Apparatus

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sensors Mode-S transponder

4BAAC8

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JVH · BOEING 737-800

Hex
4BAAC8
Octal
22725310
Decimal
4,958,920
Country
TR
Tail
TC-JVH
Type
B738
No current signal · last broadcast Jul 26, 19:40 UTC
Flights observed
397
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 19:40 UTC

Last known position

Most recent position reported by Mode-S 4BAAC8.

Country allocation

The ICAO 24-bit address 4BAAC8 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
THY9RZ Turkish Airlines 5 2026-04-18
THY9QS - 5 2026-06-29
THY4TN - 5 2026-06-23
THY9SF Turkish Airlines 4 2026-06-05
THY9NS - 4 2026-06-19
THY91B - 4 2026-06-18
THY7BM - 4 2026-06-23
THY6KQ Turkish Airlines 4 2026-06-23
THY4PM - 4 2026-06-23
THY3XQ Turkish Airlines 4 2026-06-12
THY1VN - 4 2026-06-29
THY8QE Turkish Airlines 3 2026-05-26
THY8CJ Turkish Airlines 3 2026-06-01
THY8BR Turkish Airlines 3 2026-04-16
THY7MX Turkish Airlines 3 2026-05-25
THY7GF Turkish Airlines 3 2026-04-18
THY5UZ Turkish Airlines 3 2026-07-25
THY5TN Turkish Airlines 3 2026-06-04
THY4YM Turkish Airlines 3 2026-06-01
THY4TU Turkish Airlines 3 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY2QT - Jul 26, 19:20 UTCJul 26, 19:40 UTC20m
2026-07-26 THY2QT - Jul 26, 18:05 UTCJul 26, 18:40 UTC35m
2026-07-26 THY6RZ WAW → IST Jul 26, 15:20 UTCJul 26, 16:45 UTC1h 25m
2026-07-26 THY30Q IST → BRI Jul 26, 08:25 UTCJul 26, 13:20 UTC4h 55m
2026-07-25 THY5UZ ADB → IST Jul 25, 16:55 UTCJul 25, 17:40 UTC45m
2026-07-25 THY2VN KYA → IST Jul 25, 14:50 UTCJul 25, 15:30 UTC40m
2026-07-25 THY2RH AJI → IST Jul 25, 09:25 UTCJul 25, 12:25 UTC3h 0m
2026-07-25 THY2LP IST → ESB Jul 25, 05:00 UTCJul 25, 08:15 UTC3h 15m
2026-07-24 THY2FZ DNZ → IST Jul 24, 16:10 UTCJul 24, 19:25 UTC3h 15m
2026-07-24 THY9AE GZP → IST Jul 24, 13:25 UTCJul 24, 14:30 UTC1h 5m
2026-07-24 THY7LN IST → VAN Jul 24, 11:15 UTCJul 24, 12:15 UTC1h 0m
2026-07-24 THY3YM BRI → IST Jul 24, 07:20 UTCJul 24, 08:40 UTC1h 20m
2026-07-24 THY3LU IST → BRI Jul 24, 04:30 UTCJul 24, 06:00 UTC1h 30m
2026-07-23 THY127 JED → IST Jul 23, 11:55 UTCJul 23, 20:00 UTC8h 5m
2026-07-23 THY1374 PMO → IST Jul 23, 07:40 UTCJul 23, 09:30 UTC1h 50m
2026-07-23 THY3ZJ IST → PMO Jul 23, 04:15 UTCJul 23, 06:20 UTC2h 5m
2026-07-22 THY8JT - Jul 22, 17:55 UTCJul 22, 19:35 UTC1h 40m
2026-07-22 THY1BG IST → PMO Jul 22, 14:25 UTCJul 22, 16:30 UTC2h 5m
2026-07-22 THY512 IST → PZU Jul 22, 03:50 UTCJul 22, 12:10 UTC8h 20m
