sensors Mode-S transponder

4ACA6E

ICAO 24-bit transponder address · allocated to Sweden

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

Hex
4ACA6E
Octal
22545156
Decimal
4,901,486
Country
SE
Tail
SE-RSN
Type
E190
No current signal · last broadcast 5h ago
Flights observed
700
Distinct callsigns
20
Country
SE
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 4ACA6E.

Country allocation

The ICAO 24-bit address 4ACA6E 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
SAS355 - 10 2026-07-08
SAS338 - 10 2026-07-08
SAS320 - 10 2026-07-07
SAS1326 - 10 2026-06-28
SAS58K Scandinavian Airlines System 9 2026-06-13
SAS2306 - 9 2026-07-10
SAS2303 Scandinavian Airlines System 9 2026-07-10
SAS55D - 8 2026-06-13
SAS39K - 8 2026-06-19
SAS366 Scandinavian Airlines System 8 2026-06-14
SAS274 - 8 2026-07-04
SAS2309 - 8 2026-07-05
SAS2302 - 8 2026-07-06
SAS223 - 8 2026-07-13
SAS15E - 8 2026-06-30
SAS1327 - 8 2026-06-28
SAS1321 - 8 2026-07-03
SAS1320 - 8 2026-07-03
SAS269 Scandinavian Airlines System 7 2026-06-06
SAS1315 - 7 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SAS223 - Jul 13, 20:45 UTCJul 13, 21:25 UTC40m
2026-07-13 SAS20W MXP → OSL Jul 13, 17:00 UTCJul 13, 19:25 UTC2h 25m
2026-07-13 SAS4717 OSL → MXP Jul 13, 13:15 UTCJul 13, 15:30 UTC2h 15m
2026-07-13 SAS268 BGO → OSL Jul 13, 11:30 UTCJul 13, 12:15 UTC45m
2026-07-13 SAS263 - Jul 13, 09:50 UTCJul 13, 10:25 UTC35m
2026-07-13 SAS4744 BRU → OSL Jul 13, 07:20 UTCJul 13, 09:00 UTC1h 40m
2026-07-13 SAS66A OSL → BRU Jul 13, 04:35 UTCJul 13, 06:20 UTC1h 45m
2026-07-12 SAS4433 - Jul 12, 20:01 UTCJul 12, 21:30 UTC1h 30m
2026-07-12 SAS27E - Jul 12, 17:20 UTCJul 12, 18:45 UTC1h 25m
2026-07-12 SAS371 - Jul 12, 15:35 UTCJul 12, 16:15 UTC40m
2026-07-12 SAS354 OSL → TRD Jul 12, 14:01 UTCJul 12, 14:40 UTC40m
2026-07-12 SAS834 - Jul 12, 11:10 UTCJul 12, 13:01 UTC1h 50m
2026-07-12 SAS97F OSL → CDG Jul 12, 07:10 UTCJul 12, 09:20 UTC2h 10m
2026-07-12 SAS1317 - Jul 12, 05:15 UTCJul 12, 05:50 UTC35m
2026-07-11 SAS1330 - Jul 11, 20:25 UTCJul 11, 20:55 UTC30m
2026-07-11 SAS1483 ARN → OSL Jul 11, 18:30 UTCJul 11, 19:15 UTC45m
2026-07-11 SAS1484 - Jul 11, 16:55 UTCJul 11, 17:40 UTC45m
2026-07-11 SAS4113 - Jul 11, 14:40 UTCJul 11, 16:05 UTC1h 25m
2026-07-11 SAS4112 OSL → BOO Jul 11, 12:40 UTCJul 11, 13:50 UTC1h 10m
2026-07-11 SAS830 - Jul 11, 09:45 UTCJul 11, 11:40 UTC1h 55m
