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sensors Mode-S transponder

4ACA6B

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-RSK · EMBRAER ERJ-190-100

Hex
4ACA6B
Octal
22545153
Decimal
4,901,483
Country
SE
Tail
SE-RSK
Type
E190
No current signal · last broadcast Jul 26, 20:35 UTC
Flights observed
772
Distinct callsigns
20
Country
SE
Last broadcast
Jul 26, 20:35 UTC

Last known position

Most recent position reported by Mode-S 4ACA6B.

Country allocation

The ICAO 24-bit address 4ACA6B falls within the block assigned to Sweden (SE) by ICAO Annex 10, Volume III. Every aircraft registered in Sweden 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
SAS215 Scandinavian Airlines System 15 2026-07-23
SAS216 Scandinavian Airlines System 13 2026-07-23
SAS58A - 11 2026-06-23
SAS4174 Scandinavian Airlines System 9 2026-06-11
SAS4561 Scandinavian Airlines System 8 2026-06-12
SAS4552 Scandinavian Airlines System 8 2026-06-12
SAS15E - 8 2026-07-15
SAS320 - 7 2026-07-12
SAS252 Scandinavian Airlines System 7 2026-07-19
SAS48C Scandinavian Airlines System 6 2026-07-23
SAS4176 - 6 2026-06-15
SAS4170 - 6 2026-06-23
SAS355 Scandinavian Airlines System 6 2026-07-25
SAS338 Scandinavian Airlines System 6 2026-07-25
SAS277 Scandinavian Airlines System 6 2026-07-23
SAS24F - 6 2026-07-08
SAS1905 - 6 2026-06-19
SAS1314 - 6 2026-07-18
SAS93P Scandinavian Airlines System 5 2026-06-11
SAS92R Scandinavian Airlines System 5 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SAS74M SVG → OSL Jul 26, 20:00 UTCJul 26, 20:35 UTC35m
2026-07-26 SAS4045 OSL → SVG Jul 26, 18:40 UTCJul 26, 19:20 UTC40m
2026-07-26 SAS4427 TOS → OSL Jul 26, 16:05 UTCJul 26, 17:40 UTC1h 35m
2026-07-26 SAS4422 OSL → TOS Jul 26, 13:40 UTCJul 26, 15:00 UTC1h 20m
2026-07-26 SAS1456 CPH → OSL Jul 26, 11:10 UTCJul 26, 12:00 UTC50m
2026-07-26 SAS1467 OSL → CPH Jul 26, 09:00 UTCJul 26, 09:55 UTC55m
2026-07-26 SAS83D CPH → OSL Jul 26, 07:10 UTCJul 26, 08:00 UTC50m
2026-07-26 SAS1463 OSL → CPH Jul 26, 05:05 UTCJul 26, 05:55 UTC50m
2026-07-25 SAS897 ARN → OSL Jul 25, 19:40 UTCJul 25, 20:25 UTC45m
2026-07-25 SAS886 OSL → ARN Jul 25, 18:00 UTCJul 25, 18:40 UTC40m
2026-07-25 SAS4042 SVG → OSL Jul 25, 16:35 UTCJul 25, 17:20 UTC45m
2026-07-25 SAS4043 OSL → SVG Jul 25, 15:15 UTCJul 25, 15:55 UTC40m
2026-07-25 SAS361 TRD → OSL Jul 25, 12:55 UTCJul 25, 13:40 UTC45m
2026-07-25 SAS42G OSL → TRD Jul 25, 11:30 UTCJul 25, 12:10 UTC40m
2026-07-25 SAS355 TRD → OSL Jul 25, 09:50 UTCJul 25, 10:35 UTC45m
2026-07-25 SAS338 OSL → TRD Jul 25, 08:25 UTCJul 25, 09:05 UTC40m
2026-07-25 SAS260 BGO → OSL Jul 25, 06:55 UTCJul 25, 07:30 UTC35m
2026-07-25 SAS88E OSL → BGO Jul 25, 05:20 UTCJul 25, 06:05 UTC45m
