sensors Mode-S transponder

347259

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-NTX · AIRBUS A-330-300

Hex
347259
Octal
15071131
Decimal
3,437,145
Country
ES
Tail
EC-NTX
Type
A333
No current signal · last broadcast 19h ago
Flights observed
6
Distinct callsigns
2
Country
ES
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 347259.

Country allocation

The ICAO 24-bit address 347259 falls within the block assigned to Spain (ES) by ICAO Annex 10, Volume III. Every aircraft registered in Spain 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 2 distinct

Callsign Airline Flights Last seen
AVA098 - 3 2026-04-13
AVA097 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-04-14

Recent flights last 6

DateFlightRouteTakeoffLandingDuration
2026-04-14 AVA097 BOG → SCL Apr 14, 05:15 UTCApr 14, 05:45 UTC30m
2026-04-13 AVA098 - Apr 13, 16:30 UTCApr 13, 17:00 UTC30m
2026-04-13 AVA098 - Apr 13, 14:30 UTCApr 13, 15:20 UTC50m
2026-04-13 AVA098 - Apr 13, 11:05 UTCApr 13, 11:15 UTC10m
2026-04-13 AVA097 - Apr 13, 04:25 UTCApr 13, 04:55 UTC30m
2026-04-13 AVA097 - Apr 13, 03:00 UTCApr 13, 03:15 UTC15m

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 EC-NTX page for operator, model, and routing details .

Mode-S 347259 frequently asked

What is Mode-S code 347259?
347259 is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-NTX.
Where is Mode-S 347259 registered?
Mode-S code 347259 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 347259 broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 347259, octal 15071131, decimal 3,437,145.
What flights does 347259 operate?
Mode-S 347259 has broadcast 2 distinct callsigns, including AVA098, AVA097.