Apparatus

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sensors Mode-S transponder

4BAB48

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-JZH · BOEING 737-800

Hex
4BAB48
Octal
22725510
Decimal
4,959,048
Country
TR
Tail
TC-JZH
Type
B738
No current signal · last broadcast Jul 26, 18:45 UTC
Flights observed
337
Distinct callsigns
20
Country
TR
Last broadcast
Jul 26, 18:45 UTC

Last known position

Most recent position reported by Mode-S 4BAB48.

Country allocation

The ICAO 24-bit address 4BAB48 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
THY2TF - 6 2026-06-26
THY9NS - 5 2026-06-25
THY91B - 5 2026-06-24
THY7MV - 5 2026-06-21
THY9SF Turkish Airlines 4 2026-06-07
THY5TN Turkish Airlines 4 2026-06-06
THY34Q Turkish Airlines 4 2026-05-25
THY27M - 4 2026-05-25
THY9ZN Turkish Airlines 3 2026-06-14
THY9FU - 3 2026-05-26
THY7EM - 3 2026-06-29
THY7DA Turkish Airlines 3 2026-07-24
THY70S - 3 2026-07-18
THY6ZX - 3 2026-07-05
THY640 Turkish Airlines 3 2026-05-17
THY639 Turkish Airlines 3 2026-05-17
THY4XH Turkish Airlines 3 2026-07-26
THY4SK Turkish Airlines 3 2026-07-05
THY4AQ - 3 2026-06-05
THY2RA Turkish Airlines 3 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 THY7NX - Jul 26, 18:20 UTCJul 26, 18:45 UTC25m
2026-07-26 THY7NQ ESB → IST Jul 26, 14:10 UTCJul 26, 15:00 UTC50m
2026-07-26 THY4XH IST → EZS Jul 26, 12:15 UTCJul 26, 12:45 UTC30m
2026-07-25 THY7YC VKO → AYT Jul 25, 19:05 UTCJul 25, 19:35 UTC30m
2026-07-25 THY7YC VKO → AYT Jul 25, 18:00 UTCJul 25, 18:25 UTC25m
2026-07-25 THY9SM HAJ → SAW Jul 25, 15:25 UTCJul 25, 15:45 UTC20m
2026-07-25 THY8PQ SAW → VIE Jul 25, 12:20 UTCJul 25, 12:50 UTC30m
2026-07-25 THY9YW TLS → IST Jul 25, 10:20 UTCJul 25, 10:50 UTC30m
2026-07-25 THY7BM GZP → IST Jul 25, 07:30 UTCJul 25, 08:35 UTC1h 5m
2026-07-25 THY4PM ASR → IST Jul 25, 05:25 UTCJul 25, 06:25 UTC1h 0m
2026-07-24 THY7QN MAN → IST Jul 24, 22:20 UTCJul 25, 01:40 UTC3h 20m
2026-07-24 THY9GV - Jul 24, 16:55 UTCJul 24, 20:45 UTC3h 50m
2026-07-24 THY7NQ ESB → IST Jul 24, 14:20 UTCJul 24, 14:50 UTC30m
2026-07-24 THY4XH IST → EZS Jul 24, 12:15 UTCJul 24, 12:40 UTC25m
2026-07-24 THY7DA DIY → IST Jul 24, 05:55 UTCJul 24, 10:25 UTC4h 30m
2026-07-23 THY1HU MXP → IST Jul 23, 23:15 UTCJul 24, 02:45 UTC3h 30m
2026-07-23 THY6VQ TLL → IST Jul 23, 16:45 UTCJul 23, 19:45 UTC3h 0m
2026-07-23 THY6LK IST → ATH Jul 23, 12:50 UTCJul 23, 15:40 UTC2h 50m
2026-07-23 THY2RA ESB → IST Jul 23, 09:20 UTCJul 23, 10:00 UTC40m
