Apparatus

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sensors Mode-S transponder

4CA849

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-EMA · BOEING 737-800

Hex
4CA849
Octal
23124111
Decimal
5,023,817
Country
IE
Tail
EI-EMA
Type
B738
Broadcasting now · callsign RYR56EF · 30,375 ft
Flights observed
283
Distinct callsigns
20
Country
IE
Last broadcast
1h ago

Current position

4CA849 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4CA849 falls within the block assigned to Ireland (IE) by ICAO Annex 10, Volume III. Every aircraft registered in Ireland 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
RYR36SU - 6 2026-04-16
RYR5268 Ryanair 5 2026-04-16
RYR90CX Ryanair 3 2026-05-12
RYR8AU Ryanair 3 2026-05-03
RYR87YR Ryanair 3 2026-05-05
RYR7DU Ryanair 3 2026-04-28
RYR7743 - 3 2026-04-15
RYR3SB Ryanair 3 2026-04-17
RYR35SH - 3 2026-04-13
RYR31VW Ryanair 3 2026-04-28
RYR2TN Ryanair 3 2026-05-12
RYR9UF - 2 2026-04-16
RYR9QJ Ryanair 2 2026-05-23
RYR9PJ - 2 2026-04-13
RYR8TM - 2 2026-04-15
RYR89UQ Ryanair 2 2026-05-26
RYR82FL - 2 2026-05-02
RYR7SJ Ryanair 2 2026-05-25
RYR7RS Ryanair 2 2026-05-17
RYR7RP Ryanair 2 2026-04-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 RYR32SC MRS → FCO May 30, 06:05 UTCMay 30, 07:00 UTC55m
2026-05-30 RYR945 EDI → TRN May 30, 04:20 UTCMay 30, 05:15 UTC55m
2026-05-29 RYR9CL OPO → VIE May 29, 19:05 UTCMay 29, 20:40 UTC1h 35m
2026-05-29 RYR95CH OTP → BER May 29, 16:00 UTCMay 29, 17:50 UTC1h 50m
2026-05-29 RYR3EM BER → OTP May 29, 11:25 UTCMay 29, 13:05 UTC1h 40m
2026-05-29 RYR127K RAK → BER May 29, 06:25 UTCMay 29, 10:20 UTC3h 55m
2026-05-28 RYR7422 CRL → BVA May 28, 17:05 UTCMay 28, 19:50 UTC2h 45m
2026-05-28 RYR85ZH - May 28, 08:45 UTCMay 28, 15:55 UTC7h 10m
2026-05-27 RYR47KA RAK → DLE May 27, 22:40 UTCMay 28, 07:45 UTC9h 5m
2026-05-27 RYR29PG BCN → RAK May 27, 18:20 UTCMay 27, 21:50 UTC3h 30m
2026-05-27 RYR54FF CRL → RAK May 27, 10:30 UTCMay 27, 17:05 UTC6h 35m
2026-05-27 RYR816C RAK → CRL May 27, 06:34 UTCMay 27, 09:35 UTC3h 1m
2026-05-26 RYR7AC VIE → DUB May 26, 18:30 UTCMay 26, 21:20 UTC2h 50m
2026-05-26 RYR44SX RAK → BRU May 26, 14:05 UTCMay 26, 17:09 UTC3h 5m
2026-05-26 RYR1GE TSF → EIN May 26, 10:54 UTCMay 26, 12:30 UTC1h 35m
2026-05-26 RYR89UQ RAK → BCN May 26, 07:10 UTCMay 26, 08:54 UTC1h 45m
2026-05-25 RYR7SJ VLC → RAK May 25, 19:50 UTCMay 25, 21:15 UTC1h 25m
2026-05-25 RYR25PE RAK → VLC May 25, 15:15 UTCMay 25, 18:55 UTC3h 40m
2026-05-25 RYR1447 RAK → LPA May 25, 13:30 UTCMay 25, 13:40 UTC10m
2026-05-25 RYR7HC OPO → LIL May 25, 08:20 UTCMay 25, 10:35 UTC2h 15m
2026-05-24 RYR9JB GOT → ZAD May 24, 23:00 UTCMay 25, 07:20 UTC8h 20m
