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
Broadcasting now · callsign IBS18ZP · 29,425 ft
Flights observed
489
Distinct callsigns
20
Country
ES
Last broadcast
1h ago

Current position

347501 is currently broadcasting. Map zoomed to live position.

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
IBS1699 - 10 2026-07-06
IBS1633 - 10 2026-07-05
IBS1501 - 9 2026-07-06
IBS1634 - 8 2026-07-06
IBS1712 - 7 2026-06-23
IBS1711 - 7 2026-06-23
IBS1581 Iberia Express 7 2026-06-19
IBS16GR Iberia Express 6 2026-05-14
IBS1631 - 6 2026-07-10
IBS1614 - 6 2026-07-09
IBS1502 - 6 2026-07-06
IBS1836 - 5 2026-07-12
IBS1695 Iberia Express 5 2026-06-25
IBS1632 - 5 2026-07-11
IBS15RT Iberia Express 5 2026-06-22
IBS17UF Iberia Express 4 2026-06-25
IBS17SB Iberia Express 4 2026-05-27
IBS17FB Iberia Express 4 2026-05-27
IBS16XL Iberia Express 4 2026-05-25
IBS16TP Iberia Express 4 2026-05-31

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IBS18ZP - Jul 14, 10:00 UTCJul 14, 10:15 UTC15m
2026-07-14 IBS16QY - Jul 14, 07:30 UTCJul 14, 08:30 UTC1h 0m
2026-07-14 IBS16RR - Jul 14, 05:20 UTCJul 14, 06:20 UTC1h 0m
2026-07-13 IBS17VB - Jul 13, 20:05 UTCJul 13, 21:10 UTC1h 5m
2026-07-13 IBS17ER - Jul 13, 18:05 UTCJul 13, 19:05 UTC1h 0m
2026-07-13 IBS1532 - Jul 13, 14:40 UTCJul 13, 16:55 UTC2h 15m
2026-07-13 IBS1531 - Jul 13, 11:05 UTCJul 13, 13:35 UTC2h 30m
2026-07-12 IBS16KM - Jul 12, 18:40 UTCJul 13, 08:45 UTC14h 5m
2026-07-12 IBS16QF - Jul 12, 15:15 UTCJul 12, 17:15 UTC2h 0m
2026-07-12 IBS16QM - Jul 12, 11:05 UTCJul 12, 13:20 UTC2h 15m
2026-07-12 IBS1836 - Jul 12, 05:10 UTCJul 12, 07:20 UTC2h 10m
2026-07-11 IBS1835 - Jul 11, 18:30 UTCJul 11, 20:35 UTC2h 5m
2026-07-11 IBS16QF - Jul 11, 14:25 UTCJul 11, 16:25 UTC2h 0m
2026-07-11 IBS16QM - Jul 11, 10:30 UTCJul 11, 12:50 UTC2h 20m
2026-07-11 IBS1632 - Jul 11, 06:40 UTCJul 11, 08:40 UTC2h 0m
2026-07-10 IBS1631 - Jul 10, 21:30 UTCJul 10, 23:50 UTC2h 20m
2026-07-10 IBS16EJ - Jul 10, 19:10 UTCJul 10, 20:05 UTC55m
2026-07-10 IBS16XV - Jul 10, 17:10 UTCJul 10, 18:05 UTC55m
2026-07-10 IBS15NJ - Jul 10, 13:15 UTCJul 10, 15:30 UTC2h 15m
2026-07-10 IBS15ZU - Jul 10, 09:40 UTCJul 10, 11:55 UTC2h 15m
2026-07-10 IBS16MP - Jul 10, 05:55 UTCJul 10, 07:55 UTC2h 0m
2026-07-09 IBS16KM - Jul 9, 19:20 UTCJul 9, 21:30 UTC2h 10m
2026-07-09 IBS1614 - Jul 9, 16:05 UTCJul 9, 17:55 UTC1h 50m
2026-07-09 IBS16KN - Jul 9, 12:10 UTCJul 9, 14:20 UTC2h 10m
2026-07-09 IBS16PP - Jul 9, 08:30 UTCJul 9, 10:40 UTC2h 10m
2026-07-09 IBS16KQ - Jul 9, 04:50 UTCJul 9, 07:20 UTC2h 30m
2026-07-08 IBS1884 - Jul 8, 18:55 UTCJul 8, 21:00 UTC2h 5m
2026-07-08 IBS1883 - Jul 8, 15:15 UTCJul 8, 17:10 UTC1h 55m
2026-07-08 IBS16UM - Jul 8, 11:50 UTCJul 8, 12:55 UTC1h 5m
2026-07-08 IBS16ER - Jul 8, 09:40 UTCJul 8, 10:35 UTC55m
2026-07-08 IBS16SZ IBZ → MAD Jul 8, 07:20 UTCJul 8, 08:05 UTC45m
2026-07-08 IBS16ZZ MAD → IBZ Jul 8, 05:30 UTCJul 8, 06:20 UTC50m
2026-07-07 IBS15KN - Jul 7, 20:30 UTCJul 7, 22:50 UTC2h 20m
2026-07-07 IBS15BP - Jul 7, 16:30 UTCJul 7, 18:55 UTC2h 25m
2026-07-07 IBS1851 MAD → MAD Jul 7, 09:45 UTCJul 7, 13:40 UTC3h 55m
2026-07-07 IBS16SZ - Jul 7, 07:25 UTCJul 7, 08:10 UTC45m
2026-07-07 IBS16ZZ MAD → IBZ Jul 7, 05:35 UTCJul 7, 06:30 UTC55m
2026-07-06 IBS17VB MAH → MAD Jul 6, 20:15 UTCJul 6, 21:20 UTC1h 5m
2026-07-06 IBS17ER - Jul 6, 18:10 UTCJul 6, 19:20 UTC1h 10m
2026-07-06 IBS17WV IBZ → MAD Jul 6, 16:10 UTCJul 6, 17:05 UTC55m
2026-07-06 IBS1699 - Jul 6, 14:20 UTCJul 6, 15:10 UTC50m
2026-07-06 IBS1502 - Jul 6, 10:30 UTCJul 6, 12:35 UTC2h 5m
2026-07-06 IBS1501 - Jul 6, 08:30 UTCJul 6, 09:20 UTC50m
2026-07-06 IBS1501 - Jul 6, 07:05 UTCJul 6, 08:25 UTC1h 20m
2026-07-06 IBS1634 - Jul 6, 01:55 UTCJul 6, 04:05 UTC2h 10m
2026-07-05 IBS1633 - Jul 5, 22:20 UTCJul 6, 00:45 UTC2h 25m
2026-07-05 IBS16NQ - Jul 5, 18:05 UTCJul 5, 20:20 UTC2h 15m
2026-07-05 IBS16UT - Jul 5, 14:35 UTCJul 5, 17:00 UTC2h 25m
2026-07-05 IBS15QV - Jul 5, 10:40 UTCJul 5, 13:00 UTC2h 20m
2026-07-05 IBS156D - Jul 5, 09:20 UTCJul 5, 09:35 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-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?
Yes. Mode-S 347501 is currently airborne.
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 IBS1699, IBS1633, IBS1501, IBS1634, IBS1712.