Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

346199

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-NFN · BOEING 757-200

Hex
346199
Octal
15060631
Decimal
3,432,857
Country
ES
Tail
EC-NFN
Type
B752
No current signal · last broadcast 16h ago
Flights observed
121
Distinct callsigns
20
Country
ES
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 346199.

Country allocation

The ICAO 24-bit address 346199 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
BCS1684 European Air Transport 11 2026-05-27
BCS5AY European Air Transport 9 2026-05-26
BCS7CK European Air Transport 8 2026-05-28
BCS225P European Air Transport 8 2026-05-19
BCS1928 European Air Transport 8 2026-05-26
BCS116 European Air Transport 8 2026-05-25
BCS3WP European Air Transport 7 2026-05-29
BCS1683 European Air Transport 7 2026-05-27
BCS7613 - 6 2026-05-27
BCS47H European Air Transport 6 2026-05-29
BCS1730 European Air Transport 6 2026-05-26
BCS115 European Air Transport 5 2026-05-19
BCS92P European Air Transport 4 2026-05-26
BCS209P European Air Transport 4 2026-05-29
BCS9LE European Air Transport 3 2026-05-18
BCS80A European Air Transport 3 2026-05-28
BCS3YK European Air Transport 3 2026-05-29
BCS216P - 3 2026-05-28
BCS5917 European Air Transport 2 2026-05-25
BCS2234 European Air Transport 2 2026-05-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 BCS3YK OPO → LEJ May 29, 19:25 UTCMay 29, 22:10 UTC2h 45m
2026-05-29 BCS209P EMA → GVA May 29, 17:00 UTCMay 29, 17:45 UTC45m
2026-05-29 BCS3WP EMA → EMA May 29, 03:15 UTCMay 29, 04:05 UTC50m
2026-05-29 BCS47H LEJ → LEJ May 29, 00:05 UTCMay 29, 01:55 UTC1h 50m
2026-05-28 BCS80A MXP → LEJ May 28, 21:30 UTCMay 28, 22:40 UTC1h 10m
2026-05-28 BCS216P - May 28, 17:25 UTCMay 28, 19:45 UTC2h 20m
2026-05-28 BCS7CK MXP → MXP May 28, 01:00 UTCMay 28, 02:40 UTC1h 40m
2026-05-27 BCS7613 - May 27, 21:45 UTCMay 27, 22:20 UTC35m
2026-05-27 BCS1683 MRS → LEJ May 27, 18:10 UTCMay 27, 19:00 UTC50m
2026-05-27 BCS1684 LEJ → MRS May 27, 02:29 UTCMay 27, 03:59 UTC1h 30m
2026-05-26 BCS92P BRU → LEJ May 26, 23:10 UTCMay 27, 00:10 UTC1h 0m
2026-05-26 BCS5AY TLS → BRU May 26, 19:50 UTCMay 26, 21:09 UTC1h 20m
2026-05-26 BCS1928 LYS → LYS May 26, 04:50 UTCMay 26, 05:34 UTC45m
2026-05-26 BCS1730 BRU → BRU May 26, 02:15 UTCMay 26, 03:15 UTC1h 0m
2026-05-25 BCS116 LEJ → BRU May 25, 23:04 UTCMay 25, 23:54 UTC50m
2026-05-25 BCS5917 KTW → LEJ May 25, 20:09 UTCMay 25, 20:55 UTC45m
2026-05-24 BCS5916 LEJ → KTW May 24, 23:00 UTCMay 24, 23:20 UTC20m
2026-05-22 BCS3YK OPO → LEJ May 22, 19:25 UTCMay 22, 22:00 UTC2h 35m
2026-05-22 BCS209P EMA → GVA May 22, 17:20 UTCMay 22, 18:10 UTC50m
