Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4CA4F5

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-DPR · BOEING 737-800

Hex
4CA4F5
Octal
23122365
Decimal
5,022,965
Country
IE
Tail
EI-DPR
Type
B738
Broadcasting now · callsign RYR99AK · 35,000 ft
Flights observed
263
Distinct callsigns
20
Country
IE
Last broadcast
1h ago

Current position

4CA4F5 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4CA4F5 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
RYR75ND Ryanair 4 2026-05-14
RYR4VW Ryanair 4 2026-05-14
RYR1YL Ryanair 4 2026-05-06
RYR117J Ryanair 4 2026-05-06
RYR7JA Ryanair 3 2026-04-30
RYR5LF Ryanair 3 2026-05-07
RYR43NU Ryanair 3 2026-05-07
RYR12SL Ryanair 3 2026-04-30
RYR9N - 2 2026-04-13
RYR8UD Ryanair 2 2026-05-02
RYR8LD Ryanair 2 2026-04-29
RYR80FZ Ryanair 2 2026-04-15
RYR75VR Ryanair 2 2026-04-16
RYR755H Ryanair 2 2026-05-15
RYR72HH Ryanair 2 2026-05-04
RYR6UP Ryanair 2 2026-04-24
RYR69ML - 2 2026-05-02
RYR687J Ryanair 2 2026-05-15
RYR5NY Ryanair 2 2026-04-17
RYR59VA Ryanair 2 2026-04-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 RYR99SH - May 30, 16:45 UTCMay 30, 19:10 UTC2h 25m
2026-05-30 RYR632Q BCN → PMI May 30, 15:05 UTCMay 30, 15:30 UTC25m
2026-05-30 RYR2897 PMI → BCN May 30, 12:20 UTCMay 30, 12:55 UTC35m
2026-05-30 RYR9LR DUB → JTR May 30, 07:25 UTCMay 30, 09:25 UTC2h 0m
2026-05-30 RYR45CN PMI → BRE May 30, 04:15 UTCMay 30, 06:40 UTC2h 25m
2026-05-29 RYR24XK BER → PMI May 29, 20:50 UTCMay 29, 22:50 UTC2h 0m
2026-05-29 RYR734J PMI → BER May 29, 17:20 UTCMay 29, 19:50 UTC2h 30m
2026-05-29 RYR67HD AGP → PMI May 29, 15:00 UTCMay 29, 16:10 UTC1h 10m
2026-05-29 RYR143M PMI → AGP May 29, 12:10 UTCMay 29, 13:15 UTC1h 5m
2026-05-29 RYR6VW PIK → PMI May 29, 08:10 UTCMay 29, 10:35 UTC2h 25m
2026-05-29 RYR7NH LGW → ALC May 29, 04:40 UTCMay 29, 07:15 UTC2h 35m
2026-05-28 RYR22AC WAW → PMI May 28, 16:40 UTCMay 28, 19:15 UTC2h 35m
2026-05-28 RYR59EK PMI → WAW May 28, 12:55 UTCMay 28, 15:45 UTC2h 50m
2026-05-28 RYR9TG FCO → CIY May 28, 10:35 UTCMay 28, 11:30 UTC55m
2026-05-28 RYR9BA BER → TFS May 28, 07:50 UTCMay 28, 08:40 UTC50m
2026-05-28 RYR29UF BER → MAN May 28, 05:40 UTCMay 28, 06:30 UTC50m
2026-05-28 RYR4214 PMI → TLS May 28, 04:00 UTCMay 28, 04:50 UTC50m
2026-05-27 RYR7SR EMA → RIX May 27, 19:05 UTCMay 27, 20:35 UTC1h 30m
2026-05-27 RYR76MJ PMI → FKB May 27, 16:50 UTCMay 27, 18:30 UTC1h 40m
2026-05-27 RYR2ZF AGP → EMA May 27, 13:50 UTCMay 27, 15:45 UTC1h 55m
2026-05-27 RYR9HL STN → MXP May 27, 11:10 UTCMay 27, 13:05 UTC1h 55m
