Apparatus

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sensors Mode-S transponder

4B1900

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-JME · AIRBUS A-340-300

Hex
4B1900
Octal
22614400
Decimal
4,921,600
Country
CH
Tail
HB-JME
Type
A343
No current signal · last broadcast 2d ago
Flights observed
95
Distinct callsigns
18
Country
CH
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 4B1900.

Country allocation

The ICAO 24-bit address 4B1900 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 18 distinct

Callsign Airline Flights Last seen
EDW5L Edelweiss Air 12 2026-05-21
EDW35Y Edelweiss Air 11 2026-04-26
EDW34N Edelweiss Air 11 2026-04-25
EDW25 Edelweiss Air 11 2026-05-17
EDW24 Edelweiss Air 9 2026-05-16
SWR87F Swiss International Air Lines 8 2026-05-25
SWR1LE Swiss International Air Lines 8 2026-05-24
EDW4K Edelweiss Air 8 2026-05-20
EDW86 Edelweiss Air 5 2026-05-23
EDW87 Edelweiss Air 3 2026-05-23
EDW58T Edelweiss Air 2 2026-04-15
EDW57P - 1 2026-04-15
EDW49Q Edelweiss Air 1 2026-04-30
EDW45L Edelweiss Air 1 2026-04-30
EDW3A Edelweiss Air 1 2026-04-22
EDW38TD Edelweiss Air 1 2026-05-27
EDW349E Edelweiss Air 1 2026-05-27
EDW2M Edelweiss Air 1 2026-04-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-27 EDW349E HER → ZRH May 27, 11:20 UTCMay 27, 13:55 UTC2h 35m
2026-05-27 EDW38TD ZRH → HER May 27, 07:00 UTCMay 27, 09:25 UTC2h 25m
2026-05-25 SWR87F YUL → ZRH May 25, 02:10 UTCMay 25, 04:25 UTC2h 15m
2026-05-24 SWR87F YUL → ZRH May 24, 21:35 UTCMay 24, 21:50 UTC15m
2026-05-24 SWR1LE ZRH → YUL May 24, 11:25 UTCMay 24, 19:00 UTC7h 35m
2026-05-23 EDW87 CPT → ZRH May 23, 20:50 UTCMay 24, 07:55 UTC11h 5m
2026-05-23 EDW86 ZRH → CPT May 23, 18:20 UTCMay 23, 18:45 UTC25m
2026-05-23 EDW86 ZRH → CPT May 23, 08:05 UTCMay 23, 09:30 UTC1h 25m
2026-05-22 SWR87F YUL → ZRH May 22, 21:30 UTCMay 23, 04:25 UTC6h 55m
2026-05-22 SWR1LE ZRH → YUL May 22, 11:55 UTCMay 22, 19:15 UTC7h 20m
2026-05-21 EDW5L TPA → ZRH May 21, 01:35 UTCMay 21, 10:40 UTC9h 5m
2026-05-20 EDW4K ZRH → TPA May 20, 13:15 UTCMay 20, 23:20 UTC10h 5m
2026-05-20 EDW5L TPA → ZRH May 20, 02:20 UTCMay 20, 11:15 UTC8h 56m
2026-05-19 EDW4K ZRH → TPA May 19, 12:05 UTCMay 19, 22:05 UTC10h 0m
2026-05-17 EDW25 CUN → ZRH May 17, 00:05 UTCMay 17, 09:40 UTC9h 35m
2026-05-16 EDW24 ZRH → CUN May 16, 11:01 UTCMay 16, 22:10 UTC11h 10m
2026-05-14 EDW87 CPT → ZRH May 14, 20:40 UTCMay 15, 07:35 UTC10h 55m
2026-05-14 EDW86 ZRH → CPT May 14, 08:00 UTCMay 14, 18:50 UTC10h 50m
2026-05-13 SWR87F YUL → ZRH May 13, 21:05 UTCMay 14, 04:05 UTC7h 0m
2026-05-13 SWR1LE ZRH → YUL May 13, 11:05 UTCMay 13, 18:50 UTC7h 45m
