Apparatus

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sensors Mode-S transponder

4BCE05

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-SPE · BOEING 737-800

Hex
4BCE05
Octal
22747005
Decimal
4,967,941
Country
TR
Tail
TC-SPE
Type
B738
No current signal · last broadcast 6d ago
Flights observed
220
Distinct callsigns
20
Country
TR
Last broadcast
6d ago

Last known position

Most recent position reported by Mode-S 4BCE05.

Country allocation

The ICAO 24-bit address 4BCE05 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
SXS8YQ - 4 2026-06-20
SXS4UA - 4 2026-07-17
SXS1MG - 4 2026-06-21
SXS62C - 3 2026-07-16
SXS5YP - 3 2026-07-16
SXS4UV SunExpress 3 2026-05-18
SXS3XF SunExpress 3 2026-07-23
SXS3GC - 3 2026-07-23
SXS9SV SunExpress 2 2026-06-14
SXS9KN SunExpress 2 2026-05-26
SXS8WK SunExpress 2 2026-05-18
SXS8WJ SunExpress 2 2026-07-19
SXS8WF SunExpress 2 2026-07-22
SXS8QL SunExpress 2 2026-05-25
SXS8KW SunExpress 2 2026-06-05
SXS8KV SunExpress 2 2026-05-18
SXS8JX SunExpress 2 2026-06-01
SXS8CZ - 2 2026-07-19
SXS8CB - 2 2026-07-14
SXS8BU SunExpress 2 2026-05-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SXS7QB ECN → AYT Jul 26, 17:40 UTCJul 26, 18:15 UTC35m
2026-07-26 SXS5YB AYT → ECN Jul 26, 15:50 UTCJul 26, 16:30 UTC40m
2026-07-26 SXS7JP FRA → AYT Jul 26, 10:25 UTCJul 26, 13:25 UTC3h 0m
2026-07-26 SXS4WY AYT → FRA Jul 26, 05:10 UTCJul 26, 08:35 UTC3h 26m
2026-07-26 SXS7RL NCL → AYT Jul 26, 01:15 UTCJul 26, 02:35 UTC1h 20m
2026-07-25 SXS630 AYT → SKP Jul 25, 22:35 UTCJul 26, 00:00 UTC1h 25m
2026-07-25 SXS225 CAI → AYT Jul 25, 19:55 UTCJul 25, 21:15 UTC1h 20m
2026-07-25 SXS224 AYT → CAI Jul 25, 17:15 UTCJul 25, 18:15 UTC1h 0m
2026-07-25 SXS611 - Jul 25, 14:55 UTCJul 25, 15:30 UTC35m
2026-07-25 SXS6EV AYT → STR Jul 25, 09:15 UTCJul 25, 12:45 UTC3h 30m
2026-07-25 SXS6VQ AYT → BSL Jul 25, 04:10 UTCJul 25, 07:25 UTC3h 15m
2026-07-24 SXS7UZ MUC → AYT Jul 24, 17:10 UTCJul 24, 19:35 UTC2h 25m
2026-07-24 SXS6WK STR → MUC Jul 24, 06:15 UTCJul 24, 15:35 UTC9h 20m
2026-07-23 SXS4RD HAJ → STR Jul 23, 18:15 UTCJul 24, 04:35 UTC10h 20m
2026-07-23 SXS3GC - Jul 23, 13:55 UTCJul 23, 16:50 UTC2h 55m
2026-07-23 SXS3XF MUC → ESB Jul 23, 10:00 UTCJul 23, 12:05 UTC2h 5m
2026-07-22 SXS8WF CGN → ESB Jul 22, 16:20 UTCJul 23, 08:25 UTC16h 5m
2026-07-22 SXS8MH SZF → CGN Jul 22, 12:45 UTCJul 22, 14:40 UTC1h 55m
2026-07-22 SXS4XM - Jul 22, 01:05 UTCJul 22, 04:10 UTC3h 5m
2026-07-21 SXS6LY BRU → ASR Jul 21, 20:45 UTCJul 21, 23:20 UTC2h 35m
