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 1h ago
Flights observed
344
Distinct callsigns
20
Country
TR
Last broadcast
1h ago

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
THY5TN Turkish Airlines 3 2026-06-04
THY4YM Turkish Airlines 3 2026-06-01
THY4TU Turkish Airlines 3 2026-06-12
THY358 Turkish Airlines 3 2026-06-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 THY2TS - Jul 15, 05:45 UTCJul 15, 06:00 UTC15m
2026-07-14 THY4VS - Jul 14, 23:25 UTCJul 15, 00:35 UTC1h 10m
2026-07-14 THY7JD - Jul 14, 21:05 UTCJul 14, 21:20 UTC15m
2026-07-14 THY7JD - Jul 14, 19:30 UTCJul 14, 20:00 UTC30m
2026-07-13 THY9LK - Jul 13, 17:15 UTCJul 13, 20:10 UTC2h 55m
2026-07-13 THY5EC - Jul 13, 12:25 UTCJul 13, 14:40 UTC2h 15m
2026-07-13 THY1448 - Jul 13, 06:10 UTCJul 13, 10:00 UTC3h 50m
2026-07-12 THY9SA - Jul 12, 18:01 UTCJul 12, 22:30 UTC4h 30m
2026-07-12 THY2FP - Jul 12, 13:10 UTCJul 12, 15:45 UTC2h 35m
2026-07-12 THY4VR - Jul 12, 08:45 UTCJul 12, 11:35 UTC2h 50m
2026-07-12 THY9QW - Jul 12, 06:01 UTCJul 12, 06:45 UTC45m
2026-07-12 THY8SA - Jul 12, 03:40 UTCJul 12, 04:30 UTC50m
2026-07-11 THY1TU - Jul 11, 18:45 UTCJul 11, 20:15 UTC1h 30m
2026-07-11 THY7SP - Jul 11, 16:20 UTCJul 11, 17:30 UTC1h 10m
2026-07-11 THY4AQ - Jul 11, 13:35 UTCJul 11, 13:45 UTC10m
2026-07-11 THY4AQ - Jul 11, 12:10 UTCJul 11, 12:50 UTC40m
2026-07-11 THY8RJ - Jul 11, 10:50 UTCJul 11, 11:00 UTC10m
2026-07-11 THY8RJ - Jul 11, 09:45 UTCJul 11, 10:10 UTC25m
2026-07-10 THY7ZA - Jul 10, 16:10 UTCJul 10, 20:05 UTC3h 55m
2026-07-10 THY2WF - Jul 10, 10:20 UTCJul 10, 14:40 UTC4h 20m
2026-07-10 THY80N - Jul 10, 07:10 UTCJul 10, 08:05 UTC55m
2026-07-10 THY1TH - Jul 10, 04:55 UTCJul 10, 05:40 UTC45m
2026-07-09 THY6FV - Jul 9, 23:25 UTCJul 10, 02:35 UTC3h 10m
2026-07-09 THY2BD - Jul 9, 15:55 UTCJul 9, 18:55 UTC3h 0m
2026-07-09 THY1XT - Jul 9, 13:15 UTCJul 9, 14:05 UTC50m
2026-07-09 THY1NQ - Jul 9, 11:15 UTCJul 9, 12:05 UTC50m
2026-07-08 THY6JM - Jul 8, 22:50 UTCJul 8, 23:30 UTC40m
2026-07-08 THY1FV - Jul 8, 21:05 UTCJul 8, 21:35 UTC30m
2026-07-08 THY9DH - Jul 8, 16:45 UTCJul 8, 17:05 UTC20m
2026-07-08 THY2QC - Jul 8, 13:55 UTCJul 8, 14:45 UTC50m
2026-07-08 THY46P - Jul 8, 09:45 UTCJul 8, 11:55 UTC2h 10m
2026-07-08 THY6EU - Jul 8, 05:55 UTCJul 8, 08:25 UTC2h 30m
2026-07-07 THY7DH - Jul 7, 16:55 UTCJul 7, 19:30 UTC2h 35m
2026-07-07 THY5HK - Jul 7, 12:50 UTCJul 7, 15:35 UTC2h 45m
2026-07-07 THY5VQ - Jul 7, 07:20 UTCJul 7, 10:55 UTC3h 35m
2026-07-07 THY1HU - Jul 7, 02:15 UTCJul 7, 02:45 UTC30m
2026-07-06 THY8NU - Jul 6, 23:20 UTCJul 7, 00:15 UTC55m
2026-07-06 THY4JC - Jul 6, 17:25 UTCJul 6, 19:55 UTC2h 30m
2026-07-06 THY9VA - Jul 6, 13:35 UTCJul 6, 16:20 UTC2h 45m
2026-07-06 THY9HC - Jul 6, 08:40 UTCJul 6, 11:10 UTC2h 30m
2026-07-06 THY5CS - Jul 6, 04:35 UTCJul 6, 07:25 UTC2h 50m
2026-07-05 THY983 - Jul 5, 15:00 UTCJul 5, 16:20 UTC1h 20m
2026-07-05 THY982 - Jul 5, 12:40 UTCJul 5, 13:55 UTC1h 15m
2026-07-05 THY4ZA - Jul 5, 10:00 UTCJul 5, 10:30 UTC30m
2026-07-05 THY5DG - Jul 5, 05:45 UTCJul 5, 09:25 UTC3h 40m
2026-07-05 THY1HU - Jul 5, 01:55 UTCJul 5, 02:30 UTC35m
2026-07-04 THY8NU - Jul 4, 23:10 UTCJul 4, 23:40 UTC30m
2026-07-04 THY2BD - Jul 4, 15:50 UTCJul 4, 18:55 UTC3h 5m
2026-07-04 THY3415 - Jul 4, 01:05 UTCJul 4, 07:00 UTC5h 55m
2026-07-03 THY7PA - Jul 3, 16:55 UTCJul 3, 23:20 UTC6h 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.

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 1h ago.
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.