Apparatus

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sensors Mode-S transponder

4BB1E3

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-LOC · AIRBUS A-330-300

Hex
4BB1E3
Octal
22730743
Decimal
4,960,739
Country
TR
Tail
TC-LOC
Type
A333
No current signal · last broadcast Apr 27, 20:40 UTC
Flights observed
60
Distinct callsigns
20
Country
TR
Last broadcast
Apr 27, 20:40 UTC

Last known position

Most recent position reported by Mode-S 4BB1E3.

Country allocation

The ICAO 24-bit address 4BB1E3 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
THY1AK Turkish Airlines 4 2026-04-26
THY6MG Turkish Airlines 3 2026-04-16
THY2LD Turkish Airlines 3 2026-04-15
THY2HG Turkish Airlines 3 2026-04-14
THY2AV Turkish Airlines 3 2026-04-14
THY6DT Turkish Airlines 2 2026-04-17
THY5144 Turkish Airlines 2 2026-04-17
THY4VL Turkish Airlines 2 2026-04-19
THY4SD Turkish Airlines 2 2026-04-15
THY3NV Turkish Airlines 2 2026-04-16
THY2JK Turkish Airlines 2 2026-04-20
THY2DM - 2 2026-04-13
THY1896 Turkish Airlines 2 2026-04-14
THY145 Turkish Airlines 2 2026-04-16
THY144 Turkish Airlines 2 2026-04-16
THY9YH Turkish Airlines 1 2026-04-25
THY9WR Turkish Airlines 1 2026-04-27
THY9PJ Turkish Airlines 1 2026-04-21
THY9PG Turkish Airlines 1 2026-04-21
THY90Q Turkish Airlines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-04-27 THY9WR IST → GZT Apr 27, 18:10 UTCApr 27, 20:40 UTC2h 30m
2026-04-27 THY1PA IST → CDG Apr 27, 13:05 UTCApr 27, 16:15 UTC3h 10m
2026-04-26 THY1AK LHE → IST Apr 26, 18:45 UTCApr 27, 05:20 UTC10h 35m
2026-04-26 THY5334 - Apr 26, 01:10 UTCApr 26, 11:45 UTC10h 35m
2026-04-25 THY90Q MXP → IST Apr 25, 18:00 UTCApr 25, 19:55 UTC1h 55m
2026-04-25 THY9YH OGU → IST Apr 25, 13:20 UTCApr 25, 15:40 UTC2h 20m
2026-04-24 THY369 TAS → IST Apr 24, 23:50 UTCApr 25, 09:10 UTC9h 20m
2026-04-24 THY2TC BCN → IST Apr 24, 17:15 UTCApr 24, 20:05 UTC2h 50m
2026-04-24 THY5QT VAR → IST Apr 24, 12:40 UTCApr 24, 15:25 UTC2h 45m
2026-04-24 THY4AX CDG → IST Apr 24, 05:40 UTCApr 24, 08:25 UTC2h 45m
2026-04-23 THY8WM IST → ESB Apr 23, 17:15 UTCApr 23, 20:15 UTC3h 0m
2026-04-23 THY1KQ BLQ → IST Apr 23, 11:05 UTCApr 23, 13:35 UTC2h 30m
2026-04-23 THY3JL MAN → IST Apr 23, 05:35 UTCApr 23, 08:50 UTC3h 15m
2026-04-22 THY6FL NOP → IST Apr 22, 10:10 UTCApr 22, 12:45 UTC2h 35m
2026-04-22 THY7WT DUB → IST Apr 22, 04:50 UTCApr 22, 07:55 UTC3h 5m
2026-04-21 THY4RN ESB → IST Apr 21, 21:55 UTCApr 22, 00:35 UTC2h 40m
2026-04-21 THY9PG CDG → SAW Apr 21, 16:40 UTCApr 21, 20:00 UTC3h 20m
2026-04-21 THY9PJ SAW → VAN Apr 21, 13:25 UTCApr 21, 14:05 UTC40m
2026-04-21 THY2QJ IST → KFS Apr 21, 10:25 UTCApr 21, 11:15 UTC50m
2026-04-20 THY4HC IST → NBO Apr 20, 16:20 UTCApr 20, 17:45 UTC1h 25m
