Apparatus

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sensors Mode-S transponder

4AAA6F

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-JSO · AGUSTA AW-139

Hex
4AAA6F
Octal
22525157
Decimal
4,893,295
Country
SE
Tail
SE-JSO
Type
A139
No current signal · last broadcast Jul 26, 03:50 UTC
Flights observed
202
Distinct callsigns
1
Country
SE
Last broadcast
Jul 26, 03:50 UTC

Last known position

Most recent position reported by Mode-S 4AAA6F.

Country allocation

The ICAO 24-bit address 4AAA6F 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 1 distinct

Callsign Airline Flights Last seen
DFL5720 - 202 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DFL5720 - Jul 26, 03:00 UTCJul 26, 03:45 UTC45m
2026-07-26 DFL5720 - Jul 26, 00:05 UTCJul 26, 01:00 UTC55m
2026-07-25 DFL5720 - Jul 25, 22:40 UTCJul 25, 23:25 UTC45m
2026-07-25 DFL5720 - Jul 25, 21:10 UTCJul 25, 21:45 UTC35m
2026-07-25 DFL5720 - Jul 25, 20:35 UTCJul 25, 20:45 UTC10m
2026-07-25 DFL5720 - Jul 25, 19:25 UTCJul 25, 19:35 UTC10m
2026-07-25 DFL5720 - Jul 25, 17:50 UTCJul 25, 18:45 UTC55m
2026-07-25 DFL5720 - Jul 25, 12:35 UTCJul 25, 13:25 UTC50m
2026-07-25 DFL5720 - Jul 25, 11:55 UTCJul 25, 12:05 UTC10m
2026-07-20 DFL5720 - Jul 20, 12:40 UTCJul 20, 12:50 UTC10m
2026-07-20 DFL5720 - Jul 20, 10:55 UTCJul 20, 11:35 UTC40m
2026-07-20 DFL5720 - Jul 20, 08:55 UTCJul 20, 09:25 UTC30m
2026-07-20 DFL5720 - Jul 20, 08:30 UTCJul 20, 08:40 UTC10m
2026-07-19 DFL5720 - Jul 19, 22:10 UTCJul 19, 22:25 UTC15m
2026-07-19 DFL5720 - Jul 19, 20:25 UTCJul 19, 21:45 UTC1h 20m
2026-07-19 DFL5720 - Jul 19, 20:10 UTCJul 19, 20:20 UTC10m
2026-07-18 DFL5720 - Jul 18, 17:45 UTCJul 18, 17:55 UTC10m
2026-07-18 DFL5720 - Jul 18, 16:40 UTCJul 18, 17:30 UTC50m
2026-07-18 DFL5720 - Jul 18, 14:35 UTCJul 18, 15:45 UTC1h 10m
2026-07-18 DFL5720 - Jul 18, 10:30 UTCJul 18, 12:10 UTC1h 40m
2026-07-18 DFL5720 - Jul 18, 10:00 UTCJul 18, 10:15 UTC15m
2026-07-17 DFL5720 - Jul 17, 13:40 UTCJul 17, 13:50 UTC10m
2026-07-17 DFL5720 - Jul 17, 11:10 UTCJul 17, 12:45 UTC1h 35m
2026-07-17 DFL5720 - Jul 17, 07:14 UTCJul 17, 08:54 UTC1h 40m
2026-07-17 DFL5720 - Jul 17, 06:45 UTCJul 17, 06:54 UTC10m
2026-07-15 DFL5720 - Jul 15, 23:20 UTCJul 15, 23:35 UTC15m
2026-07-15 DFL5720 - Jul 15, 23:05 UTCJul 15, 23:15 UTC10m
2026-07-15 DFL5720 - Jul 15, 21:35 UTCJul 15, 22:30 UTC55m
2026-07-15 DFL5720 - Jul 15, 20:15 UTCJul 15, 21:05 UTC50m
2026-07-15 DFL5720 - Jul 15, 19:40 UTCJul 15, 19:50 UTC10m
2026-07-14 DFL5720 - Jul 14, 17:45 UTCJul 14, 17:55 UTC10m
2026-07-14 DFL5720 - Jul 14, 16:55 UTCJul 14, 17:35 UTC40m
2026-07-14 DFL5720 - Jul 14, 14:40 UTCJul 14, 15:25 UTC45m
2026-07-14 DFL5720 - Jul 14, 14:20 UTCJul 14, 14:30 UTC10m
2026-07-13 DFL5720 - Jul 13, 07:30 UTCJul 13, 07:45 UTC15m
2026-07-13 DFL5720 - Jul 13, 04:50 UTCJul 13, 06:40 UTC1h 50m
2026-07-12 DFL5720 - Jul 12, 19:30 UTCJul 12, 19:40 UTC10m
2026-07-12 DFL5720 - Jul 12, 18:35 UTCJul 12, 19:05 UTC30m
2026-07-12 DFL5720 - Jul 12, 17:45 UTCJul 12, 17:55 UTC10m
2026-07-12 DFL5720 - Jul 12, 14:30 UTCJul 12, 16:10 UTC1h 40m
2026-07-12 DFL5720 - Jul 12, 14:05 UTCJul 12, 14:15 UTC10m
2026-07-12 DFL5720 - Jul 12, 09:00 UTCJul 12, 09:15 UTC15m
2026-07-12 DFL5720 - Jul 12, 08:05 UTCJul 12, 08:45 UTC40m
2026-07-12 DFL5720 - Jul 12, 05:10 UTCJul 12, 05:40 UTC30m
2026-07-12 DFL5720 - Jul 12, 04:45 UTCJul 12, 04:55 UTC10m
2026-07-11 DFL5720 - Jul 11, 18:40 UTCJul 11, 18:50 UTC10m
2026-07-11 DFL5720 - Jul 11, 18:00 UTCJul 11, 18:15 UTC15m
2026-07-11 DFL5720 - Jul 11, 16:50 UTCJul 11, 17:25 UTC35m
2026-07-11 DFL5720 - Jul 11, 15:20 UTCJul 11, 16:05 UTC45m
2026-07-11 DFL5720 - Jul 11, 15:00 UTCJul 11, 15:05 UTC5m

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

Mode-S 4AAA6F frequently asked

What is Mode-S code 4AAA6F?
4AAA6F is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-JSO.
Where is Mode-S 4AAA6F registered?
Mode-S code 4AAA6F is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4AAA6F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 03:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4AAA6F, octal 22525157, decimal 4,893,295.
What flights does 4AAA6F operate?
Mode-S 4AAA6F has broadcast 1 distinct callsign, including DFL5720.