Apparatus

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sensors Mode-S transponder

4CAC8E

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-SIP · AIRBUS A-320neo

Hex
4CAC8E
Octal
23126216
Decimal
5,024,910
Country
IE
Tail
EI-SIP
Type
A20N
No current signal · last broadcast 1h ago
Flights observed
237
Distinct callsigns
20
Country
IE
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4CAC8E.

Country allocation

The ICAO 24-bit address 4CAC8E 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
SAS73C Scandinavian Airlines System 5 2026-05-15
SAS560 Scandinavian Airlines System 5 2026-05-15
SAS68R Scandinavian Airlines System 4 2026-05-12
SAS55H Scandinavian Airlines System 4 2026-05-12
SAS026 Scandinavian Airlines System 4 2026-05-26
SAS97P Scandinavian Airlines System 3 2026-05-26
SAS92D Scandinavian Airlines System 3 2026-05-26
SAS64U Scandinavian Airlines System 3 2026-05-28
SAS63Z Scandinavian Airlines System 3 2026-04-13
SAS594 Scandinavian Airlines System 3 2026-05-15
SAS58M - 3 2026-04-13
SAS57B Scandinavian Airlines System 3 2026-05-15
SAS2982 Scandinavian Airlines System 3 2026-04-17
SAS2981 Scandinavian Airlines System 3 2026-04-17
SAS1713 Scandinavian Airlines System 3 2026-05-15
SAS1712 Scandinavian Airlines System 3 2026-05-15
SAS035 Scandinavian Airlines System 3 2026-05-24
SAS034 Scandinavian Airlines System 3 2026-05-24
SAS94B Scandinavian Airlines System 2 2026-04-27
SAS86L Scandinavian Airlines System 2 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SAS1804 AGP → ARN May 29, 19:25 UTCMay 29, 23:20 UTC3h 55m
2026-05-29 SAS245E ARN → AGP May 29, 14:10 UTCMay 29, 18:00 UTC3h 50m
2026-05-29 SAS55A ALC → ARN May 29, 09:15 UTCMay 29, 12:55 UTC3h 40m
2026-05-29 SAS35K ARN → ALC May 29, 04:20 UTCMay 29, 07:45 UTC3h 25m
2026-05-28 SAS66P BRU → ARN May 28, 17:15 UTCMay 28, 19:05 UTC1h 50m
2026-05-28 SAS64U ARN → BRU May 28, 14:20 UTCMay 28, 16:10 UTC1h 50m
2026-05-27 SAS62F KRN → ARN May 27, 19:50 UTCMay 27, 21:05 UTC1h 15m
2026-05-27 SAS1044 ARN → KRN May 27, 17:45 UTCMay 27, 19:00 UTC1h 15m
2026-05-27 SAS2114 MMX → ARN May 27, 15:35 UTCMay 27, 16:30 UTC55m
2026-05-27 SAS2113 ARN → MMX May 27, 14:00 UTCMay 27, 14:50 UTC50m
2026-05-27 SAS496 OSL → ARN May 27, 12:05 UTCMay 27, 12:55 UTC50m
2026-05-27 SAS495 ARN → OSL May 27, 10:35 UTCMay 27, 11:20 UTC45m
2026-05-27 SAS005 - May 27, 08:25 UTCMay 27, 09:30 UTC1h 5m
2026-05-27 SAS1004 ARN → LLA May 27, 06:34 UTCMay 27, 07:35 UTC1h 0m
2026-05-27 SAS45A CPH → CDG May 27, 04:34 UTCMay 27, 05:19 UTC45m
2026-05-26 SAS026 ARN → UME May 26, 20:05 UTCMay 26, 20:40 UTC35m
2026-05-26 SAS92D ARN → PRG May 26, 16:50 UTCMay 26, 18:30 UTC1h 40m
2026-05-26 SAS97P ARN → PRG May 26, 14:14 UTCMay 26, 15:49 UTC1h 35m
