Apparatus

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sensors Mode-S transponder

4B15D8

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-IHC · AIRBUS A-350-900

Hex
4B15D8
Octal
22612730
Decimal
4,920,792
Country
CH
Tail
HB-IHC
Type
A359
No current signal · last broadcast 4h ago
Flights observed
114
Distinct callsigns
20
Country
CH
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 4B15D8.

Country allocation

The ICAO 24-bit address 4B15D8 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
EDW67 Edelweiss Air 19 2026-05-16
EDW71 Edelweiss Air 10 2026-05-13
EDW51 Edelweiss Air 10 2026-05-04
EDW37 Edelweiss Air 10 2026-05-15
EDW64G Edelweiss Air 6 2026-05-13
EDW36W Edelweiss Air 6 2026-05-29
EDW66 Edelweiss Air 5 2026-04-13
EDW65V Edelweiss Air 5 2026-05-14
EDW35Y Edelweiss Air 5 2026-05-23
EDW11K Edelweiss Air 5 2026-05-26
EDW10K Edelweiss Air 5 2026-05-26
EDW50 Edelweiss Air 4 2026-05-03
EDW38T Edelweiss Air 4 2026-05-18
EDW34N Edelweiss Air 4 2026-05-23
EDW3A Edelweiss Air 3 2026-05-28
EDW38 Edelweiss Air 3 2026-05-18
EDW2M Edelweiss Air 3 2026-05-27
EDW86 Edelweiss Air 2 2026-04-24
EDW70 Edelweiss Air 2 2026-04-14
EDW87 Edelweiss Air 1 2026-04-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 EDW36W ZRH → SJO May 29, 08:50 UTCMay 30, 00:30 UTC15h 40m
2026-05-28 EDW3A LAS → ZRH May 28, 02:25 UTCMay 28, 12:45 UTC10h 20m
2026-05-27 EDW2M ZRH → LAS May 27, 12:10 UTCMay 27, 23:05 UTC10h 55m
2026-05-26 EDW11K YVR → ZRH May 26, 23:54 UTCMay 27, 09:15 UTC9h 20m
2026-05-26 EDW10K ZRH → YVR May 26, 12:00 UTCMay 26, 21:55 UTC9h 55m
2026-05-26 EDW11K YVR → ZRH May 26, 00:04 UTCMay 26, 09:15 UTC9h 10m
2026-05-25 EDW10K ZRH → YVR May 25, 12:10 UTCMay 25, 22:05 UTC9h 54m
2026-05-24 EDW11K YVR → ZRH May 24, 14:05 UTCMay 25, 09:15 UTC19h 10m
2026-05-24 EDW10K ZRH → YVR May 24, 12:20 UTCMay 25, 09:15 UTC20h 55m
2026-05-23 EDW35Y PUJ → ZRH May 23, 14:05 UTCMay 24, 08:30 UTC18h 26m
2026-05-23 EDW34N ZRH → PUJ May 23, 12:05 UTCMay 24, 08:30 UTC20h 26m
2026-05-23 EDW34N ZRH → PUJ May 23, 11:55 UTCMay 24, 08:30 UTC20h 36m
2026-05-23 EDW35Y PUJ → ZRH May 23, 00:40 UTCMay 23, 08:35 UTC7h 54m
2026-05-22 EDW34N ZRH → PUJ May 22, 12:15 UTCMay 22, 21:15 UTC9h 0m
2026-05-21 EDW11K YVR → ZRH May 21, 23:55 UTCMay 22, 09:20 UTC9h 25m
2026-05-21 EDW10K ZRH → YVR May 21, 12:05 UTCMay 21, 21:50 UTC9h 45m
2026-05-19 EDW35Y PUJ → ZRH May 19, 14:05 UTCMay 20, 08:20 UTC18h 16m
2026-05-19 EDW35Y PUJ → ZRH May 19, 12:10 UTCMay 20, 08:20 UTC20h 11m
2026-05-18 EDW38T LIR → ZRH May 18, 15:00 UTCMay 19, 09:05 UTC18h 4m
2026-05-18 EDW38T LIR → ZRH May 18, 13:10 UTCMay 19, 09:05 UTC19h 54m
