Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

3474CE

ICAO 24-bit transponder address · allocated to Spain

Currently assigned to EC-OBN · BOEING 737-800

Hex
3474CE
Octal
15072316
Decimal
3,437,774
Country
ES
Tail
EC-OBN
Type
B738
No current signal · last broadcast 1d ago
Flights observed
84
Distinct callsigns
20
Country
ES
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 3474CE.

Country allocation

The ICAO 24-bit address 3474CE 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
SWT3WZ - 15 2026-05-29
SWT9ER - 14 2026-05-28
BCS71N European Air Transport 5 2026-04-24
BCS473 European Air Transport 5 2026-04-23
BCS22W European Air Transport 5 2026-04-24
BCS472 European Air Transport 4 2026-04-24
BCS448 European Air Transport 3 2026-04-22
BCS4301 - 3 2026-04-21
BCS9237 European Air Transport 2 2026-04-29
BCS9236 European Air Transport 2 2026-04-29
BCS7750 European Air Transport 2 2026-04-21
BCS7552 European Air Transport 2 2026-04-21
BCS7019 European Air Transport 2 2026-04-29
BCS6RU European Air Transport 2 2026-05-01
BCS408 European Air Transport 2 2026-04-20
BCS34W European Air Transport 2 2026-04-21
BCS2200 - 2 2026-04-29
SWT770P Swiftair 1 2026-05-01
SWT4723 - 1 2026-05-22
BCS8UM European Air Transport 1 2026-04-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SWT3WZ - May 29, 02:40 UTCMay 29, 04:00 UTC1h 20m
2026-05-28 SWT9ER BER → CDG May 28, 20:25 UTCMay 28, 21:45 UTC1h 20m
2026-05-28 SWT3WZ - May 28, 02:50 UTCMay 28, 04:10 UTC1h 20m
2026-05-27 SWT9ER BER → CDG May 27, 20:20 UTCMay 27, 21:50 UTC1h 30m
2026-05-27 SWT3WZ CDG → BER May 27, 02:49 UTCMay 27, 04:09 UTC1h 20m
2026-05-26 SWT9ER - May 26, 20:24 UTCMay 26, 21:49 UTC1h 25m
2026-05-26 SWT3WZ CDG → BER May 26, 04:35 UTCMay 26, 05:54 UTC1h 20m
2026-05-22 SWT4723 BER → CDG May 22, 20:20 UTCMay 22, 21:40 UTC1h 20m
2026-05-22 SWT3WZ - May 22, 02:35 UTCMay 22, 03:55 UTC1h 20m
2026-05-21 SWT9ER - May 21, 20:30 UTCMay 21, 21:55 UTC1h 25m
2026-05-21 SWT3WZ - May 21, 02:35 UTCMay 21, 03:55 UTC1h 20m
2026-05-20 SWT9ER BER → CDG May 20, 20:25 UTCMay 20, 21:45 UTC1h 20m
2026-05-20 SWT3WZ CDG → BER May 20, 02:40 UTCMay 20, 03:55 UTC1h 15m
2026-05-19 SWT9ER BER → CDG May 19, 20:20 UTCMay 19, 21:40 UTC1h 20m
2026-05-19 SWT3WZ CDG → BER May 19, 02:35 UTCMay 19, 03:50 UTC1h 15m
2026-05-18 SWT9ER BER → CDG May 18, 20:25 UTCMay 18, 21:45 UTC1h 20m
2026-05-15 SWT3WZ - May 15, 02:50 UTCMay 15, 04:10 UTC1h 20m
2026-05-13 SWT9ER BER → CDG May 13, 20:25 UTCMay 13, 21:50 UTC1h 25m
2026-05-13 SWT3WZ CDG → BER May 13, 02:35 UTCMay 13, 04:05 UTC1h 30m
2026-05-12 SWT9ER BER → CDG May 12, 20:35 UTCMay 12, 22:01 UTC1h 25m
