Apparatus

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sensors Mode-S transponder

4BD348

ICAO 24-bit transponder address · allocated to Turkey

Hex
4BD348
Octal
22751510
Decimal
4,969,288
Country
TR
No current signal · last broadcast 24d ago
Flights observed
84
Distinct callsigns
1
Country
TR
Last broadcast
24d ago

Last known position

Most recent position reported by Mode-S 4BD348.

Country allocation

The ICAO 24-bit address 4BD348 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
TCTZH - 84 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 TCTZH - Jul 23, 11:35 UTCJul 23, 12:30 UTC55m
2026-07-23 TCTZH - Jul 23, 09:25 UTCJul 23, 10:35 UTC1h 10m
2026-07-23 TCTZH - Jul 23, 07:15 UTCJul 23, 08:25 UTC1h 10m
2026-07-23 TCTZH - Jul 23, 05:10 UTCJul 23, 05:55 UTC45m
2026-07-23 TCTZH - Jul 23, 03:15 UTCJul 23, 04:20 UTC1h 5m
2026-07-22 TCTZH - Jul 22, 03:40 UTCJul 22, 04:50 UTC1h 10m
2026-07-21 TCTZH - Jul 21, 07:55 UTCJul 21, 09:05 UTC1h 10m
2026-07-21 TCTZH - Jul 21, 06:20 UTCJul 21, 07:05 UTC45m
2026-07-21 TCTZH - Jul 21, 04:20 UTCJul 21, 05:10 UTC50m
2026-07-20 TCTZH - Jul 20, 11:10 UTCJul 20, 12:10 UTC1h 0m
2026-07-20 TCTZH - Jul 20, 09:00 UTCJul 20, 09:50 UTC50m
2026-07-20 TCTZH - Jul 20, 05:55 UTCJul 20, 07:40 UTC1h 45m
2026-07-20 TCTZH - Jul 20, 03:20 UTCJul 20, 05:00 UTC1h 40m
2026-07-18 TCTZH - Jul 18, 03:10 UTCJul 18, 04:30 UTC1h 20m
2026-07-17 TCTZH - Jul 17, 14:24 UTCJul 17, 15:29 UTC1h 5m
2026-07-17 TCTZH - Jul 17, 12:00 UTCJul 17, 13:15 UTC1h 15m
2026-07-17 TCTZH EDO → EDO Jul 17, 10:15 UTCJul 17, 11:15 UTC1h 0m
2026-07-17 TCTZH - Jul 17, 08:10 UTCJul 17, 09:10 UTC1h 0m
2026-07-17 TCTZH - Jul 17, 06:25 UTCJul 17, 07:00 UTC35m
2026-07-17 TCTZH - Jul 17, 04:54 UTCJul 17, 05:20 UTC25m
2026-07-17 TCTZH - Jul 17, 03:20 UTCJul 17, 04:04 UTC45m
2026-07-16 TCTZH - Jul 16, 03:45 UTCJul 16, 05:05 UTC1h 20m
2026-07-15 TCTZH - Jul 15, 07:40 UTCJul 15, 08:35 UTC55m
2026-07-15 TCTZH - Jul 15, 06:00 UTCJul 15, 06:55 UTC55m
2026-07-15 TCTZH - Jul 15, 03:45 UTCJul 15, 04:50 UTC1h 5m
2026-07-14 TCTZH - Jul 14, 12:25 UTCJul 14, 13:05 UTC40m
2026-07-14 TCTZH - Jul 14, 10:40 UTCJul 14, 11:00 UTC20m
2026-07-14 TCTZH - Jul 14, 08:15 UTCJul 14, 09:20 UTC1h 5m
2026-07-14 TCTZH - Jul 14, 06:25 UTCJul 14, 07:10 UTC45m
2026-07-14 TCTZH - Jul 14, 05:00 UTCJul 14, 05:25 UTC25m
2026-07-13 TCTZH - Jul 13, 12:45 UTCJul 13, 13:50 UTC1h 5m
2026-07-13 TCTZH - Jul 13, 09:45 UTCJul 13, 11:00 UTC1h 15m
2026-07-13 TCTZH - Jul 13, 07:50 UTCJul 13, 08:40 UTC50m
2026-07-13 TCTZH - Jul 13, 04:55 UTCJul 13, 06:20 UTC1h 25m
2026-07-13 TCTZH - Jul 13, 03:20 UTCJul 13, 04:10 UTC50m
2026-07-12 TCTZH - Jul 12, 11:01 UTCJul 12, 11:55 UTC55m
2026-07-12 TCTZH - Jul 12, 08:40 UTCJul 12, 09:50 UTC1h 10m
2026-07-12 TCTZH - Jul 12, 06:40 UTCJul 12, 07:35 UTC55m
2026-07-11 TCTZH - Jul 11, 14:35 UTCJul 11, 15:20 UTC45m
2026-07-11 TCTZH - Jul 11, 12:30 UTCJul 11, 13:15 UTC45m
2026-07-11 TCTZH - Jul 11, 11:15 UTCJul 11, 11:25 UTC10m
2026-07-11 TCTZH - Jul 11, 08:01 UTCJul 11, 09:40 UTC1h 40m
2026-07-11 TCTZH - Jul 11, 05:55 UTCJul 11, 07:10 UTC1h 15m
2026-07-10 TCTZH - Jul 10, 14:50 UTCJul 10, 15:35 UTC45m
2026-07-10 TCTZH - Jul 10, 13:45 UTCJul 10, 14:00 UTC15m
2026-07-10 TCTZH - Jul 10, 09:45 UTCJul 10, 10:30 UTC45m
2026-07-10 TCTZH - Jul 10, 07:20 UTCJul 10, 08:25 UTC1h 5m
2026-07-10 TCTZH - Jul 10, 05:30 UTCJul 10, 06:10 UTC40m
2026-07-09 TCTZH - Jul 9, 13:20 UTCJul 9, 14:15 UTC55m
2026-07-09 TCTZH - Jul 9, 10:25 UTCJul 9, 11:50 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.

Mode-S 4BD348 frequently asked

What is Mode-S code 4BD348?
4BD348 is an ICAO 24-bit transponder address. Allocated to Turkey.
Where is Mode-S 4BD348 registered?
Mode-S code 4BD348 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BD348 broadcasting right now?
No active broadcast right now. Last signal was 24d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BD348, octal 22751510, decimal 4,969,288.
What flights does 4BD348 operate?
Mode-S 4BD348 has broadcast 1 distinct callsign, including TCTZH.