Apparatus

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sensors Mode-S transponder

4B187B

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-JHB · AIRBUS A-330-300

Hex
4B187B
Octal
22614173
Decimal
4,921,467
Country
CH
Tail
HB-JHB
Type
A333
No current signal · last broadcast 2h ago
Flights observed
164
Distinct callsigns
20
Country
CH
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 4B187B.

Country allocation

The ICAO 24-bit address 4B187B 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
SWR3W - 12 2026-07-04
SWR2646 - 12 2026-07-13
SWR2647 - 11 2026-07-13
SWR16F Swiss International Air Lines 11 2026-06-12
SWR19C - 10 2026-07-03
SWR18P - 10 2026-07-02
SWR155 - 8 2026-07-09
SWR81 - 7 2026-07-11
SWR7C - 7 2026-07-10
SWR154 - 7 2026-07-09
SWR14V - 7 2026-07-03
SWR80 - 6 2026-07-11
SWR6A - 6 2026-07-10
SWR23A - 6 2026-07-04
SWR22D - 6 2026-07-04
SWR15X - 5 2026-06-13
SWR72 - 4 2026-06-20
SWR52 - 4 2026-06-28
SWR4Y - 4 2026-06-29
SWR2K - 4 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SWR2647 DEL → ZRH Jul 13, 20:50 UTCJul 14, 04:50 UTC8h 0m
2026-07-13 SWR2646 ZRH → DEL Jul 13, 11:15 UTCJul 13, 18:30 UTC7h 15m
2026-07-12 SWR2647 - Jul 12, 20:50 UTCJul 13, 04:50 UTC8h 0m
2026-07-12 SWR2646 - Jul 12, 11:35 UTCJul 12, 18:40 UTC7h 5m
2026-07-11 SWR81 YYZ → ZRH Jul 11, 20:55 UTCJul 12, 04:25 UTC7h 30m
2026-07-11 SWR80 ZRH → YYZ Jul 11, 08:30 UTCJul 11, 16:40 UTC8h 10m
2026-07-10 SWR7C - Jul 10, 20:20 UTCJul 11, 04:15 UTC7h 55m
2026-07-10 SWR6A ZRH → ORD Jul 10, 08:20 UTCJul 10, 17:25 UTC9h 5m
2026-07-09 SWR155 - Jul 9, 19:35 UTCJul 10, 04:25 UTC8h 50m
2026-07-09 SWR154 ZRH → BOM Jul 9, 08:10 UTCJul 9, 16:15 UTC8h 5m
2026-07-07 SWR2647 DEL → ZRH Jul 7, 20:30 UTCJul 8, 04:40 UTC8h 10m
2026-07-07 SWR2646 ZRH → DEL Jul 7, 11:15 UTCJul 7, 18:20 UTC7h 5m
2026-07-05 SWR155 - Jul 5, 19:35 UTCJul 6, 04:25 UTC8h 50m
2026-07-05 SWR154 - Jul 5, 08:25 UTCJul 5, 10:35 UTC2h 10m
2026-07-04 SWR3W JFK → ZRH Jul 4, 21:15 UTCJul 5, 04:15 UTC7h 0m
2026-07-04 SWR22D - Jul 4, 10:15 UTCJul 4, 18:30 UTC8h 15m
2026-07-04 SWR23A JFK → GVA Jul 4, 00:15 UTCJul 4, 07:10 UTC6h 55m
2026-07-03 SWR14V ZRH → JFK Jul 3, 12:40 UTCJul 3, 21:00 UTC8h 20m
2026-07-03 SWR19C - Jul 3, 02:35 UTCJul 3, 09:40 UTC7h 5m
2026-07-02 SWR18P ZRH → EWR Jul 2, 16:00 UTCJul 3, 00:20 UTC8h 20m
2026-07-01 SWR19C EWR → ZRH Jul 1, 03:30 UTCJul 1, 10:30 UTC7h 0m
2026-06-30 SWR18P ZRH → EWR Jun 30, 16:25 UTCJul 1, 00:25 UTC8h 0m
