Apparatus

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sensors Mode-S transponder

4BCDE3

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-SOC · BOEING 737-800

Hex
4BCDE3
Octal
22746743
Decimal
4,967,907
Country
TR
Tail
TC-SOC
Type
B738
Broadcasting now · callsign SXS13X · 36,000 ft
Flights observed
179
Distinct callsigns
20
Country
TR
Last broadcast
3h ago

Current position

4BCDE3 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4BCDE3 falls within the block assigned to Turkey (TR) by ICAO Annex 10, Volume III. Every aircraft registered in Turkey 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
SXS8GT SunExpress 8 2026-05-12
SXS3XK SunExpress 7 2026-05-12
SXS4RN SunExpress 6 2026-05-27
SXS3RT SunExpress 6 2026-05-27
SXS2CY SunExpress 5 2026-05-19
SXS4MB SunExpress 4 2026-05-18
SXS2LL SunExpress 4 2026-05-27
SXS1MG SunExpress 4 2026-04-15
SXS9SR - 3 2026-04-18
SXS8LW SunExpress 3 2026-05-15
SXS75H SunExpress 3 2026-05-29
SXS6RK SunExpress 3 2026-05-22
SXS5KX - 3 2026-04-13
SXS4SB - 3 2026-05-15
SXS46A SunExpress 3 2026-05-23
SXS3XF SunExpress 3 2026-04-15
SXS3WH SunExpress 3 2026-05-18
SXS3DZ SunExpress 3 2026-05-25
SXS2ZN SunExpress 3 2026-05-26
SXS9PA SunExpress 2 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SXS75H STN → AYT May 29, 19:25 UTCMay 29, 23:05 UTC3h 40m
2026-05-29 SXS7FZ AYT → STN May 29, 14:00 UTCMay 29, 18:10 UTC4h 10m
2026-05-28 SXS5MQ MAN → AYT May 28, 16:45 UTCMay 28, 20:40 UTC3h 55m
2026-05-28 SXS8KP DIY → HAJ May 28, 10:15 UTCMay 28, 15:00 UTC4h 45m
2026-05-28 SXS6TD BRU → ADB May 28, 06:10 UTCMay 28, 08:20 UTC2h 10m
2026-05-28 SXS3DQ - May 28, 02:20 UTCMay 28, 04:50 UTC2h 30m
2026-05-27 SXS2LL STR → AYT May 27, 18:45 UTCMay 27, 21:40 UTC2h 55m
2026-05-27 SXS5NG AYT → STR May 27, 14:25 UTCMay 27, 17:40 UTC3h 15m
2026-05-27 SXS4RN STN → AYT May 27, 09:00 UTCMay 27, 12:15 UTC3h 15m
2026-05-27 SXS3RT AYT → SCN May 27, 04:39 UTCMay 27, 07:55 UTC3h 15m
2026-05-26 SXS14E FMO → AYT May 26, 22:29 UTCMay 27, 00:44 UTC2h 15m
2026-05-26 SXS6PZ AYT → FMO May 26, 17:50 UTCMay 26, 21:09 UTC3h 20m
2026-05-26 SXS8RZ - May 26, 11:54 UTCMay 26, 16:20 UTC4h 25m
2026-05-26 SXS9BR AYT → DUB May 26, 06:04 UTCMay 26, 10:50 UTC4h 45m
2026-05-26 SXS2ZN NUE → AYT May 26, 01:00 UTCMay 26, 04:00 UTC3h 0m
2026-05-25 SXS3DZ AYT → NUE May 25, 20:50 UTCMay 25, 23:45 UTC2h 55m
2026-05-25 SXS16E BER → AYT May 25, 15:45 UTCMay 25, 18:45 UTC3h 0m
2026-05-25 SXS8TG AYT → BER May 25, 11:25 UTCMay 25, 14:30 UTC3h 5m
2026-05-25 SXS3EL VAN → AYT May 25, 09:50 UTCMay 25, 10:05 UTC15m
2026-05-25 SXS5HC AYT → VAN May 25, 05:45 UTCMay 25, 06:10 UTC25m