2026-07-21 SXS9FM - Jul 21, 10:40 UTCJul 21, 19:20 UTC8h 40m
2026-07-21 SXS2GJ ADB → DUS Jul 21, 06:05 UTCJul 21, 08:25 UTC2h 20m
2026-07-21 SXS2ME HAJ → SZF Jul 21, 00:25 UTCJul 21, 02:55 UTC2h 30m
2026-07-20 SXS3GC - Jul 20, 19:45 UTCJul 20, 22:35 UTC2h 50m
2026-07-20 SXS14Q - Jul 20, 14:25 UTCJul 20, 17:15 UTC2h 50m
2026-07-20 SXS9KF ESB → AMS Jul 20, 09:05 UTCJul 20, 12:30 UTC3h 25m
2026-07-20 SXS8WF CGN → ESB Jul 20, 02:05 UTCJul 20, 04:35 UTC2h 30m
2026-07-19 SXS93K AYT → CGN Jul 19, 21:15 UTCJul 20, 00:40 UTC3h 25m
2026-07-19 SXS8CZ VIE → AYT Jul 19, 17:30 UTCJul 19, 19:45 UTC2h 15m
2026-07-19 SXS8WJ AYT → VIE Jul 19, 13:45 UTCJul 19, 16:20 UTC2h 35m
2026-07-19 SXS6ZG DUS → AYT Jul 19, 08:45 UTCJul 19, 11:45 UTC3h 0m
2026-07-19 SXS12V DUS → AYT Jul 19, 03:50 UTCJul 19, 07:20 UTC3h 30m
2026-07-18 SXS6ED FRA → AYT Jul 18, 20:40 UTCJul 18, 23:45 UTC3h 5m
2026-07-18 SXS3JC - Jul 18, 14:00 UTCJul 18, 17:40 UTC3h 40m
2026-07-18 SXS9YM DUS → AYT Jul 18, 09:35 UTCJul 18, 12:45 UTC3h 10m
2026-07-18 SXS7HX AYT → DUS Jul 18, 03:55 UTCJul 18, 07:25 UTC3h 30m
2026-07-17 SXS5HU - Jul 17, 20:04 UTCJul 17, 22:55 UTC2h 50m
2026-07-17 SXS6XP - Jul 17, 15:25 UTCJul 17, 18:34 UTC3h 10m
2026-07-17 SXS4UA - Jul 17, 10:25 UTCJul 17, 14:00 UTC3h 35m
2026-07-16 SXS62C - Jul 16, 20:49 UTCJul 17, 07:50 UTC11h 0m
2026-07-16 SXS5YP - Jul 16, 13:15 UTCJul 16, 17:30 UTC4h 15m
2026-07-16 SXS4TM - Jul 16, 05:55 UTCJul 16, 09:00 UTC3h 5m
2026-07-15 SXS2DX - Jul 15, 19:45 UTCJul 16, 04:25 UTC8h 40m
2026-07-15 SXS1KH - Jul 15, 14:15 UTCJul 15, 17:55 UTC3h 40m
2026-07-15 SXS4UA - Jul 15, 09:15 UTCJul 15, 13:05 UTC3h 50m
2026-07-14 SXS62C STN → STN Jul 14, 19:50 UTCJul 15, 07:50 UTC11h 59m
2026-07-14 SXS5YP - Jul 14, 13:30 UTCJul 14, 17:45 UTC4h 15m
2026-07-14 SXS7CG MUC → AYT Jul 14, 08:25 UTCJul 14, 11:00 UTC2h 35m
2026-07-14 SXS8CB - Jul 14, 04:05 UTCJul 14, 07:05 UTC3h 0m
2026-07-14 SXS8VF - Jul 14, 00:45 UTCJul 14, 02:10 UTC1h 25m

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

Mode-S 4BCE05 frequently asked

What is Mode-S code 4BCE05?
4BCE05 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-SPE.
Where is Mode-S 4BCE05 registered?
Mode-S code 4BCE05 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BCE05 broadcasting right now?
No active broadcast right now. Last signal was 6d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BCE05, octal 22747005, decimal 4,967,941.
What flights does 4BCE05 operate?
Mode-S 4BCE05 has broadcast 20 distinct callsigns, including SXS8YQ, SXS4UA, SXS1MG, SXS62C, SXS5YP.