2026-05-26 SAS51D DUB → ARN May 26, 11:15 UTCMay 26, 13:19 UTC2h 5m
2026-05-26 SAS31B ARN → DUB May 26, 07:24 UTCMay 26, 10:05 UTC2h 40m
2026-05-26 SAS150 GOT → ARN May 26, 05:25 UTCMay 26, 06:10 UTC45m
2026-05-25 SAS173 ARN → GOT May 25, 20:55 UTCMay 25, 21:40 UTC45m
2026-05-25 SAS1488 OSL → ARN May 25, 19:35 UTCMay 25, 20:09 UTC35m
2026-05-25 SAS493 ARN → OSL May 25, 18:00 UTCMay 25, 18:45 UTC45m
2026-05-25 SAS488 OSL → ARN May 25, 16:35 UTCMay 25, 17:10 UTC35m
2026-05-25 SAS491 ARN → OSL May 25, 15:00 UTCMay 25, 15:45 UTC45m
2026-05-25 SAS68L KRN → ARN May 25, 12:55 UTCMay 25, 14:05 UTC1h 10m
2026-05-25 SAS50F ARN → KRN May 25, 10:40 UTCMay 25, 11:50 UTC1h 10m
2026-05-25 SAS106 MMX → ARN May 25, 08:05 UTCMay 25, 09:00 UTC55m
2026-05-25 SAS105 ARN → MMX May 25, 06:20 UTCMay 25, 07:15 UTC55m
2026-05-25 SAS59D AGH → ARN May 25, 04:25 UTCMay 25, 05:15 UTC50m
2026-05-24 SAS187 ARN → AGH May 24, 20:20 UTCMay 24, 21:05 UTC45m
2026-05-24 SAS63A GOT → GOT May 24, 18:45 UTCMay 24, 19:30 UTC45m
2026-05-24 SAS22A ARN → GOT May 24, 17:05 UTCMay 24, 17:50 UTC45m
2026-05-24 SAS035 UME → ARN May 24, 15:10 UTCMay 24, 15:50 UTC40m
2026-05-24 SAS034 ARN → UME May 24, 13:25 UTCMay 24, 14:00 UTC35m
2026-05-24 SAS94Y ATH → ARN May 24, 08:50 UTCMay 24, 12:20 UTC3h 30m
2026-05-24 SAS38H ARN → ATH May 24, 04:15 UTCMay 24, 07:30 UTC3h 15m
2026-05-23 SAS51D DUB → ARN May 23, 19:05 UTCMay 23, 21:05 UTC2h 0m
2026-05-23 SAS31B ARN → DUB May 23, 15:35 UTCMay 23, 18:10 UTC2h 35m
2026-05-23 SAS1424 CPH → ARN May 23, 13:30 UTCMay 23, 14:25 UTC55m
2026-05-23 SAS53C ARN → CPH May 23, 11:30 UTCMay 23, 12:25 UTC55m
2026-05-23 SAS81C SFT → ARN May 23, 08:40 UTCMay 23, 09:35 UTC55m
2026-05-23 SAS69N ARN → SFT May 23, 06:55 UTCMay 23, 07:50 UTC55m
2026-05-23 SAS45A CPH → CDG May 23, 05:10 UTCMay 23, 05:50 UTC40m
2026-05-22 SAS026 ARN → UME May 22, 21:05 UTCMay 22, 21:40 UTC35m
2026-05-22 SAS1556 AMS → ARN May 22, 17:20 UTCMay 22, 19:00 UTC1h 40m
2026-05-22 SAS1555 ARN → AMS May 22, 14:20 UTCMay 22, 16:00 UTC1h 40m
2026-05-22 SAS7646 CHQ → ARN May 22, 09:30 UTCMay 22, 13:15 UTC3h 45m
2026-05-22 SAS7645 ARN → CHQ May 22, 04:20 UTCMay 22, 07:50 UTC3h 30m

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

Mode-S 4CAC8E frequently asked

What is Mode-S code 4CAC8E?
4CAC8E is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-SIP.
Where is Mode-S 4CAC8E registered?
Mode-S code 4CAC8E is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAC8E broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAC8E, octal 23126216, decimal 5,024,910.
What flights does 4CAC8E operate?
Mode-S 4CAC8E has broadcast 20 distinct callsigns, including SAS73C, SAS560, SAS68R, SAS55H, SAS026.