Apparatus

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sensors Mode-S transponder

4BA945

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JJE · BOEING 777-300ER

Hex
4BA945
Octal
22724505
Decimal
4,958,533
Country
TR
Tail
TC-JJE
Type
B77W
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
249
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S 4BA945.

Country allocation

The ICAO 24-bit address 4BA945 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
THY73 Turkish Airlines 13 2026-07-19
THY84 Turkish Airlines 11 2026-07-24
THY72 - 10 2026-07-18
THY85 Turkish Airlines 9 2026-07-25
THY7 Turkish Airlines 7 2026-07-23
THY199 - 6 2026-07-17
THY8FW - 5 2026-07-03
THY89 Turkish Airlines 5 2026-06-27
THY8 Turkish Airlines 5 2026-07-24
THY6 - 5 2026-07-16
THY5 - 5 2026-07-15
THY198 Turkish Airlines 5 2026-07-16
THY90 - 4 2026-07-11
THY88 Turkish Airlines 4 2026-06-26
THY87 Turkish Airlines 4 2026-04-21
THY80E - 4 2026-07-13
THY70 Turkish Airlines 4 2026-06-29
THY55 Turkish Airlines 4 2026-06-21
THY54 - 4 2026-06-21
THY4YH - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY1 IST → JFK Jul 26, 11:40 UTCJul 26, 21:15 UTC9h 35m
2026-07-26 THY2YR BEY → IST Jul 26, 07:35 UTCJul 26, 09:05 UTC1h 30m
2026-07-26 THY39GV IST → BEY Jul 26, 04:20 UTCJul 26, 05:30 UTC1h 10m
2026-07-25 THY85 MNL → IST Jul 25, 13:35 UTCJul 25, 23:45 UTC10h 10m
2026-07-24 THY84 IST → MNL Jul 24, 23:45 UTCJul 25, 10:55 UTC11h 10m
2026-07-24 THY8AK - Jul 24, 18:00 UTCJul 24, 18:50 UTC50m
2026-07-24 THY5HS BRU → ISL Jul 24, 15:05 UTCJul 24, 16:00 UTC55m
2026-07-24 THY8 IAD → IST Jul 24, 02:40 UTCJul 24, 11:50 UTC9h 10m
2026-07-23 THY7 IST → IAD Jul 23, 14:15 UTCJul 24, 00:35 UTC10h 20m
2026-07-23 THY8NK NCE → IST Jul 23, 09:00 UTCJul 23, 11:15 UTC2h 15m
2026-07-23 THY7JV BJV → VKO Jul 23, 04:15 UTCJul 23, 06:50 UTC2h 35m
2026-07-22 THY85 MNL → IST Jul 22, 13:40 UTCJul 23, 00:55 UTC11h 15m
2026-07-21 THY84 IST → MNL Jul 21, 23:30 UTCJul 22, 05:25 UTC5h 55m
2026-07-20 THY2RC AYT → MAN Jul 20, 06:45 UTCJul 20, 07:45 UTC1h 0m
2026-07-20 THY5JA VCE → IST Jul 20, 04:20 UTCJul 20, 05:00 UTC40m
2026-07-19 THY73 CAN → IST Jul 19, 05:20 UTCJul 20, 00:50 UTC19h 30m
2026-07-19 THY73 CAN → IST Jul 19, 03:20 UTCJul 20, 00:50 UTC21h 30m
2026-07-18 THY72 - Jul 18, 23:35 UTCJul 19, 20:25 UTC20h 50m
2026-07-18 THY72 - Jul 18, 22:50 UTCJul 19, 20:25 UTC21h 35m
2026-07-18 THY3AX - Jul 18, 19:20 UTCJul 18, 20:25 UTC1h 5m
2026-07-18 THY2XQ IST → ATH Jul 18, 16:15 UTCJul 18, 17:20 UTC1h 5m
2026-07-18 THY8NK NCE → IST Jul 18, 09:45 UTCJul 18, 11:50 UTC2h 5m
2026-07-18 THY7JV BJV → VKO Jul 18, 04:40 UTCJul 18, 07:20 UTC2h 40m
2026-07-17 THY199 - Jul 17, 13:00 UTCJul 18, 01:25 UTC12h 25m
2026-07-16 THY198 IST → HND Jul 16, 23:29 UTCJul 17, 09:55 UTC10h 25m
2026-07-16 THY7ER - Jul 16, 18:34 UTCJul 16, 19:25 UTC50m
2026-07-16 THY1FC - Jul 16, 15:49 UTCJul 16, 16:35 UTC45m
2026-07-16 THY6 - Jul 16, 02:10 UTCJul 16, 12:05 UTC9h 55m
2026-07-15 THY5 - Jul 15, 12:15 UTCJul 15, 22:40 UTC10h 25m
2026-07-15 THY8XS - Jul 15, 08:35 UTCJul 15, 09:40 UTC1h 5m
2026-07-15 THY8HX - Jul 15, 05:50 UTCJul 15, 06:45 UTC55m
2026-07-15 THY25 - Jul 15, 00:45 UTCJul 15, 01:10 UTC25m
2026-07-14 THY25 - Jul 14, 13:55 UTCJul 15, 00:15 UTC10h 19m
2026-07-13 THY24 - Jul 13, 23:55 UTCJul 14, 10:40 UTC10h 45m
2026-07-13 THY4YH - Jul 13, 18:50 UTCJul 13, 19:25 UTC35m
2026-07-13 THY80E - Jul 13, 16:35 UTCJul 13, 17:10 UTC35m
2026-07-13 THY12 - Jul 13, 05:05 UTCJul 13, 14:05 UTC9h 0m
2026-07-12 THY11 - Jul 12, 16:10 UTCJul 13, 01:55 UTC9h 45m
2026-07-12 THY2JT - Jul 12, 09:50 UTCJul 12, 11:35 UTC1h 45m
2026-07-12 THY6AG - Jul 12, 05:30 UTCJul 12, 07:25 UTC1h 55m
2026-07-11 THY91 - Jul 11, 19:15 UTCJul 11, 23:50 UTC4h 35m
2026-07-11 THY91 - Jul 11, 14:20 UTCJul 11, 14:35 UTC15m
2026-07-11 THY90 - Jul 11, 08:05 UTCJul 11, 08:30 UTC25m
2026-07-10 THY90 - Jul 10, 23:25 UTCJul 11, 07:15 UTC7h 50m
2026-07-10 THY10 - Jul 10, 03:30 UTCJul 10, 15:50 UTC12h 20m
2026-07-09 THY9 - Jul 9, 12:10 UTCJul 10, 01:20 UTC13h 10m
2026-07-09 THY73 - Jul 9, 01:45 UTCJul 9, 02:00 UTC15m
2026-07-08 THY73 - Jul 8, 16:30 UTCJul 9, 01:10 UTC8h 40m
2026-07-07 THY72 IST → CAN Jul 7, 22:40 UTCJul 8, 06:05 UTC7h 25m
2026-07-07 THY66C - Jul 7, 08:15 UTCJul 7, 09:05 UTC50m

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

Mode-S 4BA945 frequently asked

What is Mode-S code 4BA945?
4BA945 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JJE.
Where is Mode-S 4BA945 registered?
Mode-S code 4BA945 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BA945 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BA945, octal 22724505, decimal 4,958,533.
What flights does 4BA945 operate?
Mode-S 4BA945 has broadcast 20 distinct callsigns, including THY73, THY84, THY72, THY85, THY7.