Apparatus

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sensors Mode-S transponder

4B1620

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-IJW · AIRBUS A-320

Hex
4B1620
Octal
22613040
Decimal
4,920,864
Country
CH
Tail
HB-IJW
Type
A320
No current signal · last broadcast 1h ago
Flights observed
406
Distinct callsigns
20
Country
CH
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4B1620.

Country allocation

The ICAO 24-bit address 4B1620 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
EDW264 - 19 2026-07-09
EDW27D - 13 2026-07-09
EDW289K - 12 2026-07-13
EDW268G - 12 2026-07-13
EDW91CD - 10 2026-07-05
EDW36BD - 10 2026-07-05
EDW403Y - 9 2026-07-04
EDW49Q - 8 2026-07-03
EDW45L - 8 2026-07-03
EDW402 - 8 2026-07-04
EDW33CW Edelweiss Air 8 2026-06-25
EDW332 - 8 2026-06-25
EDW371 - 7 2026-07-02
EDW370L - 7 2026-07-02
EDW266N Edelweiss Air 7 2026-05-11
EDW329Z - 6 2026-07-14
EDW29Y - 6 2026-07-12
EDW28K - 6 2026-07-12
EDW267J Edelweiss Air 6 2026-05-11
EDW22Q Edelweiss Air 6 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EDW399L - Jul 14, 18:55 UTCJul 14, 20:00 UTC1h 5m
2026-07-14 EDW398E - Jul 14, 16:05 UTCJul 14, 17:40 UTC1h 35m
2026-07-14 EDW31M KEF → ZRH Jul 14, 10:00 UTCJul 14, 13:25 UTC3h 25m
2026-07-14 EDW329Z ZRH → KEF Jul 14, 04:40 UTCJul 14, 08:25 UTC3h 45m
2026-07-13 EDW598C JMK → ZRH Jul 13, 15:45 UTCJul 13, 18:25 UTC2h 40m
2026-07-13 EDW55Q ZRH → JMK Jul 13, 12:20 UTCJul 13, 14:35 UTC2h 15m
2026-07-13 EDW289K FAO → ZRH Jul 13, 08:20 UTCJul 13, 10:50 UTC2h 30m
2026-07-13 EDW268G ZRH → FAO Jul 13, 04:45 UTCJul 13, 07:30 UTC2h 45m
2026-07-12 EDW28K EDI → ZRH Jul 12, 16:25 UTCJul 12, 18:05 UTC1h 40m
2026-07-12 EDW29Y ZRH → EDI Jul 12, 13:05 UTCJul 12, 15:01 UTC1h 55m
2026-07-12 EDW223A - Jul 12, 09:15 UTCJul 12, 11:25 UTC2h 10m
2026-07-12 EDW822E ZRH → XRY Jul 12, 05:55 UTCJul 12, 08:20 UTC2h 25m
2026-07-12 EDW407 - Jul 12, 02:45 UTCJul 12, 04:35 UTC1h 50m
2026-07-11 EDW406 - Jul 11, 20:15 UTCJul 11, 21:35 UTC1h 20m
2026-07-11 EDW409 PRN → ZRH Jul 11, 16:45 UTCJul 11, 18:20 UTC1h 35m
2026-07-11 EDW408 ZRH → PRN Jul 11, 14:05 UTCJul 11, 15:40 UTC1h 35m
2026-07-11 EDW31U - Jul 11, 10:00 UTCJul 11, 12:35 UTC2h 35m
2026-07-11 EDW97F - Jul 11, 05:55 UTCJul 11, 08:20 UTC2h 25m
2026-07-11 EDW407 - Jul 11, 02:50 UTCJul 11, 04:30 UTC1h 40m
2026-07-10 EDW406 - Jul 10, 20:45 UTCJul 10, 22:10 UTC1h 25m
2026-07-10 EDW22Q ORK → ZRH Jul 10, 16:50 UTCJul 10, 18:35 UTC1h 45m
