Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

34310D

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-KLD · BOEING 757-200

Hex
34310D
Octal
15030415
Decimal
3,420,429
Country
ES
Tail
EC-KLD
Type
B752
No current signal · last broadcast Jul 24, 02:30 UTC
Flights observed
270
Distinct callsigns
20
Country
ES
Last broadcast
Jul 24, 02:30 UTC

Last known position

Most recent position reported by Mode-S 34310D.

Country allocation

The ICAO 24-bit address 34310D 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
BCS5AY European Air Transport 22 2026-07-22
BCS1683 European Air Transport 20 2026-07-23
BCS1684 European Air Transport 19 2026-07-23
BCS7CK European Air Transport 18 2026-07-24
BCS7613 - 18 2026-07-23
BCS92P European Air Transport 14 2026-07-22
BCS3WP - 14 2026-07-18
BCS2234 European Air Transport 14 2026-07-18
BCS225P - 13 2026-07-21
BCS1928 - 12 2026-07-22
BCS1730 - 12 2026-07-22
BCS116 European Air Transport 12 2026-07-21
BCS115 - 11 2026-07-15
BCS1926 - 10 2026-07-13
BCS47H European Air Transport 9 2026-06-02
BCS216P - 7 2026-06-03
BCS210P European Air Transport 5 2026-06-13
BCS209P European Air Transport 5 2026-07-20
BCS80A European Air Transport 4 2026-06-03
BCS133 European Air Transport 4 2026-04-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 BCS7CK MXP → MXP Jul 24, 00:50 UTCJul 24, 02:30 UTC1h 40m
2026-07-23 BCS7613 - Jul 23, 21:50 UTCJul 23, 22:35 UTC45m
2026-07-23 BCS1683 MRS → LEJ Jul 23, 18:15 UTCJul 23, 19:00 UTC45m
2026-07-23 BCS1684 LEJ → MRS Jul 23, 02:35 UTCJul 23, 04:10 UTC1h 35m
2026-07-22 BCS92P BRU → LEJ Jul 22, 22:50 UTCJul 22, 23:45 UTC55m
2026-07-22 BCS5AY TLS → BRU Jul 22, 19:30 UTCJul 22, 20:50 UTC1h 20m
2026-07-22 BCS1928 LYS → TLS Jul 22, 04:45 UTCJul 22, 05:25 UTC40m
2026-07-22 BCS1730 - Jul 22, 02:05 UTCJul 22, 03:05 UTC1h 0m
2026-07-21 BCS116 LEJ → BRU Jul 21, 23:05 UTCJul 21, 23:55 UTC50m
2026-07-21 BCS225P - Jul 21, 16:05 UTCJul 21, 18:35 UTC2h 30m
2026-07-21 BCS7CK MXP → MXP Jul 21, 01:00 UTCJul 21, 02:50 UTC1h 50m
2026-07-20 BCS7613 - Jul 20, 21:55 UTCJul 20, 22:45 UTC50m
2026-07-20 BCS209P EMA → GVA Jul 20, 18:00 UTCJul 20, 20:00 UTC2h 0m
2026-07-18 BCS3WP - Jul 18, 05:00 UTCJul 18, 07:05 UTC2h 5m
2026-07-18 BCS2234 BLQ → STN Jul 18, 03:25 UTCJul 18, 03:50 UTC25m
2026-07-18 BCS2234 BLQ → STN Jul 18, 00:04 UTCJul 18, 01:54 UTC1h 50m
2026-07-17 BCS1683 - Jul 17, 20:29 UTCJul 17, 21:20 UTC50m
2026-07-17 BCS1684 LEJ → MRS Jul 17, 05:15 UTCJul 17, 07:00 UTC1h 45m
2026-07-16 BCS92P - Jul 16, 23:10 UTCJul 17, 00:04 UTC55m
