Apparatus

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sensors Mode-S transponder

4B181A

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-JDI · AIRBUS A-320neo

Hex
4B181A
Octal
22614032
Decimal
4,921,370
Country
CH
Tail
HB-JDI
Type
A20N
No current signal · last broadcast 4h ago
Flights observed
518
Distinct callsigns
20
Country
CH
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 4B181A.

Country allocation

The ICAO 24-bit address 4B181A falls within the block assigned to Switzerland (CH) by ICAO Annex 10, Volume III. Every aircraft registered in Switzerland 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
SWR39L - 11 2026-07-08
SWR115Y - 11 2026-07-08
SWR438A - 9 2026-07-06
SWR21M - 9 2026-07-06
SWR9PX Swiss International Air Lines 8 2026-04-20
SWR7MV - 8 2026-07-05
SWR5AX - 8 2026-07-08
SWR40L - 8 2026-06-20
SWR3AP - 8 2026-06-21
SWR336L - 8 2026-07-08
SWR7DC - 7 2026-06-21
SWR589X Swiss International Air Lines 7 2026-04-20
SWR1HW - 7 2026-07-06
SWR98G - 6 2026-06-24
SWR5YV - 6 2026-06-24
SWR533X Swiss International Air Lines 6 2026-06-02
SWR3PT Swiss International Air Lines 6 2026-06-02
SWR2EP - 6 2026-07-06
SWR2120 - 6 2026-06-19
SWR1ET - 6 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SWR1886 ZRH → OTP Jul 13, 20:20 UTCJul 13, 22:05 UTC1h 45m
2026-07-13 SWR4HA - Jul 13, 17:35 UTCJul 13, 18:55 UTC1h 20m
2026-07-13 SWR312A - Jul 13, 15:25 UTCJul 13, 16:25 UTC1h 0m
2026-07-13 SWR2PA NCE → ZRH Jul 13, 13:15 UTCJul 13, 14:05 UTC50m
2026-07-13 SWR8WA ZRH → NCE Jul 13, 11:00 UTCJul 13, 11:50 UTC50m
2026-07-13 SWR2WX CPH → ZRH Jul 13, 08:05 UTCJul 13, 09:35 UTC1h 30m
2026-07-13 SWR193T ZRH → CPH Jul 13, 05:35 UTCJul 13, 06:55 UTC1h 20m
2026-07-12 SWR5TV OPO → ZRH Jul 12, 18:55 UTCJul 12, 21:00 UTC2h 5m
2026-07-12 SWR82L ZRH → OPO Jul 12, 15:05 UTCJul 12, 17:25 UTC2h 20m
2026-07-12 SWR2023 MAD → ZRH Jul 12, 11:30 UTCJul 12, 13:20 UTC1h 50m
2026-07-12 SWR2022 ZRH → MAD Jul 12, 07:45 UTCJul 12, 09:40 UTC1h 55m
2026-07-11 EDW385R - Jul 11, 19:00 UTCJul 11, 20:45 UTC1h 45m
2026-07-11 EDW752X - Jul 11, 16:05 UTCJul 11, 17:35 UTC1h 30m
2026-07-11 SWR2XH - Jul 11, 12:30 UTCJul 11, 14:35 UTC2h 5m
2026-07-11 SWR98P - Jul 11, 08:05 UTCJul 11, 10:20 UTC2h 15m
2026-07-11 SWR5XL BER → ZRH Jul 11, 05:40 UTCJul 11, 06:50 UTC1h 10m
2026-07-10 SWR9LC ZRH → BER Jul 10, 20:05 UTCJul 10, 21:10 UTC1h 5m
2026-07-10 SWR1PX - Jul 10, 18:15 UTCJul 10, 19:05 UTC50m
2026-07-10 SWR57C ZRH → NCE Jul 10, 15:45 UTCJul 10, 16:45 UTC1h 0m
2026-07-10 SWR2XH - Jul 10, 12:00 UTCJul 10, 14:15 UTC2h 15m
