sensors Mode-S transponder

4BCDE6

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-SOF · BOEING 737-800

Hex
4BCDE6
Octal
22746746
Decimal
4,967,910
Country
TR
Tail
TC-SOF
Type
B738
No current signal · last broadcast 19m ago
Flights observed
342
Distinct callsigns
20
Country
TR
Last broadcast
19m ago

Last known position

Most recent position reported by Mode-S 4BCDE6.

Country allocation

The ICAO 24-bit address 4BCDE6 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
SXS78U SunExpress 6 2026-06-20
SXS77Z - 6 2026-06-20
SXS98G - 5 2026-07-04
SXS8RG - 5 2026-07-08
SXS7QF - 5 2026-07-04
SXS7EC - 5 2026-07-07
SXS75K - 5 2026-07-07
SXS9SC SunExpress 4 2026-05-27
SXS8SD - 4 2026-06-16
SXS3ZA - 4 2026-07-14
SXS1ZM - 4 2026-07-14
SXS1CM - 4 2026-07-08
SXS8SA - 3 2026-06-25
SXS8KW - 3 2026-07-11
SXS8CP - 3 2026-07-06
SXS8BU - 3 2026-04-17
SXS7HX SunExpress 3 2026-05-05
SXS7CC - 3 2026-07-02
SXS6DA - 3 2026-06-17
SXS5TM SunExpress 3 2026-04-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SXS1ZM STR → AYT Jul 14, 14:45 UTCJul 14, 17:25 UTC2h 40m
2026-07-14 SXS3ZA - Jul 14, 10:30 UTCJul 14, 13:40 UTC3h 10m
2026-07-14 SXS9UK PRG → AYT Jul 14, 06:20 UTCJul 14, 08:50 UTC2h 30m
2026-07-14 SXS8SR - Jul 14, 02:10 UTCJul 14, 04:55 UTC2h 45m
2026-07-13 SXS8QB - Jul 13, 14:45 UTCJul 13, 15:40 UTC55m
2026-07-13 SXS8NK ZRH → AYT Jul 13, 07:55 UTCJul 13, 13:40 UTC5h 45m
2026-07-12 SXS3SU - Jul 12, 18:20 UTCJul 13, 06:01 UTC11h 40m
2026-07-12 SXS4WE - Jul 12, 13:45 UTCJul 12, 17:01 UTC3h 15m
2026-07-12 SXS3AH - Jul 12, 10:25 UTCJul 12, 11:01 UTC35m
2026-07-12 SXS9WA PAD → AYT Jul 12, 00:50 UTCJul 12, 04:01 UTC3h 10m
2026-07-11 SXS4WM AYT → PAD Jul 11, 20:20 UTCJul 11, 23:50 UTC3h 30m
2026-07-11 SXS16E - Jul 11, 15:45 UTCJul 11, 18:45 UTC3h 0m
2026-07-11 SXS8TG - Jul 11, 11:30 UTCJul 11, 14:40 UTC3h 10m
2026-07-11 SXS5VH SZF → AYT Jul 11, 09:50 UTCJul 11, 10:05 UTC15m
2026-07-11 SXS8QB - Jul 11, 07:00 UTCJul 11, 07:55 UTC55m
2026-07-11 SXS8KW PAD → AYT Jul 11, 01:35 UTCJul 11, 04:50 UTC3h 15m
2026-07-10 SXS4UQ - Jul 10, 21:05 UTCJul 11, 00:35 UTC3h 30m
2026-07-10 SXS8AR DTM → AYT Jul 10, 16:10 UTCJul 10, 18:55 UTC2h 45m
2026-07-10 SXS2JA - Jul 10, 11:30 UTCJul 10, 14:30 UTC3h 0m
2026-07-10 SXS5NW - Jul 10, 07:10 UTCJul 10, 09:40 UTC2h 30m
2026-07-10 SXS4RM - Jul 10, 02:55 UTCJul 10, 05:55 UTC3h 0m