2026-07-21 THY4JC HAJ → IST Jul 21, 17:30 UTCJul 21, 19:55 UTC2h 25m
2026-07-21 THY9VA IST → HAJ Jul 21, 13:30 UTCJul 21, 16:15 UTC2h 45m
2026-07-21 THY1848 ATH → IST Jul 21, 09:45 UTCJul 21, 10:45 UTC1h 0m
2026-07-21 THY1847 IST → ATH Jul 21, 07:15 UTCJul 21, 08:15 UTC1h 0m
2026-07-20 THY9VP IST → SSH Jul 20, 23:25 UTCJul 21, 05:05 UTC5h 39m
2026-07-20 THY2LJ - Jul 20, 20:55 UTCJul 20, 21:20 UTC25m
2026-07-20 THY2LJ - Jul 20, 19:40 UTCJul 20, 20:15 UTC35m
2026-07-20 THY6QV - Jul 20, 18:20 UTCJul 20, 18:40 UTC20m
2026-07-20 THY6QV - Jul 20, 17:05 UTCJul 20, 17:30 UTC25m
2026-07-20 THY2LX - Jul 20, 14:40 UTCJul 20, 15:25 UTC45m
2026-07-20 THY4CV - Jul 20, 12:25 UTCJul 20, 13:10 UTC45m
2026-07-20 THY8PN BGW → IST Jul 20, 10:00 UTCJul 20, 10:20 UTC20m
2026-07-20 THY5QM IST → BGW Jul 20, 03:55 UTCJul 20, 04:20 UTC25m
2026-07-19 THY6EC - Jul 19, 23:50 UTCJul 20, 01:05 UTC1h 15m
2026-07-19 THY4TX - Jul 19, 19:25 UTCJul 19, 20:40 UTC1h 15m
2026-07-19 THY2LG - Jul 19, 17:15 UTCJul 19, 17:25 UTC10m
2026-07-19 THY2LG - Jul 19, 15:55 UTCJul 19, 16:25 UTC30m
2026-07-19 THY6TP IST → TZX Jul 19, 14:40 UTCJul 19, 14:55 UTC15m
2026-07-19 THY6TP IST → TZX Jul 19, 13:45 UTCJul 19, 14:05 UTC20m
2026-07-19 THY3HM - Jul 19, 07:30 UTCJul 19, 11:05 UTC3h 35m
2026-07-18 THY7BK BJV → IST Jul 18, 21:30 UTCJul 18, 22:15 UTC45m
2026-07-18 THY4LU IST → BJV Jul 18, 19:25 UTCJul 18, 20:15 UTC50m
2026-07-18 THY2ZT - Jul 18, 14:10 UTCJul 18, 17:30 UTC3h 20m
2026-07-18 THY8KY - Jul 18, 08:25 UTCJul 18, 12:15 UTC3h 50m
2026-07-17 THY8GZ - Jul 17, 19:00 UTCJul 17, 19:55 UTC55m
2026-07-17 THY9XE - Jul 17, 16:49 UTCJul 17, 17:35 UTC45m
2026-07-17 THY3AN - Jul 17, 13:00 UTCJul 17, 14:15 UTC1h 15m
2026-07-17 THY9UH - Jul 17, 11:04 UTCJul 17, 11:50 UTC45m
2026-07-17 THY1246 STN → IST Jul 17, 06:00 UTCJul 17, 09:10 UTC3h 10m
2026-07-16 THY20F - Jul 16, 17:35 UTCJul 16, 21:05 UTC3h 30m
2026-07-16 THY1WG - Jul 16, 13:49 UTCJul 16, 15:45 UTC1h 55m

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

Mode-S 4BAAC8 frequently asked

What is Mode-S code 4BAAC8?
4BAAC8 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JVH.
Where is Mode-S 4BAAC8 registered?
Mode-S code 4BAAC8 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAAC8 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAAC8, octal 22725310, decimal 4,958,920.
What flights does 4BAAC8 operate?
Mode-S 4BAAC8 has broadcast 20 distinct callsigns, including THY9RZ, THY9QS, THY4TN, THY9SF, THY9NS.