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sensors Mode-S transponder

4B8654

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-ART · CESSNA 208 Caravan

Hex
4B8654
Octal
22703124
Decimal
4,949,588
Country
TR
Tail
TC-ART
Type
C208
No current signal · last broadcast 11h ago
Flights observed
37
Distinct callsigns
1
Country
TR
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S 4B8654.

Country allocation

The ICAO 24-bit address 4B8654 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
TCART - 37 2026-07-06

Recent flights last 37

DateFlightRouteTakeoffLandingDuration
2026-07-06 TCART - Jul 6, 09:10 UTCJul 6, 10:30 UTC1h 20m
2026-07-06 TCART - Jul 6, 06:45 UTCJul 6, 08:20 UTC1h 35m
2026-07-04 TCART - Jul 4, 07:20 UTCJul 4, 08:35 UTC1h 15m
2026-07-04 TCART - Jul 4, 04:25 UTCJul 4, 05:40 UTC1h 15m
2026-07-03 TCART - Jul 3, 12:00 UTCJul 3, 12:10 UTC10m
2026-07-02 TCART - Jul 2, 09:20 UTCJul 2, 09:30 UTC10m
2026-07-02 TCART - Jul 2, 08:20 UTCJul 2, 08:40 UTC20m
2026-06-29 TCART - Jun 29, 13:39 UTCJun 29, 14:54 UTC1h 15m
2026-06-29 TCART - Jun 29, 11:45 UTCJun 29, 12:34 UTC50m
2026-06-29 TCART - Jun 29, 11:04 UTCJun 29, 11:14 UTC10m
2026-06-28 TCART - Jun 28, 09:10 UTCJun 28, 09:25 UTC15m
2026-06-26 TCART - Jun 26, 09:05 UTCJun 26, 09:55 UTC50m
2026-06-26 TCART - Jun 26, 06:50 UTCJun 26, 07:05 UTC15m
2026-06-24 TCART - Jun 24, 06:35 UTCJun 24, 07:54 UTC1h 20m
2026-06-24 TCART - Jun 24, 03:44 UTCJun 24, 04:59 UTC1h 15m
2026-06-23 TCART - Jun 23, 05:34 UTCJun 23, 05:49 UTC15m
2026-06-22 TCART - Jun 22, 06:39 UTCJun 22, 07:00 UTC20m
2026-06-19 TCART - Jun 19, 07:14 UTCJun 19, 07:25 UTC10m
2026-06-19 TCART - Jun 19, 06:29 UTCJun 19, 06:39 UTC10m
2026-06-12 TCART - Jun 12, 11:30 UTCJun 12, 11:45 UTC15m
2026-06-11 TCART - Jun 11, 05:10 UTCJun 11, 06:00 UTC50m
2026-06-10 TCART - Jun 10, 07:00 UTCJun 10, 07:15 UTC15m
2026-06-08 TCART - Jun 8, 12:40 UTCJun 8, 12:50 UTC10m
2026-06-06 TCART - Jun 6, 08:00 UTCJun 6, 08:20 UTC20m
2026-06-06 TCART - Jun 6, 04:35 UTCJun 6, 04:55 UTC20m
2026-06-04 TCART - Jun 4, 12:50 UTCJun 4, 13:25 UTC35m
2026-06-02 TCART - Jun 2, 07:05 UTCJun 2, 07:15 UTC10m
2026-06-01 TCART - Jun 1, 07:00 UTCJun 1, 07:25 UTC25m
2026-05-29 TCART - May 29, 06:55 UTCMay 29, 07:10 UTC15m
2026-05-28 TCART - May 28, 08:10 UTCMay 28, 08:25 UTC15m
2026-05-24 TCART - May 24, 08:05 UTCMay 24, 08:35 UTC30m
2026-05-22 TCART - May 22, 05:30 UTCMay 22, 05:50 UTC20m
2026-05-22 TCART - May 22, 04:30 UTCMay 22, 04:55 UTC25m
2026-05-10 TCART - May 10, 08:10 UTCMay 10, 08:20 UTC10m
2026-04-24 TCART - Apr 24, 11:30 UTCApr 24, 11:50 UTC20m
2026-04-20 TCART - Apr 20, 08:00 UTCApr 20, 08:15 UTC15m
2026-04-18 TCART - Apr 18, 08:05 UTCApr 18, 08:20 UTC15m

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

Mode-S 4B8654 frequently asked

What is Mode-S code 4B8654?
4B8654 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-ART.
Where is Mode-S 4B8654 registered?
Mode-S code 4B8654 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B8654 broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B8654, octal 22703124, decimal 4,949,588.
What flights does 4B8654 operate?
Mode-S 4B8654 has broadcast 1 distinct callsign, including TCART.