2026-05-22 BCS7CK MXP → MXP May 22, 00:55 UTCMay 22, 02:35 UTC1h 40m
2026-05-21 BCS7613 - May 21, 21:30 UTCMay 21, 22:05 UTC35m
2026-05-21 BCS1683 MRS → LEJ May 21, 18:25 UTCMay 21, 19:15 UTC50m
2026-05-21 BCS1684 LEJ → MRS May 21, 02:40 UTCMay 21, 04:05 UTC1h 25m
2026-05-20 BCS92P BRU → LEJ May 20, 22:50 UTCMay 20, 23:45 UTC55m
2026-05-20 BCS5AY TLS → BRU May 20, 19:35 UTCMay 20, 21:00 UTC1h 25m
2026-05-20 BCS1928 LYS → LYS May 20, 04:50 UTCMay 20, 05:35 UTC45m
2026-05-20 BCS1730 BRU → BRU May 20, 02:05 UTCMay 20, 03:00 UTC55m
2026-05-19 BCS116 LEJ → BRU May 19, 23:10 UTCMay 20, 00:05 UTC55m
2026-05-19 BCS115 BRU → LEJ May 19, 19:20 UTCMay 19, 20:15 UTC55m
2026-05-19 BCS225P MAD → VCE May 19, 16:00 UTCMay 19, 17:50 UTC1h 50m
2026-05-19 BCS3WP EMA → EMA May 19, 03:10 UTCMay 19, 04:05 UTC55m
2026-05-18 BCS47H LEJ → LEJ May 18, 23:45 UTCMay 19, 01:40 UTC1h 55m
2026-05-18 BCS9LE MRS → LEJ May 18, 20:35 UTCMay 18, 22:15 UTC1h 40m
2026-05-18 BCS1684 LEJ → MRS May 18, 00:10 UTCMay 18, 01:50 UTC1h 40m
2026-05-16 BCS210P SVG → MXP May 16, 08:36 UTCMay 16, 11:16 UTC2h 40m
2026-05-16 BCS5HM MAD → OPO May 16, 06:31 UTCMay 16, 07:20 UTC50m
2026-05-16 BCS3WP EMA → EMA May 16, 02:55 UTCMay 16, 04:50 UTC1h 55m
2026-05-16 BCS2234 BLQ → STN May 16, 00:40 UTCMay 16, 01:05 UTC25m
2026-05-15 BCS2234 BLQ → STN May 15, 21:40 UTCMay 15, 23:35 UTC1h 55m
2026-05-15 BCS1683 MRS → LEJ May 15, 18:20 UTCMay 15, 19:05 UTC45m
2026-05-15 BCS1684 LEJ → MRS May 15, 02:40 UTCMay 15, 04:15 UTC1h 35m
2026-05-14 BCS7CW - May 14, 20:45 UTCMay 14, 22:00 UTC1h 15m
2026-05-14 BCS6RU LEJ → PSA May 14, 04:10 UTCMay 14, 05:30 UTC1h 20m
2026-05-13 BCS115 BRU → LEJ May 13, 19:20 UTCMay 13, 20:20 UTC1h 0m
2026-05-13 BCS225P MAD → VCE May 13, 15:45 UTCMay 13, 17:45 UTC2h 0m
2026-05-13 BCS3WP EMA → EMA May 13, 03:00 UTCMay 13, 03:55 UTC55m
2026-05-13 BCS47H LEJ → LEJ May 13, 00:00 UTCMay 13, 02:00 UTC2h 0m
2026-05-12 BCS80A MXP → LEJ May 12, 20:55 UTCMay 12, 22:15 UTC1h 20m
2026-05-12 BCS216P MAD → MXP May 12, 17:15 UTCMay 12, 19:00 UTC1h 45m
2026-05-12 BCS7CK MXP → MXP May 12, 02:45 UTCMay 12, 02:50 UTC5m

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

Mode-S 346199 frequently asked

What is Mode-S code 346199?
346199 is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-NFN.
Where is Mode-S 346199 registered?
Mode-S code 346199 is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 346199 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 346199, octal 15060631, decimal 3,432,857.
What flights does 346199 operate?
Mode-S 346199 has broadcast 20 distinct callsigns, including BCS1684, BCS5AY, BCS7CK, BCS225P, BCS1928.