sensors Mode-S transponder

4AC9C6

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-RNF · BOEING 737 MAX 8

Hex
4AC9C6
Octal
22544706
Decimal
4,901,318
Country
SE
Tail
SE-RNF
Type
B38M
Broadcasting now · callsign BLX158 · 24,850 ft
Flights observed
371
Distinct callsigns
20
Country
SE
Last broadcast
Jul 26, 19:55 UTC

Current position

4AC9C6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4AC9C6 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

Callsign Airline Flights Last seen
BLX1VM TUIfly Nordic 9 2026-07-26
BLX70Y - 8 2026-07-22
BLX535 TUIfly Nordic 8 2026-07-26
BLX261 TUIfly Nordic 8 2026-07-20
BLX8HC TUIfly Nordic 7 2026-06-12
BLX697 TUIfly Nordic 7 2026-07-26
BLX537 - 7 2026-06-26
BLX3BH TUIfly Nordic 7 2026-06-12
BLX386 TUIfly Nordic 7 2026-07-24
BLX385 TUIfly Nordic 7 2026-07-24
BLX383 TUIfly Nordic 7 2026-07-25
BLX233 - 7 2026-07-15
BLX1FA - 7 2026-07-25
BLX152 TUIfly Nordic 7 2026-07-21
BLX151 TUIfly Nordic 7 2026-07-21
BLX132 TUIfly Nordic 7 2026-07-25
BLX131 TUIfly Nordic 7 2026-07-25
BLX9PT - 6 2026-07-23
BLX8BV - 6 2026-06-25
BLX536 TUIfly Nordic 6 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 BLX535 GOT → AYT Jul 26, 16:35 UTCJul 26, 19:55 UTC3h 20m
2026-07-26 BLX1VM CHQ → GOT Jul 26, 10:30 UTCJul 26, 14:10 UTC3h 40m
2026-07-26 BLX697 GOT → CHQ Jul 26, 05:35 UTCJul 26, 08:35 UTC3h 1m
2026-07-25 BLX1FA - Jul 25, 19:45 UTCJul 25, 23:25 UTC3h 40m
2026-07-25 BLX383 GOT → RHO Jul 25, 14:45 UTCJul 25, 18:00 UTC3h 15m
2026-07-25 BLX132 PMI → GOT Jul 25, 09:35 UTCJul 25, 12:20 UTC2h 45m
2026-07-25 BLX131 GOT → PMI Jul 25, 04:45 UTCJul 25, 07:40 UTC2h 55m
2026-07-24 BLX362 LCA → GOT Jul 24, 20:55 UTCJul 25, 01:00 UTC4h 5m
2026-07-24 BLX361 GOT → LCA Jul 24, 15:30 UTCJul 24, 19:10 UTC3h 40m
2026-07-24 BLX386 RHO → GOT Jul 24, 10:40 UTCJul 24, 14:15 UTC3h 35m
2026-07-24 BLX385 GOT → RHO Jul 24, 05:20 UTCJul 24, 08:35 UTC3h 15m
2026-07-23 BLX502 MAH → GOT Jul 23, 20:45 UTCJul 24, 00:10 UTC3h 25m
2026-07-23 BLX501 GOT → KGS Jul 23, 15:50 UTCJul 23, 19:00 UTC3h 10m
2026-07-23 BLX9PT - Jul 23, 10:45 UTCJul 23, 14:10 UTC3h 25m
2026-07-23 BLX397 ARN → CHQ Jul 23, 05:35 UTCJul 23, 08:45 UTC3h 10m
2026-07-22 BLX70Y - Jul 22, 10:20 UTCJul 22, 18:10 UTC7h 50m
2026-07-21 BLX152 PMI → GOT Jul 21, 20:10 UTCJul 21, 23:05 UTC2h 55m
2026-07-21 BLX151 GOT → PMI Jul 21, 15:40 UTCJul 21, 18:20 UTC2h 40m
2026-07-21 BLX466 SMI → GOT Jul 21, 10:10 UTCJul 21, 13:25 UTC3h 15m
2026-07-21 BLX465 GOT → SMI Jul 21, 05:05 UTCJul 21, 08:05 UTC3h 0m
