sensors Mode-S transponder

4ACA69

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-RSI · EMBRAER ERJ-190-200

Hex
4ACA69
Octal
22545151
Decimal
4,901,481
Country
SE
Tail
SE-RSI
Type
E195
No current signal · last broadcast 9h ago
Flights observed
358
Distinct callsigns
20
Country
SE
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S 4ACA69.

Country allocation

The ICAO 24-bit address 4ACA69 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SAS54B OSL → TRD May 29, 18:20 UTCMay 29, 19:00 UTC40m
2026-05-29 SAS462 CPH → OSL May 29, 16:30 UTCMay 29, 17:25 UTC55m
2026-05-29 SAS10C OSL → CPH May 29, 14:30 UTCMay 29, 15:35 UTC1h 5m
2026-05-29 SAS1466 CPH → OSL May 29, 12:00 UTCMay 29, 12:55 UTC55m
2026-05-29 SAS1457 OSL → CPH May 29, 10:05 UTCMay 29, 10:55 UTC50m
2026-05-29 SAS4016 SVG → OSL May 29, 08:20 UTCMay 29, 08:55 UTC35m
2026-05-29 SAS4017 OSL → SVG May 29, 07:00 UTCMay 29, 07:35 UTC35m
2026-05-29 SAS39K HAU → OSL May 29, 04:50 UTCMay 29, 05:30 UTC40m
2026-05-28 SAS320 OSL → HAU May 28, 19:10 UTCMay 28, 19:45 UTC35m
2026-05-28 SAS319 HAU → OSL May 28, 17:15 UTCMay 28, 17:55 UTC40m
2026-05-28 SAS77E OSL → HAU May 28, 15:55 UTCMay 28, 16:25 UTC30m
2026-05-28 SAS1321 AES → OSL May 28, 14:20 UTCMay 28, 14:55 UTC35m
2026-05-28 SAS1320 OSL → AES May 28, 12:45 UTCMay 28, 13:20 UTC35m
2026-05-28 SAS58K SVG → OSL May 28, 11:10 UTCMay 28, 11:45 UTC35m
2026-05-28 SAS55D OSL → SVG May 28, 09:40 UTCMay 28, 10:15 UTC35m
2026-05-28 SAS1313 AES → OSL May 28, 05:10 UTCMay 28, 05:40 UTC30m
2026-05-27 SAS1330 OSL → AES May 27, 19:10 UTCMay 27, 19:45 UTC35m
2026-05-27 SAS2308 KSU → OSL May 27, 17:25 UTCMay 27, 18:00 UTC35m
2026-05-27 SAS2305 OSL → KSU May 27, 15:55 UTCMay 27, 16:35 UTC40m
2026-05-27 SAS274 BGO → OSL May 27, 14:05 UTCMay 27, 14:40 UTC35m
2026-05-27 SAS269 OSL → BGO May 27, 12:45 UTCMay 27, 13:20 UTC35m
2026-05-27 SAS355 TRD → OSL May 27, 11:00 UTCMay 27, 11:40 UTC40m
2026-05-27 SAS338 OSL → TRD May 27, 09:35 UTCMay 27, 10:20 UTC45m
2026-05-27 SAS1313 AES → OSL May 27, 05:09 UTCMay 27, 05:45 UTC35m
2026-05-26 SAS1330 OSL → AES May 26, 19:05 UTCMay 26, 19:40 UTC35m
2026-05-26 SAS222 KRS → OSL May 26, 17:44 UTCMay 26, 18:14 UTC30m
2026-05-26 SAS221 OSL → KRS May 26, 16:20 UTCMay 26, 16:59 UTC40m
2026-05-26 SAS1466 CPH → OSL May 26, 12:00 UTCMay 26, 12:54 UTC55m
2026-05-26 SAS1457 OSL → CPH May 26, 10:05 UTCMay 26, 10:54 UTC50m
2026-05-26 SAS2304 KSU → OSL May 26, 08:19 UTCMay 26, 08:50 UTC30m
2026-05-26 SAS2301 OSL → KSU May 26, 06:44 UTCMay 26, 07:24 UTC40m
2026-05-26 SAS15E KRS → OSL May 26, 05:15 UTCMay 26, 05:54 UTC40m
2026-05-25 SAS223 OSL → KRS May 25, 19:00 UTCMay 25, 19:35 UTC34m
2026-05-25 SAS222 KRS → OSL May 25, 17:10 UTCMay 25, 17:50 UTC40m
2026-05-25 SAS221 OSL → KRS May 25, 15:50 UTCMay 25, 16:20 UTC30m
2026-05-25 SAS71A BOO → OSL May 25, 12:05 UTCMay 25, 13:15 UTC1h 10m
2026-05-25 SAS67B OSL → BOO May 25, 10:05 UTCMay 25, 11:20 UTC1h 15m
2026-05-25 SAS2304 KSU → OSL May 25, 08:25 UTCMay 25, 08:55 UTC30m
2026-05-25 SAS2301 OSL → KSU May 25, 06:40 UTCMay 25, 07:25 UTC45m
2026-05-25 SAS39K HAU → OSL May 25, 04:50 UTCMay 25, 05:20 UTC30m
2026-05-24 SAS320 OSL → HAU May 24, 20:20 UTCMay 24, 21:05 UTC45m
2026-05-24 SAS497 OSL → ARN May 24, 18:15 UTCMay 24, 19:05 UTC50m
2026-05-24 SAS496 OSL → ARN May 24, 16:45 UTCMay 24, 17:25 UTC40m
2026-05-24 SAS274 BGO → OSL May 24, 14:55 UTCMay 24, 15:30 UTC35m
2026-05-24 SAS269 OSL → BGO May 24, 13:25 UTCMay 24, 14:10 UTC45m
2026-05-24 SAS71A BOO → OSL May 24, 10:45 UTCMay 24, 11:55 UTC1h 10m
2026-05-24 SAS67B OSL → BOO May 24, 08:45 UTCMay 24, 09:55 UTC1h 10m
2026-05-24 SAS4010 SVG → OSL May 24, 07:10 UTCMay 24, 07:45 UTC35m
2026-05-23 SAS4055 OSL → SVG May 23, 19:55 UTCMay 23, 20:35 UTC40m
2026-05-23 SAS39A BOO → OSL May 23, 18:05 UTCMay 23, 19:15 UTC1h 11m

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

Mode-S 4ACA69 frequently asked

What is Mode-S code 4ACA69?
4ACA69 is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RSI.
Where is Mode-S 4ACA69 registered?
Mode-S code 4ACA69 is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4ACA69 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4ACA69, octal 22545151, decimal 4,901,481.
What flights does 4ACA69 operate?
Mode-S 4ACA69 has broadcast 20 distinct callsigns, including SAS58K, SAS55D, SAS1313, SAS39K, SAS320.