2026-05-24 SXS75H STN → AYT May 24, 23:00 UTCMay 24, 23:10 UTC10m
2026-05-24 SXS75H STN → AYT May 24, 19:25 UTCMay 24, 21:45 UTC2h 20m
2026-05-24 SXS7FZ AYT → STN May 24, 14:15 UTCMay 24, 18:15 UTC4h 0m
2026-05-24 SXS8HN HAM → AYT May 24, 09:15 UTCMay 24, 12:35 UTC3h 20m
2026-05-24 SXS9LQ AYT → HAM May 24, 04:30 UTCMay 24, 07:55 UTC3h 25m
2026-05-23 SXS4QN BHX → AYT May 23, 16:20 UTCMay 23, 20:35 UTC4h 15m
2026-05-23 SXS3YT HAM → AYT May 23, 10:35 UTCMay 23, 14:35 UTC4h 0m
2026-05-23 SXS46A STR → AYT May 23, 06:05 UTCMay 23, 08:55 UTC2h 50m
2026-05-22 SXS1ST STR → DIY May 22, 20:10 UTCMay 22, 22:30 UTC2h 20m
2026-05-22 SXS6RK AYT → STR May 22, 15:45 UTCMay 22, 18:55 UTC3h 10m
2026-05-22 SXS6AL LEJ → AYT May 22, 11:05 UTCMay 22, 14:05 UTC3h 0m
2026-05-22 SXS8JX AYT → LEJ May 22, 06:45 UTCMay 22, 09:50 UTC3h 5m
2026-05-22 SXS78J TIA → AYT May 22, 01:05 UTCMay 22, 02:40 UTC1h 35m
2026-05-21 SXS6QM AYT → TIA May 21, 22:15 UTCMay 21, 23:30 UTC1h 15m
2026-05-21 SXS5MQ MAN → AYT May 21, 16:01 UTCMay 21, 20:00 UTC4h 0m
2026-05-21 SXS8KP DIY → HAJ May 21, 10:00 UTCMay 21, 14:25 UTC4h 25m
2026-05-21 SXS3KG ASR → AYT May 21, 08:10 UTCMay 21, 08:25 UTC15m
2026-05-20 SXS1BA DUS → ASR May 20, 19:30 UTCMay 20, 22:05 UTC2h 35m
2026-05-20 SXS7WQ DUS → DLM May 20, 13:20 UTCMay 20, 13:50 UTC30m
2026-05-20 SXS9PA GNY → AYT May 20, 09:35 UTCMay 20, 09:50 UTC15m
2026-05-20 SXS9PA GNY → AYT May 20, 06:15 UTCMay 20, 08:45 UTC2h 30m
2026-05-19 SXS2CY ESB → DUS May 19, 08:50 UTCMay 20, 04:10 UTC19h 20m
2026-05-19 SXS2CY ESB → DUS May 19, 08:00 UTCMay 20, 04:10 UTC20h 10m
2026-05-18 SXS8YQ ESB → FRA May 18, 10:50 UTCMay 19, 05:40 UTC18h 49m
2026-05-18 SXS3WH BRU → ESB May 18, 10:25 UTCMay 19, 05:40 UTC19h 14m
2026-05-18 SXS4MB ESB → BRU May 18, 05:00 UTCMay 18, 08:01 UTC3h 0m
2026-05-17 SXS4MB ESB → BRU May 17, 10:50 UTCMay 18, 08:01 UTC21h 10m
2026-05-17 SXS1729 AMS → BRU May 17, 09:35 UTCMay 18, 08:01 UTC22h 25m
2026-05-16 SXS1728 - May 16, 21:40 UTCMay 17, 08:00 UTC10h 20m
2026-05-16 SXS4CD - May 16, 18:55 UTCMay 16, 21:30 UTC2h 35m

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 TC-SOC page for operator, model, and routing details .

Mode-S 4BCDE3 frequently asked

What is Mode-S code 4BCDE3?
4BCDE3 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-SOC.
Where is Mode-S 4BCDE3 registered?
Mode-S code 4BCDE3 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BCDE3 broadcasting right now?
Yes. Mode-S 4BCDE3 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BCDE3, octal 22746743, decimal 4,967,907.
What flights does 4BCDE3 operate?
Mode-S 4BCDE3 has broadcast 20 distinct callsigns, including SXS8GT, SXS3XK, SXS4RN, SXS3RT, SXS2CY.