2026-06-30 SWR264D - Jun 30, 01:04 UTCJun 30, 06:20 UTC5h 15m
2026-06-29 SWR2646 ZRH → DEL Jun 29, 16:04 UTCJun 29, 23:19 UTC7h 15m
2026-06-29 SWR4Y BOS → ZRH Jun 29, 02:45 UTCJun 29, 09:14 UTC6h 30m
2026-06-28 SWR52 ZRH → BOS Jun 28, 17:19 UTCJun 29, 00:49 UTC7h 30m
2026-06-28 SWR19C - Jun 28, 02:39 UTCJun 28, 09:25 UTC6h 45m
2026-06-27 SWR18P ZRH → EWR Jun 27, 16:35 UTCJun 28, 00:35 UTC8h 0m
2026-06-26 SWR7C - Jun 26, 21:55 UTCJun 27, 05:44 UTC7h 50m
2026-06-26 SWR6A ZRH → ORD Jun 26, 08:24 UTCJun 26, 17:35 UTC9h 10m
2026-06-25 SWR3W - Jun 25, 21:05 UTCJun 26, 04:10 UTC7h 5m
2026-06-25 SWR22D - Jun 25, 10:04 UTCJun 25, 18:29 UTC8h 25m
2026-06-25 SWR23A JFK → GVA Jun 25, 00:05 UTCJun 25, 07:09 UTC7h 5m
2026-06-24 SWR14V ZRH → JFK Jun 24, 12:34 UTCJun 24, 20:49 UTC8h 15m
2026-06-24 SWR4Y BOS → ZRH Jun 24, 02:24 UTCJun 24, 09:09 UTC6h 45m
2026-06-23 SWR52 ZRH → BOS Jun 23, 16:14 UTCJun 24, 00:15 UTC8h 0m
2026-06-23 SWR19C - Jun 23, 06:29 UTCJun 23, 13:45 UTC7h 15m
2026-06-22 SWR18P ZRH → EWR Jun 22, 19:05 UTCJun 23, 03:29 UTC8h 25m
2026-06-22 SWR19C EWR → ZRH Jun 22, 05:24 UTCJun 22, 12:30 UTC7h 5m
2026-06-21 SWR18P ZRH → EWR Jun 21, 16:44 UTCJun 22, 00:40 UTC7h 55m
2026-06-21 SWR2K IAD → ZRH Jun 21, 00:34 UTCJun 21, 07:55 UTC7h 20m
2026-06-20 SWR72 ZRH → IAD Jun 20, 11:59 UTCJun 20, 20:40 UTC8h 40m
2026-06-19 SWR81 YYZ → ZRH Jun 19, 20:49 UTCJun 20, 04:20 UTC7h 30m
2026-06-19 SWR80 ZRH → YYZ Jun 19, 08:50 UTCJun 19, 16:59 UTC8h 10m
2026-06-18 SWR2647 DEL → ZRH Jun 18, 20:50 UTCJun 19, 04:44 UTC7h 54m
2026-06-18 SWR2646 ZRH → DEL Jun 18, 11:45 UTCJun 18, 18:50 UTC7h 5m
2026-06-18 SWR4Y BOS → ZRH Jun 18, 01:50 UTCJun 18, 08:40 UTC6h 50m
2026-06-17 SWR52 ZRH → BOS Jun 17, 16:05 UTCJun 17, 23:50 UTC7h 45m
2026-06-17 SWR19C - Jun 17, 02:05 UTCJun 17, 09:05 UTC7h 0m
2026-06-16 SWR18P ZRH → EWR Jun 16, 16:00 UTCJun 17, 00:00 UTC8h 1m

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

Mode-S 4B187B frequently asked

What is Mode-S code 4B187B?
4B187B is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JHB.
Where is Mode-S 4B187B registered?
Mode-S code 4B187B is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B187B broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B187B, octal 22614173, decimal 4,921,467.
What flights does 4B187B operate?
Mode-S 4B187B has broadcast 20 distinct callsigns, including SWR3W, SWR2646, SWR2647, SWR16F, SWR19C.