2026-07-24 SAS1472 CPH → OSL Jul 24, 19:45 UTCJul 24, 20:40 UTC55m
2026-07-24 SAS77K OSL → CPH Jul 24, 17:30 UTCJul 24, 18:20 UTC50m
2026-07-24 SAS371 TRD → OSL Jul 24, 15:50 UTCJul 24, 16:35 UTC45m
2026-07-24 SAS354 OSL → TRD Jul 24, 14:15 UTCJul 24, 15:00 UTC45m
2026-07-24 SAS4113 BOO → OSL Jul 24, 12:00 UTCJul 24, 13:15 UTC1h 15m
2026-07-24 SAS4112 OSL → BOO Jul 24, 10:00 UTCJul 24, 11:15 UTC1h 15m
2026-07-24 SAS4107 BOO → OSL Jul 24, 07:55 UTCJul 24, 09:10 UTC1h 15m
2026-07-24 SAS61G OSL → BOO Jul 24, 05:50 UTCJul 24, 07:00 UTC1h 10m
2026-07-24 SAS238 BGO → OSL Jul 24, 04:05 UTCJul 24, 04:45 UTC40m
2026-07-23 SAS295 OSL → BGO Jul 23, 20:30 UTCJul 23, 21:15 UTC45m
2026-07-23 SAS48C BGO → OSL Jul 23, 17:40 UTCJul 23, 18:15 UTC35m
2026-07-23 SAS277 OSL → BGO Jul 23, 16:15 UTCJul 23, 16:55 UTC40m
2026-07-23 SAS216 KRS → OSL Jul 23, 14:50 UTCJul 23, 15:25 UTC35m
2026-07-23 SAS215 OSL → KRS Jul 23, 13:40 UTCJul 23, 14:10 UTC30m
2026-07-23 SAS4704 NCE → OSL Jul 23, 09:45 UTCJul 23, 12:40 UTC2h 55m
2026-07-23 SAS4703 OSL → NCE Jul 23, 04:50 UTCJul 23, 07:25 UTC2h 35m
2026-07-21 SAS4042 - Jul 21, 19:15 UTCJul 21, 19:55 UTC40m
2026-07-21 SAS4043 - Jul 21, 16:10 UTCJul 21, 16:50 UTC40m
2026-07-21 SAS274 BGO → OSL Jul 21, 14:50 UTCJul 21, 15:20 UTC30m
2026-07-21 SAS269 OSL → BGO Jul 21, 13:25 UTCJul 21, 14:05 UTC40m
2026-07-21 SAS268 BGO → OSL Jul 21, 11:45 UTCJul 21, 12:25 UTC40m
2026-07-21 SAS263 OSL → BGO Jul 21, 10:05 UTCJul 21, 10:45 UTC40m
2026-07-21 SAS4744 BRU → OSL Jul 21, 07:20 UTCJul 21, 09:10 UTC1h 50m
2026-07-21 SAS66A OSL → BRU Jul 21, 04:35 UTCJul 21, 06:05 UTC1h 30m
2026-07-20 SAS4097 EVE → OSL Jul 20, 20:15 UTCJul 20, 21:25 UTC1h 10m
2026-07-20 SAS4096 OSL → EVE Jul 20, 17:40 UTCJul 20, 18:55 UTC1h 15m
2026-07-20 SAS274 BGO → OSL Jul 20, 14:30 UTCJul 20, 15:10 UTC40m
2026-07-20 SAS269 OSL → BGO Jul 20, 13:05 UTCJul 20, 13:45 UTC40m
2026-07-20 SAS4720 MXP → OSL Jul 20, 09:50 UTCJul 20, 12:05 UTC2h 15m
2026-07-20 SAS4719 OSL → MXP Jul 20, 06:00 UTCJul 20, 08:15 UTC2h 15m
2026-07-20 SAS2302 KSU → OSL Jul 20, 04:10 UTCJul 20, 04:45 UTC35m
2026-07-19 SAS2309 - Jul 19, 20:00 UTCJul 19, 20:30 UTC30m

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 SE-RSK page for operator, model, and routing details .

Mode-S 4ACA6B frequently asked

What is Mode-S code 4ACA6B?
4ACA6B is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RSK.
Where is Mode-S 4ACA6B registered?
Mode-S code 4ACA6B is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4ACA6B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4ACA6B, octal 22545153, decimal 4,901,483.
What flights does 4ACA6B operate?
Mode-S 4ACA6B has broadcast 20 distinct callsigns, including SAS215, SAS216, SAS58A, SAS4174, SAS4561.