Apparatus

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sensors Mode-S transponder

4BD18A

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-TLJ · BOEING 737-800

Hex
4BD18A
Octal
22750612
Decimal
4,968,842
Country
TR
Tail
TC-TLJ
Type
B738
Broadcasting now · callsign CAI8HD · 36,000 ft
Flights observed
228
Distinct callsigns
20
Country
TR
Last broadcast
11d ago

Current position

4BD18A is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4BD18A 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
CAI9JM Corendon Airlines 43 2026-07-26
CAI72KV Corendon Airlines 21 2026-07-26
CAI9WQ - 11 2026-07-25
CAI99XL Corendon Airlines 11 2026-07-25
CAI4WX Corendon Airlines 11 2026-07-24
CAI4RX Corendon Airlines 11 2026-07-25
CAI4LX Corendon Airlines 11 2026-07-22
CAI4DR Corendon Airlines 11 2026-07-23
CAI2MP Corendon Airlines 11 2026-07-20
CAI94BU Corendon Airlines 10 2026-07-26
CAI3R Corendon Airlines 10 2026-07-26
CAI2HE - 10 2026-07-25
CAI15CG Corendon Airlines 6 2026-07-03
CAI8MN Corendon Airlines 5 2026-07-03
CAI8KV - 5 2026-07-21
CAI2HF Corendon Airlines 5 2026-07-21
CAI5006 Corendon Airlines 4 2026-07-23
CAI5005 - 4 2026-07-23
CAI9RZ - 3 2026-07-22
CAI8HD - 3 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CAI72KV CPH → GZP Jul 26, 21:00 UTCJul 26, 21:20 UTC20m
2026-07-26 CAI3R CGN → AYT Jul 26, 12:55 UTCJul 26, 16:30 UTC3h 35m
2026-07-26 CAI9JM BLL → GZP Jul 26, 08:20 UTCJul 26, 11:45 UTC3h 25m
2026-07-26 CAI94BU GZP → BLL Jul 26, 03:00 UTCJul 26, 06:45 UTC3h 46m
2026-07-25 CAI4RX AAL → GZP Jul 25, 18:15 UTCJul 25, 21:40 UTC3h 25m
2026-07-25 CAI99XL GZP → AAL Jul 25, 13:10 UTCJul 25, 16:55 UTC3h 45m
2026-07-25 CAI2HE - Jul 25, 08:30 UTCJul 25, 11:50 UTC3h 20m
2026-07-25 CAI9WQ - Jul 25, 03:05 UTCJul 25, 06:35 UTC3h 30m
2026-07-24 CAI26JJ AMS → GZP Jul 24, 18:45 UTCJul 24, 22:10 UTC3h 25m
2026-07-24 CAI8HD - Jul 24, 12:25 UTCJul 24, 16:30 UTC4h 5m
2026-07-24 CAI9JM BLL → GZP Jul 24, 07:40 UTCJul 24, 11:10 UTC3h 30m
2026-07-24 CAI4WX GZP → BLL Jul 24, 02:25 UTCJul 24, 06:15 UTC3h 50m
2026-07-23 CAI72KV - Jul 23, 18:10 UTCJul 23, 21:35 UTC3h 25m
2026-07-23 CAI4DR GZP → CPH Jul 23, 13:10 UTCJul 23, 16:40 UTC3h 30m
2026-07-23 CAI5005 - Jul 23, 08:20 UTCJul 23, 11:55 UTC3h 35m
2026-07-23 CAI5006 GZP → BLL Jul 23, 03:00 UTCJul 23, 06:50 UTC3h 50m
2026-07-22 CAI2PW - Jul 22, 19:05 UTCJul 22, 22:25 UTC3h 20m
2026-07-22 CAI9RZ - Jul 22, 13:10 UTCJul 22, 17:00 UTC3h 50m
2026-07-22 CAI4LX GZP → BLL Jul 22, 03:05 UTCJul 22, 11:50 UTC8h 45m
2026-07-21 CAI5011 - Jul 21, 18:15 UTCJul 21, 21:35 UTC3h 20m
