Apparatus

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sensors Mode-S transponder

4BAA09

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JPI · AIRBUS A-320

Hex
4BAA09
Octal
22725011
Decimal
4,958,729
Country
TR
Tail
TC-JPI
Type
A320
No current signal · last broadcast Jul 26, 20:50 UTC
Flights observed
459
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 20:50 UTC

Last known position

Most recent position reported by Mode-S 4BAA09.

Country allocation

The ICAO 24-bit address 4BAA09 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
THY9QS - 8 2026-07-23
THY9FD - 5 2026-07-07
THY8RJ - 5 2026-07-16
THY7YC - 5 2026-07-03
THY70S - 5 2026-07-02
THY55C Turkish Airlines 5 2026-07-25
THY4MZ Turkish Airlines 5 2026-06-15
THY1ZH - 5 2026-06-24
THY1VN - 5 2026-07-23
THY1PZ - 5 2026-07-02
THY1ED - 5 2026-06-24
THY9XJ - 4 2026-07-17
THY9SM - 4 2026-07-03
THY9SG - 4 2026-07-03
THY9JV Turkish Airlines 4 2026-06-01
THY8WY - 4 2026-07-14
THY7ED Turkish Airlines 4 2026-06-10
THY6NJ - 4 2026-07-07
THY5ZC Turkish Airlines 4 2026-06-01
THY5RC - 4 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY1KA ASR → IST Jul 26, 20:25 UTCJul 26, 20:50 UTC25m
2026-07-26 THY1TZ IST → OSL Jul 26, 17:35 UTCJul 26, 18:05 UTC30m
2026-07-26 THY8RS DUS → IST Jul 26, 14:05 UTCJul 26, 15:25 UTC1h 20m
2026-07-26 THY5GX - Jul 26, 11:45 UTCJul 26, 12:55 UTC1h 10m
2026-07-26 THY2NC MSR → IST Jul 26, 05:45 UTCJul 26, 10:05 UTC4h 21m
2026-07-25 THY3GY PMO → IST Jul 25, 21:25 UTCJul 25, 22:00 UTC35m
2026-07-25 THY1DU IST → FCO Jul 25, 18:25 UTCJul 25, 19:25 UTC1h 0m
2026-07-25 THY3EW NAV → IST Jul 25, 14:00 UTCJul 25, 16:45 UTC2h 45m
2026-07-25 THY55C IST → VIE Jul 25, 08:15 UTCJul 25, 09:50 UTC1h 35m
2026-07-25 THY1HM IST → TZX Jul 25, 05:45 UTCJul 25, 07:05 UTC1h 20m
2026-07-24 THY5BU SJJ → IST Jul 24, 19:10 UTCJul 24, 20:20 UTC1h 10m
2026-07-24 THY4SE IST → SJJ Jul 24, 16:35 UTCJul 24, 17:55 UTC1h 20m
2026-07-24 THY395 BUS → IST Jul 24, 12:35 UTCJul 24, 14:25 UTC1h 50m
2026-07-24 THY394 IST → BUS Jul 24, 10:10 UTCJul 24, 10:35 UTC25m
2026-07-24 THY7VL GVA → IST Jul 24, 07:00 UTCJul 24, 08:10 UTC1h 10m
2026-07-24 THY6LJ ECN → IST Jul 24, 04:00 UTCJul 24, 05:10 UTC1h 10m
2026-07-23 THY3GY PMO → IST Jul 23, 21:30 UTCJul 23, 22:05 UTC35m
2026-07-23 THY1DU IST → FCO Jul 23, 18:25 UTCJul 23, 19:25 UTC1h 0m
2026-07-23 THY5UZ - Jul 23, 16:15 UTCJul 23, 17:00 UTC45m
2026-07-23 THY2VN - Jul 23, 14:20 UTCJul 23, 15:00 UTC40m
2026-07-23 THY7VK BJV → IST Jul 23, 11:45 UTCJul 23, 12:35 UTC50m
2026-07-23 THY6GU IST → BJV Jul 23, 09:35 UTCJul 23, 10:25 UTC50m
2026-07-23 THY1VN - Jul 23, 05:50 UTCJul 23, 07:25 UTC1h 35m
2026-07-23 THY9QS - Jul 23, 04:25 UTCJul 23, 04:40 UTC15m
2026-07-23 THY9QS - Jul 23, 03:25 UTCJul 23, 03:50 UTC25m
2026-07-22 THY7QK - Jul 22, 15:30 UTCJul 22, 19:25 UTC3h 55m
2026-07-22 THY4AQ - Jul 22, 11:20 UTCJul 22, 13:00 UTC1h 40m
2026-07-22 THY6MU IST → MZH Jul 22, 03:30 UTCJul 22, 04:00 UTC30m
2026-07-21 THY5KB IST → VNO Jul 21, 17:20 UTCJul 21, 18:40 UTC1h 20m
2026-07-21 THY87R - Jul 21, 14:55 UTCJul 21, 15:55 UTC1h 0m
2026-07-21 THY1UV - Jul 21, 05:35 UTCJul 21, 09:50 UTC4h 15m
2026-07-20 THY5VL ADB → IST Jul 20, 17:15 UTCJul 20, 18:00 UTC45m
2026-07-20 THY2NK - Jul 20, 15:15 UTCJul 20, 15:55 UTC40m
2026-07-19 THY3MN VCE → IST Jul 19, 22:55 UTCJul 20, 02:40 UTC3h 45m
2026-07-19 THY6HJ - Jul 19, 18:55 UTCJul 19, 19:05 UTC10m
2026-07-19 THY1TE - Jul 19, 15:45 UTCJul 19, 16:15 UTC30m
2026-07-19 THY7QW - Jul 19, 12:50 UTCJul 19, 13:30 UTC40m
2026-07-19 THY2TX - Jul 19, 10:50 UTCJul 19, 11:30 UTC40m
2026-07-19 THY2SK - Jul 19, 03:20 UTCJul 19, 07:05 UTC3h 45m
2026-07-18 THY6JM ADB → IST Jul 18, 23:00 UTCJul 18, 23:40 UTC40m
2026-07-18 THY1FV - Jul 18, 21:10 UTCJul 18, 21:50 UTC40m
2026-07-18 THY9BA - Jul 18, 18:35 UTCJul 18, 19:30 UTC55m
2026-07-18 THY1LR - Jul 18, 16:20 UTCJul 18, 17:05 UTC45m
2026-07-18 THY8PQ SAW → VIE Jul 18, 12:15 UTCJul 18, 12:45 UTC30m
2026-07-18 THY9YW - Jul 18, 10:10 UTCJul 18, 10:35 UTC25m
2026-07-18 THY3ZP - Jul 18, 03:15 UTCJul 18, 06:45 UTC3h 30m
2026-07-17 THY9XJ - Jul 17, 18:00 UTCJul 17, 18:55 UTC55m
2026-07-17 THY30Q - Jul 17, 08:25 UTCJul 17, 12:50 UTC4h 25m
2026-07-16 THY2QT - Jul 16, 18:50 UTCJul 16, 19:10 UTC20m
2026-07-16 THY6RZ - Jul 16, 15:00 UTCJul 16, 15:25 UTC25m

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

Mode-S 4BAA09 frequently asked

What is Mode-S code 4BAA09?
4BAA09 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JPI.
Where is Mode-S 4BAA09 registered?
Mode-S code 4BAA09 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAA09 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAA09, octal 22725011, decimal 4,958,729.
What flights does 4BAA09 operate?
Mode-S 4BAA09 has broadcast 20 distinct callsigns, including THY9QS, THY9FD, THY8RJ, THY7YC, THY70S.