2026-05-12 EDW87 CPT → ZRH May 12, 20:40 UTCMay 13, 07:40 UTC11h 0m
2026-05-12 EDW86 ZRH → CPT May 12, 18:25 UTCMay 12, 18:50 UTC25m
2026-05-12 EDW86 ZRH → CPT May 12, 07:45 UTCMay 12, 13:40 UTC5h 55m
2026-05-11 SWR87F YUL → ZRH May 11, 21:25 UTCMay 12, 04:05 UTC6h 40m
2026-05-11 SWR1LE ZRH → YUL May 11, 11:20 UTCMay 11, 18:55 UTC7h 35m
2026-05-09 EDW25 CUN → ZRH May 9, 20:44 UTCMay 10, 10:15 UTC13h 30m
2026-05-09 EDW25 CUN → ZRH May 9, 12:05 UTCMay 10, 10:15 UTC22h 10m
2026-05-09 EDW24 ZRH → CUN May 9, 11:30 UTCMay 10, 10:00 UTC22h 30m
2026-05-09 EDW5L TPA → ZRH May 9, 00:15 UTCMay 9, 09:15 UTC9h 0m
2026-05-08 EDW4K ZRH → TPA May 8, 12:20 UTCMay 8, 22:35 UTC10h 15m
2026-05-03 EDW25 CUN → ZRH May 3, 00:35 UTCMay 3, 10:05 UTC9h 29m
2026-05-02 EDW24 ZRH → CUN May 2, 11:15 UTCMay 2, 22:15 UTC11h 0m
2026-05-02 EDW5L TPA → ZRH May 2, 00:05 UTCMay 2, 09:00 UTC8h 55m
2026-05-01 EDW4K ZRH → TPA May 1, 11:45 UTCMay 1, 21:40 UTC9h 55m
2026-04-30 EDW45L PRN → ZRH Apr 30, 17:55 UTCApr 30, 19:40 UTC1h 45m
2026-04-30 EDW49Q ZRH → PRN Apr 30, 14:30 UTCApr 30, 15:50 UTC1h 20m
2026-04-29 EDW5L TPA → ZRH Apr 29, 23:45 UTCApr 30, 09:15 UTC9h 30m
2026-04-29 EDW4K ZRH → TPA Apr 29, 11:40 UTCApr 29, 21:25 UTC9h 45m
2026-04-28 EDW25 CUN → ZRH Apr 28, 23:35 UTCApr 29, 09:35 UTC10h 1m
2026-04-28 EDW24 ZRH → CUN Apr 28, 10:35 UTCApr 28, 21:40 UTC11h 5m
2026-04-26 EDW5L TPA → ZRH Apr 26, 23:35 UTCApr 27, 08:45 UTC9h 10m
2026-04-26 EDW4K ZRH → TPA Apr 26, 12:05 UTCApr 26, 21:40 UTC9h 35m
2026-04-26 EDW35Y PUJ → ZRH Apr 26, 00:20 UTCApr 26, 08:25 UTC8h 5m
2026-04-25 EDW34N ZRH → PUJ Apr 25, 12:05 UTCApr 25, 21:30 UTC9h 25m
2026-04-24 EDW35Y PUJ → ZRH Apr 24, 14:05 UTCApr 25, 08:40 UTC18h 35m
2026-04-24 EDW35Y PUJ → ZRH Apr 24, 12:20 UTCApr 25, 08:40 UTC20h 20m
2026-04-23 EDW25 CUN → ZRH Apr 23, 23:35 UTCApr 24, 09:40 UTC10h 5m
2026-04-23 EDW24 ZRH → CUN Apr 23, 10:45 UTCApr 23, 21:30 UTC10h 44m
2026-04-22 EDW3A LAS → ZRH Apr 22, 02:55 UTCApr 22, 13:25 UTC10h 30m
2026-04-21 EDW2M ZRH → LAS Apr 21, 12:45 UTCApr 22, 00:25 UTC11h 40m

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

Mode-S 4B1900 frequently asked

What is Mode-S code 4B1900?
4B1900 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-JME.
Where is Mode-S 4B1900 registered?
Mode-S code 4B1900 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B1900 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B1900, octal 22614400, decimal 4,921,600.
What flights does 4B1900 operate?
Mode-S 4B1900 has broadcast 18 distinct callsigns, including EDW5L, EDW35Y, EDW34N, EDW25, EDW24.