Apparatus

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sensors Mode-S transponder

4B028C

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-AZC · EMBRAER ERJ-190-300

Hex
4B028C
Octal
22601214
Decimal
4,915,852
Country
CH
Tail
HB-AZC
Type
E290
No current signal · last broadcast Jul 26, 21:20 UTC
Flights observed
625
Distinct callsigns
20
Country
CH
Last broadcast
Jul 26, 21:20 UTC

Last known position

Most recent position reported by Mode-S 4B028C.

Country allocation

The ICAO 24-bit address 4B028C 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
SWR1108 Swiss International Air Lines 20 2026-07-23
SWR9ZV Swiss International Air Lines 19 2026-07-24
SWR896B Swiss International Air Lines 12 2026-07-24
SWR1102 Swiss International Air Lines 12 2026-07-24
SWR7PW Swiss International Air Lines 11 2026-07-25
SWR166M - 11 2026-07-25
SWR4AH - 10 2026-07-20
SWR457 - 10 2026-07-20
SWR7DF Swiss International Air Lines 9 2026-07-26
SWR3MD Swiss International Air Lines 9 2026-07-26
SWR9GD - 8 2026-07-13
SWR85D Swiss International Air Lines 8 2026-07-24
SWR7GK - 8 2026-07-24
SWR3WZ - 8 2026-07-13
SWR3VB Swiss International Air Lines 7 2026-07-23
SWR3EZ Swiss International Air Lines 7 2026-07-23
SWR23F Swiss International Air Lines 7 2026-06-23
SWR78Y - 6 2026-07-03
SWR51D - 6 2026-07-04
SWR3DY - 6 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWR48E ZRH → GOT Jul 26, 19:40 UTCJul 26, 21:20 UTC1h 40m
2026-07-26 SWR849W DUS → ZRH Jul 26, 17:15 UTCJul 26, 18:00 UTC45m
2026-07-26 SWR43E ZRH → DUS Jul 26, 15:25 UTCJul 26, 16:20 UTC55m
2026-07-26 SWR7DF MRS → ZRH Jul 26, 12:55 UTCJul 26, 13:50 UTC55m
2026-07-26 SWR3MD ZRH → MRS Jul 26, 10:55 UTCJul 26, 11:50 UTC55m
2026-07-26 SWR2267 DBV → ZRH Jul 26, 08:00 UTCJul 26, 09:35 UTC1h 35m
2026-07-26 SWR59H ZRH → DBV Jul 26, 05:45 UTCJul 26, 07:05 UTC1h 21m
2026-07-25 SWR4Q MRS → ZRH Jul 25, 18:40 UTCJul 25, 19:35 UTC55m
2026-07-25 SWR841C ZRH → MRS Jul 25, 16:05 UTCJul 25, 17:30 UTC1h 25m
2026-07-25 SWR166M - Jul 25, 14:25 UTCJul 25, 15:00 UTC35m
2026-07-25 SWR7PW ZRH → MUC Jul 25, 12:20 UTCJul 25, 13:00 UTC40m
2026-07-25 SWR241D MAD → ZRH Jul 25, 09:15 UTCJul 25, 11:10 UTC1h 55m
2026-07-25 SWR430H ZRH → MAD Jul 25, 05:35 UTCJul 25, 07:35 UTC2h 0m
2026-07-24 SWR85D ZRH → ALC Jul 24, 18:25 UTCJul 24, 19:40 UTC1h 15m
2026-07-24 SWR7GK ZRH → LCY Jul 24, 16:20 UTCJul 24, 17:30 UTC1h 10m
2026-07-24 SWR9YP ZRH → LHR Jul 24, 14:05 UTCJul 24, 15:05 UTC1h 0m
2026-07-24 SWR9GE ZRH → BER Jul 24, 11:55 UTCJul 24, 13:10 UTC1h 15m
2026-07-24 SWR896B MUC → ZRH Jul 24, 09:35 UTCJul 24, 10:10 UTC35m
