Apparatus

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sensors Mode-S transponder

4B187F

ICAO 24-bit transponder address · allocated to Switzerland

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

Hex
4B187F
Octal
22614177
Decimal
4,921,471
Country
CH
Tail
HB-JHF
Type
A333
No current signal · last broadcast Jul 26, 17:55 UTC
Flights observed
201
Distinct callsigns
20
Country
CH
Last broadcast
Jul 26, 17:55 UTC

Last known position

Most recent position reported by Mode-S 4B187F.

Country allocation

The ICAO 24-bit address 4B187F 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
SWR2K Swiss International Air Lines 17 2026-07-23
SWR72 Swiss International Air Lines 15 2026-07-22
SWR15X Swiss International Air Lines 14 2026-07-22
SWR16F - 12 2026-07-15
SWR146 - 12 2026-07-17
SWR22D Swiss International Air Lines 11 2026-07-24
SWR155 - 11 2026-07-01
SWR147 Swiss International Air Lines 11 2026-07-17
SWR52 Swiss International Air Lines 10 2026-07-26
SWR14V Swiss International Air Lines 10 2026-07-23
SWR23A Swiss International Air Lines 9 2026-07-24
SWR154 - 8 2026-07-01
SWR4Y Swiss International Air Lines 7 2026-07-26
SWR2647 - 7 2026-06-26
SWR2646 - 7 2026-06-26
SWR19C - 7 2026-07-10
SWR18P - 7 2026-07-09
SWR81 Swiss International Air Lines 5 2026-06-21
SWR80 Swiss International Air Lines 5 2026-06-21
SWR3W Swiss International Air Lines 5 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWR52 ZRH → BOS Jul 26, 15:55 UTCJul 26, 17:55 UTC2h 0m
2026-07-26 SWR4Y BOS → ZRH Jul 26, 02:20 UTCJul 26, 09:00 UTC6h 41m
2026-07-25 SWR52 ZRH → BOS Jul 25, 16:20 UTCJul 26, 00:00 UTC7h 40m
2026-07-24 SWR3W JFK → ZRH Jul 24, 21:00 UTCJul 25, 04:05 UTC7h 5m
2026-07-24 SWR22D GVA → JFK Jul 24, 10:00 UTCJul 24, 17:40 UTC7h 40m
2026-07-24 SWR23A JFK → GVA Jul 24, 00:15 UTCJul 24, 07:10 UTC6h 55m
2026-07-23 SWR14V ZRH → JFK Jul 23, 12:40 UTCJul 23, 20:25 UTC7h 45m
2026-07-23 SWR2K IAD → ZRH Jul 23, 00:35 UTCJul 23, 08:10 UTC7h 35m
2026-07-22 SWR72 ZRH → IAD Jul 22, 11:50 UTCJul 22, 20:30 UTC8h 40m
2026-07-22 SWR15X JFK → ZRH Jul 22, 00:55 UTCJul 22, 02:35 UTC1h 40m
2026-07-21 SWR14V ZRH → JFK Jul 21, 12:50 UTCJul 21, 20:55 UTC8h 5m
2026-07-21 SWR4Y BOS → ZRH Jul 21, 02:10 UTCJul 21, 09:05 UTC6h 55m
2026-07-20 SWR52 ZRH → BOS Jul 20, 22:30 UTCJul 20, 23:55 UTC1h 25m
2026-07-20 SWR52 ZRH → BOS Jul 20, 19:05 UTCJul 20, 19:20 UTC15m
2026-07-20 SWR52 ZRH → BOS Jul 20, 16:15 UTCJul 20, 18:00 UTC1h 45m
2026-07-19 SWR3W JFK → ZRH Jul 19, 22:00 UTCJul 20, 04:30 UTC6h 30m
2026-07-19 SWR3W JFK → ZRH Jul 19, 21:20 UTCJul 19, 21:55 UTC35m
2026-07-18 SWR14V ZRH → JFK Jul 18, 12:20 UTCJul 18, 20:20 UTC8h 0m
