Apparatus

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sensors Mode-S transponder

4BB213

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-OHS · BOEING 737 MAX 8

Hex
4BB213
Octal
22731023
Decimal
4,960,787
Country
TR
Tail
TC-OHS
Type
B38M
No current signal · last broadcast Jul 26, 22:25 UTC
Flights observed
461
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 22:25 UTC

Last known position

Most recent position reported by Mode-S 4BB213.

Country allocation

The ICAO 24-bit address 4BB213 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
THY4VS Turkish Airlines 8 2026-06-29
THY7HQ Turkish Airlines 7 2026-06-29
THY42W - 7 2026-06-29
THY7JD - 6 2026-06-28
THY6UZ - 6 2026-07-17
THY3TW Turkish Airlines 6 2026-05-22
THY3FW - 6 2026-07-17
THY2FQ Turkish Airlines 6 2026-07-25
THY275 - 6 2026-07-04
THY9YB - 5 2026-07-05
THY89M - 5 2026-07-09
THY74M - 5 2026-07-09
THY5AQ Turkish Airlines 5 2026-05-22
THY276 - 5 2026-07-05
THY1PE Turkish Airlines 5 2026-07-25
THY9JL - 4 2026-07-05
THY8MS Turkish Airlines 4 2026-07-21
THY8JE - 4 2026-07-04
THY7GJ - 4 2026-07-03
THY7FU Turkish Airlines 4 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY449 NQZ → IST Jul 26, 22:05 UTCJul 26, 22:25 UTC20m
2026-07-26 THY448 IST → NQZ Jul 26, 11:30 UTCJul 26, 13:25 UTC1h 55m
2026-07-26 THY3WQ BUD → IST Jul 26, 07:20 UTCJul 26, 08:55 UTC1h 35m
2026-07-26 THY75P - Jul 26, 04:30 UTCJul 26, 06:05 UTC1h 35m
2026-07-26 THY6SJ ESB → IST Jul 26, 01:20 UTCJul 26, 01:55 UTC35m
2026-07-25 THY7FS IST → ESB Jul 25, 23:25 UTCJul 25, 23:50 UTC25m
2026-07-25 THY4VX ADB → IST Jul 25, 15:35 UTCJul 25, 16:20 UTC45m
2026-07-25 THY1WS IST → ADB Jul 25, 13:40 UTCJul 25, 14:20 UTC40m
2026-07-25 THY2FQ BER → IST Jul 25, 09:00 UTCJul 25, 11:50 UTC2h 50m
2026-07-25 THY1PE CDG → IST Jul 25, 04:50 UTCJul 25, 07:35 UTC2h 45m
2026-07-25 THY8TR GYD → IST Jul 25, 01:25 UTCJul 25, 01:50 UTC25m
2026-07-24 THY8TR GYD → IST Jul 24, 23:25 UTCJul 25, 00:45 UTC1h 20m
2026-07-24 THY6BP - Jul 24, 19:20 UTCJul 24, 21:10 UTC1h 50m
2026-07-24 THY2JE CPH → IST Jul 24, 13:20 UTCJul 24, 15:55 UTC2h 35m
2026-07-24 THY7PU - Jul 24, 09:10 UTCJul 24, 11:50 UTC2h 40m
2026-07-24 THY87X IST → LYS Jul 24, 05:10 UTCJul 24, 07:25 UTC2h 15m
2026-07-24 THY9XT IST → BER Jul 24, 01:05 UTCJul 24, 03:30 UTC2h 25m
2026-07-23 THY4QN AMS → SAW Jul 23, 17:10 UTCJul 23, 20:20 UTC3h 10m
2026-07-23 THY6RB HAM → IST Jul 23, 12:35 UTCJul 23, 15:55 UTC3h 20m
2026-07-23 THY7DA DIY → IST Jul 23, 05:40 UTCJul 23, 10:05 UTC4h 25m
