Apparatus

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sensors Mode-S transponder

4CAD7B

ICAO 24-bit transponder address · allocated to Ireland

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

Hex
4CAD7B
Octal
23126573
Decimal
5,025,147
Country
IE
Tail
EI-NSB
Type
A20N
No current signal · last broadcast 2h ago
Flights observed
432
Distinct callsigns
20
Country
IE
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 4CAD7B.

Country allocation

The ICAO 24-bit address 4CAD7B 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
EIN15M - 17 2026-07-08
EIN1XT - 16 2026-07-08
EIN1CM - 16 2026-07-08
EIN172 Aer Lingus 16 2026-07-08
EIN16C Aer Lingus 16 2026-07-08
EIN173 - 14 2026-07-06
EIN42W - 9 2026-06-25
EIN151 - 9 2026-07-02
EIN725 - 8 2026-07-14
EIN4CE - 8 2026-06-25
EIN38W Aer Lingus 8 2026-07-01
EIN15C - 8 2026-07-02
EIN9AL Aer Lingus 7 2026-07-07
EIN91W - 7 2026-07-07
EIN7LP - 7 2026-07-14
EIN723 - 7 2026-07-14
EIN71K - 7 2026-07-14
EIN3YR Aer Lingus 7 2026-06-21
EIN388 - 7 2026-07-01
EIN1YG Aer Lingus 7 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EIN725 - Jul 14, 21:25 UTCJul 14, 22:15 UTC50m
2026-07-14 EIN7LP ORK → LHR Jul 14, 19:30 UTCJul 14, 20:20 UTC50m
2026-07-14 EIN723 - Jul 14, 17:50 UTCJul 14, 18:40 UTC50m
2026-07-14 EIN7EG ORK → LHR Jul 14, 15:20 UTCJul 14, 16:20 UTC1h 0m
2026-07-14 EIN715 LHR → ORK Jul 14, 13:25 UTCJul 14, 14:15 UTC50m
2026-07-14 EIN714 ORK → LHR Jul 14, 10:30 UTCJul 14, 11:40 UTC1h 10m
2026-07-14 EIN7HL - Jul 14, 08:45 UTCJul 14, 09:35 UTC50m
2026-07-14 EIN71K ORK → LHR Jul 14, 06:15 UTCJul 14, 07:25 UTC1h 10m
2026-07-13 EIN725 - Jul 13, 21:25 UTCJul 13, 22:20 UTC55m
2026-07-13 EIN7LP ORK → LHR Jul 13, 19:40 UTCJul 13, 20:35 UTC55m
2026-07-13 EIN723 - Jul 13, 18:05 UTCJul 13, 18:55 UTC50m
2026-07-13 EIN7EG ORK → LHR Jul 13, 15:10 UTCJul 13, 16:10 UTC1h 0m
2026-07-13 EIN715 LHR → ORK Jul 13, 13:20 UTCJul 13, 14:15 UTC55m
2026-07-13 EIN714 ORK → LHR Jul 13, 10:35 UTCJul 13, 11:45 UTC1h 10m
2026-07-13 EIN7HL LHR → ORK Jul 13, 08:40 UTCJul 13, 09:35 UTC55m
2026-07-13 EIN71K ORK → LHR Jul 13, 06:25 UTCJul 13, 07:30 UTC1h 5m
2026-07-12 EIN725 - Jul 12, 21:55 UTCJul 12, 22:45 UTC50m
2026-07-12 EIN7LP ORK → LHR Jul 12, 19:50 UTCJul 12, 20:45 UTC55m
2026-07-12 EIN723 - Jul 12, 18:15 UTCJul 12, 19:05 UTC50m
2026-07-12 EIN7EG ORK → LHR Jul 12, 15:15 UTCJul 12, 16:20 UTC1h 5m
2026-07-12 EIN715 LHR → ORK Jul 12, 13:05 UTCJul 12, 14:01 UTC55m