2026-05-18 EDW38 ZRH → SJO May 18, 08:05 UTCMay 19, 08:00 UTC23h 54m
2026-05-18 EDW38 ZRH → SJO May 18, 07:20 UTCMay 19, 02:45 UTC19h 24m
2026-05-16 EDW67 MLE → ZRH May 16, 22:05 UTCMay 17, 16:55 UTC18h 50m
2026-05-16 EDW67 MLE → ZRH May 16, 20:05 UTCMay 17, 16:55 UTC20h 50m
2026-05-16 EDW67 MLE → ZRH May 16, 19:10 UTCMay 17, 16:55 UTC21h 45m
2026-05-15 EDW37 SJO → ZRH May 15, 16:30 UTCMay 16, 07:51 UTC15h 21m
2026-05-15 EDW37 SJO → ZRH May 15, 10:05 UTCMay 16, 07:51 UTC21h 45m
2026-05-15 EDW36W ZRH → SJO May 15, 08:25 UTCMay 16, 07:51 UTC23h 25m
2026-05-14 EDW65V CMB → ZRH May 14, 07:00 UTCMay 14, 16:35 UTC9h 35m
2026-05-13 EDW64G ZRH → CMB May 13, 19:00 UTCMay 14, 04:05 UTC9h 5m
2026-05-13 EDW71 MRU → ZRH May 13, 12:45 UTCMay 13, 16:45 UTC4h 0m
2026-05-12 EDW71 MRU → ZRH May 12, 20:20 UTCMay 13, 16:45 UTC20h 25m
2026-05-12 EDW71 MRU → ZRH May 12, 18:05 UTCMay 13, 16:45 UTC22h 40m
2026-05-12 EDW71 MRU → ZRH May 12, 17:40 UTCMay 13, 16:00 UTC22h 20m
2026-05-11 EDW67 MLE → ZRH May 11, 20:05 UTCMay 12, 15:25 UTC19h 20m
2026-05-11 EDW67 MLE → ZRH May 11, 18:15 UTCMay 12, 15:25 UTC21h 10m
2026-05-11 EDW11K YVR → ZRH May 11, 00:15 UTCMay 11, 09:30 UTC9h 15m
2026-05-10 EDW10K ZRH → YVR May 10, 12:00 UTCMay 10, 21:59 UTC10h 0m
2026-05-10 EDW35Y PUJ → ZRH May 10, 00:24 UTCMay 10, 08:40 UTC8h 15m
2026-05-09 EDW34N ZRH → PUJ May 9, 12:00 UTCMay 9, 20:15 UTC8h 15m
2026-05-08 EDW37 SJO → ZRH May 8, 17:25 UTCMay 9, 08:30 UTC15h 5m
2026-05-08 EDW37 SJO → ZRH May 8, 10:04 UTCMay 9, 08:30 UTC22h 25m
2026-05-08 EDW36W ZRH → SJO May 8, 08:40 UTCMay 9, 08:00 UTC23h 20m
2026-05-06 EDW71 MRU → ZRH May 6, 13:45 UTCMay 6, 17:35 UTC3h 49m
2026-05-05 EDW71 MRU → ZRH May 5, 20:05 UTCMay 6, 17:35 UTC21h 29m
2026-05-05 EDW71 MRU → ZRH May 5, 18:15 UTCMay 6, 17:35 UTC23h 19m
2026-05-04 EDW67 MLE → ZRH May 4, 20:05 UTCMay 5, 15:55 UTC19h 50m
2026-05-04 EDW67 MLE → ZRH May 4, 18:45 UTCMay 5, 15:55 UTC21h 10m
2026-05-04 EDW51 HKT → ZRH May 4, 06:55 UTCMay 4, 16:25 UTC9h 30m
2026-05-03 EDW50 ZRH → HKT May 3, 16:25 UTCMay 4, 01:00 UTC8h 35m

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

Mode-S 4B15D8 frequently asked

What is Mode-S code 4B15D8?
4B15D8 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-IHC.
Where is Mode-S 4B15D8 registered?
Mode-S code 4B15D8 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B15D8 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B15D8, octal 22612730, decimal 4,920,792.
What flights does 4B15D8 operate?
Mode-S 4B15D8 has broadcast 20 distinct callsigns, including EDW67, EDW71, EDW51, EDW37, EDW64G.