Apparatus

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sensors Mode-S transponder

4B18B9

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-JJL · AIRBUS A-320

Hex
4B18B9
Octal
22614271
Decimal
4,921,529
Country
CH
Tail
HB-JJL
Type
A320
Broadcasting now · callsign EDW170 · 34,975 ft
Flights observed
350
Distinct callsigns
20
Country
CH
Last broadcast
39m ago

Current position

4B18B9 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4B18B9 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
EDW215P - 9 2026-07-07
EDW398E - 8 2026-07-05
EDW214A - 8 2026-07-07
EDW46Y - 7 2026-06-29
EDW439 - 7 2026-06-29
EDW399L - 7 2026-06-26
EDW29Y Edelweiss Air 7 2026-06-08
EDW28K Edelweiss Air 7 2026-06-08
EDW289K - 7 2026-07-08
EDW268G - 7 2026-07-08
EDW91CD Edelweiss Air 6 2026-06-06
EDW64J - 6 2026-07-14
EDW58T - 6 2026-07-05
EDW371 - 6 2026-07-01
EDW36BD Edelweiss Air 6 2026-06-06
EDW228B Edelweiss Air 6 2026-06-14
EDW131G - 6 2026-06-26
EDW632M - 5 2026-06-24
EDW57P - 5 2026-07-05
EDW38TD - 5 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EDW170 - Jul 14, 21:15 UTCJul 14, 22:15 UTC1h 0m
2026-07-14 EDW64J - Jul 14, 15:05 UTCJul 14, 17:00 UTC1h 55m
2026-07-14 EDW64J - Jul 14, 13:20 UTCJul 14, 13:45 UTC25m
2026-07-14 EDW64J - Jul 14, 10:10 UTCJul 14, 12:15 UTC2h 5m
2026-07-14 EDW89P - Jul 14, 07:15 UTCJul 14, 08:50 UTC1h 35m
2026-07-14 EDW88Z - Jul 14, 04:50 UTCJul 14, 05:55 UTC1h 5m
2026-07-13 EDW349E - Jul 13, 08:15 UTCJul 13, 11:00 UTC2h 45m
2026-07-13 EDW38TD - Jul 13, 04:15 UTCJul 13, 06:30 UTC2h 15m
2026-07-12 EDW36V ZTH → ZRH Jul 12, 18:55 UTCJul 12, 21:05 UTC2h 10m
2026-07-12 EDW330Z - Jul 12, 15:55 UTCJul 12, 17:50 UTC1h 55m
2026-07-12 EDW187 - Jul 12, 11:05 UTCJul 12, 14:15 UTC3h 10m
2026-07-12 EDW186 ZRH → AYT Jul 12, 06:45 UTCJul 12, 09:35 UTC2h 50m
2026-07-11 EDW91M - Jul 11, 13:45 UTCJul 11, 15:45 UTC2h 0m
2026-07-11 EDW599R ZRH → SCQ Jul 11, 10:45 UTCJul 11, 12:45 UTC2h 0m
2026-07-11 EDW403Y - Jul 11, 07:15 UTCJul 11, 09:05 UTC1h 50m
2026-07-11 EDW402 - Jul 11, 04:15 UTCJul 11, 05:35 UTC1h 20m
2026-07-10 EDW349E - Jul 10, 18:25 UTCJul 10, 21:05 UTC2h 40m
2026-07-10 EDW38TD - Jul 10, 14:40 UTCJul 10, 17:05 UTC2h 25m
2026-07-10 EDW193 - Jul 10, 09:15 UTCJul 10, 12:20 UTC3h 5m
2026-07-10 EDW192 - Jul 10, 05:10 UTCJul 10, 07:30 UTC2h 20m
2026-07-08 EDW289K FAO → ZRH Jul 8, 18:35 UTCJul 8, 20:55 UTC2h 20m