2026-04-20 THY2JK CAI → IST Apr 20, 03:30 UTCApr 20, 05:05 UTC1h 35m
2026-04-19 THY4VL IST → CAI Apr 19, 23:20 UTCApr 20, 00:40 UTC1h 20m
2026-04-19 THY1DB LIS → IST Apr 19, 16:40 UTCApr 19, 20:15 UTC3h 35m
2026-04-19 THY4GH SAW → DUS Apr 19, 09:55 UTCApr 19, 14:10 UTC4h 15m
2026-04-18 THY351 ALA → IST Apr 18, 18:20 UTCApr 19, 05:45 UTC11h 25m
2026-04-18 THY5254 ESB → MED Apr 18, 08:25 UTCApr 18, 14:50 UTC6h 25m
2026-04-17 THY5145 JED → ESB Apr 17, 18:00 UTCApr 17, 19:10 UTC1h 10m
2026-04-17 THY5144 DIY → JED Apr 17, 13:20 UTCApr 17, 13:55 UTC35m
2026-04-17 THY5144 DIY → JED Apr 17, 12:40 UTCApr 17, 13:15 UTC35m
2026-04-17 THY6DT IST → AYT Apr 17, 09:20 UTCApr 17, 09:55 UTC35m
2026-04-17 THY6DT IST → AYT Apr 17, 09:00 UTCApr 17, 09:10 UTC10m
2026-04-17 THY2JK CAI → IST Apr 17, 03:35 UTCApr 17, 04:45 UTC1h 11m
2026-04-16 THY4VL IST → CAI Apr 16, 23:25 UTCApr 17, 00:50 UTC1h 25m
2026-04-16 THY6MG BGG → IST Apr 16, 19:15 UTCApr 16, 19:30 UTC15m
2026-04-16 THY6MG BGG → IST Apr 16, 17:15 UTCApr 16, 19:10 UTC1h 55m
2026-04-16 THY3NV IST → FRA Apr 16, 15:15 UTCApr 16, 15:20 UTC5m
2026-04-16 THY3NV IST → FRA Apr 16, 13:15 UTCApr 16, 15:10 UTC1h 55m
2026-04-16 THY145 RUH → IST Apr 16, 09:10 UTCApr 16, 09:45 UTC35m
2026-04-16 THY145 RUH → IST Apr 16, 07:49 UTCApr 16, 09:05 UTC1h 15m
2026-04-16 THY144 IST → RUH Apr 16, 01:10 UTCApr 16, 01:30 UTC20m
2026-04-15 THY144 IST → RUH Apr 15, 23:40 UTCApr 16, 01:05 UTC1h 25m
2026-04-15 THY4SD LHR → IST Apr 15, 19:05 UTCApr 15, 20:40 UTC1h 35m
2026-04-15 THY4SD LHR → IST Apr 15, 17:40 UTCApr 15, 19:00 UTC1h 20m
2026-04-15 THY2LD IST → MAN Apr 15, 15:05 UTCApr 15, 15:40 UTC35m
2026-04-15 THY2LD IST → MAN Apr 15, 13:01 UTCApr 15, 14:55 UTC1h 54m
2026-04-15 THY2LD IST → MAN Apr 15, 12:20 UTCApr 15, 12:55 UTC35m
2026-04-15 THY1AK LHE → IST Apr 15, 05:00 UTCApr 15, 05:35 UTC35m
2026-04-15 THY1AK LHE → IST Apr 15, 04:15 UTCApr 15, 04:50 UTC35m
2026-04-14 THY2AV IST → LHE Apr 14, 19:00 UTCApr 14, 19:55 UTC55m
2026-04-14 THY1896 MXP → IST Apr 14, 14:50 UTCApr 14, 15:35 UTC45m

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

Mode-S 4BB1E3 frequently asked

What is Mode-S code 4BB1E3?
4BB1E3 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-LOC.
Where is Mode-S 4BB1E3 registered?
Mode-S code 4BB1E3 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB1E3 broadcasting right now?
No active broadcast right now. Last signal was Apr 27, 20:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB1E3, octal 22730743, decimal 4,960,739.
What flights does 4BB1E3 operate?
Mode-S 4BB1E3 has broadcast 20 distinct callsigns, including THY1AK, THY6MG, THY2LD, THY2HG, THY2AV.