sensors Mode-S transponder

4BCE1A

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-SPZ · BOEING 737-800

Hex
4BCE1A
Octal
22747032
Decimal
4,967,962
Country
TR
Tail
TC-SPZ
Type
B738
Transponder active on ground
Flights observed
346
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 20:30 UTC

Last known position

Most recent position reported by Mode-S 4BCE1A.

Country allocation

The ICAO 24-bit address 4BCE1A 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
SXS4QB - 7 2026-07-16
SXS6WB - 6 2026-07-16
SXS4QN - 5 2026-07-07
SXS4PL SunExpress 5 2026-07-17
SXS3YT - 5 2026-07-07
SXS9AE - 4 2026-07-18
SXS5WD - 4 2026-07-17
SXS2KC - 4 2026-07-18
SXS93H - 3 2026-04-13
SXS8VF - 3 2026-07-08
SXS8JF SunExpress 3 2026-04-30
SXS7GA - 3 2026-07-11
SXS6RQ SunExpress 3 2026-05-26
SXS5CJ - 3 2026-07-07
SXS4SB - 3 2026-07-21
SXS4DQ - 3 2026-07-11
SXS46A - 3 2026-07-07
SXS2HE SunExpress 3 2026-06-01
SXS9ZB - 2 2026-07-08
SXS9UL - 2 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SXS4DT VCE → ADB Jul 26, 18:50 UTCJul 26, 20:30 UTC1h 40m
2026-07-26 SXS2FX ADB → VCE Jul 26, 14:30 UTCJul 26, 16:45 UTC2h 15m
2026-07-26 SXS7YA STR → BJV Jul 26, 10:15 UTCJul 26, 12:50 UTC2h 35m
2026-07-26 SXS9QQ ADB → HAM Jul 26, 05:35 UTCJul 26, 08:35 UTC3h 1m
2026-07-25 SXS8HL - Jul 25, 11:55 UTCJul 25, 15:15 UTC3h 20m
2026-07-25 SXS3BN - Jul 25, 06:00 UTCJul 25, 10:10 UTC4h 10m
2026-07-24 SXS7QG EIN → ADB Jul 24, 19:10 UTCJul 24, 21:50 UTC2h 40m
2026-07-24 SXS7DP - Jul 24, 14:20 UTCJul 24, 17:40 UTC3h 20m
2026-07-24 SXS5BB ADB → BAL Jul 24, 08:45 UTCJul 24, 12:50 UTC4h 5m
2026-07-24 SXS8ZW AYT → ADB Jul 24, 06:25 UTCJul 24, 06:55 UTC30m
2026-07-23 SXS3FP CGN → AYT Jul 23, 23:40 UTCJul 24, 02:40 UTC3h 0m
2026-07-23 SXS3ZX AYT → CGN Jul 23, 19:05 UTCJul 23, 22:30 UTC3h 25m
2026-07-23 SXS6ZW EDI → AYT Jul 23, 12:35 UTCJul 23, 16:40 UTC4h 5m
2026-07-23 SXS5LJ ASR → EAP Jul 23, 06:00 UTCJul 23, 10:35 UTC4h 35m
2026-07-23 SXS8KW PAD → AYT Jul 23, 01:25 UTCJul 23, 04:30 UTC3h 5m
2026-07-22 SXS4UQ AYT → PAD Jul 22, 20:55 UTCJul 23, 00:10 UTC3h 15m
2026-07-22 SXS16E - Jul 22, 16:40 UTCJul 22, 19:30 UTC2h 50m
2026-07-22 SXS8TG - Jul 22, 11:55 UTCJul 22, 15:00 UTC3h 5m
2026-07-22 SXS7HX AYT → DUS Jul 22, 02:10 UTCJul 22, 05:25 UTC3h 15m
2026-07-21 SXS2LL STR → AYT Jul 21, 18:45 UTCJul 21, 21:25 UTC2h 40m
2026-07-21 SXS22G OGU → STR Jul 21, 15:10 UTCJul 21, 17:20 UTC2h 10m