2026-07-23 THY255 DYU → IST Jul 23, 02:55 UTCJul 23, 03:20 UTC25m
2026-07-22 THY254 IST → DYU Jul 22, 16:30 UTCJul 23, 02:15 UTC9h 45m
2026-07-22 THY9XY IST → MUC Jul 22, 11:10 UTCJul 22, 13:30 UTC2h 20m
2026-07-22 THY2CT IST → MAN Jul 22, 04:45 UTCJul 22, 05:25 UTC40m
2026-07-21 THY3TL BER → IST Jul 21, 20:30 UTCJul 21, 22:50 UTC2h 20m
2026-07-21 THY4AY IST → ARN Jul 21, 16:50 UTCJul 21, 19:20 UTC2h 30m
2026-07-21 THY8MS KSY → IST Jul 21, 09:30 UTCJul 21, 12:45 UTC3h 15m
2026-07-21 THY7DZ KWI → IST Jul 21, 04:30 UTCJul 21, 08:10 UTC3h 40m
2026-07-20 THY5LY ALG → IST Jul 20, 23:30 UTCJul 21, 02:20 UTC2h 49m
2026-07-20 THY5CR IST → ALG Jul 20, 18:00 UTCJul 20, 21:15 UTC3h 15m
2026-07-20 THY6CV LGW → IST Jul 20, 13:10 UTCJul 20, 14:25 UTC1h 15m
2026-07-20 THY5YN IST → BGG Jul 20, 10:20 UTCJul 20, 11:40 UTC1h 20m
2026-07-19 THY263 ASR → IST Jul 19, 22:25 UTCJul 20, 07:25 UTC9h 0m
2026-07-19 THY7TE - Jul 19, 17:30 UTCJul 19, 20:35 UTC3h 5m
2026-07-19 THY6XJ - Jul 19, 12:05 UTCJul 19, 15:40 UTC3h 35m
2026-07-18 THY345 FRU → IST Jul 18, 22:20 UTCJul 19, 09:50 UTC11h 30m
2026-07-18 THY50V IST → FCO Jul 18, 17:00 UTCJul 18, 19:55 UTC2h 55m
2026-07-18 THY8XT MRS → IST Jul 18, 12:40 UTCJul 18, 15:35 UTC2h 55m
2026-07-18 THY3HL - Jul 18, 06:15 UTCJul 18, 10:50 UTC4h 35m
2026-07-17 THY4CH - Jul 17, 22:49 UTCJul 18, 03:30 UTC4h 41m
2026-07-17 THY3FW - Jul 17, 17:50 UTCJul 17, 20:50 UTC3h 0m
2026-07-17 THY6UZ - Jul 17, 12:04 UTCJul 17, 15:40 UTC3h 35m
2026-07-17 THY6LD - Jul 17, 07:35 UTCJul 17, 09:40 UTC2h 5m
2026-07-17 THY2XS AGP → IST Jul 17, 04:10 UTCJul 17, 06:10 UTC2h 0m
2026-07-16 THY2LR - Jul 16, 18:55 UTCJul 16, 20:49 UTC1h 55m
2026-07-16 THY2HP - Jul 16, 15:19 UTCJul 16, 17:14 UTC1h 55m
2026-07-16 THY8MS - Jul 16, 09:30 UTCJul 16, 12:44 UTC3h 15m
2026-07-16 THY7DZ - Jul 16, 04:30 UTCJul 16, 08:00 UTC3h 30m
2026-07-15 THY823 - Jul 15, 22:35 UTCJul 15, 23:55 UTC1h 20m
2026-07-15 THY822 - Jul 15, 19:35 UTCJul 15, 20:50 UTC1h 15m

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

Mode-S 4BB213 frequently asked

What is Mode-S code 4BB213?
4BB213 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-OHS.
Where is Mode-S 4BB213 registered?
Mode-S code 4BB213 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB213 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB213, octal 22731023, decimal 4,960,787.
What flights does 4BB213 operate?
Mode-S 4BB213 has broadcast 20 distinct callsigns, including THY4VS, THY7HQ, THY42W, THY7JD, THY6UZ.