Apparatus

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sensors Mode-S transponder

4BCDD4

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-SNT · BOEING 737-800

Hex
4BCDD4
Octal
22746724
Decimal
4,967,892
Country
TR
Tail
TC-SNT
Type
B738
Broadcasting now · callsign SXS98G · 28,850 ft
Flights observed
110
Distinct callsigns
20
Country
TR
Last broadcast
1h ago

Current position

4BCDD4 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4BCDD4 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
SXS9UL SunExpress 4 2026-05-22
SXS6NH - 4 2026-04-13
SXS4QN SunExpress 4 2026-05-15
SXS3YT SunExpress 4 2026-05-15
SXS62C - 3 2026-04-15
SXS5YP - 3 2026-04-14
SXS5AR - 3 2026-04-13
SXS4UA SunExpress 3 2026-04-15
SXS21F - 3 2026-04-18
SXS9UK SunExpress 2 2026-05-28
SXS9KN SunExpress 2 2026-05-19
SXS98G SunExpress 2 2026-05-30
SXS8SR SunExpress 2 2026-05-28
SXS8QB SunExpress 2 2026-05-20
SXS7QF SunExpress 2 2026-05-30
SXS5VH - 2 2026-05-20
SXS58U SunExpress 2 2026-05-22
SXS4TM SunExpress 2 2026-04-18
SXS3UU SunExpress 2 2026-05-21
SXS3KB SunExpress 2 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 SXS98G DUS → AYT May 30, 17:40 UTCMay 30, 19:00 UTC1h 20m
2026-05-30 SXS7QF AYT → DUS May 30, 12:25 UTCMay 30, 16:10 UTC3h 45m
2026-05-30 SXS9LY VIE → AYT May 30, 08:35 UTCMay 30, 10:45 UTC2h 10m
2026-05-30 SXS9HN AYT → VIE May 30, 04:45 UTCMay 30, 07:25 UTC2h 40m
2026-05-29 SXS2DU BRU → AYT May 29, 17:05 UTCMay 29, 19:50 UTC2h 45m
2026-05-29 SXS7VV ADB → MLX May 29, 12:15 UTCMay 29, 15:30 UTC3h 15m
2026-05-29 SXS5ZP ZRH → AYT May 29, 08:15 UTCMay 29, 11:00 UTC2h 45m
2026-05-29 SXS2MD AYT → ZRH May 29, 03:20 UTCMay 29, 06:40 UTC3h 20m
2026-05-28 SXS98G DUS → AYT May 28, 18:00 UTCMay 28, 21:05 UTC3h 5m
2026-05-28 SXS7QF AYT → DUS May 28, 12:35 UTCMay 28, 16:20 UTC3h 45m
2026-05-28 SXS9UK PRG → AYT May 28, 06:45 UTCMay 28, 09:20 UTC2h 35m
2026-05-28 SXS8SR AYT → PRG May 28, 02:05 UTCMay 28, 05:05 UTC3h 0m
2026-05-27 SXS4TF BTS → AYT May 27, 22:30 UTCMay 28, 00:45 UTC2h 15m
2026-05-27 SXS6PR AYT → BTS May 27, 19:00 UTCMay 27, 21:30 UTC2h 30m
2026-05-27 SXS6ZW EDI → AYT May 27, 12:30 UTCMay 27, 16:45 UTC4h 15m
2026-05-27 SXS5LJ ASR → EAP May 27, 06:15 UTCMay 27, 10:50 UTC4h 35m
2026-05-27 SXS7KN FMO → AYT May 27, 00:30 UTCMay 27, 03:50 UTC3h 20m
2026-05-26 SXS52N - May 26, 19:40 UTCMay 26, 22:59 UTC3h 20m
2026-05-26 SXS1ZN HAM → AYT May 26, 11:50 UTCMay 26, 15:09 UTC3h 20m
2026-05-26 SXS6EG AYT → HAM May 26, 07:10 UTCMay 26, 10:34 UTC3h 25m
2026-05-26 SXS84K HAJ → AYT May 26, 01:34 UTCMay 26, 04:39 UTC3h 5m
