Apparatus

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sensors Mode-S transponder

346408

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-NHS · TECNAM P-2002 Sierra

Hex
346408
Octal
15062010
Decimal
3,433,480
Country
ES
Tail
EC-NHS
Type
SIRA
No current signal · last broadcast 14h ago
Flights observed
260
Distinct callsigns
20
Country
ES
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 346408.

Country allocation

The ICAO 24-bit address 346408 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
EAX3G - 48 2026-07-12
EAX1G - 48 2026-07-10
EAX2G - 44 2026-07-13
EAX4G - 26 2026-07-13
EAX1GS - 19 2026-07-12
EAX5G - 14 2026-06-25
EAX5GS - 10 2026-06-24
EAX4GS - 9 2026-07-11
EAX2GS - 7 2026-07-12
EAX6G - 6 2026-06-26
EAX3GS - 6 2026-06-25
EAX7G - 3 2026-05-13
EAX1P - 3 2026-06-03
EAX1KS - 2 2026-06-07
EAX1AS - 2 2026-07-06
EAX9G - 1 2026-06-05
EAX7GS - 1 2026-04-16
EAX6GS - 1 2026-05-07
EAX5H - 1 2026-04-25
EAX5BS - 1 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 EAX4G - Jul 13, 15:40 UTCJul 13, 16:30 UTC50m
2026-07-13 EAX2G - Jul 13, 11:30 UTCJul 13, 12:45 UTC1h 15m
2026-07-12 EAX3G - Jul 12, 14:50 UTCJul 12, 16:10 UTC1h 20m
2026-07-12 EAX2GS - Jul 12, 11:45 UTCJul 12, 13:25 UTC1h 40m
2026-07-12 EAX1GS - Jul 12, 09:50 UTCJul 12, 10:50 UTC1h 0m
2026-07-11 EAX4GS - Jul 11, 16:20 UTCJul 11, 16:45 UTC25m
2026-07-11 EAX3G - Jul 11, 12:10 UTCJul 11, 12:35 UTC25m
2026-07-10 EAX2G - Jul 10, 13:35 UTCJul 10, 14:30 UTC55m
2026-07-10 EAX1G - Jul 10, 09:25 UTCJul 10, 10:20 UTC55m
2026-07-09 EAX3G - Jul 9, 13:35 UTCJul 9, 14:10 UTC35m
2026-07-08 EAX2GS - Jul 8, 17:05 UTCJul 8, 17:25 UTC20m
2026-07-08 EAX2GS - Jul 8, 16:10 UTCJul 8, 16:30 UTC20m
2026-07-08 EAX1GS - Jul 8, 10:05 UTCJul 8, 11:15 UTC1h 10m
2026-07-07 EAX4G - Jul 7, 14:50 UTCJul 7, 15:55 UTC1h 5m
2026-07-07 EAX3G - Jul 7, 12:35 UTCJul 7, 13:10 UTC35m
2026-07-07 EAX2G - Jul 7, 11:25 UTCJul 7, 11:45 UTC20m
2026-07-06 EAX2G - Jul 6, 13:30 UTCJul 6, 14:10 UTC40m
2026-07-06 EAX1GS - Jul 6, 10:25 UTCJul 6, 11:00 UTC35m
2026-07-06 EAX1AS - Jul 6, 09:15 UTCJul 6, 09:25 UTC10m
2026-07-06 EAX1AS - Jul 6, 08:15 UTCJul 6, 08:30 UTC15m
2026-07-05 EAX3G - Jul 5, 16:40 UTCJul 5, 16:55 UTC15m
2026-07-05 EAX3G - Jul 5, 15:10 UTCJul 5, 16:00 UTC50m
2026-07-05 EAX2G - Jul 5, 12:10 UTCJul 5, 12:30 UTC20m
2026-07-04 EAX2GS - Jul 4, 09:50 UTCJul 4, 11:35 UTC1h 45m
2026-07-03 EAX1G - Jul 3, 10:20 UTCJul 3, 12:20 UTC2h 0m
2026-06-30 EAX2G - Jun 30, 12:00 UTCJun 30, 12:10 UTC10m
2026-06-30 EAX1G - Jun 30, 10:15 UTCJun 30, 10:55 UTC40m
2026-06-29 EAX4G - Jun 29, 17:40 UTCJun 29, 18:49 UTC1h 10m
2026-06-29 EAX1G - Jun 29, 07:40 UTCJun 29, 08:54 UTC1h 15m
2026-06-28 EAX3G - Jun 28, 14:09 UTCJun 28, 15:09 UTC1h 0m
2026-06-28 EAX2G - Jun 28, 12:05 UTCJun 28, 13:19 UTC1h 15m
2026-06-28 EAX1G - Jun 28, 09:34 UTCJun 28, 10:50 UTC1h 15m
2026-06-27 EAX3G - Jun 27, 13:49 UTCJun 27, 15:49 UTC2h 0m
2026-06-27 EAX1GS - Jun 27, 07:34 UTCJun 27, 09:04 UTC1h 30m
2026-06-26 EAX6G - Jun 26, 17:54 UTCJun 26, 18:09 UTC15m
2026-06-26 EAX1GS - Jun 26, 07:55 UTCJun 26, 08:24 UTC30m
2026-06-25 EAX6G - Jun 25, 18:00 UTCJun 25, 18:15 UTC15m
2026-06-25 EAX5G - Jun 25, 16:24 UTCJun 25, 17:14 UTC50m
2026-06-25 EAX4G - Jun 25, 13:40 UTCJun 25, 14:44 UTC1h 5m
2026-06-25 EAX3GS - Jun 25, 12:35 UTCJun 25, 13:05 UTC30m
2026-06-25 EAX2G - Jun 25, 10:15 UTCJun 25, 10:55 UTC40m
2026-06-25 EAX1GS - Jun 25, 08:40 UTCJun 25, 09:20 UTC40m
2026-06-24 EAX5GS - Jun 24, 17:59 UTCJun 24, 18:15 UTC15m
2026-06-24 EAX5GS - Jun 24, 16:59 UTCJun 24, 17:14 UTC15m
2026-06-24 EAX2G - Jun 24, 12:30 UTCJun 24, 13:10 UTC40m
2026-06-24 EAX1G - Jun 24, 09:59 UTCJun 24, 10:59 UTC1h 0m
2026-06-23 EAX1F - Jun 23, 15:50 UTCJun 23, 16:20 UTC30m
2026-06-23 EAX1G - Jun 23, 12:35 UTCJun 23, 13:59 UTC1h 25m
2026-06-22 EAX3G - Jun 22, 13:49 UTCJun 22, 14:34 UTC45m
2026-06-22 EAX2G - Jun 22, 11:24 UTCJun 22, 13:10 UTC1h 45m

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

Mode-S 346408 frequently asked

What is Mode-S code 346408?
346408 is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-NHS.
Where is Mode-S 346408 registered?
Mode-S code 346408 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 346408 broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 346408, octal 15062010, decimal 3,433,480.
What flights does 346408 operate?
Mode-S 346408 has broadcast 20 distinct callsigns, including EAX3G, EAX1G, EAX2G, EAX4G, EAX1GS.