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 1d ago
Flights observed
128
Distinct callsigns
20
Country
ES
Last broadcast
1d ago

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 10 2026-05-27
BCS3WP European Air Transport 9 2026-05-26
BCS1683 European Air Transport 9 2026-05-28
BCS7CK European Air Transport 8 2026-05-29
BCS7613 - 8 2026-05-28
BCS47H European Air Transport 8 2026-05-26
BCS1684 European Air Transport 8 2026-05-28
BCS225P European Air Transport 6 2026-05-26
BCS2234 European Air Transport 6 2026-05-23
BCS1926 European Air Transport 6 2026-05-18
BCS92P European Air Transport 5 2026-05-27
BCS216P - 5 2026-05-13
BCS115 European Air Transport 5 2026-05-26
BCS1928 European Air Transport 4 2026-05-27
BCS1730 European Air Transport 4 2026-05-27
BCS133 European Air Transport 4 2026-04-16
BCS116 European Air Transport 4 2026-05-26
BCS80A European Air Transport 3 2026-05-13
BCS210P European Air Transport 3 2026-05-23
BCS5HM European Air Transport 2 2026-05-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 BCS7CK MXP → MXP May 29, 00:55 UTCMay 29, 02:35 UTC1h 40m
2026-05-28 BCS7613 - May 28, 22:10 UTCMay 28, 22:50 UTC40m
2026-05-28 BCS1683 MRS → LEJ May 28, 18:20 UTCMay 28, 19:05 UTC45m
2026-05-28 BCS1684 LEJ → MRS May 28, 02:35 UTCMay 28, 04:10 UTC1h 35m
2026-05-27 BCS92P BRU → LEJ May 27, 22:55 UTCMay 27, 23:45 UTC50m
2026-05-27 BCS5AY TLS → BRU May 27, 19:35 UTCMay 27, 20:50 UTC1h 15m
2026-05-27 BCS1928 LYS → LYS May 27, 04:59 UTCMay 27, 05:45 UTC45m
2026-05-27 BCS1730 BRU → BRU May 27, 02:04 UTCMay 27, 03:04 UTC1h 0m
2026-05-26 BCS116 LEJ → BRU May 26, 23:19 UTCMay 27, 00:10 UTC50m
2026-05-26 BCS115 BRU → LEJ May 26, 19:34 UTCMay 26, 20:29 UTC55m
2026-05-26 BCS225P MAD → VCE May 26, 16:10 UTCMay 26, 17:59 UTC1h 50m
2026-05-26 BCS3WP EMA → EMA May 26, 03:09 UTCMay 26, 04:00 UTC50m
2026-05-26 BCS47H LEJ → LEJ May 26, 00:04 UTCMay 26, 02:00 UTC1h 55m
2026-05-25 BCS9LE MRS → LEJ May 25, 20:40 UTCMay 25, 22:10 UTC1h 30m
2026-05-23 BCS210P SVG → MXP May 23, 08:55 UTCMay 23, 11:40 UTC2h 45m
2026-05-23 BCS5HM MAD → OPO May 23, 06:40 UTCMay 23, 07:25 UTC45m
2026-05-23 BCS3WP EMA → EMA May 23, 03:05 UTCMay 23, 05:10 UTC2h 5m
2026-05-23 BCS2234 BLQ → STN May 23, 01:25 UTCMay 23, 01:45 UTC20m
2026-05-22 BCS2234 BLQ → STN May 22, 21:50 UTCMay 22, 23:40 UTC1h 50m
2026-05-22 BCS1683 MRS → LEJ May 22, 18:10 UTCMay 22, 19:00 UTC50m
2026-05-22 BCS1684 LEJ → MRS May 22, 02:30 UTCMay 22, 04:00 UTC1h 30m
2026-05-21 BCS92P BRU → LEJ May 21, 22:50 UTCMay 21, 23:45 UTC55m
2026-05-21 BCS5AY TLS → BRU May 21, 19:45 UTCMay 21, 21:05 UTC1h 20m
2026-05-21 BCS1928 LYS → LYS May 21, 05:05 UTCMay 21, 05:45 UTC40m
2026-05-21 BCS1730 BRU → BRU May 21, 02:10 UTCMay 21, 03:10 UTC1h 0m
2026-05-20 BCS116 LEJ → BRU May 20, 23:20 UTCMay 21, 00:15 UTC55m
2026-05-20 BCS115 BRU → LEJ May 20, 19:20 UTCMay 20, 20:20 UTC1h 0m
2026-05-20 BCS225P MAD → VCE May 20, 15:50 UTCMay 20, 17:45 UTC1h 55m
2026-05-20 BCS7CK MXP → MXP May 20, 00:55 UTCMay 20, 02:35 UTC1h 40m
2026-05-19 BCS7613 - May 19, 21:40 UTCMay 19, 22:10 UTC30m
2026-05-19 BCS1683 MRS → LEJ May 19, 18:25 UTCMay 19, 19:15 UTC50m
2026-05-19 BCS1684 LEJ → MRS May 19, 02:40 UTCMay 19, 04:15 UTC1h 35m
2026-05-18 BCS5AY TLS → BRU May 18, 19:40 UTCMay 18, 21:25 UTC1h 45m
2026-05-18 BCS1926 LEJ → TLS May 18, 02:15 UTCMay 18, 04:05 UTC1h 50m
2026-05-15 BCS3YK OPO → LEJ May 15, 19:05 UTCMay 15, 21:55 UTC2h 50m
2026-05-15 BCS209P EMA → GVA May 15, 16:55 UTCMay 15, 17:45 UTC50m
2026-05-15 BCS7CK MXP → MXP May 15, 00:50 UTCMay 15, 02:50 UTC2h 0m
2026-05-14 BCS7613 - May 14, 21:45 UTCMay 14, 22:25 UTC40m
2026-05-14 BCS225P MAD → VCE May 14, 18:00 UTCMay 14, 19:45 UTC1h 45m
2026-05-14 BCS3WP EMA → EMA May 14, 03:20 UTCMay 14, 04:20 UTC1h 0m
2026-05-13 BCS47H LEJ → LEJ May 13, 23:55 UTCMay 14, 02:05 UTC2h 10m
2026-05-13 BCS80A MXP → LEJ May 13, 21:20 UTCMay 13, 22:30 UTC1h 10m
2026-05-13 BCS216P MAD → MXP May 13, 17:25 UTCMay 13, 19:20 UTC1h 55m
2026-05-13 BCS7CK MXP → MXP May 13, 00:50 UTCMay 13, 02:45 UTC1h 55m
2026-05-12 BCS7613 - May 12, 21:25 UTCMay 12, 22:01 UTC35m
2026-05-12 BCS1683 MRS → LEJ May 12, 18:15 UTCMay 12, 19:05 UTC50m
2026-05-12 BCS1684 LEJ → MRS May 12, 02:45 UTCMay 12, 04:10 UTC1h 25m
2026-05-11 BCS5AY TLS → BRU May 11, 19:55 UTCMay 11, 21:30 UTC1h 35m
2026-05-11 BCS1926 LEJ → TLS May 11, 02:30 UTCMay 11, 04:25 UTC1h 55m
2026-05-09 BCS210P SVG → MXP May 9, 08:55 UTCMay 9, 11:35 UTC2h 40m

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 1d ago.
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, BCS3WP, BCS1683, BCS7CK, BCS7613.