sensors Mode-S transponder

4B18F4

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-JLS · AIRBUS A-320

Hex
4B18F4
Octal
22614364
Decimal
4,921,588
Country
CH
Tail
HB-JLS
Type
A320
Broadcasting now · callsign EDW27D · 38,025 ft
Flights observed
416
Distinct callsigns
20
Country
CH
Last broadcast
47m ago

Current position

4B18F4 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4B18F4 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
EDW403Y - 11 2026-07-13
EDW29Y - 11 2026-06-24
EDW28K - 11 2026-06-24
EDW264 - 11 2026-07-14
EDW894T - 10 2026-07-13
EDW439 - 10 2026-07-13
EDW402 - 10 2026-07-02
EDW46Y - 9 2026-07-13
EDW27D - 8 2026-07-14
EDW215P - 8 2026-07-05
EDW214A - 8 2026-07-05
EDW91CD - 7 2026-07-07
EDW89P Edelweiss Air 7 2026-06-13
EDW88Z Edelweiss Air 7 2026-06-13
EDW48A Edelweiss Air 7 2026-07-08
EDW47W - 7 2026-07-08
EDW399L - 7 2026-06-18
EDW398E - 7 2026-06-18
EDW36BD - 7 2026-07-07
EDW33CW - 7 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EDW27D - Jul 14, 09:15 UTCJul 14, 11:00 UTC1h 45m
2026-07-14 EDW264 ZRH → FNC Jul 14, 04:20 UTCJul 14, 08:05 UTC3h 45m
2026-07-13 EDW439 - Jul 13, 20:00 UTCJul 13, 21:00 UTC1h 0m
2026-07-13 EDW46Y - Jul 13, 17:50 UTCJul 13, 18:40 UTC50m
2026-07-13 EDW53PC IBZ → ZRH Jul 13, 14:55 UTCJul 13, 16:35 UTC1h 40m
2026-07-13 EDW894T ZRH → IBZ Jul 13, 11:50 UTCJul 13, 13:30 UTC1h 40m
2026-07-13 EDW403Y ZRH → ZRH Jul 13, 04:50 UTCJul 13, 10:10 UTC5h 20m
2026-07-12 EDW337 - Jul 12, 18:40 UTCJul 12, 21:25 UTC2h 45m
2026-07-12 EDW336H - Jul 12, 15:20 UTCJul 12, 17:35 UTC2h 15m
2026-07-12 EDW131G ZRH → ZRH Jul 12, 04:20 UTCJul 12, 14:01 UTC9h 40m
2026-07-11 EDW195 - Jul 11, 18:10 UTCJul 11, 20:55 UTC2h 45m
2026-07-11 EDW194 - Jul 11, 14:30 UTCJul 11, 17:00 UTC2h 30m
2026-07-11 EDW31M KEF → ZRH Jul 11, 09:50 UTCJul 11, 13:15 UTC3h 25m
2026-07-11 EDW329Z ZRH → KEF Jul 11, 04:45 UTCJul 11, 08:30 UTC3h 45m
2026-07-10 EDW439 - Jul 10, 19:40 UTCJul 10, 20:50 UTC1h 10m
2026-07-10 EDW46Y - Jul 10, 17:20 UTCJul 10, 18:20 UTC1h 0m
2026-07-10 EDW285K BRS → ZRH Jul 10, 14:10 UTCJul 10, 15:40 UTC1h 30m
2026-07-10 EDW284Z ZRH → BRS Jul 10, 10:10 UTCJul 10, 11:35 UTC1h 25m
2026-07-10 EDW41BX - Jul 10, 07:15 UTCJul 10, 08:45 UTC1h 30m
2026-07-10 EDW414R - Jul 10, 04:35 UTCJul 10, 05:55 UTC1h 20m
2026-07-09 EDW53PC IBZ → ZRH Jul 9, 19:10 UTCJul 9, 21:00 UTC1h 50m
2026-07-09 EDW894T ZRH → IBZ Jul 9, 16:25 UTCJul 9, 18:10 UTC1h 45m
