Apparatus

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sensors Mode-S transponder

347501

ICAO 24-bit transponder address · allocated to Spain

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

Hex
347501
Octal
15072401
Decimal
3,437,825
Country
ES
Tail
EC-OAU
Type
A21N
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
559
Distinct callsigns
20
Country
ES
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S 347501.

Country allocation

The ICAO 24-bit address 347501 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 20 distinct

Callsign Airline Flights Last seen
IBS1633 Iberia Express 11 2026-07-17
IBS1699 - 10 2026-07-06
IBS1501 Iberia Express 10 2026-07-24
IBS1634 - 9 2026-07-18
IBS1712 Iberia Express 8 2026-07-21
IBS1711 Iberia Express 8 2026-07-21
IBS1614 Iberia Express 8 2026-07-22
IBS1581 - 8 2026-07-17
IBS16NQ Iberia Express 7 2026-07-26
IBS16UM Iberia Express 6 2026-07-26
IBS16GR Iberia Express 6 2026-05-14
IBS16ER Iberia Express 6 2026-07-26
IBS1695 Iberia Express 6 2026-07-25
IBS1631 - 6 2026-07-10
IBS1502 - 6 2026-07-06
IBS1836 - 5 2026-07-12
IBS16KM - 5 2026-07-16
IBS1632 - 5 2026-07-11
IBS15RT Iberia Express 5 2026-06-22
IBS17WV - 4 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IBS1635 MAD → LPA Jul 26, 22:05 UTCJul 26, 22:15 UTC10m
2026-07-26 IBS16NQ MAD → PMI Jul 26, 15:10 UTCJul 26, 20:50 UTC5h 40m
2026-07-26 IBS16UM PMI → MAD Jul 26, 12:50 UTCJul 26, 13:45 UTC55m
2026-07-26 IBS16ER MAD → PMI Jul 26, 10:55 UTCJul 26, 11:50 UTC55m
2026-07-26 IBS16SZ IBZ → MAD Jul 26, 07:20 UTCJul 26, 08:10 UTC50m
2026-07-26 IBS16ZZ MAD → IBZ Jul 26, 05:35 UTCJul 26, 06:20 UTC45m
2026-07-25 IBS1676 PMI → MAD Jul 25, 21:00 UTCJul 25, 22:00 UTC1h 0m
2026-07-25 IBS16DF MAD → PMI Jul 25, 18:40 UTCJul 25, 19:35 UTC55m
2026-07-25 IBS1668 PMI → MAD Jul 25, 16:20 UTCJul 25, 17:15 UTC55m
2026-07-25 IBS16LN MAD → PMI Jul 25, 14:10 UTCJul 25, 15:00 UTC50m
2026-07-25 IBS16GJ IBZ → MAD Jul 25, 11:50 UTCJul 25, 12:40 UTC50m
2026-07-25 IBS1695 MAD → IBZ Jul 25, 10:00 UTCJul 25, 10:50 UTC50m
2026-07-25 IBS17UZ SVQ → MAD Jul 25, 07:50 UTCJul 25, 08:35 UTC45m
2026-07-25 IBS1751 MAD → SVQ Jul 25, 06:05 UTCJul 25, 06:50 UTC45m
2026-07-25 IBS1556 TFS → MAD Jul 25, 02:35 UTCJul 25, 04:35 UTC2h 0m
2026-07-24 IBS15LX MAD → TFN Jul 24, 22:35 UTCJul 25, 01:10 UTC2h 35m
2026-07-24 IBS16NQ MAD → PMI Jul 24, 18:40 UTCJul 24, 20:45 UTC2h 5m
2026-07-24 IBS16UT - Jul 24, 14:50 UTCJul 24, 17:00 UTC2h 10m
2026-07-24 IBS1501 MAD → ACE Jul 24, 07:00 UTCJul 24, 12:35 UTC5h 35m
2026-07-23 IBS16UH MAD → LPA Jul 23, 17:10 UTCJul 23, 23:05 UTC5h 55m