2026-07-11 SAS835 OSL → CDG Jul 11, 06:05 UTCJul 11, 08:01 UTC1h 55m
2026-07-10 SAS93L - Jul 10, 19:10 UTCJul 10, 21:10 UTC2h 0m
2026-07-10 SAS839 - Jul 10, 15:35 UTCJul 10, 17:35 UTC2h 0m
2026-07-10 SAS2306 - Jul 10, 13:35 UTCJul 10, 14:05 UTC30m
2026-07-10 SAS2303 OSL → KSU Jul 10, 12:00 UTCJul 10, 12:30 UTC30m
2026-07-10 SAS834 - Jul 10, 08:40 UTCJul 10, 10:30 UTC1h 50m
2026-07-10 SAS97F - Jul 10, 05:05 UTCJul 10, 07:05 UTC2h 0m
2026-07-09 SAS83G - Jul 9, 17:15 UTCJul 9, 18:45 UTC1h 30m
2026-07-09 SAS50J - Jul 9, 14:40 UTCJul 9, 16:05 UTC1h 25m
2026-07-09 SAS4417 TOS → OSL Jul 9, 12:10 UTCJul 9, 13:35 UTC1h 25m
2026-07-09 SAS53F - Jul 9, 09:40 UTCJul 9, 11:10 UTC1h 30m
2026-07-09 SAS47Y - Jul 9, 08:00 UTCJul 9, 08:35 UTC35m
2026-07-09 SAS332 - Jul 9, 06:35 UTCJul 9, 07:20 UTC45m
2026-07-09 SAS1313 - Jul 9, 04:15 UTCJul 9, 04:50 UTC35m
2026-07-08 SAS1334 - Jul 8, 22:00 UTCJul 8, 22:30 UTC30m
2026-07-08 SAS842 ZRH → OSL Jul 8, 18:55 UTCJul 8, 21:10 UTC2h 15m
2026-07-08 SAS841 OSL → ZRH Jul 8, 15:55 UTCJul 8, 17:40 UTC1h 45m
2026-07-08 SAS2306 - Jul 8, 14:20 UTCJul 8, 14:55 UTC35m
2026-07-08 SAS2303 OSL → KSU Jul 8, 12:35 UTCJul 8, 13:10 UTC35m
2026-07-08 SAS355 TRD → OSL Jul 8, 10:35 UTCJul 8, 11:10 UTC35m
2026-07-08 SAS338 - Jul 8, 09:05 UTCJul 8, 09:50 UTC45m
2026-07-08 SAS1315 - Jul 8, 07:25 UTCJul 8, 07:55 UTC30m
2026-07-08 SAS1314 - Jul 8, 05:45 UTCJul 8, 06:15 UTC30m
2026-07-08 SAS72H - Jul 8, 04:05 UTCJul 8, 04:45 UTC40m
2026-07-07 SAS320 - Jul 7, 20:25 UTCJul 7, 20:55 UTC30m
2026-07-07 SAS73B - Jul 7, 18:40 UTCJul 7, 19:20 UTC40m
2026-07-07 SAS364 - Jul 7, 17:15 UTCJul 7, 18:00 UTC45m
2026-07-07 SAS365 TRD → OSL Jul 7, 13:30 UTCJul 7, 14:10 UTC40m
2026-07-07 SAS350 OSL → TRD Jul 7, 11:55 UTCJul 7, 12:40 UTC45m
2026-07-07 SAS78K DUS → OSL Jul 7, 09:30 UTCJul 7, 11:05 UTC1h 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 SE-RSN page for operator, model, and routing details .

Mode-S 4ACA6E frequently asked

What is Mode-S code 4ACA6E?
4ACA6E is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RSN.
Where is Mode-S 4ACA6E registered?
Mode-S code 4ACA6E is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4ACA6E broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4ACA6E, octal 22545156, decimal 4,901,486.
What flights does 4ACA6E operate?
Mode-S 4ACA6E has broadcast 20 distinct callsigns, including SAS355, SAS338, SAS320, SAS1326, SAS58K.