2026-07-21 CAI5012 - Jul 21, 13:00 UTCJul 21, 16:30 UTC3h 30m
2026-07-21 CAI8KV - Jul 21, 08:30 UTCJul 21, 11:50 UTC3h 20m
2026-07-21 CAI2HF GZP → DUS Jul 21, 03:05 UTCJul 21, 06:45 UTC3h 40m
2026-07-20 CAI9JM - Jul 20, 18:15 UTCJul 20, 21:45 UTC3h 30m
2026-07-20 CAI2MP GZP → BLL Jul 20, 13:20 UTCJul 20, 17:05 UTC3h 45m
2026-07-20 CAI75GP - Jul 20, 08:55 UTCJul 20, 12:20 UTC3h 25m
2026-07-20 CAI3D AYT → NUE Jul 20, 03:10 UTCJul 20, 07:00 UTC3h 50m
2026-07-19 CAI72KV - Jul 19, 18:10 UTCJul 19, 21:35 UTC3h 25m
2026-07-19 CAI3R CGN → AYT Jul 19, 13:10 UTCJul 19, 16:40 UTC3h 30m
2026-07-19 CAI9JM - Jul 19, 08:20 UTCJul 19, 11:50 UTC3h 30m
2026-07-19 CAI94BU GZP → BLL Jul 19, 03:00 UTCJul 19, 06:45 UTC3h 45m
2026-07-18 CAI4RX - Jul 18, 18:30 UTCJul 18, 22:10 UTC3h 40m
2026-07-18 CAI99XL GZP → AAL Jul 18, 13:15 UTCJul 18, 17:10 UTC3h 55m
2026-07-18 CAI2HE DUS → GZP Jul 18, 08:35 UTCJul 18, 11:50 UTC3h 15m
2026-07-18 CAI9WQ - Jul 18, 03:00 UTCJul 18, 06:40 UTC3h 40m
2026-07-17 CAI26JJ - Jul 17, 18:44 UTCJul 17, 22:15 UTC3h 30m
2026-07-17 CAI8HD - Jul 17, 12:25 UTCJul 17, 16:19 UTC3h 55m
2026-07-17 CAI9JM - Jul 17, 07:44 UTCJul 17, 11:20 UTC3h 35m
2026-07-17 CAI4WX GZP → BLL Jul 17, 02:30 UTCJul 17, 06:15 UTC3h 45m
2026-07-16 CAI72KV - Jul 16, 18:15 UTCJul 16, 21:35 UTC3h 20m
2026-07-16 CAI4DR GZP → CPH Jul 16, 13:10 UTCJul 16, 16:44 UTC3h 35m
2026-07-16 CAI5005 - Jul 16, 08:15 UTCJul 16, 11:54 UTC3h 40m
2026-07-16 CAI5006 - Jul 16, 03:05 UTCJul 16, 06:55 UTC3h 50m
2026-07-15 CAI2PW - Jul 15, 18:35 UTCJul 15, 22:00 UTC3h 25m
2026-07-15 CAI9RZ - Jul 15, 13:00 UTCJul 15, 16:50 UTC3h 50m
2026-07-15 CAI9JM - Jul 15, 08:15 UTCJul 15, 11:45 UTC3h 30m
2026-07-15 CAI4LX GZP → BLL Jul 15, 02:55 UTCJul 15, 06:45 UTC3h 50m
2026-07-14 CAI5011 - Jul 14, 18:20 UTCJul 14, 21:40 UTC3h 20m
2026-07-14 CAI5012 - Jul 14, 13:00 UTCJul 14, 16:30 UTC3h 30m
2026-07-14 CAI8KV DUS → GZP Jul 14, 08:15 UTCJul 14, 11:25 UTC3h 10m

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

Mode-S 4BD18A frequently asked

What is Mode-S code 4BD18A?
4BD18A is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-TLJ.
Where is Mode-S 4BD18A registered?
Mode-S code 4BD18A is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BD18A broadcasting right now?
Yes. Mode-S 4BD18A is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BD18A, octal 22750612, decimal 4,968,842.
What flights does 4BD18A operate?
Mode-S 4BD18A has broadcast 20 distinct callsigns, including CAI9JM, CAI72KV, CAI9WQ, CAI99XL, CAI4WX.