Apparatus

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sensors Mode-S transponder

4AE2A8

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-XUH · SAAB T-17 Supporter

Hex
4AE2A8
Octal
22561250
Decimal
4,907,688
Country
SE
Tail
SE-XUH
Type
MF17
No current signal · last broadcast 13d ago
Flights observed
42
Distinct callsigns
1
Country
SE
Last broadcast
13d ago

Last known position

Most recent position reported by Mode-S 4AE2A8.

Country allocation

The ICAO 24-bit address 4AE2A8 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
SEXUH - 42 2026-07-23

Recent flights last 42

DateFlightRouteTakeoffLandingDuration
2026-07-23 SEXUH - Jul 23, 11:55 UTCJul 23, 14:20 UTC2h 25m
2026-07-20 SEXUH - Jul 20, 09:05 UTCJul 20, 10:55 UTC1h 50m
2026-07-18 SEXUH - Jul 18, 09:25 UTCJul 18, 09:40 UTC15m
2026-07-17 SEXUH - Jul 17, 17:44 UTCJul 17, 18:50 UTC1h 5m
2026-07-17 SEXUH - Jul 17, 16:24 UTCJul 17, 17:09 UTC45m
2026-07-11 SEXUH - Jul 11, 15:50 UTCJul 11, 16:20 UTC30m
2026-07-09 SEXUH - Jul 9, 18:55 UTCJul 9, 19:15 UTC20m
2026-07-08 SEXUH - Jul 8, 17:10 UTCJul 8, 18:00 UTC50m
2026-07-07 SEXUH - Jul 7, 10:15 UTCJul 7, 11:25 UTC1h 10m
2026-07-04 SEXUH - Jul 4, 11:30 UTCJul 4, 13:50 UTC2h 20m
2026-06-30 SEXUH - Jun 30, 10:55 UTCJun 30, 13:25 UTC2h 30m
2026-06-30 SEXUH - Jun 30, 09:30 UTCJun 30, 10:00 UTC30m
2026-06-30 SEXUH - Jun 30, 07:25 UTCJun 30, 08:40 UTC1h 15m
2026-06-29 SEXUH - Jun 29, 10:04 UTCJun 29, 10:34 UTC30m
2026-06-29 SEXUH - Jun 29, 07:44 UTCJun 29, 08:14 UTC30m
2026-06-28 SEXUH - Jun 28, 11:25 UTCJun 28, 11:45 UTC20m
2026-06-27 SEXUH - Jun 27, 17:44 UTCJun 27, 19:39 UTC1h 55m
2026-06-25 SEXUH - Jun 25, 16:45 UTCJun 25, 19:09 UTC2h 25m
2026-06-24 SEXUH - Jun 24, 10:35 UTCJun 24, 10:55 UTC20m
2026-06-22 SEXUH - Jun 22, 12:34 UTCJun 22, 12:54 UTC20m
2026-06-21 SEXUH - Jun 21, 15:09 UTCJun 21, 15:49 UTC40m
2026-06-18 SEXUH - Jun 18, 13:40 UTCJun 18, 13:55 UTC15m
2026-06-15 SEXUH - Jun 15, 08:00 UTCJun 15, 08:45 UTC45m
2026-06-14 SEXUH - Jun 14, 11:15 UTCJun 14, 11:50 UTC35m
2026-06-14 SEXUH - Jun 14, 07:55 UTCJun 14, 08:40 UTC45m
2026-06-12 SEXUH - Jun 12, 13:20 UTCJun 12, 13:55 UTC35m
2026-06-12 SEXUH - Jun 12, 12:15 UTCJun 12, 12:45 UTC30m
2026-06-11 SEXUH - Jun 11, 08:10 UTCJun 11, 09:20 UTC1h 10m
2026-06-09 SEXUH - Jun 9, 09:55 UTCJun 9, 10:35 UTC40m
2026-06-09 SEXUH - Jun 9, 08:25 UTCJun 9, 09:05 UTC40m
2026-06-07 SEXUH - Jun 7, 11:35 UTCJun 7, 13:35 UTC2h 0m
2026-06-05 SEXUH - Jun 5, 15:25 UTCJun 5, 17:55 UTC2h 30m
2026-06-04 SEXUH - Jun 4, 11:40 UTCJun 4, 11:55 UTC15m
2026-05-30 SEXUH - May 30, 07:30 UTCMay 30, 07:55 UTC25m
2026-05-18 SEXUH - May 18, 14:45 UTCMay 18, 15:25 UTC40m
2026-05-18 SEXUH - May 18, 13:20 UTCMay 18, 13:40 UTC20m
2026-05-16 SEXUH - May 16, 13:46 UTCMay 16, 14:51 UTC1h 5m
2026-05-07 SEXUH - May 7, 18:20 UTCMay 7, 18:35 UTC15m
2026-05-07 SEXUH - May 7, 12:30 UTCMay 7, 12:45 UTC15m
2026-04-24 SEXUH - Apr 24, 14:25 UTCApr 24, 15:05 UTC40m
2026-04-24 SEXUH - Apr 24, 11:10 UTCApr 24, 11:50 UTC40m
2026-04-13 SEXUH - Apr 13, 07:20 UTCApr 13, 07:30 UTC10m

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

Mode-S 4AE2A8 frequently asked

What is Mode-S code 4AE2A8?
4AE2A8 is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-XUH.
Where is Mode-S 4AE2A8 registered?
Mode-S code 4AE2A8 is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4AE2A8 broadcasting right now?
No active broadcast right now. Last signal was 13d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4AE2A8, octal 22561250, decimal 4,907,688.
What flights does 4AE2A8 operate?
Mode-S 4AE2A8 has broadcast 1 distinct callsign, including SEXUH.