03:44 UTC2h 5m
2026-06-24 SWT5HJ - Jun 24, 21:00 UTCJun 24, 22:00 UTC1h 0m
2026-06-24 SWT4HJ - Jun 24, 01:44 UTCJun 24, 02:34 UTC50m
2026-06-23 SWT5HJ - Jun 23, 21:05 UTCJun 23, 21:59 UTC55m
2026-06-23 SWT4HJ - Jun 23, 01:35 UTCJun 23, 02:24 UTC50m
2026-06-22 SWT5HJ HAJ → LGG Jun 22, 21:00 UTCJun 22, 21:59 UTC1h 0m
2026-06-19 SWT4998 - Jun 19, 03:29 UTCJun 19, 04:50 UTC1h 20m
2026-06-18 SWT5CE - Jun 18, 20:10 UTCJun 18, 21:45 UTC1h 35m
2026-06-18 SWT4CE NCE → MRS Jun 18, 06:45 UTCJun 18, 07:15 UTC30m
2026-06-18 SWT4CE - Jun 18, 05:20 UTCJun 18, 05:55 UTC35m
2026-06-18 SWT4CE - Jun 18, 02:40 UTCJun 18, 04:20 UTC1h 40m
2026-06-17 SWT4161 - Jun 17, 21:20 UTCJun 17, 23:25 UTC2h 5m
2026-06-17 SWT5CE - Jun 17, 19:45 UTCJun 17, 20:15 UTC30m
2026-06-17 SWT4CE - Jun 17, 06:35 UTCJun 17, 07:10 UTC35m
2026-06-17 SWT4CE - Jun 17, 05:05 UTCJun 17, 05:35 UTC30m
2026-06-17 SWT4CE - Jun 17, 02:25 UTCJun 17, 03:55 UTC1h 30m
2026-06-16 SWT5CE - Jun 16, 19:45 UTCJun 16, 21:20 UTC1h 36m
2026-06-16 SWT4CE - Jun 16, 06:40 UTCJun 16, 07:09 UTC30m
2026-06-16 SWT4CE - Jun 16, 05:05 UTCJun 16, 05:34 UTC30m
2026-06-16 SWT4CE - Jun 16, 02:40 UTCJun 16, 04:10 UTC1h 30m
2026-06-15 SWT5CE - Jun 15, 19:45 UTCJun 15, 21:30 UTC1h 45m
2026-06-12 SWT4CE - Jun 12, 06:40 UTCJun 12, 07:15 UTC35m
2026-06-12 SWT4CE - Jun 12, 05:00 UTCJun 12, 05:30 UTC30m
2026-06-12 SWT4CE - Jun 12, 02:15 UTCJun 12, 03:40 UTC1h 25m
2026-06-11 SWT5LS TLS → CDG Jun 11, 20:55 UTCJun 11, 22:45 UTC1h 50m
2026-06-11 SWT3LS - Jun 11, 03:10 UTCJun 11, 04:25 UTC1h 15m
2026-06-10 SWT5LS TLS → CDG Jun 10, 21:00 UTCJun 10, 22:45 UTC1h 45m
2026-06-10 SWT3LS - Jun 10, 03:05 UTCJun 10, 04:35 UTC1h 30m
2026-06-09 SWT5LS TLS → CDG Jun 9, 21:00 UTCJun 9, 22:40 UTC1h 40m
2026-06-09 SWT3LS CDG → TLS Jun 9, 03:10 UTCJun 9, 04:45 UTC1h 35m
2026-06-08 SWT5LS TLS → CDG Jun 8, 21:10 UTCJun 8, 22:45 UTC1h 35m
2026-06-05 SWT3LS - Jun 5, 03:15 UTCJun 5, 04:40 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.

Mode-S 348103 frequently asked

What is Mode-S code 348103?
348103 is an ICAO 24-bit transponder address. Allocated to Spain.
Where is Mode-S 348103 registered?
Mode-S code 348103 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 348103 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 348103, octal 15100403, decimal 3,440,899.
What flights does 348103 operate?
Mode-S 348103 has broadcast 11 distinct callsigns, including SWT5LS, SWT3LS, SWT4CE, SWT5CE, SWT1TW.