2026-07-21 SXS2RQ STR → OGU Jul 21, 06:20 UTCJul 21, 08:45 UTC2h 25m
2026-07-21 SXS4SB - Jul 21, 01:05 UTCJul 21, 04:20 UTC3h 15m
2026-07-20 SXS8RQ BRS → AYT Jul 20, 18:15 UTCJul 20, 22:00 UTC3h 45m
2026-07-20 SXS4JV AYT → BRS Jul 20, 12:25 UTCJul 20, 16:40 UTC4h 15m
2026-07-20 SXS5ZP ZRH → AYT Jul 20, 08:00 UTCJul 20, 10:50 UTC2h 50m
2026-07-20 SXS2MD AYT → ZRH Jul 20, 03:30 UTCJul 20, 06:45 UTC3h 15m
2026-07-19 SXS4VJ GRZ → AYT Jul 19, 17:05 UTCJul 19, 19:15 UTC2h 10m
2026-07-19 SXS61P DUS → AYT Jul 19, 13:30 UTCJul 19, 16:05 UTC2h 35m
2026-07-19 SXS8HN HAM → AYT Jul 19, 08:55 UTCJul 19, 12:10 UTC3h 15m
2026-07-19 SXS1YL DLM → HAM Jul 19, 04:15 UTCJul 19, 07:20 UTC3h 5m
2026-07-18 SXS6TK - Jul 18, 20:45 UTCJul 19, 00:05 UTC3h 20m
2026-07-18 SXS7XF DLM → LGW Jul 18, 14:55 UTCJul 18, 18:50 UTC3h 55m
2026-07-18 SXS9AE - Jul 18, 09:05 UTCJul 18, 11:15 UTC2h 10m
2026-07-18 SXS2KC - Jul 18, 05:10 UTCJul 18, 07:50 UTC2h 40m
2026-07-18 SXS1BQ MAN → DLM Jul 18, 00:04 UTCJul 18, 03:40 UTC3h 36m
2026-07-17 SXS5DL - Jul 17, 18:19 UTCJul 17, 22:40 UTC4h 20m
2026-07-17 SXS5WD - Jul 17, 12:35 UTCJul 17, 16:15 UTC3h 40m
2026-07-17 SXS4PL NUE → AYT Jul 17, 06:50 UTCJul 17, 11:04 UTC4h 15m
2026-07-16 SXS6WB - Jul 16, 13:20 UTCJul 16, 17:10 UTC3h 50m
2026-07-16 SXS4QB - Jul 16, 06:55 UTCJul 16, 11:10 UTC4h 15m
2026-07-15 SXS8BP - Jul 15, 18:10 UTCJul 15, 20:45 UTC2h 35m
2026-07-15 SXS5MB - Jul 15, 13:45 UTCJul 15, 16:50 UTC3h 5m
2026-07-15 SXS6WA - Jul 15, 08:40 UTCJul 15, 11:10 UTC2h 30m
2026-07-15 SXS6SJ - Jul 15, 04:15 UTCJul 15, 07:15 UTC3h 0m
2026-07-13 SXS6WB - Jul 13, 13:30 UTCJul 13, 17:30 UTC4h 0m
2026-07-13 SXS4QB - Jul 13, 07:25 UTCJul 13, 11:45 UTC4h 20m
2026-07-12 SXS6KN - Jul 12, 09:40 UTCJul 12, 12:15 UTC2h 35m
2026-07-12 SXS5XN - Jul 12, 04:55 UTCJul 12, 08:01 UTC3h 5m
2026-07-12 SXS3WE - Jul 12, 00:30 UTCJul 12, 03:20 UTC2h 50m

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

Mode-S 4BCE1A frequently asked

What is Mode-S code 4BCE1A?
4BCE1A is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-SPZ.
Where is Mode-S 4BCE1A registered?
Mode-S code 4BCE1A is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BCE1A broadcasting right now?
Mode-S 4BCE1A is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BCE1A, octal 22747032, decimal 4,967,962.
What flights does 4BCE1A operate?
Mode-S 4BCE1A has broadcast 20 distinct callsigns, including SXS4QB, SXS6WB, SXS4QN, SXS4PL, SXS3YT.