2026-07-16 BCS5AY TLS → BRU Jul 16, 19:45 UTCJul 16, 21:00 UTC1h 15m
2026-07-16 BCS1928 - Jul 16, 05:00 UTCJul 16, 05:45 UTC45m
2026-07-16 BCS1730 BRU → LYS Jul 16, 02:05 UTCJul 16, 03:15 UTC1h 10m
2026-07-15 BCS116 - Jul 15, 23:05 UTCJul 16, 00:05 UTC1h 0m
2026-07-15 BCS115 BRU → LEJ Jul 15, 19:20 UTCJul 15, 20:10 UTC50m
2026-07-15 BCS225P - Jul 15, 16:15 UTCJul 15, 18:05 UTC1h 50m
2026-07-15 BCS7CK - Jul 15, 00:50 UTCJul 15, 02:45 UTC1h 55m
2026-07-14 BCS7613 - Jul 14, 21:40 UTCJul 14, 22:10 UTC30m
2026-07-14 BCS1683 - Jul 14, 18:20 UTCJul 14, 19:05 UTC45m
2026-07-14 BCS1684 - Jul 14, 02:35 UTCJul 14, 04:15 UTC1h 40m
2026-07-13 BCS92P BRU → LEJ Jul 13, 22:45 UTCJul 13, 23:35 UTC50m
2026-07-13 BCS5AY TLS → BRU Jul 13, 20:00 UTCJul 13, 21:15 UTC1h 15m
2026-07-13 BCS1926 LEJ → TLS Jul 13, 02:20 UTCJul 13, 04:10 UTC1h 50m
2026-07-10 BCS5701 - Jul 10, 20:25 UTCJul 10, 20:50 UTC25m
2026-07-10 BCS5781 - Jul 10, 17:40 UTCJul 10, 18:40 UTC1h 0m
2026-07-10 BCS5780 - Jul 10, 05:25 UTCJul 10, 06:30 UTC1h 5m
2026-07-10 BCS15N - Jul 10, 03:20 UTCJul 10, 04:15 UTC55m
2026-07-09 BCS5701 - Jul 9, 20:40 UTCJul 9, 21:00 UTC20m
2026-07-09 BCS5781 - Jul 9, 18:05 UTCJul 9, 19:00 UTC55m
2026-07-09 BCS5780 GDN → RIX Jul 9, 05:40 UTCJul 9, 06:40 UTC1h 0m
2026-07-09 BCS15N - Jul 9, 03:20 UTCJul 9, 04:20 UTC1h 0m
2026-07-08 BCS92P - Jul 8, 22:50 UTCJul 8, 23:50 UTC1h 0m
2026-07-08 BCS5AY TLS → BRU Jul 8, 19:45 UTCJul 8, 21:05 UTC1h 20m
2026-07-08 BCS1928 - Jul 8, 04:55 UTCJul 8, 05:35 UTC40m
2026-07-08 BCS1730 - Jul 8, 02:10 UTCJul 8, 03:00 UTC50m
2026-07-07 BCS116 LEJ → BRU Jul 7, 23:10 UTCJul 8, 00:00 UTC50m
2026-07-07 BCS115 - Jul 7, 19:30 UTCJul 7, 20:25 UTC55m
2026-07-07 BCS225P - Jul 7, 16:30 UTCJul 7, 18:20 UTC1h 50m
2026-07-07 BCS7CK MXP → MAD Jul 7, 00:50 UTCJul 7, 02:30 UTC1h 40m
2026-07-06 BCS7613 - Jul 6, 21:30 UTCJul 6, 22:05 UTC35m
2026-07-06 BCS209P - Jul 6, 18:15 UTCJul 6, 20:10 UTC1h 55m

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

Mode-S 34310D frequently asked

What is Mode-S code 34310D?
34310D is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-KLD.
Where is Mode-S 34310D registered?
Mode-S code 34310D is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 34310D broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 02:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 34310D, octal 15030415, decimal 3,420,429.
What flights does 34310D operate?
Mode-S 34310D has broadcast 20 distinct callsigns, including BCS5AY, BCS1683, BCS1684, BCS7CK, BCS7613.