Apparatus

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sensors Mode-S transponder

4BBCAC

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-OEL · DIAMOND DA-20

Hex
4BBCAC
Octal
22736254
Decimal
4,963,500
Country
TR
Tail
TC-OEL
Type
DV20
No current signal · last broadcast 1d ago
Flights observed
147
Distinct callsigns
1
Country
TR
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 4BBCAC.

Country allocation

The ICAO 24-bit address 4BBCAC 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 1 distinct

Callsign Airline Flights Last seen
TCOEL - 147 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-03 TCOEL - Jul 3, 13:35 UTCJul 3, 14:20 UTC45m
2026-07-02 TCOEL - Jul 2, 07:55 UTCJul 2, 09:20 UTC1h 25m
2026-07-01 TCOEL - Jul 1, 14:10 UTCJul 1, 15:15 UTC1h 5m
2026-07-01 TCOEL - Jul 1, 12:40 UTCJul 1, 13:15 UTC35m
2026-07-01 TCOEL - Jul 1, 11:10 UTCJul 1, 11:30 UTC20m
2026-07-01 TCOEL - Jul 1, 09:40 UTCJul 1, 10:10 UTC30m
2026-07-01 TCOEL - Jul 1, 07:55 UTCJul 1, 08:35 UTC40m
2026-07-01 TCOEL - Jul 1, 06:20 UTCJul 1, 07:15 UTC55m
2026-07-01 TCOEL - Jul 1, 03:05 UTCJul 1, 04:10 UTC1h 5m
2026-06-30 TCOEL - Jun 30, 12:25 UTCJun 30, 13:25 UTC1h 0m
2026-06-30 TCOEL EDO → EDO Jun 30, 08:25 UTCJun 30, 09:40 UTC1h 15m
2026-06-30 TCOEL - Jun 30, 06:35 UTCJun 30, 07:45 UTC1h 10m
2026-06-30 TCOEL - Jun 30, 05:00 UTCJun 30, 05:55 UTC55m
2026-06-30 TCOEL - Jun 30, 03:10 UTCJun 30, 04:20 UTC1h 10m
2026-06-29 TCOEL - Jun 29, 09:40 UTCJun 29, 09:54 UTC15m
2026-06-29 TCOEL - Jun 29, 07:15 UTCJun 29, 08:14 UTC1h 0m
2026-06-28 TCOEL - Jun 28, 05:24 UTCJun 28, 06:10 UTC45m
2026-06-27 TCOEL - Jun 27, 05:04 UTCJun 27, 05:15 UTC10m
2026-06-27 TCOEL - Jun 27, 03:15 UTCJun 27, 03:25 UTC10m
2026-06-26 TCOEL EDO → EDO Jun 26, 08:40 UTCJun 26, 09:39 UTC1h 0m
2026-06-26 TCOEL - Jun 26, 06:35 UTCJun 26, 07:39 UTC1h 5m
2026-06-26 TCOEL - Jun 26, 02:50 UTCJun 26, 04:14 UTC1h 25m
2026-06-25 TCOEL - Jun 25, 08:34 UTCJun 25, 09:10 UTC35m
2026-06-25 TCOEL - Jun 25, 08:14 UTCJun 25, 08:30 UTC15m
2026-06-25 TCOEL - Jun 25, 05:55 UTCJun 25, 06:44 UTC50m
2026-06-25 TCOEL - Jun 25, 03:10 UTCJun 25, 04:04 UTC55m
2026-06-24 TCOEL - Jun 24, 10:49 UTCJun 24, 12:04 UTC1h 15m
2026-06-24 TCOEL - Jun 24, 09:05 UTCJun 24, 10:14 UTC1h 10m
2026-06-24 TCOEL - Jun 24, 04:34 UTCJun 24, 05:49 UTC1h 15m
2026-06-24 TCOEL - Jun 24, 03:10 UTCJun 24, 03:44 UTC35m
2026-06-23 TCOEL - Jun 23, 06:44 UTCJun 23, 08:09 UTC1h 25m
2026-06-23 TCOEL - Jun 23, 04:25 UTCJun 23, 05:59 UTC1h 35m
2026-06-22 TCOEL - Jun 22, 07:14 UTCJun 22, 08:19 UTC1h 5m
2026-06-22 TCOEL - Jun 22, 04:00 UTCJun 22, 04:09 UTC10m
2026-06-22 TCOEL - Jun 22, 02:59 UTCJun 22, 03:14 UTC15m
2026-06-21 TCOEL - Jun 21, 05:54 UTCJun 21, 07:00 UTC1h 5m
2026-06-21 TCOEL - Jun 21, 04:24 UTCJun 21, 05:04 UTC40m
2026-06-21 TCOEL - Jun 21, 02:50 UTCJun 21, 03:30 UTC40m
2026-06-20 TCOEL - Jun 20, 04:49 UTCJun 20, 05:54 UTC1h 5m
2026-06-20 TCOEL - Jun 20, 02:59 UTCJun 20, 04:09 UTC1h 10m
2026-06-16 TCOEL - Jun 16, 15:00 UTCJun 16, 15:30 UTC30m
2026-06-16 TCOEL - Jun 16, 13:30 UTCJun 16, 14:05 UTC35m
2026-06-16 TCOEL - Jun 16, 12:10 UTCJun 16, 12:45 UTC35m
2026-06-16 TCOEL - Jun 16, 10:40 UTCJun 16, 11:15 UTC35m
2026-06-16 TCOEL - Jun 16, 08:00 UTCJun 16, 09:04 UTC1h 5m
2026-06-16 TCOEL - Jun 16, 06:40 UTCJun 16, 07:20 UTC40m
2026-06-16 TCOEL - Jun 16, 03:00 UTCJun 16, 04:39 UTC1h 40m
2026-06-15 TCOEL - Jun 15, 12:05 UTCJun 15, 13:05 UTC1h 0m
2026-06-15 TCOEL - Jun 15, 10:09 UTCJun 15, 11:19 UTC1h 10m
2026-06-15 TCOEL - Jun 15, 09:00 UTCJun 15, 09:35 UTC35m

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

Mode-S 4BBCAC frequently asked

What is Mode-S code 4BBCAC?
4BBCAC is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-OEL.
Where is Mode-S 4BBCAC registered?
Mode-S code 4BBCAC is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BBCAC broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BBCAC, octal 22736254, decimal 4,963,500.
What flights does 4BBCAC operate?
Mode-S 4BBCAC has broadcast 1 distinct callsign, including TCOEL.