sensors Mode-S transponder

34744D

ICAO 24-bit transponder address · allocated to Spain

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

Hex
34744D
Octal
15072115
Decimal
3,437,645
Country
ES
Tail
EC-NYF
Type
A21N
No current signal · last broadcast 13h ago
Flights observed
12
Distinct callsigns
8
Country
ES
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S 34744D.

Country allocation

The ICAO 24-bit address 34744D 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 8 distinct

Callsign Airline Flights Last seen
VLG5UV - 2 2026-04-14
VLG4NY - 2 2026-04-13
VLG48MQ Vueling Airlines 2 2026-04-13
VLG343A - 2 2026-04-13
VLG6HA - 1 2026-04-14
VLG5KB - 1 2026-04-12
VLG3HA - 1 2026-04-12
VLG2WM Vueling Airlines 1 2026-04-13

Recent flights last 12

DateFlightRouteTakeoffLandingDuration
2026-04-14 VLG6HA - Apr 14, 10:35 UTCApr 14, 11:05 UTC30m
2026-04-14 VLG5UV - Apr 14, 07:10 UTCApr 14, 07:45 UTC35m
2026-04-14 VLG5UV - Apr 14, 06:20 UTCApr 14, 07:10 UTC50m
2026-04-13 VLG343A - Apr 13, 19:50 UTCApr 13, 20:45 UTC55m
2026-04-13 VLG343A - Apr 13, 19:10 UTCApr 13, 20:10 UTC1h 0m
2026-04-13 VLG4NY - Apr 13, 16:15 UTCApr 13, 18:00 UTC1h 45m
2026-04-13 VLG4NY - Apr 13, 16:05 UTCApr 13, 16:15 UTC10m
2026-04-13 VLG48MQ BER → BCN Apr 13, 12:20 UTCApr 13, 14:30 UTC2h 10m
2026-04-13 VLG48MQ BER → BCN Apr 13, 12:10 UTCApr 13, 12:15 UTC5m
2026-04-13 VLG2WM BCN → BER Apr 13, 08:45 UTCApr 13, 10:50 UTC2h 5m
2026-04-12 VLG5KB - Apr 12, 19:45 UTCApr 12, 20:15 UTC30m
2026-04-12 VLG3HA - Apr 12, 17:15 UTCApr 12, 18:40 UTC1h 25m

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

Mode-S 34744D frequently asked

What is Mode-S code 34744D?
34744D is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-NYF.
Where is Mode-S 34744D registered?
Mode-S code 34744D is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 34744D broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 34744D, octal 15072115, decimal 3,437,645.
What flights does 34744D operate?
Mode-S 34744D has broadcast 8 distinct callsigns, including VLG5UV, VLG4NY, VLG48MQ, VLG343A, VLG6HA.