sensors Mode-S transponder

4BB219

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-LPY · AIRBUS A-321neo

Hex
4BB219
Octal
22731031
Decimal
4,960,793
Country
TR
Tail
TC-LPY
Type
A21N
No current signal · last broadcast 12h ago
Flights observed
10
Distinct callsigns
6
Country
TR
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 4BB219.

Country allocation

The ICAO 24-bit address 4BB219 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 6 distinct

Callsign Airline Flights Last seen
THY9TE - 3 2026-04-13
THY8CX Turkish Airlines 2 2026-04-14
THY8BC - 2 2026-04-13
THY8XH Turkish Airlines 1 2026-04-12
THY8RF Turkish Airlines 1 2026-04-14
THY2XW Turkish Airlines 1 2026-04-13

Recent flights last 10

DateFlightRouteTakeoffLandingDuration
2026-04-14 THY8RF VLC → IST Apr 14, 09:30 UTCApr 14, 11:05 UTC1h 35m
2026-04-14 THY8CX ESB → DUS Apr 14, 07:10 UTCApr 14, 07:50 UTC40m
2026-04-14 THY8CX ESB → DUS Apr 14, 05:15 UTCApr 14, 07:10 UTC1h 55m
2026-04-13 THY8BC - Apr 13, 19:50 UTCApr 13, 20:30 UTC40m
2026-04-13 THY8BC - Apr 13, 17:15 UTCApr 13, 20:10 UTC2h 55m
2026-04-13 THY2XW IST → STR Apr 13, 12:20 UTCApr 13, 15:50 UTC3h 30m
2026-04-13 THY9TE - Apr 13, 08:20 UTCApr 13, 09:25 UTC1h 5m
2026-04-13 THY9TE - Apr 13, 07:55 UTCApr 13, 09:25 UTC1h 30m
2026-04-13 THY9TE - Apr 13, 06:15 UTCApr 13, 08:15 UTC2h 0m
2026-04-12 THY8XH IST → LGW Apr 12, 17:45 UTCApr 12, 20:15 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-LPY page for operator, model, and routing details .

Mode-S 4BB219 frequently asked

What is Mode-S code 4BB219?
4BB219 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-LPY.
Where is Mode-S 4BB219 registered?
Mode-S code 4BB219 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4BB219 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4BB219, octal 22731031, decimal 4,960,793.
What flights does 4BB219 operate?
Mode-S 4BB219 has broadcast 6 distinct callsigns, including THY9TE, THY8CX, THY8BC, THY8XH, THY8RF.