2026-07-10 SWR98P - Jul 10, 08:05 UTCJul 10, 10:20 UTC2h 15m
2026-07-10 EDW7215 - Jul 10, 01:05 UTCJul 10, 04:40 UTC3h 35m
2026-07-09 EDW214A - Jul 9, 19:40 UTCJul 9, 23:35 UTC3h 55m
2026-07-09 SWR9ZA OPO → ZRH Jul 9, 08:05 UTCJul 9, 10:35 UTC2h 30m
2026-07-09 SWR2LM ZRH → OPO Jul 9, 04:45 UTCJul 9, 06:55 UTC2h 10m
2026-07-08 SWR39L LHR → ZRH Jul 8, 19:35 UTCJul 8, 20:50 UTC1h 15m
2026-07-08 SWR115Y ZRH → LHR Jul 8, 17:00 UTCJul 8, 18:25 UTC1h 25m
2026-07-08 SWR5AX VLC → ZRH Jul 8, 13:20 UTCJul 8, 15:20 UTC2h 0m
2026-07-08 SWR336L ZRH → VLC Jul 8, 10:30 UTCJul 8, 12:15 UTC1h 45m
2026-07-08 SWR4CX BEG → ZRH Jul 8, 07:25 UTCJul 8, 09:10 UTC1h 45m
2026-07-08 SWR464L ZRH → BEG Jul 8, 05:05 UTCJul 8, 06:20 UTC1h 15m
2026-07-07 SWR39L - Jul 7, 19:20 UTCJul 7, 20:35 UTC1h 15m
2026-07-07 SWR115Y - Jul 7, 16:55 UTCJul 7, 18:05 UTC1h 10m
2026-07-07 SWR935L ATH → ZRH Jul 7, 11:35 UTCJul 7, 14:05 UTC2h 30m
2026-07-07 SWR9LA ZRH → ATH Jul 7, 07:50 UTCJul 7, 10:00 UTC2h 10m
2026-07-07 SWR3ZC GVA → ZRH Jul 7, 05:30 UTCJul 7, 06:00 UTC30m
2026-07-06 SWR4TH ZRH → GVA Jul 6, 19:20 UTCJul 6, 19:55 UTC35m
2026-07-06 SWR438A - Jul 6, 16:40 UTCJul 6, 18:00 UTC1h 20m
2026-07-06 SWR21M ZRH → LHR Jul 6, 14:00 UTCJul 6, 15:30 UTC1h 30m
2026-07-06 SWR5GT - Jul 6, 11:05 UTCJul 6, 12:45 UTC1h 40m
2026-07-06 SWR2EP - Jul 6, 08:30 UTCJul 6, 09:50 UTC1h 20m
2026-07-06 SWR2EP ZRH → ZRH Jul 6, 08:20 UTCJul 6, 08:25 UTC5m
2026-07-06 SWR1HW ATH → ZRH Jul 6, 04:25 UTCJul 6, 06:55 UTC2h 30m
2026-07-05 SWR7MV ZRH → ATH Jul 5, 19:55 UTCJul 5, 22:05 UTC2h 10m
2026-07-05 SWR1ZB ATH → ZRH Jul 5, 14:10 UTCJul 5, 16:55 UTC2h 45m
2026-07-05 SWR5AM ZRH → ATH Jul 5, 10:35 UTCJul 5, 12:45 UTC2h 10m
2026-07-05 SWR5XL BER → ZRH Jul 5, 05:30 UTCJul 5, 06:40 UTC1h 10m
2026-07-04 SWR9LC ZRH → BER Jul 4, 19:35 UTCJul 4, 20:45 UTC1h 10m
2026-07-04 SWR1YL BCN → ZRH Jul 4, 17:00 UTCJul 4, 18:25 UTC1h 25m
2026-07-04 SWR1958 ZRH → BCN Jul 4, 14:30 UTCJul 4, 15:50 UTC1h 20m

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 HB-JDI page for operator, model, and routing details .

Mode-S 4B181A frequently asked

What is Mode-S code 4B181A?
4B181A is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JDI.
Where is Mode-S 4B181A registered?
Mode-S code 4B181A is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B181A broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B181A, octal 22614032, decimal 4,921,370.
What flights does 4B181A operate?
Mode-S 4B181A has broadcast 20 distinct callsigns, including SWR39L, SWR115Y, SWR438A, SWR21M, SWR9PX.