2026-05-24 RYR1SF LIG → RAK May 24, 16:25 UTCMay 24, 21:45 UTC5h 20m
2026-05-24 RYR21HD RAK → LIG May 24, 13:25 UTCMay 24, 15:20 UTC1h 55m
2026-05-24 RYR190J CIA → RAK May 24, 09:05 UTCMay 24, 11:40 UTC2h 35m
2026-05-24 RYR4BL RAK → CIA May 24, 05:20 UTCMay 24, 07:55 UTC2h 35m
2026-05-23 RYR7TT KRK → CHQ May 23, 22:25 UTCMay 23, 23:20 UTC55m
2026-05-23 RYR9QJ PMO → CRL May 23, 20:15 UTCMay 23, 21:25 UTC1h 10m
2026-05-23 RYR96XU MAD → RAK May 23, 16:20 UTCMay 23, 17:35 UTC1h 15m
2026-05-23 RYR5SK STN → TLL May 23, 13:30 UTCMay 23, 14:50 UTC1h 20m
2026-05-23 RYR4HY RMU → DUB May 23, 09:00 UTCMay 23, 11:15 UTC2h 15m
2026-05-23 RYR26HQ - May 23, 05:45 UTCMay 23, 07:45 UTC2h 0m
2026-05-23 RYR4399 LUX → OPO May 23, 00:45 UTCMay 23, 01:40 UTC55m
2026-05-22 RYR9QJ PMO → CRL May 22, 22:55 UTCMay 22, 23:55 UTC1h 0m
2026-05-22 RYR1BZ ARN → MLA May 22, 20:00 UTCMay 22, 21:20 UTC1h 20m
2026-05-22 RYR5BM - May 22, 17:20 UTCMay 22, 18:40 UTC1h 20m
2026-05-22 RYR89XK BER → RAK May 22, 11:50 UTCMay 22, 15:30 UTC3h 40m
2026-05-22 RYR127K RAK → BER May 22, 06:25 UTCMay 22, 10:00 UTC3h 35m
2026-05-21 RYR7SJ VLC → RAK May 21, 19:30 UTCMay 21, 20:45 UTC1h 15m
2026-05-21 RYR25PE RAK → VLC May 21, 14:40 UTCMay 21, 18:30 UTC3h 50m
2026-05-21 RYR7436 ALC → BGY May 21, 12:55 UTCMay 21, 13:35 UTC40m
2026-05-21 RYR1353 SDR → RAK May 21, 08:35 UTCMay 21, 10:15 UTC1h 40m
2026-05-20 RYR30KM ALC → NOC May 20, 19:05 UTCMay 21, 07:35 UTC12h 30m
2026-05-20 RYR86TK - May 20, 09:40 UTCMay 20, 18:00 UTC8h 20m
2026-05-20 RYR42CL - May 20, 05:15 UTCMay 20, 08:50 UTC3h 35m
2026-05-19 RYR3ZT FUE → BHX May 19, 23:40 UTCMay 20, 00:35 UTC55m
2026-05-19 RYR4009 RAK → SVQ May 19, 22:10 UTCMay 19, 23:00 UTC50m
2026-05-19 RYR7AC VIE → DUB May 19, 17:30 UTCMay 19, 20:35 UTC3h 5m
2026-05-19 RYR44SX RAK → BRU May 19, 13:35 UTCMay 19, 16:15 UTC2h 40m
2026-05-19 RYR1GE TSF → EIN May 19, 10:05 UTCMay 19, 11:50 UTC1h 45m
2026-05-19 RYR89UQ RAK → BCN May 19, 07:05 UTCMay 19, 08:40 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 EI-EMA page for operator, model, and routing details .

Mode-S 4CA849 frequently asked

What is Mode-S code 4CA849?
4CA849 is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-EMA.
Where is Mode-S 4CA849 registered?
Mode-S code 4CA849 is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CA849 broadcasting right now?
Yes. Mode-S 4CA849 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CA849, octal 23124111, decimal 5,023,817.
What flights does 4CA849 operate?
Mode-S 4CA849 has broadcast 20 distinct callsigns, including RYR36SU, RYR5268, RYR90CX, RYR8AU, RYR87YR.