sensors Mode-S transponder

347247

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-NST · AIRBUS A-321neo

Hex
347247
Octal
15071107
Decimal
3,437,127
Country
ES
Tail
EC-NST
Type
A21N
No current signal · last broadcast 18h ago
Flights observed
17
Distinct callsigns
10
Country
ES
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S 347247.

Country allocation

The ICAO 24-bit address 347247 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 10 distinct

Callsign Airline Flights Last seen
IBS1634 - 4 2026-04-13
IBS15MJ - 3 2026-04-13
IBS1694 - 2 2026-04-13
IBS1588 - 2 2026-04-13
IBS16YP - 1 2026-04-12
IBS16MX - 1 2026-04-14
IBS16MQ - 1 2026-04-12
IBS16KJ - 1 2026-04-14
IBS16JP - 1 2026-04-14
IBS1693 Iberia Express 1 2026-04-13

Recent flights last 17

DateFlightRouteTakeoffLandingDuration
2026-04-14 IBS16KJ - Apr 14, 10:35 UTCApr 14, 11:05 UTC30m
2026-04-14 IBS16MX - Apr 14, 07:25 UTCApr 14, 08:10 UTC45m
2026-04-14 IBS16JP - Apr 14, 05:35 UTCApr 14, 06:15 UTC40m
2026-04-13 IBS1588 - Apr 13, 20:05 UTCApr 13, 21:15 UTC1h 10m
2026-04-13 IBS1588 - Apr 13, 18:45 UTCApr 13, 20:10 UTC1h 25m
2026-04-13 IBS15MJ - Apr 13, 16:15 UTCApr 13, 17:20 UTC1h 5m
2026-04-13 IBS15MJ - Apr 13, 15:50 UTCApr 13, 17:20 UTC1h 30m
2026-04-13 IBS15MJ - Apr 13, 15:15 UTCApr 13, 16:15 UTC1h 0m
2026-04-13 IBS1694 - Apr 13, 08:20 UTCApr 13, 08:50 UTC30m
2026-04-13 IBS1694 - Apr 13, 08:00 UTCApr 13, 08:15 UTC15m
2026-04-13 IBS1693 MAD → IBZ Apr 13, 06:20 UTCApr 13, 07:05 UTC45m
2026-04-13 IBS1634 - Apr 13, 04:20 UTCApr 13, 04:30 UTC10m
2026-04-13 IBS1634 - Apr 13, 03:55 UTCApr 13, 04:30 UTC35m
2026-04-13 IBS1634 - Apr 13, 00:20 UTCApr 13, 04:15 UTC3h 55m
2026-04-13 IBS1634 - Apr 13, 00:00 UTCApr 13, 03:50 UTC3h 50m
2026-04-12 IBS16MQ - Apr 12, 20:05 UTCApr 12, 20:15 UTC10m
2026-04-12 IBS16YP - Apr 12, 18:05 UTCApr 12, 18:55 UTC50m

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

Mode-S 347247 frequently asked

What is Mode-S code 347247?
347247 is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-NST.
Where is Mode-S 347247 registered?
Mode-S code 347247 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 347247 broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 347247, octal 15071107, decimal 3,437,127.
What flights does 347247 operate?
Mode-S 347247 has broadcast 10 distinct callsigns, including IBS1634, IBS15MJ, IBS1694, IBS1588, IBS16YP.