2026-07-08 EDW268G ZRH → FAO Jul 8, 15:05 UTCJul 8, 17:25 UTC2h 20m
2026-07-08 EDW23BD ACE → ZRH Jul 8, 09:35 UTCJul 8, 13:10 UTC3h 35m
2026-07-08 EDW21PL - Jul 8, 04:05 UTCJul 8, 07:50 UTC3h 45m
2026-07-07 EDW91M - Jul 7, 18:15 UTCJul 7, 20:20 UTC2h 5m
2026-07-07 EDW599R - Jul 7, 15:00 UTCJul 7, 17:00 UTC2h 0m
2026-07-07 EDW215P - Jul 7, 09:50 UTCJul 7, 13:40 UTC3h 50m
2026-07-07 EDW214A - Jul 7, 04:30 UTCJul 7, 08:35 UTC4h 5m
2026-07-06 EDW31U - Jul 6, 17:15 UTCJul 6, 20:00 UTC2h 45m
2026-07-06 EDW97F - Jul 6, 13:45 UTCJul 6, 16:05 UTC2h 20m
2026-07-06 SWR1AB LIS → ZRH Jul 6, 09:20 UTCJul 6, 11:45 UTC2h 25m
2026-07-06 SWR36K ZRH → LIS Jul 6, 05:20 UTCJul 6, 07:50 UTC2h 30m
2026-07-05 EDW5399 - Jul 5, 19:35 UTCJul 5, 21:10 UTC1h 35m
2026-07-05 EDW398E - Jul 5, 17:00 UTCJul 5, 18:20 UTC1h 20m
2026-07-05 EDW57P - Jul 5, 12:55 UTCJul 5, 14:30 UTC1h 35m
2026-07-05 EDW58T - Jul 5, 09:40 UTCJul 5, 11:10 UTC1h 30m
2026-07-05 EDW277 - Jul 5, 07:00 UTCJul 5, 08:05 UTC1h 5m
2026-07-05 EDW26A - Jul 5, 05:00 UTCJul 5, 05:50 UTC50m
2026-07-04 EDW339 EFL → ZRH Jul 4, 18:25 UTCJul 4, 20:25 UTC2h 0m
2026-07-04 EDW338 ZRH → EFL Jul 4, 15:45 UTCJul 4, 17:30 UTC1h 45m
2026-07-04 EDW215P - Jul 4, 10:30 UTCJul 4, 14:20 UTC3h 50m
2026-07-04 EDW214A - Jul 4, 04:55 UTCJul 4, 08:50 UTC3h 55m
2026-07-01 EDW48A SKP → ZRH Jul 1, 19:00 UTCJul 1, 20:40 UTC1h 40m
2026-07-01 EDW47W - Jul 1, 15:55 UTCJul 1, 17:25 UTC1h 30m
2026-07-01 EDW371 LCA → ZRH Jul 1, 11:20 UTCJul 1, 14:40 UTC3h 20m
2026-07-01 EDW370L - Jul 1, 06:10 UTCJul 1, 09:25 UTC3h 15m
2026-06-30 EDW64J - Jun 30, 16:10 UTCJun 30, 17:55 UTC1h 45m
2026-06-30 EDW64J - Jun 30, 13:30 UTCJun 30, 13:45 UTC15m
2026-06-30 EDW64J - Jun 30, 10:05 UTCJun 30, 12:15 UTC2h 10m
2026-06-29 EDW439 - Jun 29, 20:15 UTCJun 29, 21:24 UTC1h 10m

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

Mode-S 4B18B9 frequently asked

What is Mode-S code 4B18B9?
4B18B9 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JJL.
Where is Mode-S 4B18B9 registered?
Mode-S code 4B18B9 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B18B9 broadcasting right now?
Yes. Mode-S 4B18B9 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B18B9, octal 22614271, decimal 4,921,529.
What flights does 4B18B9 operate?
Mode-S 4B18B9 has broadcast 20 distinct callsigns, including EDW215P, EDW398E, EDW214A, EDW46Y, EDW439.