Apparatus

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sensors Mode-S transponder

4ACA14

ICAO 24-bit transponder address · allocated to Sweden

Currently assigned to SE-RPT · BOEING 737-800

Hex
4ACA14
Octal
22545024
Decimal
4,901,396
Country
SE
Tail
SE-RPT
Type
B738
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
565
Distinct callsigns
20
Country
SE
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S 4ACA14.

Country allocation

The ICAO 24-bit address 4ACA14 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
NSZ9BH Norwegian Air Sweden AOC 9 2026-07-21
NSZ3229 - 9 2026-07-17
NSZ8YZ - 8 2026-06-25
NSZ3302 Norwegian Air Sweden AOC 8 2026-06-25
NSZ3228 Norwegian Air Sweden AOC 8 2026-07-17
NSZ3089 - 8 2026-07-11
NSZ3084 - 8 2026-07-11
NSZ3080 - 8 2026-07-21
NSZ9RA Norwegian Air Sweden AOC 7 2026-06-08
NSZ8ML - 7 2026-06-17
NSZ89C - 7 2026-06-17
NSZ3303 - 7 2026-06-25
NSZ3095 Norwegian Air Sweden AOC 7 2026-06-08
NSZ3093 - 7 2026-06-25
NSZ9GY - 6 2026-06-18
NSZ5GT - 6 2026-07-05
NSZ3079 - 6 2026-06-18
NSZ2NZ - 6 2026-06-25
NSZ8FI - 5 2026-06-18
NSZ82F - 5 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NSZ3705 MAD → CPH Jul 26, 19:05 UTCJul 26, 21:45 UTC2h 40m
2026-07-26 NSZ3704 CPH → MAD Jul 26, 14:55 UTCJul 26, 17:30 UTC2h 35m
2026-07-26 NSZ3513 LGW → CPH Jul 26, 12:00 UTCJul 26, 13:25 UTC1h 25m
2026-07-26 NSZ3512 CPH → LGW Jul 26, 09:05 UTCJul 26, 10:40 UTC1h 35m
2026-07-26 NSZ3222 OSL → CPH Jul 26, 07:15 UTCJul 26, 08:05 UTC50m
2026-07-26 NSZ3KM CPH → OSL Jul 26, 05:40 UTCJul 26, 06:30 UTC50m
2026-07-25 NSZ21FC FAO → CPH Jul 25, 16:25 UTCJul 25, 19:40 UTC3h 15m
2026-07-25 NSZ2TC CPH → FAO Jul 25, 12:10 UTCJul 25, 15:30 UTC3h 20m
2026-07-25 NSZ5HM ALC → CPH Jul 25, 08:15 UTCJul 25, 10:50 UTC2h 35m
2026-07-25 NSZ64N PMI → CPH Jul 25, 04:35 UTCJul 25, 07:15 UTC2h 40m
2026-07-24 NSZ3287 SPU → CPH Jul 24, 20:20 UTCJul 24, 22:20 UTC2h 0m
2026-07-24 NSZ3288 CPH → SPU Jul 24, 17:15 UTCJul 24, 18:40 UTC1h 25m
2026-07-24 NSZ3159 HEL → HEL Jul 24, 14:30 UTCJul 24, 15:45 UTC1h 15m
2026-07-24 NSZ3158 CPH → CPH Jul 24, 12:25 UTCJul 24, 13:45 UTC1h 20m
2026-07-24 NSZ7VR PSA → CPH Jul 24, 09:35 UTCJul 24, 11:35 UTC2h 0m
2026-07-24 NSZ6UK CPH → PSA Jul 24, 06:30 UTCJul 24, 08:20 UTC1h 50m
2026-07-24 NSZ3355 CHQ → CPH Jul 24, 01:10 UTCJul 24, 04:20 UTC3h 10m
2026-07-23 NSZ3354 CPH → CHQ Jul 23, 20:55 UTCJul 23, 23:35 UTC2h 40m
2026-07-23 NSZ3519 LGW → CPH Jul 23, 18:25 UTCJul 23, 19:50 UTC1h 25m
2026-07-23 NSZ3518 CPH → LGW Jul 23, 15:55 UTCJul 23, 17:25 UTC1h 30m
2026-07-23 NSZ3MC LGW → CPH Jul 23, 13:20 UTCJul 23, 14:50 UTC1h 30m