2026-07-17 SWR147 DEL → ZRH Jul 17, 20:00 UTCJul 18, 04:15 UTC8h 16m
2026-07-17 SWR146 - Jul 17, 10:55 UTCJul 17, 18:10 UTC7h 15m
2026-07-17 SWR2K IAD → ZRH Jul 17, 07:20 UTCJul 17, 08:15 UTC55m
2026-07-17 SWR2K IAD → ZRH Jul 17, 00:40 UTCJul 17, 07:14 UTC6h 35m
2026-07-16 SWR72 ZRH → IAD Jul 16, 11:34 UTCJul 16, 20:15 UTC8h 40m
2026-07-16 SWR15X JFK → ZRH Jul 16, 01:45 UTCJul 16, 08:50 UTC7h 5m
2026-07-15 SWR16F ZRH → JFK Jul 15, 09:10 UTCJul 15, 17:30 UTC8h 20m
2026-07-14 SWR147 - Jul 14, 20:15 UTCJul 15, 04:20 UTC8h 4m
2026-07-14 SWR146 - Jul 14, 11:00 UTCJul 14, 18:05 UTC7h 5m
2026-07-14 SWR15X JFK → ZRH Jul 14, 01:05 UTCJul 14, 08:25 UTC7h 20m
2026-07-13 SWR16F ZRH → JFK Jul 13, 09:00 UTCJul 13, 16:50 UTC7h 50m
2026-07-12 SWR147 DEL → ZRH Jul 12, 20:15 UTCJul 13, 04:25 UTC8h 10m
2026-07-12 SWR146 ZRH → DEL Jul 12, 10:55 UTCJul 12, 17:50 UTC6h 55m
2026-07-12 SWR2K IAD → ZRH Jul 12, 00:40 UTCJul 12, 08:15 UTC7h 35m
2026-07-11 SWR72 ZRH → IAD Jul 11, 11:45 UTCJul 11, 20:25 UTC8h 40m
2026-07-11 SWR4Y BOS → ZRH Jul 11, 02:10 UTCJul 11, 09:00 UTC6h 50m
2026-07-10 SWR52 ZRH → BOS Jul 10, 16:10 UTCJul 11, 00:05 UTC7h 55m
2026-07-10 SWR19C EWR → ZRH Jul 10, 03:00 UTCJul 10, 10:10 UTC7h 10m
2026-07-09 SWR18P ZRH → EWR Jul 9, 16:05 UTCJul 10, 00:20 UTC8h 15m
2026-07-09 SWR19C - Jul 9, 02:25 UTCJul 9, 09:50 UTC7h 25m
2026-07-08 SWR18P ZRH → EWR Jul 8, 16:15 UTCJul 9, 00:15 UTC8h 0m
2026-07-08 SWR2K IAD → ZRH Jul 8, 00:35 UTCJul 8, 08:20 UTC7h 45m
2026-07-07 SWR72 ZRH → IAD Jul 7, 11:45 UTCJul 7, 20:20 UTC8h 35m
2026-07-07 SWR4Y BOS → ZRH Jul 7, 02:40 UTCJul 7, 09:25 UTC6h 45m
2026-07-06 SWR52 ZRH → BOS Jul 6, 16:25 UTCJul 7, 00:10 UTC7h 45m
2026-07-06 SWR4Y BOS → ZRH Jul 6, 04:15 UTCJul 6, 10:50 UTC6h 35m
2026-07-05 SWR52 ZRH → BOS Jul 5, 16:35 UTCJul 6, 00:25 UTC7h 50m
2026-07-05 SWR5009 ORD → ZRH Jul 5, 04:25 UTCJul 5, 12:05 UTC7h 40m
2026-07-05 SWR8T - Jul 5, 02:05 UTCJul 5, 02:25 UTC20m
2026-07-04 SWR8T - Jul 4, 11:55 UTCJul 4, 22:35 UTC10h 40m
2026-07-04 SWR2K IAD → ZRH Jul 4, 00:35 UTCJul 4, 08:05 UTC7h 30m
2026-07-03 SWR72 ZRH → IAD Jul 3, 12:05 UTCJul 3, 21:10 UTC9h 5m

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

Mode-S 4B187F frequently asked

What is Mode-S code 4B187F?
4B187F is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JHF.
Where is Mode-S 4B187F registered?
Mode-S code 4B187F is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B187F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B187F, octal 22614177, decimal 4,921,471.
What flights does 4B187F operate?
Mode-S 4B187F has broadcast 20 distinct callsigns, including SWR2K, SWR72, SWR15X, SWR16F, SWR146.