2026-07-10 EDW23B ZRH → ORK Jul 10, 13:45 UTCJul 10, 15:45 UTC2h 0m
2026-07-10 EDW187 - Jul 10, 09:10 UTCJul 10, 12:30 UTC3h 20m
2026-07-10 EDW186 - Jul 10, 05:05 UTCJul 10, 07:45 UTC2h 40m
2026-07-09 EDW289K FAO → ZRH Jul 9, 17:40 UTCJul 9, 20:15 UTC2h 35m
2026-07-09 EDW268G ZRH → FAO Jul 9, 14:10 UTCJul 9, 16:40 UTC2h 30m
2026-07-09 EDW27D FNC → ZRH Jul 9, 09:30 UTCJul 9, 13:05 UTC3h 35m
2026-07-09 EDW264 - Jul 9, 08:10 UTCJul 9, 08:15 UTC5m
2026-07-09 EDW264 - Jul 9, 04:40 UTCJul 9, 07:30 UTC2h 50m
2026-07-08 EDW357V - Jul 8, 18:05 UTCJul 8, 20:50 UTC2h 45m
2026-07-08 EDW56Z ZRH → KGS Jul 8, 14:25 UTCJul 8, 16:50 UTC2h 25m
2026-07-08 EDW27D FNC → ZRH Jul 8, 09:40 UTCJul 8, 13:05 UTC3h 25m
2026-07-08 EDW264 - Jul 8, 08:00 UTCJul 8, 08:15 UTC15m
2026-07-08 EDW264 - Jul 8, 04:35 UTCJul 8, 07:25 UTC2h 50m
2026-07-07 EDW289K FAO → ZRH Jul 7, 18:25 UTCJul 7, 20:55 UTC2h 30m
2026-07-07 EDW268G ZRH → FAO Jul 7, 14:40 UTCJul 7, 17:10 UTC2h 30m
2026-07-07 EDW201T - Jul 7, 09:30 UTCJul 7, 13:25 UTC3h 55m
2026-07-07 EDW200E - Jul 7, 04:10 UTCJul 7, 08:10 UTC4h 0m
2026-07-06 EDW69A RHO → ZRH Jul 6, 17:25 UTCJul 6, 20:20 UTC2h 55m
2026-07-06 EDW346M ZRH → RHO Jul 6, 13:30 UTCJul 6, 16:05 UTC2h 35m
2026-07-06 EDW289K FAO → ZRH Jul 6, 08:35 UTCJul 6, 11:10 UTC2h 35m
2026-07-06 EDW268G ZRH → FAO Jul 6, 04:55 UTCJul 6, 07:20 UTC2h 25m
2026-07-05 EDW385R - Jul 5, 19:10 UTCJul 5, 21:00 UTC1h 50m
2026-07-05 EDW752X - Jul 5, 16:50 UTCJul 5, 18:20 UTC1h 30m
2026-07-05 EDW357V - Jul 5, 12:25 UTCJul 5, 15:20 UTC2h 55m
2026-07-05 EDW56Z ZRH → KGS Jul 5, 09:10 UTCJul 5, 11:30 UTC2h 20m
2026-07-05 EDW91CD - Jul 5, 06:35 UTCJul 5, 07:45 UTC1h 10m
2026-07-05 EDW36BD - Jul 5, 04:15 UTCJul 5, 05:20 UTC1h 5m
2026-07-04 EDW91CD - Jul 4, 19:30 UTCJul 4, 20:35 UTC1h 5m
2026-07-04 EDW36BD - Jul 4, 17:05 UTCJul 4, 18:10 UTC1h 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-IJW page for operator, model, and routing details .

Mode-S 4B1620 frequently asked

What is Mode-S code 4B1620?
4B1620 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-IJW.
Where is Mode-S 4B1620 registered?
Mode-S code 4B1620 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B1620 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 4B1620, octal 22613040, decimal 4,920,864.
What flights does 4B1620 operate?
Mode-S 4B1620 has broadcast 20 distinct callsigns, including EDW264, EDW27D, EDW289K, EDW268G, EDW91CD.