2026-05-27 RYR9QG ALC → RAK May 27, 07:20 UTCMay 27, 09:40 UTC2h 20m
2026-05-27 RYR5987 PMI → MME May 27, 04:09 UTCMay 27, 06:29 UTC2h 20m
2026-05-26 RYR88YX - May 26, 18:55 UTCMay 26, 19:40 UTC45m
2026-05-26 RYR1398 PMI → ZAZ May 26, 17:35 UTCMay 26, 18:10 UTC35m
2026-05-26 RYR49RT BTS → PMI May 26, 14:24 UTCMay 26, 16:24 UTC2h 0m
2026-05-26 RYR6UN TRF → KRK May 26, 11:24 UTCMay 26, 13:40 UTC2h 15m
2026-05-26 RYR6DD LPL → ALC May 26, 06:54 UTCMay 26, 08:59 UTC2h 5m
2026-05-26 RYR6SF BRS → KUN May 26, 03:50 UTCMay 26, 05:45 UTC1h 55m
2026-05-25 RYR30JT SVQ → PMI May 25, 19:10 UTCMay 25, 20:30 UTC1h 20m
2026-05-25 RYR61LJ PMI → SVQ May 25, 17:05 UTCMay 25, 18:20 UTC1h 15m
2026-05-25 RYR99MB ZAG → PMI May 25, 14:15 UTCMay 25, 16:00 UTC1h 45m
2026-05-25 RYR7GC SVQ → FUE May 25, 11:15 UTCMay 25, 13:05 UTC1h 50m
2026-05-25 RYR7372 VLC → PMI May 25, 09:30 UTCMay 25, 10:10 UTC40m
2026-05-25 RYR24ST PMI → VLC May 25, 07:55 UTCMay 25, 08:30 UTC35m
2026-05-25 RYR29UF BER → MAN May 25, 06:05 UTCMay 25, 06:50 UTC45m
2026-05-25 RYR4214 PMI → TLS May 25, 04:25 UTCMay 25, 05:20 UTC55m
2026-05-24 RYR899T BGY → PMI May 24, 23:00 UTCMay 24, 23:35 UTC35m
2026-05-24 RYR5YX BVA → SDR May 24, 20:05 UTCMay 24, 21:30 UTC1h 25m
2026-05-24 RYR5SR EDI → IBZ May 24, 17:05 UTCMay 24, 19:05 UTC2h 0m
2026-05-24 RYR3PT MAN → EIN May 24, 14:05 UTCMay 24, 15:55 UTC1h 50m
2026-05-24 RYR54CX STN → LCJ May 24, 11:20 UTCMay 24, 13:10 UTC1h 50m
2026-05-24 RYR817L - May 24, 08:45 UTCMay 24, 10:25 UTC1h 40m
2026-05-24 RYR615U STN → BZR May 24, 06:15 UTCMay 24, 07:50 UTC1h 35m
2026-05-23 RYR9CB TFS → MAN May 23, 20:20 UTCMay 23, 23:40 UTC3h 20m
2026-05-23 RYR63PD STN → ATH May 23, 16:10 UTCMay 23, 19:15 UTC3h 6m
2026-05-23 RYR6NG FCO → BRI May 23, 13:00 UTCMay 23, 15:05 UTC2h 5m
2026-05-23 RYR5NQ AGP → GLA May 23, 09:50 UTCMay 23, 12:00 UTC2h 10m
2026-05-23 RYR49EY OPO → STN May 23, 06:25 UTCMay 23, 08:20 UTC1h 55m
2026-05-22 RYR427G AGP → OPO May 22, 21:15 UTCMay 22, 22:15 UTC1h 0m

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

Mode-S 4CA4F5 frequently asked

What is Mode-S code 4CA4F5?
4CA4F5 is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-DPR.
Where is Mode-S 4CA4F5 registered?
Mode-S code 4CA4F5 is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CA4F5 broadcasting right now?
Yes. Mode-S 4CA4F5 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CA4F5, octal 23122365, decimal 5,022,965.
What flights does 4CA4F5 operate?
Mode-S 4CA4F5 has broadcast 20 distinct callsigns, including RYR75ND, RYR4VW, RYR1YL, RYR117J, RYR7JA.