2026-05-12 SWT3WZ - May 12, 02:45 UTCMay 12, 04:10 UTC1h 25m
2026-05-11 SWT9ER BER → CDG May 11, 20:25 UTCMay 11, 21:45 UTC1h 20m
2026-05-08 SWT3WZ - May 8, 02:35 UTCMay 8, 03:49 UTC1h 15m
2026-05-07 SWT9ER BER → CDG May 7, 20:25 UTCMay 7, 21:55 UTC1h 30m
2026-05-07 SWT3WZ CDG → BER May 7, 02:35 UTCMay 7, 03:55 UTC1h 20m
2026-05-06 SWT9ER BER → CDG May 6, 20:25 UTCMay 6, 21:45 UTC1h 20m
2026-05-06 SWT3WZ CDG → BER May 6, 02:40 UTCMay 6, 04:00 UTC1h 20m
2026-05-05 SWT9ER BER → CDG May 5, 20:50 UTCMay 5, 22:15 UTC1h 25m
2026-05-05 SWT3WZ - May 5, 02:35 UTCMay 5, 03:50 UTC1h 15m
2026-05-04 SWT9ER BER → CDG May 4, 20:30 UTCMay 4, 22:05 UTC1h 35m
2026-05-01 SWT770P MAD → BCN May 1, 06:40 UTCMay 1, 08:15 UTC1h 35m
2026-05-01 BCS6RU LEJ → PSA May 1, 03:45 UTCMay 1, 05:05 UTC1h 20m
2026-04-30 BCS7CW - Apr 30, 20:50 UTCApr 30, 22:10 UTC1h 20m
2026-04-30 BCS6RU LEJ → PSA Apr 30, 03:40 UTCApr 30, 05:00 UTC1h 20m
2026-04-29 BCS2200 BRU → LEJ Apr 29, 23:50 UTCApr 30, 00:45 UTC55m
2026-04-29 BCS7019 BLQ → BRU Apr 29, 20:40 UTCApr 29, 22:10 UTC1h 30m
2026-04-29 BCS9237 BLQ → LEJ Apr 29, 16:45 UTCApr 29, 18:10 UTC1h 25m
2026-04-29 BCS9236 ATH → SKP Apr 29, 06:59 UTCApr 29, 07:45 UTC45m
2026-04-29 BCS8UM MXP → ATH Apr 29, 01:40 UTCApr 29, 03:45 UTC2h 5m
2026-04-28 BCS136 LEJ → MXP Apr 28, 22:45 UTCApr 29, 00:10 UTC1h 25m
2026-04-28 BCS2200 BRU → LEJ Apr 28, 00:10 UTCApr 28, 01:00 UTC50m
2026-04-27 BCS7019 BLQ → BRU Apr 27, 20:40 UTCApr 27, 22:10 UTC1h 30m
2026-04-27 BCS9237 BLQ → LEJ Apr 27, 16:50 UTCApr 27, 18:15 UTC1h 25m
2026-04-27 BCS9236 ATH → SKP Apr 27, 05:30 UTCApr 27, 06:15 UTC45m
2026-04-26 BCS7550 MXP → ATH Apr 26, 23:00 UTCApr 27, 01:05 UTC2h 5m
2026-04-24 BCS7AG VIT → MXP Apr 24, 21:15 UTCApr 24, 22:40 UTC1h 25m
2026-04-24 BCS22W EMA → ALC Apr 24, 18:25 UTCApr 24, 19:15 UTC50m
2026-04-24 BCS71N VIT → ALC Apr 24, 05:55 UTCApr 24, 06:50 UTC55m
2026-04-24 BCS472 EMA → EMA Apr 24, 01:20 UTCApr 24, 02:55 UTC1h 35m
2026-04-23 BCS473 VIT → EMA Apr 23, 21:55 UTCApr 23, 23:30 UTC1h 35m

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

Mode-S 3474CE frequently asked

What is Mode-S code 3474CE?
3474CE is an ICAO 24-bit transponder address. Allocated to Spain. Assigned to EC-OBN.
Where is Mode-S 3474CE registered?
Mode-S code 3474CE is allocated to Spain (ES). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3474CE 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 3474CE, octal 15072316, decimal 3,437,774.
What flights does 3474CE operate?
Mode-S 3474CE has broadcast 20 distinct callsigns, including SWT3WZ, SWT9ER, BCS71N, BCS473, BCS22W.