2026-07-23 IBS15NJ TFN → MAD Jul 23, 13:30 UTCJul 23, 15:45 UTC2h 15m
2026-07-23 IBS15ZU MAD → TFN Jul 23, 09:50 UTCJul 23, 12:10 UTC2h 20m
2026-07-23 IBS1528 FUE → MAD Jul 23, 06:30 UTCJul 23, 08:30 UTC2h 0m
2026-07-22 IBS1527 MAD → FUE Jul 22, 20:05 UTCJul 22, 22:05 UTC2h 0m
2026-07-22 IBS1614 LPA → MAD Jul 22, 16:45 UTCJul 22, 18:50 UTC2h 5m
2026-07-22 IBS16KN MAD → LPA Jul 22, 12:20 UTCJul 22, 14:35 UTC2h 15m
2026-07-22 IBS16KQ MAD → LPA Jul 22, 05:10 UTCJul 22, 10:25 UTC5h 15m
2026-07-21 IBS16UH - Jul 21, 16:50 UTCJul 21, 22:35 UTC5h 45m
2026-07-21 IBS1524 - Jul 21, 13:35 UTCJul 21, 15:30 UTC1h 55m
2026-07-21 IBS1523 - Jul 21, 10:00 UTCJul 21, 12:05 UTC2h 5m
2026-07-21 IBS1712 MAH → MAD Jul 21, 07:20 UTCJul 21, 08:25 UTC1h 5m
2026-07-21 IBS1711 MAD → MAH Jul 21, 05:05 UTCJul 21, 06:10 UTC1h 5m
2026-07-20 IBS17VB MAH → MAD Jul 20, 21:25 UTCJul 20, 22:35 UTC1h 10m
2026-07-20 IBS17ER - Jul 20, 19:20 UTCJul 20, 20:20 UTC1h 0m
2026-07-20 IBS1523 - Jul 20, 12:20 UTCJul 20, 18:00 UTC5h 40m
2026-07-20 IBS15FT TFN → MAD Jul 20, 07:30 UTCJul 20, 09:40 UTC2h 10m
2026-07-20 IBS15KL FUE → MAD Jul 20, 04:00 UTCJul 20, 06:20 UTC2h 20m
2026-07-19 IBS17UQ IBZ → MAD Jul 19, 23:00 UTCJul 19, 23:50 UTC50m
2026-07-19 IBS17FT - Jul 19, 20:50 UTCJul 19, 21:40 UTC50m
2026-07-19 IBS17WV - Jul 19, 17:45 UTCJul 19, 18:40 UTC55m
2026-07-19 IBS17WV MAD → IBZ Jul 19, 14:50 UTCJul 19, 15:35 UTC45m
2026-07-19 IBS16UM PMI → MAD Jul 19, 12:00 UTCJul 19, 13:10 UTC1h 10m
2026-07-19 IBS16ER MAD → PMI Jul 19, 09:40 UTCJul 19, 10:40 UTC1h 0m
2026-07-19 IBS1514 - Jul 19, 06:25 UTCJul 19, 08:10 UTC1h 45m
2026-07-18 IBS15QJ - Jul 18, 19:55 UTCJul 18, 21:55 UTC2h 0m
2026-07-18 IBS1548 - Jul 18, 16:45 UTCJul 18, 18:45 UTC2h 0m
2026-07-18 IBS1547 - Jul 18, 12:35 UTCJul 18, 15:05 UTC2h 30m
2026-07-18 IBS15RL FUE → MAD Jul 18, 08:55 UTCJul 18, 11:00 UTC2h 5m
2026-07-18 IBS15QE MAD → FUE Jul 18, 05:35 UTCJul 18, 07:40 UTC2h 5m
2026-07-18 IBS1634 - Jul 18, 02:19 UTCJul 18, 04:15 UTC1h 56m

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

Mode-S 347501 frequently asked

What is Mode-S code 347501?
347501 is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-OAU.
Where is Mode-S 347501 registered?
Mode-S code 347501 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 347501 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 347501, octal 15072401, decimal 3,437,825.
What flights does 347501 operate?
Mode-S 347501 has broadcast 20 distinct callsigns, including IBS1633, IBS1699, IBS1501, IBS1634, IBS1712.