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
No current signal · last broadcast 1h ago
Flights observed
195
Distinct callsigns
20
Country
CH
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4B18B9.

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 Edelweiss Air 6 2026-05-30
EDW46Y Edelweiss Air 5 2026-05-23
EDW439 Edelweiss Air 5 2026-05-23
EDW399L Edelweiss Air 5 2026-05-29
EDW398E Edelweiss Air 5 2026-05-29
EDW289K Edelweiss Air 5 2026-05-12
EDW268G Edelweiss Air 5 2026-05-12
EDW228B Edelweiss Air 5 2026-05-12
EDW214A Edelweiss Air 5 2026-05-30
EDW131G Edelweiss Air 5 2026-05-28
EDW91CD Edelweiss Air 4 2026-05-25
EDW632M Edelweiss Air 4 2026-05-27
EDW58T Edelweiss Air 4 2026-05-22
EDW394 Edelweiss Air 4 2026-05-09
EDW36J Edelweiss Air 4 2026-05-09
EDW36BD Edelweiss Air 4 2026-05-25
EDW29Y Edelweiss Air 4 2026-05-29
EDW28K Edelweiss Air 4 2026-05-29
EDW256 Edelweiss Air 4 2026-05-27
EDW220M Edelweiss Air 4 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 EDW215P TFS → ZRH May 30, 09:55 UTCMay 30, 12:15 UTC2h 20m
2026-05-30 EDW214A ZRH → TFS May 30, 04:30 UTCMay 30, 08:15 UTC3h 45m
2026-05-29 EDW399L CTA → ZRH May 29, 19:05 UTCMay 29, 20:45 UTC1h 40m
2026-05-29 EDW398E ZRH → CTA May 29, 16:10 UTCMay 29, 17:50 UTC1h 40m
2026-05-29 SWR5YW FCO → ZRH May 29, 13:45 UTCMay 29, 14:55 UTC1h 10m
2026-05-29 SWR5LD ZRH → FCO May 29, 11:20 UTCMay 29, 12:25 UTC1h 5m
2026-05-29 EDW28K EDI → ZRH May 29, 07:40 UTCMay 29, 09:40 UTC2h 0m
2026-05-29 EDW29Y ZRH → EDI May 29, 04:35 UTCMay 29, 06:30 UTC1h 55m
2026-05-28 EDW120R ZRH → DJE May 28, 15:40 UTCMay 28, 20:50 UTC5h 10m
2026-05-28 EDW131G HRG → ZRH May 28, 04:35 UTCMay 28, 14:15 UTC9h 40m
2026-05-27 EDW130J ZRH → HRG May 27, 09:45 UTCMay 27, 19:50 UTC10h 5m
2026-05-27 EDW632M MAH → ZRH May 27, 07:00 UTCMay 27, 08:25 UTC1h 25m
2026-05-27 EDW256 ZRH → MAH May 27, 04:24 UTCMay 27, 05:59 UTC1h 35m
2026-05-26 EDW399L CTA → ZRH May 26, 18:59 UTCMay 26, 20:40 UTC1h 40m
2026-05-26 EDW398E ZRH → CTA May 26, 16:00 UTCMay 26, 17:44 UTC1h 45m
2026-05-26 EDW130J ZRH → HRG May 26, 04:10 UTCMay 26, 14:00 UTC9h 50m
2026-05-25 EDW48A SKP → ZRH May 25, 19:00 UTCMay 25, 20:40 UTC1h 39m
2026-05-25 EDW47W ZRH → SKP May 25, 16:10 UTCMay 25, 17:45 UTC1h 35m
2026-05-25 EDW36V ZTH → ZRH May 25, 12:40 UTCMay 25, 14:45 UTC2h 5m
