sensors Mode-S transponder

4BA9EF

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JOO · AIRBUS A-330-200

Hex
4BA9EF
Octal
22724757
Decimal
4,958,703
Country
TR
Tail
TC-JOO
Type
A332
Broadcasting now · callsign THY6187 · 37,000 ft
Flights observed
123
Distinct callsigns
20
Country
TR
Last broadcast
13m ago

Current position

4BA9EF is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4BA9EF 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 THY6187 - May 30, 17:00 UTCMay 30, 17:45 UTC45m
2026-05-30 THY6510 PRG → IST May 30, 12:40 UTCMay 30, 14:35 UTC1h 55m
2026-05-30 THY6509 AMM → TLV May 30, 06:25 UTCMay 30, 08:35 UTC2h 10m
2026-05-29 THY6651 ISL → SVO May 29, 09:55 UTCMay 30, 03:00 UTC17h 5m
2026-05-29 THY6650 ORD → ISL May 29, 06:15 UTCMay 29, 07:25 UTC1h 10m
2026-05-29 THY6271 URC → IST May 29, 03:45 UTCMay 29, 04:00 UTC15m
2026-05-28 THY6271 URC → IST May 28, 13:45 UTCMay 29, 03:00 UTC13h 15m
2026-05-28 THY6270 IST → TBS May 28, 09:35 UTCMay 28, 11:20 UTC1h 45m
2026-05-28 THY6194 - May 28, 00:50 UTCMay 28, 07:05 UTC6h 15m
2026-05-27 THY6557 IST → ORD May 27, 11:00 UTCMay 27, 13:20 UTC2h 20m
2026-05-27 THY6556 - May 27, 05:40 UTCMay 27, 08:00 UTC2h 20m
2026-05-27 THY6107 HKG → IST May 27, 02:59 UTCMay 27, 03:09 UTC10m
2026-05-26 THY6107 HKG → IST May 26, 18:59 UTCMay 27, 02:19 UTC7h 20m
2026-05-26 THY6106 BOM → BOM May 26, 08:54 UTCMay 26, 15:49 UTC6h 55m
2026-05-26 THY6439 IST → ALG May 26, 01:14 UTCMay 26, 03:19 UTC2h 5m
2026-05-25 THY6439 IST → ALG May 25, 21:30 UTCMay 25, 23:10 UTC1h 40m
2026-05-25 THY6439 IST → ALG May 25, 15:15 UTCMay 25, 18:40 UTC3h 25m
2026-05-25 THY6277 SZX → CIT May 25, 09:50 UTCMay 25, 10:00 UTC10m
2026-05-25 THY6277 SZX → CIT May 25, 07:50 UTCMay 25, 09:05 UTC1h 15m
2026-05-24 THY6277 SZX → CIT May 24, 21:20 UTCMay 24, 21:35 UTC15m
2026-05-24 THY6183 - May 24, 18:15 UTCMay 24, 18:30 UTC15m
2026-05-24 THY6183 - May 24, 09:10 UTCMay 24, 10:25 UTC1h 15m
2026-05-24 THY6183 - May 24, 08:20 UTCMay 24, 08:30 UTC10m
2026-05-24 THY6504 IST → IST May 24, 03:05 UTCMay 24, 05:40 UTC2h 35m
2026-05-23 THY6503 MST → IST May 23, 22:10 UTCMay 24, 00:55 UTC2h 45m
2026-05-23 THY6508 TLV → IST May 23, 16:15 UTCMay 23, 19:20 UTC3h 5m
2026-05-23 THY6507 - May 23, 11:15 UTCMay 23, 14:25 UTC3h 10m
2026-05-23 THY6128 HKG → HKG May 23, 07:10 UTCMay 23, 08:20 UTC1h 10m
2026-05-22 THY6128 HKG → HKG May 22, 10:05 UTCMay 22, 12:10 UTC2h 5m
2026-05-22 THY6113 HKG → IST May 22, 06:45 UTCMay 22, 06:55 UTC10m
2026-05-22 THY6113 HKG → IST May 22, 00:30 UTCMay 22, 06:10 UTC5h 40m
2026-05-21 THY6112 IST → BOM May 21, 14:45 UTCMay 21, 20:50 UTC6h 5m
2026-05-11 THY6435 MST → ORD May 11, 17:45 UTCMay 11, 19:50 UTC2h 5m
2026-05-10 THY6435 MST → ORD May 10, 04:39 UTCMay 10, 09:55 UTC5h 15m
2026-05-09 THY6435 MST → ORD May 9, 18:40 UTCMay 10, 01:50 UTC7h 10m
2026-05-09 THY6103 BLR → IST May 9, 11:30 UTCMay 9, 15:50 UTC4h 20m
2026-05-09 THY6103 BLR → IST May 9, 08:05 UTCMay 9, 08:30 UTC25m
2026-05-09 THY6102 FRU → HKG May 9, 04:45 UTCMay 9, 05:05 UTC20m
2026-05-08 THY6102 FRU → HKG May 8, 22:05 UTCMay 9, 03:20 UTC5h 15m
2026-05-08 THY6112 IST → BOM May 8, 03:09 UTCMay 8, 18:25 UTC15h 15m
2026-05-07 THY6453 IST → BLL May 7, 18:25 UTCMay 7, 20:25 UTC2h 0m
2026-05-07 THY6453 IST → BLL May 7, 13:10 UTCMay 7, 15:45 UTC2h 35m
2026-05-07 THY6453 IST → BLL May 7, 05:35 UTCMay 7, 09:55 UTC4h 20m
2026-05-06 THY6542 - May 6, 20:45 UTCMay 6, 23:35 UTC2h 50m
2026-05-06 THY6541 IST → HEL May 6, 15:50 UTCMay 6, 18:45 UTC2h 54m
2026-05-06 THY6451 HKG → CIT May 6, 11:20 UTCMay 6, 13:15 UTC1h 55m
2026-05-05 THY6451 HKG → CIT May 5, 18:55 UTCMay 6, 09:00 UTC14h 5m
2026-05-05 THY6404 FRA → IST May 5, 10:05 UTCMay 5, 12:20 UTC2h 15m
2026-05-05 THY6403 IST → FRA May 5, 05:15 UTCMay 5, 07:40 UTC2h 25m
2026-05-04 THY6062 ORD → IST May 4, 10:00 UTCMay 4, 12:30 UTC2h 30m

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

Mode-S 4BA9EF frequently asked

What is Mode-S code 4BA9EF?
4BA9EF is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JOO.
Where is Mode-S 4BA9EF registered?
Mode-S code 4BA9EF is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BA9EF broadcasting right now?
Yes. Mode-S 4BA9EF is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BA9EF, octal 22724757, decimal 4,958,703.
What flights does 4BA9EF operate?
Mode-S 4BA9EF has broadcast 20 distinct callsigns, including THY6645, THY6545, THY6543, THY6130, THY6644.