2026-07-09 SXS14E - Jul 9, 22:30 UTCJul 10, 01:30 UTC3h 0m
2026-07-09 SXS6PZ - Jul 9, 17:45 UTCJul 9, 21:20 UTC3h 35m
2026-07-09 SXS7617 VAN → AYT Jul 9, 11:00 UTCJul 9, 15:30 UTC4h 30m
2026-07-09 SXS6DP - Jul 9, 06:50 UTCJul 9, 09:00 UTC2h 10m
2026-07-09 SXS43G - Jul 9, 02:55 UTCJul 9, 05:25 UTC2h 30m
2026-07-08 SXS4FV - Jul 8, 16:25 UTCJul 8, 20:10 UTC3h 45m
2026-07-08 SXS1CM - Jul 8, 11:00 UTCJul 8, 14:00 UTC3h 0m
2026-07-08 SXS8RG - Jul 8, 09:10 UTCJul 8, 09:40 UTC30m
2026-07-08 SXS8RG - Jul 8, 06:20 UTCJul 8, 09:05 UTC2h 45m
2026-07-07 SXS75K HAJ → AYT Jul 7, 23:50 UTCJul 8, 02:45 UTC2h 55m
2026-07-07 SXS7EC - Jul 7, 18:55 UTCJul 7, 22:30 UTC3h 35m
2026-07-07 SXS1ZM - Jul 7, 14:40 UTCJul 7, 17:25 UTC2h 45m
2026-07-07 SXS3ZA - Jul 7, 10:15 UTCJul 7, 13:30 UTC3h 15m
2026-07-07 SXS8LW - Jul 7, 05:45 UTCJul 7, 08:25 UTC2h 40m
2026-07-06 SXS8CP DUS → STR Jul 6, 19:25 UTCJul 7, 04:20 UTC8h 55m
2026-07-06 SXS3AH - Jul 6, 10:35 UTCJul 6, 11:05 UTC30m
2026-07-06 SXS2 - Jul 6, 06:10 UTCJul 6, 09:10 UTC3h 0m
2026-07-06 SXS6BD - Jul 6, 01:15 UTCJul 6, 04:30 UTC3h 15m
2026-07-05 SXS7XG FRA → SZF Jul 5, 19:05 UTCJul 5, 21:25 UTC2h 20m
2026-07-05 SXS1 - Jul 5, 14:05 UTCJul 5, 17:25 UTC3h 20m
2026-07-05 SXS5BV - Jul 5, 09:10 UTCJul 5, 12:35 UTC3h 25m
2026-07-05 SXS4QE - Jul 5, 04:35 UTCJul 5, 08:05 UTC3h 30m
2026-07-05 SXS8VF - Jul 5, 00:50 UTCJul 5, 02:15 UTC1h 25m
2026-07-04 SXS5CJ - Jul 4, 22:05 UTCJul 4, 23:35 UTC1h 30m
2026-07-04 SXS98G DUS → AYT Jul 4, 17:30 UTCJul 4, 20:35 UTC3h 5m
2026-07-04 SXS7QF - Jul 4, 12:35 UTCJul 4, 16:20 UTC3h 45m
2026-07-04 SXS5ZP - Jul 4, 08:20 UTCJul 4, 11:05 UTC2h 45m
2026-07-04 SXS2MD - Jul 4, 03:50 UTCJul 4, 07:10 UTC3h 20m
2026-07-03 SXS11A - Jul 3, 23:00 UTCJul 4, 01:55 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 TC-SOF page for operator, model, and routing details .

Mode-S 4BCDE6 frequently asked

What is Mode-S code 4BCDE6?
4BCDE6 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-SOF.
Where is Mode-S 4BCDE6 registered?
Mode-S code 4BCDE6 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BCDE6 broadcasting right now?
No active broadcast right now. Last signal was 19m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BCDE6, octal 22746746, decimal 4,967,910.
What flights does 4BCDE6 operate?
Mode-S 4BCDE6 has broadcast 20 distinct callsigns, including SXS78U, SXS77Z, SXS98G, SXS8RG, SXS7QF.