2026-07-23 THY4GM AYT → LED Jul 23, 07:25 UTCJul 23, 07:50 UTC25m
2026-07-22 THY8SK NAV → IST Jul 22, 18:05 UTCJul 22, 20:55 UTC2h 50m
2026-07-22 THY3UQ IST → AMS Jul 22, 15:35 UTCJul 22, 16:25 UTC50m
2026-07-22 THY1NE IST → ESB Jul 22, 13:15 UTCJul 22, 13:35 UTC20m
2026-07-22 THY3655 - Jul 22, 02:00 UTCJul 22, 03:40 UTC1h 40m
2026-07-21 THY3654 DWC → IST Jul 21, 21:35 UTCJul 22, 01:00 UTC3h 25m
2026-07-20 THY3651 - Jul 20, 14:40 UTCJul 20, 15:00 UTC20m
2026-07-20 THY3651 - Jul 20, 12:05 UTCJul 20, 13:45 UTC1h 40m
2026-07-20 THY3650 - Jul 20, 08:05 UTCJul 20, 09:50 UTC1h 45m
2026-07-19 THY1YS - Jul 19, 15:25 UTCJul 19, 15:45 UTC20m
2026-07-19 THY4XN VAR → IST Jul 19, 06:40 UTCJul 19, 07:20 UTC40m
2026-07-19 THY2QY IST → VAR Jul 19, 04:40 UTCJul 19, 05:15 UTC35m
2026-07-18 THY70S - Jul 18, 18:00 UTCJul 18, 19:20 UTC1h 20m
2026-07-18 THY1PZ - Jul 18, 15:35 UTCJul 18, 16:45 UTC1h 10m
2026-07-18 THY7DA - Jul 18, 05:50 UTCJul 18, 10:05 UTC4h 15m
2026-07-17 THY1LA - Jul 17, 14:35 UTCJul 17, 15:00 UTC25m
2026-07-17 THY2RA - Jul 17, 09:25 UTCJul 17, 09:55 UTC30m
2026-07-17 THY4GM AYT → LED Jul 17, 07:30 UTCJul 17, 07:50 UTC20m
2026-07-16 THY3734 - Jul 16, 18:10 UTCJul 16, 20:29 UTC2h 20m
2026-07-16 THY3733 - Jul 16, 14:05 UTCJul 16, 16:25 UTC2h 20m
2026-07-14 THY3724 - Jul 14, 21:20 UTCJul 14, 23:05 UTC1h 44m
2026-07-14 THY3723 IST → BOS Jul 14, 17:15 UTCJul 14, 19:00 UTC1h 45m
2026-07-14 THY1848 - Jul 14, 09:50 UTCJul 14, 10:40 UTC50m
2026-07-14 THY1847 - Jul 14, 07:10 UTCJul 14, 08:10 UTC1h 0m
2026-07-13 THY1ZY - Jul 13, 18:20 UTCJul 13, 19:10 UTC50m
2026-07-13 THY6GR - Jul 13, 16:25 UTCJul 13, 17:05 UTC40m
2026-07-13 THY8PN - Jul 13, 03:45 UTCJul 13, 10:05 UTC6h 20m
2026-07-12 THY88L - Jul 12, 13:25 UTCJul 12, 18:45 UTC5h 20m
2026-07-12 THY1FX - Jul 12, 10:15 UTCJul 12, 10:45 UTC30m
2026-07-12 THY1PG - Jul 12, 08:15 UTCJul 12, 08:40 UTC25m
2026-07-12 THY1CA - Jul 12, 05:20 UTCJul 12, 05:55 UTC35m

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

Mode-S 4BAB48 frequently asked

What is Mode-S code 4BAB48?
4BAB48 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-JZH.
Where is Mode-S 4BAB48 registered?
Mode-S code 4BAB48 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BAB48 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BAB48, octal 22725510, decimal 4,959,048.
What flights does 4BAB48 operate?
Mode-S 4BAB48 has broadcast 20 distinct callsigns, including THY2TF, THY9NS, THY91B, THY7MV, THY9SF.