Apparatus

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sensors Mode-S transponder

4CAB80

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-NYE · BOEING 787-9 Dreamliner

Hex
4CAB80
Octal
23125600
Decimal
5,024,640
Country
IE
Tail
EI-NYE
Type
B789
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
125
Distinct callsigns
20
Country
IE
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S 4CAB80.

Country allocation

The ICAO 24-bit address 4CAB80 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
NOS523 - 6 2026-07-11
NOS141 Neos 6 2026-04-21
NOS861 - 5 2026-07-13
NOS630 - 5 2026-07-18
NOS81TX Neos 4 2026-07-19
NOS7572 - 4 2026-07-19
REU969 Air Austral 3 2026-05-14
NOS98AQ - 3 2026-07-10
NOS860 - 3 2026-07-12
NOS791 Neos 3 2026-05-04
NOS761 - 3 2026-07-12
NOS522 - 3 2026-07-10
NOS511 Neos 3 2026-05-01
NOS285 Neos 3 2026-07-14
NOS231 Neos 3 2026-05-06
NOS153 Neos 3 2026-07-06
REU9902 Air Austral 2 2026-05-14
REU9901 Air Austral 2 2026-05-12
REU976 Air Austral 2 2026-04-17
NOS789 Neos 2 2026-06-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NOS7547 SSH → MXP Jul 26, 12:25 UTCJul 26, 21:40 UTC9h 15m
2026-07-22 NOS393 MXP → MXP Jul 22, 20:20 UTCJul 23, 13:35 UTC17h 15m
2026-07-21 TOM976P LGW → MXP Jul 21, 17:20 UTCJul 21, 18:45 UTC1h 25m
2026-07-20 TOM76D LGW → LGW Jul 20, 10:35 UTCJul 20, 22:55 UTC12h 20m
2026-07-19 TOM975P MXP → LGW Jul 19, 19:50 UTCJul 19, 21:15 UTC1h 25m
2026-07-19 NOS81TX MAH → MXP Jul 19, 16:30 UTCJul 19, 17:35 UTC1h 5m
2026-07-19 NOS7572 MXP → MAH Jul 19, 13:40 UTCJul 19, 14:50 UTC1h 10m
2026-07-18 NOS630 - Jul 18, 23:00 UTCJul 19, 11:05 UTC12h 5m
2026-07-18 NOS630 - Jul 18, 12:05 UTCJul 19, 11:05 UTC23h 0m
2026-07-18 NOS630 - Jul 18, 11:45 UTCJul 19, 10:00 UTC22h 15m
2026-07-17 NOS17YY - Jul 17, 13:45 UTCJul 17, 14:39 UTC55m
2026-07-16 NOS457 HOG → LRM Jul 16, 20:15 UTCJul 17, 11:39 UTC15h 25m
2026-07-16 NOS457 HOG → LRM Jul 16, 10:04 UTCJul 17, 10:00 UTC23h 55m
2026-07-16 NOS456 - Jul 16, 08:20 UTCJul 17, 03:34 UTC19h 15m
2026-07-14 NOS285 ZNZ → FCO Jul 14, 20:10 UTCJul 15, 13:10 UTC16h 59m
2026-07-13 NOS861 - Jul 13, 19:20 UTCJul 13, 20:50 UTC1h 30m
2026-07-12 NOS761 - Jul 12, 22:10 UTCJul 13, 17:50 UTC19h 40m
2026-07-12 NOS860 - Jul 12, 18:25 UTCJul 12, 20:01 UTC1h 35m
2026-07-12 NOS614 - Jul 12, 13:50 UTCJul 12, 14:45 UTC55m
2026-07-11 NOS613 - Jul 11, 18:40 UTCJul 12, 12:05 UTC17h 25m
2026-07-11 NOS613 - Jul 11, 15:45 UTCJul 11, 16:25 UTC40m