2026-07-20 BLX1LM LCA → GOT Jul 20, 11:15 UTCJul 20, 15:15 UTC4h 0m
2026-07-20 BLX261 GOT → LCA Jul 20, 05:20 UTCJul 20, 09:15 UTC3h 55m
2026-07-19 BLX536 AYT → GOT Jul 19, 21:40 UTCJul 20, 01:05 UTC3h 25m
2026-07-19 BLX535 GOT → AYT Jul 19, 16:30 UTCJul 19, 20:00 UTC3h 30m
2026-07-19 BLX1VM CHQ → GOT Jul 19, 10:35 UTCJul 19, 13:55 UTC3h 20m
2026-07-19 BLX697 GOT → CHQ Jul 19, 05:25 UTCJul 19, 08:40 UTC3h 15m
2026-07-18 BLX1FA - Jul 18, 20:35 UTCJul 19, 00:00 UTC3h 25m
2026-07-18 BLX383 GOT → RHO Jul 18, 15:25 UTCJul 18, 18:45 UTC3h 20m
2026-07-18 BLX132 PMI → GOT Jul 18, 09:50 UTCJul 18, 12:25 UTC2h 35m
2026-07-18 BLX131 GOT → PMI Jul 18, 05:10 UTCJul 18, 08:10 UTC3h 0m
2026-07-17 BLX362 LCA → GOT Jul 17, 21:05 UTCJul 18, 01:05 UTC4h 0m
2026-07-17 BLX361 GOT → LCA Jul 17, 15:40 UTCJul 17, 19:30 UTC3h 50m
2026-07-17 BLX386 RHO → GOT Jul 17, 10:15 UTCJul 17, 13:50 UTC3h 35m
2026-07-17 BLX385 GOT → RHO Jul 17, 05:15 UTCJul 17, 08:30 UTC3h 15m
2026-07-16 BLX502 MAH → GOT Jul 16, 20:25 UTCJul 16, 23:44 UTC3h 20m
2026-07-16 BLX501 - Jul 16, 15:45 UTCJul 16, 19:05 UTC3h 20m
2026-07-16 BLX9PT - Jul 16, 10:59 UTCJul 16, 14:15 UTC3h 15m
2026-07-16 BLX397 - Jul 16, 06:20 UTCJul 16, 09:35 UTC3h 15m
2026-07-15 BLX70Y - Jul 15, 13:15 UTCJul 15, 17:55 UTC4h 40m
2026-07-15 BLX233 - Jul 15, 06:25 UTCJul 15, 11:25 UTC5h 0m
2026-07-14 BLX152 - Jul 14, 20:05 UTCJul 14, 23:05 UTC2h 59m
2026-07-14 BLX151 - Jul 14, 15:50 UTCJul 14, 18:40 UTC2h 50m
2026-07-14 BLX466 - Jul 14, 10:00 UTCJul 14, 13:15 UTC3h 15m
2026-07-14 BLX465 - Jul 14, 05:15 UTCJul 14, 08:15 UTC3h 0m
2026-07-13 BLX1LM - Jul 13, 10:55 UTCJul 13, 14:55 UTC4h 0m
2026-07-13 BLX261 - Jul 13, 05:25 UTCJul 13, 09:20 UTC3h 55m
2026-07-12 BLX536 - Jul 12, 21:25 UTCJul 13, 00:50 UTC3h 25m
2026-07-12 BLX535 - Jul 12, 16:25 UTCJul 12, 20:01 UTC3h 35m
2026-07-12 BLX1VM - Jul 12, 10:40 UTCJul 12, 14:05 UTC3h 25m
2026-07-12 BLX697 - Jul 12, 05:25 UTCJul 12, 08:45 UTC3h 20m

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

Mode-S 4AC9C6 frequently asked

What is Mode-S code 4AC9C6?
4AC9C6 is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RNF.
Where is Mode-S 4AC9C6 registered?
Mode-S code 4AC9C6 is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4AC9C6 broadcasting right now?
Yes. Mode-S 4AC9C6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4AC9C6, octal 22544706, decimal 4,901,318.
What flights does 4AC9C6 operate?
Mode-S 4AC9C6 has broadcast 20 distinct callsigns, including BLX1VM, BLX70Y, BLX535, BLX261, BLX8HC.