2026-07-09 EDW131G ZRH → ZRH Jul 9, 04:40 UTCJul 9, 14:15 UTC9h 35m
2026-07-08 EDW48A SKP → ZRH Jul 8, 18:45 UTCJul 8, 20:40 UTC1h 55m
2026-07-08 EDW47W - Jul 8, 16:05 UTCJul 8, 17:35 UTC1h 30m
2026-07-08 EDW57P - Jul 8, 12:35 UTCJul 8, 14:10 UTC1h 35m
2026-07-08 EDW58T - Jul 8, 09:55 UTCJul 8, 11:15 UTC1h 20m
2026-07-08 EDW632M MAH → ZRH Jul 8, 06:45 UTCJul 8, 08:15 UTC1h 30m
2026-07-08 EDW256 ZRH → MAH Jul 8, 04:20 UTCJul 8, 05:40 UTC1h 20m
2026-07-07 EDW91CD - Jul 7, 19:35 UTCJul 7, 20:50 UTC1h 15m
2026-07-07 EDW36BD ZRH → OLB Jul 7, 17:15 UTCJul 7, 18:25 UTC1h 10m
2026-07-07 EDW439 - Jul 7, 15:00 UTCJul 7, 16:05 UTC1h 5m
2026-07-07 EDW46Y - Jul 7, 12:40 UTCJul 7, 13:40 UTC1h 0m
2026-07-07 EDW223X - Jul 7, 09:55 UTCJul 7, 11:25 UTC1h 30m
2026-07-07 EDW721D - Jul 7, 07:15 UTCJul 7, 08:40 UTC1h 25m
2026-07-06 EDW5305 HAJ → ZRH Jul 6, 18:20 UTCJul 6, 19:20 UTC1h 0m
2026-07-06 EDW1304 HAJ → HAJ Jul 6, 08:30 UTCJul 6, 17:20 UTC8h 50m
2026-07-06 EDW5304 ZRH → HAJ Jul 6, 06:25 UTCJul 6, 07:20 UTC55m
2026-07-05 EDW36V ZTH → ZRH Jul 5, 18:30 UTCJul 5, 20:55 UTC2h 25m
2026-07-05 EDW330Z ZRH → ZTH Jul 5, 15:25 UTCJul 5, 17:25 UTC2h 0m
2026-07-05 EDW215P - Jul 5, 09:55 UTCJul 5, 13:50 UTC3h 55m
2026-07-05 EDW214A - Jul 5, 04:35 UTCJul 5, 08:30 UTC3h 55m
2026-07-04 EDW36V ZTH → ZRH Jul 4, 17:35 UTCJul 4, 20:00 UTC2h 25m
2026-07-04 EDW330Z ZRH → ZTH Jul 4, 14:35 UTCJul 4, 16:35 UTC2h 0m
2026-07-04 EDW39YD TOS → ZRH Jul 4, 09:35 UTCJul 4, 12:50 UTC3h 15m
2026-07-04 EDW318B ZRH → TOS Jul 4, 05:00 UTCJul 4, 08:10 UTC3h 10m
2026-07-03 EDW289K FAO → ZRH Jul 3, 18:10 UTCJul 3, 20:40 UTC2h 30m
2026-07-03 EDW268G ZRH → FAO Jul 3, 14:45 UTCJul 3, 17:15 UTC2h 30m
2026-07-03 EDW201T - Jul 3, 09:50 UTCJul 3, 13:35 UTC3h 45m
2026-07-03 EDW200E - Jul 3, 04:30 UTCJul 3, 08:30 UTC4h 0m

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

Mode-S 4B18F4 frequently asked

What is Mode-S code 4B18F4?
4B18F4 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JLS.
Where is Mode-S 4B18F4 registered?
Mode-S code 4B18F4 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B18F4 broadcasting right now?
Yes. Mode-S 4B18F4 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B18F4, octal 22614364, decimal 4,921,588.
What flights does 4B18F4 operate?
Mode-S 4B18F4 has broadcast 20 distinct callsigns, including EDW403Y, EDW29Y, EDW28K, EDW264, EDW894T.