2026-07-11 NOS523 - Jul 11, 09:35 UTCJul 11, 10:15 UTC40m
2026-07-10 NOS523 - Jul 10, 12:05 UTCJul 11, 07:40 UTC19h 35m
2026-07-10 NOS522 - Jul 10, 11:20 UTCJul 11, 07:40 UTC20h 20m
2026-07-10 NOS98AQ - Jul 10, 08:10 UTCJul 10, 09:05 UTC55m
2026-07-09 NOS353 - Jul 9, 00:10 UTCJul 9, 16:55 UTC16h 45m
2026-07-08 NOS23NQ - Jul 8, 21:00 UTCJul 8, 21:40 UTC40m
2026-07-08 NOS285 ZNZ → FCO Jul 8, 17:50 UTCJul 8, 18:30 UTC40m
2026-07-07 NOS285 ZNZ → FCO Jul 7, 23:10 UTCJul 8, 16:15 UTC17h 5m
2026-07-07 NOS49LN - Jul 7, 20:05 UTCJul 7, 20:40 UTC35m
2026-07-07 NOS83AD - Jul 7, 17:10 UTCJul 7, 17:50 UTC40m
2026-07-06 NOS153 NOS → FCO Jul 6, 20:30 UTCJul 7, 15:30 UTC19h 0m
2026-07-06 NOS55BJ VRN → FCO Jul 6, 17:30 UTCJul 6, 18:15 UTC45m
2026-07-06 NOS847 - Jul 6, 15:15 UTCJul 6, 15:40 UTC25m
2026-07-05 NOS81TX MAH → MXP Jul 5, 21:00 UTCJul 5, 22:15 UTC1h 15m
2026-07-05 NOS7572 MXP → MAH Jul 5, 17:15 UTCJul 5, 18:20 UTC1h 5m
2026-07-04 NOS630 - Jul 4, 22:15 UTCJul 5, 10:25 UTC12h 10m
2026-07-04 NOS630 - Jul 4, 11:05 UTCJul 5, 10:00 UTC22h 55m
2026-06-29 FWI5649 ORY → MXP Jun 29, 11:20 UTCJun 29, 12:20 UTC1h 0m
2026-06-28 FWI649 CUN → ORY Jun 28, 23:25 UTCJun 29, 09:00 UTC9h 35m
2026-06-27 FWI648 ORY → CUN Jun 27, 10:45 UTCJun 27, 20:39 UTC9h 55m
2026-06-26 FWI5648 - Jun 26, 10:39 UTCJun 26, 11:40 UTC1h 0m
2026-06-20 NOS5421 DSS → MXP Jun 20, 03:34 UTCJun 20, 08:34 UTC5h 0m
2026-06-19 NOS5420 MXP → DSS Jun 19, 20:14 UTCJun 20, 01:29 UTC5h 15m
2026-06-19 TOM943P - Jun 19, 15:19 UTCJun 19, 17:14 UTC1h 55m
2026-06-19 TOM1FY SSH → MAN Jun 19, 10:44 UTCJun 19, 12:39 UTC1h 55m
2026-06-19 TOM5GX BHX → PMI Jun 19, 06:14 UTCJun 19, 08:09 UTC1h 55m
2026-06-18 TOM942P - Jun 18, 15:00 UTCJun 18, 16:35 UTC1h 35m
2026-06-14 NOS81TX MAH → MXP Jun 14, 16:00 UTCJun 14, 17:20 UTC1h 20m
2026-06-14 NOS7572 MXP → MAH Jun 14, 12:55 UTCJun 14, 14:05 UTC1h 10m

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

Mode-S 4CAB80 frequently asked

What is Mode-S code 4CAB80?
4CAB80 is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-NYE.
Where is Mode-S 4CAB80 registered?
Mode-S code 4CAB80 is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAB80 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAB80, octal 23125600, decimal 5,024,640.
What flights does 4CAB80 operate?
Mode-S 4CAB80 has broadcast 20 distinct callsigns, including NOS523, NOS141, NOS861, NOS630, NOS81TX.