2026-07-24 SWR1102 ZRH → MUC Jul 24, 07:35 UTCJul 24, 08:20 UTC45m
2026-07-24 SWR9ZV ZRH → OSL Jul 24, 06:00 UTCJul 24, 06:30 UTC30m
2026-07-23 SWR1108 ZRH → MUC Jul 23, 19:30 UTCJul 23, 20:10 UTC40m
2026-07-23 SWR2PH GRZ → ZRH Jul 23, 16:55 UTCJul 23, 17:50 UTC55m
2026-07-23 SWR77M ZRH → GRZ Jul 23, 15:10 UTCJul 23, 16:00 UTC50m
2026-07-23 SWR83B - Jul 23, 13:20 UTCJul 23, 14:05 UTC45m
2026-07-23 SWR4ZW ZRH → DUS Jul 23, 11:20 UTCJul 23, 12:15 UTC55m
2026-07-23 SWR3VB LCY → ZRH Jul 23, 08:45 UTCJul 23, 10:00 UTC1h 15m
2026-07-23 SWR3EZ ZRH → LCY Jul 23, 06:20 UTCJul 23, 07:40 UTC1h 20m
2026-07-22 SWR979E - Jul 22, 19:00 UTCJul 22, 20:05 UTC1h 5m
2026-07-22 SWR15V ZRH → BER Jul 22, 16:55 UTCJul 22, 18:00 UTC1h 5m
2026-07-22 SWR7PZ WAW → ZRH Jul 22, 13:40 UTCJul 22, 15:15 UTC1h 35m
2026-07-22 SWR139K ZRH → WAW Jul 22, 11:10 UTCJul 22, 12:45 UTC1h 35m
2026-07-21 SWR5AT KRK → ZRH Jul 21, 17:45 UTCJul 21, 19:05 UTC1h 20m
2026-07-21 SWR4DM ZRH → KRK Jul 21, 15:40 UTCJul 21, 16:55 UTC1h 15m
2026-07-21 SWR166M - Jul 21, 13:45 UTCJul 21, 14:20 UTC35m
2026-07-21 SWR7PW ZRH → MUC Jul 21, 11:50 UTCJul 21, 12:30 UTC40m
2026-07-21 SWR896B MUC → ZRH Jul 21, 09:40 UTCJul 21, 10:15 UTC35m
2026-07-21 SWR1102 ZRH → MUC Jul 21, 07:45 UTCJul 21, 08:20 UTC35m
2026-07-21 SWR9ZV ZRH → OSL Jul 21, 05:55 UTCJul 21, 06:35 UTC40m
2026-07-20 SWR1108 ZRH → MUC Jul 20, 19:30 UTCJul 20, 20:00 UTC30m
2026-07-20 SWR4Q - Jul 20, 17:05 UTCJul 20, 18:00 UTC55m
2026-07-20 SWR841C - Jul 20, 14:50 UTCJul 20, 15:50 UTC1h 0m
2026-07-20 SWR457 - Jul 20, 12:15 UTCJul 20, 13:30 UTC1h 15m
2026-07-20 SWR4AH ZRH → LCY Jul 20, 10:10 UTCJul 20, 11:25 UTC1h 15m
2026-07-20 SWR44E - Jul 20, 08:00 UTCJul 20, 09:00 UTC1h 0m
2026-07-20 SWR97Y ZRH → BER Jul 20, 05:35 UTCJul 20, 06:45 UTC1h 10m
2026-07-19 SWR90A GWT → ZRH Jul 19, 17:30 UTCJul 19, 18:40 UTC1h 10m
2026-07-19 SWR730M ZRH → GWT Jul 19, 15:10 UTCJul 19, 16:25 UTC1h 15m
2026-07-19 SWR3DY STR → ZRH Jul 19, 13:30 UTCJul 19, 13:55 UTC25m
2026-07-19 SWR1DT ZRH → STR Jul 19, 12:05 UTCJul 19, 12:35 UTC30m
2026-07-19 SWR1841 ATH → ZRH Jul 19, 08:15 UTCJul 19, 10:45 UTC2h 30m

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

Mode-S 4B028C frequently asked

What is Mode-S code 4B028C?
4B028C is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-AZC.
Where is Mode-S 4B028C registered?
Mode-S code 4B028C is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B028C broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B028C, octal 22601214, decimal 4,915,852.
What flights does 4B028C operate?
Mode-S 4B028C has broadcast 20 distinct callsigns, including SWR1108, SWR9ZV, SWR896B, SWR1102, SWR7PW.