2026-05-25 EDW330Z ZRH → ZTH May 25, 09:35 UTCMay 25, 11:45 UTC2h 10m
2026-05-25 EDW91CD OLB → ZRH May 25, 07:15 UTCMay 25, 08:25 UTC1h 10m
2026-05-25 EDW36BD ZRH → OLB May 25, 04:35 UTCMay 25, 05:40 UTC1h 5m
2026-05-24 EDW54V KGS → ZRH May 24, 15:25 UTCMay 24, 18:05 UTC2h 40m
2026-05-24 EDW56Z ZRH → KGS May 24, 11:55 UTCMay 24, 14:30 UTC2h 35m
2026-05-24 EDW223X BIO → ZRH May 24, 07:50 UTCMay 24, 09:25 UTC1h 35m
2026-05-24 EDW721D ZRH → BIO May 24, 04:45 UTCMay 24, 06:10 UTC1h 25m
2026-05-23 EDW91CD OLB → ZRH May 23, 19:20 UTCMay 23, 20:25 UTC1h 5m
2026-05-23 EDW36BD ZRH → OLB May 23, 17:05 UTCMay 23, 18:10 UTC1h 5m
2026-05-23 EDW439 SKP → ZRH May 23, 15:00 UTCMay 23, 16:05 UTC1h 5m
2026-05-23 EDW46Y ZRH → SKP May 23, 12:35 UTCMay 23, 13:35 UTC1h 0m
2026-05-22 EDW45L PRN → ZRH May 22, 19:30 UTCMay 22, 21:05 UTC1h 35m
2026-05-22 EDW49Q ZRH → PRN May 22, 16:40 UTCMay 22, 18:15 UTC1h 35m
2026-05-22 EDW57P PMI → ZRH May 22, 12:25 UTCMay 22, 14:05 UTC1h 40m
2026-05-22 EDW58T ZRH → PMI May 22, 09:20 UTCMay 22, 10:45 UTC1h 25m
2026-05-22 EDW91CD OLB → ZRH May 22, 06:50 UTCMay 22, 08:00 UTC1h 10m
2026-05-22 EDW36BD ZRH → OLB May 22, 04:30 UTCMay 22, 05:35 UTC1h 5m
2026-05-21 EDW215P TFS → ZRH May 21, 17:20 UTCMay 21, 21:10 UTC3h 50m
2026-05-21 EDW214A ZRH → TFS May 21, 11:50 UTCMay 21, 15:50 UTC4h 0m
2026-05-21 EDW399L CTA → ZRH May 21, 07:30 UTCMay 21, 09:25 UTC1h 55m
2026-05-21 EDW398E ZRH → CTA May 21, 04:15 UTCMay 21, 05:50 UTC1h 35m
2026-05-20 EDW33CW CFU → ZRH May 20, 15:20 UTCMay 20, 17:10 UTC1h 50m
2026-05-20 EDW332 ZRH → CFU May 20, 11:35 UTCMay 20, 13:10 UTC1h 35m
2026-05-20 EDW28K EDI → ZRH May 20, 07:50 UTCMay 20, 09:35 UTC1h 45m
2026-05-20 EDW29Y ZRH → EDI May 20, 04:35 UTCMay 20, 06:35 UTC2h 1m
2026-05-19 EDW45L PRN → ZRH May 19, 19:15 UTCMay 19, 21:00 UTC1h 45m
2026-05-19 EDW49Q ZRH → PRN May 19, 16:25 UTCMay 19, 17:50 UTC1h 25m
2026-05-19 EDW11Y RMF → ZRH May 19, 04:45 UTCMay 19, 14:50 UTC10h 5m
2026-05-18 EDW439 SKP → ZRH May 18, 19:30 UTCMay 18, 20:30 UTC1h 0m
2026-05-18 EDW46Y ZRH → SKP May 18, 17:10 UTCMay 18, 18:15 UTC1h 5m
2026-05-18 EDW89PE IBZ → ZRH May 18, 14:15 UTCMay 18, 16:05 UTC1h 50m

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?
No active broadcast right now. Last signal was 1h ago.
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, EDW46Y, EDW439, EDW399L, EDW398E.