Apparatus

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sensors Mode-S transponder

4B1884

ICAO 24-bit transponder address · allocated to Switzerland

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

Hex
4B1884
Octal
22614204
Decimal
4,921,476
Country
CH
Tail
HB-JHK
Type
A333
No current signal · last broadcast 22h ago
Flights observed
127
Distinct callsigns
20
Country
CH
Last broadcast
22h ago

Last known position

Most recent position reported by Mode-S 4B1884.

Country allocation

The ICAO 24-bit address 4B1884 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
SWR67G Swiss International Air Lines 15 2026-04-24
SWR4Y - 15 2026-07-13
SWR66C Swiss International Air Lines 13 2026-04-24
SWR52 - 13 2026-07-12
SWR18P - 7 2026-07-11
SWR2647 - 6 2026-06-30
SWR2646 - 6 2026-06-30
SWR23A - 6 2026-07-08
SWR19C - 6 2026-07-12
SWR22D - 5 2026-07-08
SWR72 - 4 2026-07-05
SWR3W - 4 2026-07-08
SWR2K - 4 2026-07-06
SWR14V - 4 2026-07-07
SWR146 - 3 2026-07-10
SWR9G - 2 2026-06-29
SWR8T - 2 2026-06-28
SWR16F - 2 2026-07-01
SWR15X - 2 2026-06-21
SWR155 - 2 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SWR4Y BOS → ZRH Jul 13, 02:05 UTCJul 13, 09:05 UTC7h 0m
2026-07-12 SWR52 ZRH → BOS Jul 12, 16:30 UTCJul 13, 00:01 UTC7h 30m
2026-07-12 SWR19C EWR → ZRH Jul 12, 03:10 UTCJul 12, 10:10 UTC7h 0m
2026-07-11 SWR18P - Jul 11, 23:15 UTCJul 12, 01:10 UTC1h 55m
2026-07-11 SWR18P - Jul 11, 17:05 UTCJul 11, 19:05 UTC2h 0m
2026-07-10 SWR147 DEL → ZRH Jul 10, 20:25 UTCJul 11, 04:30 UTC8h 5m
2026-07-10 SWR146 ZRH → DEL Jul 10, 10:45 UTCJul 10, 18:00 UTC7h 15m
2026-07-09 SWR147 DEL → ZRH Jul 9, 20:20 UTCJul 10, 04:20 UTC8h 0m
2026-07-09 SWR146 ZRH → DEL Jul 9, 11:00 UTCJul 9, 18:10 UTC7h 10m
2026-07-08 SWR3W JFK → ZRH Jul 8, 20:50 UTCJul 9, 04:10 UTC7h 20m
2026-07-08 SWR22D - Jul 8, 10:05 UTCJul 8, 17:55 UTC7h 50m
2026-07-08 SWR23A JFK → GVA Jul 8, 00:05 UTCJul 8, 07:15 UTC7h 10m
2026-07-07 SWR14V ZRH → JFK Jul 7, 12:35 UTCJul 7, 20:40 UTC8h 5m
2026-07-07 SWR19C EWR → ZRH Jul 7, 03:10 UTCJul 7, 10:10 UTC7h 0m
2026-07-06 SWR18P - Jul 6, 15:50 UTCJul 7, 00:15 UTC8h 25m
2026-07-06 SWR2K IAD → ZRH Jul 6, 03:55 UTCJul 6, 11:15 UTC7h 20m
2026-07-05 SWR72 ZRH → IAD Jul 5, 13:00 UTCJul 5, 21:45 UTC8h 45m
2026-07-05 SWR4Y BOS → ZRH Jul 5, 02:50 UTCJul 5, 09:25 UTC6h 35m
2026-07-04 SWR52 ZRH → BOS Jul 4, 16:10 UTCJul 5, 00:45 UTC8h 35m
2026-07-03 SWR7C ORD → ZRH Jul 3, 21:10 UTCJul 4, 04:50 UTC7h 40m
2026-07-03 SWR6A ZRH → ORD Jul 3, 08:25 UTCJul 3, 17:45 UTC9h 20m