2026-07-23 NSZ4EV CPH → LGW Jul 23, 10:35 UTCJul 23, 12:05 UTC1h 30m
2026-07-23 NSZ3641 NCE → CPH Jul 23, 07:35 UTCJul 23, 09:30 UTC1h 55m
2026-07-23 NSZ3640 CPH → NCE Jul 23, 04:30 UTCJul 23, 06:30 UTC2h 0m
2026-07-22 NSZ4WF ATH → CPH Jul 22, 19:45 UTCJul 22, 22:50 UTC3h 5m
2026-07-22 NSZ3376 CPH → ATH Jul 22, 15:05 UTCJul 22, 17:55 UTC2h 50m
2026-07-22 NSZ5KA BUD → CPH Jul 22, 12:35 UTCJul 22, 14:05 UTC1h 30m
2026-07-22 NSZ3FZ CPH → BUD Jul 22, 11:10 UTCJul 22, 11:35 UTC25m
2026-07-22 NSZ6UK CPH → PSA Jul 22, 04:20 UTCJul 22, 10:25 UTC6h 5m
2026-07-21 NSZ3521 LGW → CPH Jul 21, 19:50 UTCJul 21, 21:20 UTC1h 30m
2026-07-21 NSZ3534 BLL → LGW Jul 21, 17:20 UTCJul 21, 18:35 UTC1h 15m
2026-07-21 NSZ3535 LGW → BLL Jul 21, 15:10 UTCJul 21, 16:20 UTC1h 10m
2026-07-21 NSZ3516 CPH → LGW Jul 21, 12:20 UTCJul 21, 13:55 UTC1h 35m
2026-07-21 NSZ3197 ARN → CPH Jul 21, 10:05 UTCJul 21, 10:55 UTC50m
2026-07-21 NSZ3196 CPH → ARN Jul 21, 08:20 UTCJul 21, 09:15 UTC55m
2026-07-21 NSZ9BH AAL → CPH Jul 21, 07:05 UTCJul 21, 07:30 UTC25m
2026-07-21 NSZ3080 CPH → AAL Jul 21, 05:40 UTCJul 21, 06:10 UTC30m
2026-07-20 NSZ3733 FCO → CPH Jul 20, 20:30 UTCJul 20, 22:35 UTC2h 5m
2026-07-20 NSZ3732 - Jul 20, 17:20 UTCJul 20, 19:20 UTC2h 0m
2026-07-20 NSZ3527 MAN → CPH Jul 20, 14:55 UTCJul 20, 16:30 UTC1h 35m
2026-07-20 NSZ5GL CPH → MAN Jul 20, 11:15 UTCJul 20, 12:45 UTC1h 30m
2026-07-20 NSZ3289 - Jul 20, 08:10 UTCJul 20, 10:00 UTC1h 50m
2026-07-20 NSZ3288 - Jul 20, 05:05 UTCJul 20, 06:50 UTC1h 45m
2026-07-19 NSZ3705 MAD → CPH Jul 19, 19:25 UTCJul 19, 22:05 UTC2h 40m
2026-07-19 NSZ3704 - Jul 19, 14:55 UTCJul 19, 17:55 UTC3h 0m
2026-07-19 NSZ3513 LGW → CPH Jul 19, 11:50 UTCJul 19, 13:20 UTC1h 30m
2026-07-19 NSZ3512 CPH → LGW Jul 19, 09:10 UTCJul 19, 10:45 UTC1h 35m
2026-07-19 NSZ3222 OSL → CPH Jul 19, 07:25 UTCJul 19, 08:15 UTC50m
2026-07-19 NSZ3KM CPH → OSL Jul 19, 05:40 UTCJul 19, 06:30 UTC50m
2026-07-18 NSZ4WF ATH → CPH Jul 18, 19:30 UTCJul 18, 22:25 UTC2h 55m

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

Mode-S 4ACA14 frequently asked

What is Mode-S code 4ACA14?
4ACA14 is an ICAO 24-bit transponder address. Allocated to Sweden. Assigned to SE-RPT.
Where is Mode-S 4ACA14 registered?
Mode-S code 4ACA14 is allocated to Sweden (SE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4ACA14 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4ACA14, octal 22545024, decimal 4,901,396.
What flights does 4ACA14 operate?
Mode-S 4ACA14 has broadcast 20 distinct callsigns, including NSZ9BH, NSZ3229, NSZ8YZ, NSZ3302, NSZ3228.