2026-05-25 SXS3XA - May 25, 21:15 UTCMay 26, 00:24 UTC3h 10m
2026-05-25 SXS6ZH ADB → AYT May 25, 19:15 UTCMay 25, 19:54 UTC40m
2026-05-25 SXS2HB - May 25, 17:40 UTCMay 25, 18:15 UTC35m
2026-05-25 SXS2WH LTN → AYT May 25, 12:20 UTCMay 25, 16:15 UTC3h 55m
2026-05-25 SXS3NM AYT → LTN May 25, 06:25 UTCMay 25, 10:35 UTC4h 10m
2026-05-24 SXS4QP NUE → AYT May 24, 23:00 UTCMay 24, 23:46 UTC46m
2026-05-24 SXS3ER DRS → AYT May 24, 18:45 UTCMay 24, 21:35 UTC2h 50m
2026-05-24 SXS1JM LGW → AYT May 24, 11:25 UTCMay 24, 15:15 UTC3h 50m
2026-05-24 SXS2VN AYT → LGW May 24, 05:25 UTCMay 24, 09:25 UTC4h 0m
2026-05-23 SXS5CQ ERF → AYT May 23, 23:35 UTCMay 24, 02:30 UTC2h 55m
2026-05-23 SXS35K AYT → ERF May 23, 19:25 UTCMay 23, 22:30 UTC3h 5m
2026-05-23 SXS1ZM STR → AYT May 23, 14:45 UTCMay 23, 17:45 UTC3h 0m
2026-05-23 SXS3ZA ADB → SAW May 23, 10:25 UTCMay 23, 13:25 UTC3h 0m
2026-05-23 SXS9UK PRG → AYT May 23, 06:20 UTCMay 23, 09:05 UTC2h 45m
2026-05-23 SXS8SR AYT → PRG May 23, 02:15 UTCMay 23, 05:05 UTC2h 49m
2026-05-22 SXS8RQ BRS → AYT May 22, 18:05 UTCMay 22, 22:00 UTC3h 55m
2026-05-22 SXS4JV AYT → BRS May 22, 12:35 UTCMay 22, 17:00 UTC4h 25m
2026-05-22 SXS9UL BSL → AYT May 22, 07:50 UTCMay 22, 10:50 UTC3h 0m
2026-05-22 SXS58U DUS → OGU May 22, 03:25 UTCMay 22, 06:35 UTC3h 10m
2026-05-21 SXS9SV LGW → AYT May 21, 18:40 UTCMay 21, 22:20 UTC3h 40m
2026-05-21 SXS6FK AYT → LGW May 21, 12:55 UTCMay 21, 17:00 UTC4h 5m
2026-05-21 SXS3UU ECN → AYT May 21, 07:50 UTCMay 21, 08:30 UTC40m
2026-05-21 SXS3KB BRU → ESB May 21, 05:50 UTCMay 21, 06:30 UTC40m
2026-05-21 SXS79Y AYT → PAD May 21, 00:15 UTCMay 21, 03:10 UTC2h 55m
2026-05-20 SXS1FG AYT → ERF May 20, 19:55 UTCMay 20, 23:00 UTC3h 5m
2026-05-20 SXS5VH - May 20, 18:15 UTCMay 20, 18:30 UTC15m
2026-05-20 SXS8QB AYT → SZF May 20, 15:25 UTCMay 20, 15:40 UTC15m
2026-05-19 SXS9KN FRA → GZT May 19, 19:05 UTCMay 20, 13:55 UTC18h 51m
2026-05-19 SXS9KN FRA → GZT May 19, 17:25 UTCMay 20, 13:55 UTC20h 31m

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

Mode-S 4BCDD4 frequently asked

What is Mode-S code 4BCDD4?
4BCDD4 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-SNT.
Where is Mode-S 4BCDD4 registered?
Mode-S code 4BCDD4 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BCDD4 broadcasting right now?
Yes. Mode-S 4BCDD4 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BCDD4, octal 22746724, decimal 4,967,892.
What flights does 4BCDD4 operate?
Mode-S 4BCDD4 has broadcast 20 distinct callsigns, including SXS9UL, SXS6NH, SXS4QN, SXS3YT, SXS62C.