2026-07-12 EIN714 ORK → LHR Jul 12, 10:30 UTCJul 12, 11:30 UTC1h 0m
2026-07-12 EIN7HL LHR → ORK Jul 12, 08:45 UTCJul 12, 09:40 UTC55m
2026-07-12 EIN71K ORK → LHR Jul 12, 06:25 UTCJul 12, 07:25 UTC1h 0m
2026-07-11 EIN725 - Jul 11, 21:45 UTCJul 11, 22:20 UTC35m
2026-07-11 EIN725 - Jul 11, 21:30 UTCJul 11, 21:40 UTC10m
2026-07-11 EIN7LP ORK → LHR Jul 11, 19:35 UTCJul 11, 20:35 UTC1h 0m
2026-07-11 EIN723 LHR → ORK Jul 11, 17:45 UTCJul 11, 18:45 UTC1h 0m
2026-07-11 EIN7EG ORK → LHR Jul 11, 15:25 UTCJul 11, 16:30 UTC1h 5m
2026-07-11 EIN715 LHR → ORK Jul 11, 13:35 UTCJul 11, 14:30 UTC55m
2026-07-11 EIN714 ORK → LHR Jul 11, 10:35 UTCJul 11, 11:35 UTC1h 0m
2026-07-11 EIN7HL LHR → ORK Jul 11, 08:40 UTCJul 11, 09:30 UTC50m
2026-07-11 EIN71K - Jul 11, 07:35 UTCJul 11, 07:45 UTC10m
2026-07-11 EIN71K ORK → LHR Jul 11, 06:25 UTCJul 11, 07:30 UTC1h 5m
2026-07-10 EIN725 - Jul 10, 21:45 UTCJul 10, 22:40 UTC55m
2026-07-10 EIN7LP ORK → LHR Jul 10, 19:40 UTCJul 10, 20:45 UTC1h 5m
2026-07-10 EIN723 LHR → ORK Jul 10, 17:55 UTCJul 10, 18:50 UTC55m
2026-07-10 EIN7EG ORK → LHR Jul 10, 15:25 UTCJul 10, 16:30 UTC1h 5m
2026-07-10 EIN715 LHR → ORK Jul 10, 13:20 UTCJul 10, 14:15 UTC55m
2026-07-10 EIN714 ORK → LHR Jul 10, 10:55 UTCJul 10, 12:00 UTC1h 5m
2026-07-10 EIN7HL LHR → ORK Jul 10, 09:10 UTCJul 10, 10:05 UTC55m
2026-07-10 EIN71K ORK → LHR Jul 10, 06:35 UTCJul 10, 07:55 UTC1h 20m
2026-07-09 EIN725 - Jul 9, 21:25 UTCJul 9, 22:15 UTC50m
2026-07-09 EIN7LP ORK → LHR Jul 9, 19:30 UTCJul 9, 20:30 UTC1h 0m
2026-07-09 EIN723 LHR → ORK Jul 9, 17:35 UTCJul 9, 18:30 UTC55m
2026-07-09 EIN7EG ORK → LHR Jul 9, 15:05 UTCJul 9, 16:05 UTC1h 0m
2026-07-09 EIN715 LHR → ORK Jul 9, 13:05 UTCJul 9, 14:00 UTC55m
2026-07-09 EIN714 ORK → LHR Jul 9, 10:25 UTCJul 9, 11:35 UTC1h 10m
2026-07-09 EIN7HL LHR → ORK Jul 9, 08:25 UTCJul 9, 09:25 UTC1h 0m
2026-07-09 EIN71K ORK → LHR Jul 9, 06:10 UTCJul 9, 07:10 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-NSB page for operator, model, and routing details .

Mode-S 4CAD7B frequently asked

What is Mode-S code 4CAD7B?
4CAD7B is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-NSB.
Where is Mode-S 4CAD7B registered?
Mode-S code 4CAD7B is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAD7B broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAD7B, octal 23126573, decimal 5,025,147.
What flights does 4CAD7B operate?
Mode-S 4CAD7B has broadcast 20 distinct callsigns, including EIN15M, EIN1XT, EIN1CM, EIN172, EIN16C.