2026-07-02 SWR3W JFK → ZRH Jul 2, 21:00 UTCJul 3, 04:05 UTC7h 5m
2026-07-02 SWR22D - Jul 2, 09:55 UTCJul 2, 18:05 UTC8h 10m
2026-07-02 SWR23A JFK → GVA Jul 2, 00:10 UTCJul 2, 07:10 UTC7h 0m
2026-07-01 SWR16F ZRH → JFK Jul 1, 08:50 UTCJul 1, 17:15 UTC8h 25m
2026-06-30 SWR2647 - Jun 30, 20:35 UTCJun 30, 21:10 UTC35m
2026-06-30 SWR2646 ZRH → DEL Jun 30, 11:20 UTCJun 30, 18:35 UTC7h 15m
2026-06-30 SWR2K IAD → ZRH Jun 30, 00:39 UTCJun 30, 08:00 UTC7h 21m
2026-06-29 SWR72 ZRH → IAD Jun 29, 12:55 UTCJun 29, 21:24 UTC8h 30m
2026-06-29 SWR9G - Jun 29, 00:29 UTCJun 29, 08:39 UTC8h 10m
2026-06-28 SWR8T ZRH → ORD Jun 28, 12:35 UTCJun 28, 21:34 UTC9h 0m
2026-06-28 SWR9G - Jun 28, 00:30 UTCJun 28, 08:29 UTC8h 0m
2026-06-27 SWR8T ZRH → ORD Jun 27, 11:50 UTCJun 27, 20:55 UTC9h 5m
2026-06-26 SWR155 - Jun 26, 21:30 UTCJun 27, 04:24 UTC6h 55m
2026-06-26 SWR155 - Jun 26, 19:30 UTCJun 26, 20:00 UTC30m
2026-06-26 SWR154 ZRH → BOM Jun 26, 08:24 UTCJun 26, 16:20 UTC7h 55m
2026-06-25 SWR19C EWR → ZRH Jun 25, 03:44 UTCJun 25, 10:39 UTC6h 55m
2026-06-24 SWR18P ZRH → EWR Jun 24, 17:10 UTCJun 25, 01:35 UTC8h 25m
2026-06-24 SWR19C EWR → ZRH Jun 24, 03:10 UTCJun 24, 10:10 UTC7h 0m
2026-06-23 SWR18P ZRH → EWR Jun 23, 16:14 UTCJun 24, 00:49 UTC8h 35m
2026-06-23 SWR4Y BOS → ZRH Jun 23, 02:34 UTCJun 23, 09:14 UTC6h 40m
2026-06-22 SWR52 ZRH → BOS Jun 22, 16:24 UTCJun 23, 00:15 UTC7h 50m
2026-06-21 SWR2647 DEL → ZRH Jun 21, 20:54 UTCJun 22, 05:04 UTC8h 10m
2026-06-21 SWR2646 - Jun 21, 11:49 UTCJun 21, 15:30 UTC3h 40m
2026-06-21 SWR15X JFK → ZRH Jun 21, 01:25 UTCJun 21, 08:25 UTC7h 0m
2026-06-20 SWR22D - Jun 20, 13:19 UTCJun 20, 21:30 UTC8h 10m
2026-06-20 SWR23A JFK → GVA Jun 20, 02:29 UTCJun 20, 09:29 UTC7h 0m
2026-06-19 SWR14V ZRH → JFK Jun 19, 12:29 UTCJun 19, 20:44 UTC8h 15m
2026-06-19 SWR19C - Jun 19, 02:04 UTCJun 19, 09:19 UTC7h 15m
2026-06-18 SWR18P ZRH → EWR Jun 18, 15:45 UTCJun 18, 23:50 UTC8h 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-JHK page for operator, model, and routing details .

Mode-S 4B1884 frequently asked

What is Mode-S code 4B1884?
4B1884 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JHK.
Where is Mode-S 4B1884 registered?
Mode-S code 4B1884 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B1884 broadcasting right now?
No active broadcast right now. Last signal was 22h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B1884, octal 22614204, decimal 4,921,476.
What flights does 4B1884 operate?
Mode-S 4B1884 has broadcast 20 distinct callsigns, including SWR67G, SWR4Y, SWR66C, SWR52, SWR18P.