Apparatus

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sensors Mode-S transponder

4AAA4A

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-JRJ · AGUSTA AW-139

Hex
4AAA4A
Octal
22525112
Decimal
4,893,258
Country
SE
Tail
SE-JRJ
Type
A139
No current signal · last broadcast 13h ago
Flights observed
106
Distinct callsigns
1
Country
SE
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S 4AAA4A.

Country allocation

The ICAO 24-bit address 4AAA4A 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
HMF003 - 106 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 HMF003 - Jul 17, 13:05 UTCJul 17, 13:29 UTC25m
2026-07-16 HMF003 - Jul 16, 10:15 UTCJul 16, 10:40 UTC25m
2026-07-15 HMF003 - Jul 15, 19:45 UTCJul 15, 20:00 UTC15m
2026-07-15 HMF003 - Jul 15, 13:15 UTCJul 15, 14:25 UTC1h 10m
2026-07-08 HMF003 - Jul 8, 09:00 UTCJul 8, 10:10 UTC1h 10m
2026-07-07 HMF003 - Jul 7, 13:05 UTCJul 7, 13:50 UTC45m
2026-07-07 HMF003 - Jul 7, 12:10 UTCJul 7, 12:25 UTC15m
2026-07-06 HMF003 - Jul 6, 12:05 UTCJul 6, 13:05 UTC1h 0m
2026-07-06 HMF003 - Jul 6, 09:45 UTCJul 6, 10:15 UTC30m
2026-07-04 HMF003 - Jul 4, 13:45 UTCJul 4, 15:10 UTC1h 25m
2026-07-04 HMF003 - Jul 4, 10:35 UTCJul 4, 10:45 UTC10m
2026-07-03 HMF003 - Jul 3, 12:50 UTCJul 3, 13:20 UTC30m
2026-07-03 HMF003 - Jul 3, 10:25 UTCJul 3, 10:50 UTC25m
2026-07-02 HMF003 - Jul 2, 13:00 UTCJul 2, 13:10 UTC10m
2026-07-02 HMF003 - Jul 2, 12:00 UTCJul 2, 12:15 UTC15m
2026-07-01 HMF003 - Jul 1, 11:50 UTCJul 1, 12:55 UTC1h 5m
2026-07-01 HMF003 - Jul 1, 09:15 UTCJul 1, 09:45 UTC30m
2026-06-30 HMF003 - Jun 30, 13:00 UTCJun 30, 13:10 UTC10m
2026-06-29 HMF003 - Jun 29, 09:54 UTCJun 29, 10:34 UTC40m
2026-06-28 HMF003 - Jun 28, 15:05 UTCJun 28, 16:14 UTC1h 10m
2026-06-27 HMF003 - Jun 27, 14:39 UTCJun 27, 14:54 UTC15m
2026-06-27 HMF003 - Jun 27, 09:44 UTCJun 27, 09:55 UTC10m
2026-06-26 HMF003 - Jun 26, 13:30 UTCJun 26, 13:40 UTC10m
2026-06-26 HMF003 - Jun 26, 11:20 UTCJun 26, 11:34 UTC15m
2026-06-25 HMF003 - Jun 25, 14:55 UTCJun 25, 15:04 UTC10m
2026-06-25 HMF003 - Jun 25, 10:25 UTCJun 25, 10:35 UTC10m
2026-06-24 HMF003 - Jun 24, 13:34 UTCJun 24, 14:04 UTC30m
2026-06-23 HMF003 - Jun 23, 13:29 UTCJun 23, 14:44 UTC1h 15m
2026-06-21 HMF003 - Jun 21, 11:49 UTCJun 21, 13:00 UTC1h 10m
2026-06-19 HMF003 - Jun 19, 17:34 UTCJun 19, 18:14 UTC40m
2026-06-19 HMF003 - Jun 19, 12:54 UTCJun 19, 13:54 UTC1h 0m
2026-06-18 HMF003 - Jun 18, 09:25 UTCJun 18, 10:15 UTC50m
2026-06-15 HMF003 - Jun 15, 13:34 UTCJun 15, 14:24 UTC50m
2026-06-15 HMF003 - Jun 15, 12:45 UTCJun 15, 12:55 UTC10m
2026-06-13 HMF003 - Jun 13, 14:25 UTCJun 13, 14:35 UTC10m
2026-06-13 HMF003 - Jun 13, 12:20 UTCJun 13, 12:35 UTC15m
2026-06-12 HMF003 - Jun 12, 14:40 UTCJun 12, 15:45 UTC1h 5m
2026-06-11 HMF003 - Jun 11, 13:25 UTCJun 11, 14:55 UTC1h 30m
2026-06-10 HMF003 - Jun 10, 12:40 UTCJun 10, 13:45 UTC1h 5m
2026-06-09 HMF003 - Jun 9, 14:45 UTCJun 9, 15:50 UTC1h 5m
2026-06-08 HMF003 - Jun 8, 13:10 UTCJun 8, 13:55 UTC45m
2026-06-07 HMF003 - Jun 7, 13:25 UTCJun 7, 13:40 UTC15m
2026-06-07 HMF003 - Jun 7, 10:45 UTCJun 7, 10:55 UTC10m
2026-06-07 HMF003 - Jun 7, 08:55 UTCJun 7, 09:50 UTC55m
2026-06-06 HMF003 - Jun 6, 13:44 UTCJun 6, 14:00 UTC15m
2026-06-06 HMF003 - Jun 6, 12:40 UTCJun 6, 13:00 UTC20m
2026-06-04 HMF003 - Jun 4, 10:20 UTCJun 4, 11:10 UTC50m
2026-06-04 HMF003 - Jun 4, 08:15 UTCJun 4, 08:55 UTC40m
2026-06-03 HMF003 - Jun 3, 15:10 UTCJun 3, 15:20 UTC10m
2026-06-03 HMF003 - Jun 3, 12:45 UTCJun 3, 12:55 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-JRJ page for operator, model, and routing details .

Mode-S 4AAA4A frequently asked

What is Mode-S code 4AAA4A?
4AAA4A is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-JRJ.
Where is Mode-S 4AAA4A registered?
Mode-S code 4AAA4A is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4AAA4A broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4AAA4A, octal 22525112, decimal 4,893,258.
What flights does 4AAA4A operate?
Mode-S 4AAA4A has broadcast 1 distinct callsign, including HMF003.