sensors Mode-S transponder

4ACA76

ICAO 24-bit transponder address · allocated to Sweden

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

Hex
4ACA76
Octal
22545166
Decimal
4,901,494
Country
SE
Tail
SE-RSV
Type
E195
No current signal · last broadcast 12h ago
Flights observed
11
Distinct callsigns
9
Country
SE
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 4ACA76.

Country allocation

The ICAO 24-bit address 4ACA76 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 9 distinct

Callsign Airline Flights Last seen
SAS4616 - 3 2026-04-13
SAS58K Scandinavian Airlines System 1 2026-04-14
SAS48G - 1 2026-04-13
SAS4615 - 1 2026-04-12
SAS4194 - 1 2026-04-13
SAS4176 - 1 2026-04-13
SAS4170 - 1 2026-04-13
SAS4167 Scandinavian Airlines System 1 2026-04-13
SAS4133 Scandinavian Airlines System 1 2026-04-14

Recent flights last 11

DateFlightRouteTakeoffLandingDuration
2026-04-14 SAS58K SVG → OSL Apr 14, 10:55 UTCApr 14, 11:05 UTC10m
2026-04-14 SAS4133 BGO → SVG Apr 14, 05:15 UTCApr 14, 05:30 UTC15m
2026-04-13 SAS4194 - Apr 13, 20:05 UTCApr 13, 20:30 UTC25m
2026-04-13 SAS4616 - Apr 13, 18:00 UTCApr 13, 18:30 UTC30m
2026-04-13 SAS4616 - Apr 13, 16:20 UTCApr 13, 16:50 UTC30m
2026-04-13 SAS48G - Apr 13, 14:50 UTCApr 13, 15:05 UTC15m
2026-04-13 SAS4176 - Apr 13, 13:35 UTCApr 13, 13:55 UTC20m
2026-04-13 SAS4167 BGO → SVG Apr 13, 12:25 UTCApr 13, 12:40 UTC15m
2026-04-13 SAS4170 - Apr 13, 10:55 UTCApr 13, 11:20 UTC25m
2026-04-12 SAS4616 - Apr 12, 19:40 UTCApr 12, 20:10 UTC30m
2026-04-12 SAS4615 - Apr 12, 18:00 UTCApr 12, 18:55 UTC55m

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

Mode-S 4ACA76 frequently asked

What is Mode-S code 4ACA76?
4ACA76 is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RSV.
Where is Mode-S 4ACA76 registered?
Mode-S code 4ACA76 is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4ACA76 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4ACA76, octal 22545166, decimal 4,901,494.
What flights does 4ACA76 operate?
Mode-S 4ACA76 has broadcast 9 distinct callsigns, including SAS4616, SAS58K, SAS48G, SAS4615, SAS4194.