Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4CAD7D

ICAO 24-bit transponder address · allocated to Ireland

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

Hex
4CAD7D
Octal
23126575
Decimal
5,025,149
Country
IE
Tail
EI-NSD
Type
A20N
Broadcasting now · callsign EIN38W · 30,000 ft
Flights observed
636
Distinct callsigns
20
Country
IE
Last broadcast
Jul 26, 18:25 UTC

Current position

4CAD7D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4CAD7D 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
EIN5WG Aer Lingus 25 2026-07-25
EIN5HJ Aer Lingus 25 2026-07-25
EIN16T - 19 2026-07-24
EIN38W Aer Lingus 18 2026-07-16
EIN1HW - 18 2026-07-16
EIN183 - 18 2026-07-17
EIN182 - 18 2026-07-17
EIN16Y Aer Lingus 18 2026-07-24
EIN50K - 17 2026-07-10
EIN503 - 17 2026-07-10
EIN38Y - 17 2026-07-16
EIN388 - 17 2026-07-16
EIN169 - 17 2026-07-17
EIN168 - 17 2026-07-17
EIN151 - 17 2026-07-17
EIN3YR - 16 2026-07-16
EIN15C - 16 2026-07-17
EIN159 - 16 2026-07-17
EIN1LK - 14 2026-07-07
EIN15E - 14 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EIN173 LHR → DUB Jul 26, 17:35 UTCJul 26, 18:25 UTC50m
2026-07-26 EIN172 DUB → LHR Jul 26, 15:15 UTCJul 26, 16:10 UTC55m
2026-07-26 EIN16C LHR → DUB Jul 26, 12:35 UTCJul 26, 13:30 UTC55m
2026-07-26 EIN1XT DUB → LHR Jul 26, 10:30 UTCJul 26, 11:20 UTC50m
2026-07-26 EIN15M LHR → DUB Jul 26, 08:10 UTCJul 26, 09:20 UTC1h 10m
2026-07-26 EIN1CM DUB → LHR Jul 26, 05:40 UTCJul 26, 06:45 UTC1h 6m
2026-07-25 EIN7VT ACE → DUB Jul 25, 19:25 UTCJul 25, 23:05 UTC3h 40m
2026-07-25 EIN77C DUB → ACE Jul 25, 14:10 UTCJul 25, 17:30 UTC3h 20m
2026-07-25 EIN5WG BCN → DUB Jul 25, 10:00 UTCJul 25, 12:10 UTC2h 10m
2026-07-25 EIN5HJ DUB → BCN Jul 25, 06:10 UTCJul 25, 08:20 UTC2h 10m
2026-07-25 EIN5HJ DUB → BCN Jul 25, 05:55 UTCJul 25, 06:00 UTC5m
2026-07-24 EIN179 - Jul 24, 19:20 UTCJul 24, 20:00 UTC40m
2026-07-24 EIN17J DUB → LHR Jul 24, 17:00 UTCJul 24, 17:50 UTC50m
2026-07-24 EIN16T - Jul 24, 15:20 UTCJul 24, 16:05 UTC45m
2026-07-24 EIN16Y DUB → LHR Jul 24, 13:00 UTCJul 24, 13:50 UTC50m
2026-07-24 EIN5WG BCN → DUB Jul 24, 09:35 UTCJul 24, 11:40 UTC2h 5m
2026-07-24 EIN5HJ DUB → BCN Jul 24, 06:00 UTCJul 24, 08:10 UTC2h 10m
2026-07-23 EIN1YG LHR → DUB Jul 23, 18:45 UTCJul 23, 19:30 UTC45m
2026-07-23 EIN1HL DUB → LHR Jul 23, 16:45 UTCJul 23, 17:35 UTC50m
2026-07-23 EIN161 LHR → DUB Jul 23, 14:30 UTCJul 23, 15:20 UTC50m
2026-07-23 EIN9AL NOC → LHR Jul 23, 12:15 UTCJul 23, 13:20 UTC1h 5m
2026-07-23 EIN91W - Jul 23, 10:30 UTCJul 23, 11:25 UTC55m
2026-07-23 EIN156 - Jul 23, 08:00 UTCJul 23, 09:00 UTC1h 0m
2026-07-22 EIN1YG LHR → DUB Jul 22, 19:00 UTCJul 22, 19:45 UTC45m
2026-07-22 EIN1HL DUB → LHR Jul 22, 16:50 UTCJul 22, 17:45 UTC55m
2026-07-22 EIN161 LHR → DUB Jul 22, 14:40 UTCJul 22, 15:35 UTC55m
2026-07-22 EIN9AL NOC → LHR Jul 22, 12:10 UTCJul 22, 13:30 UTC1h 20m
2026-07-22 EIN91W - Jul 22, 11:10 UTCJul 22, 11:25 UTC15m
2026-07-21 EIN4RL LIS → DUB Jul 21, 21:40 UTCJul 21, 23:55 UTC2h 15m
2026-07-21 EIN4PT DUB → LIS Jul 21, 17:50 UTCJul 21, 20:10 UTC2h 20m
2026-07-21 EIN16T - Jul 21, 15:30 UTCJul 21, 16:15 UTC45m
2026-07-21 EIN16Y DUB → LHR Jul 21, 13:05 UTCJul 21, 14:00 UTC55m
2026-07-21 EIN5WG BCN → DUB Jul 21, 09:30 UTCJul 21, 11:45 UTC2h 15m
2026-07-21 EIN5HJ DUB → BCN Jul 21, 06:10 UTCJul 21, 08:15 UTC2h 5m
2026-07-20 EIN1YG LHR → DUB Jul 20, 19:15 UTCJul 20, 20:05 UTC50m
2026-07-20 EIN1HL DUB → LHR Jul 20, 17:15 UTCJul 20, 18:20 UTC1h 5m
2026-07-20 EIN161 LHR → DUB Jul 20, 14:50 UTCJul 20, 16:00 UTC1h 10m
2026-07-20 EIN9AL NOC → LHR Jul 20, 12:15 UTCJul 20, 13:20 UTC1h 5m
2026-07-20 EIN91W - Jul 20, 10:15 UTCJul 20, 11:20 UTC1h 5m
2026-07-20 EIN156 - Jul 20, 08:00 UTCJul 20, 09:05 UTC1h 5m
2026-07-19 EIN179 - Jul 19, 20:30 UTCJul 19, 21:25 UTC55m
2026-07-19 EIN17J DUB → LHR Jul 19, 18:10 UTCJul 19, 19:05 UTC55m
2026-07-19 EIN16T LHR → DUB Jul 19, 16:05 UTCJul 19, 16:55 UTC50m
2026-07-19 EIN16Y DUB → LHR Jul 19, 13:20 UTCJul 19, 14:35 UTC1h 15m
2026-07-19 EIN5WG BCN → DUB Jul 19, 09:20 UTCJul 19, 11:30 UTC2h 10m
2026-07-19 EIN5HJ DUB → BCN Jul 19, 05:50 UTCJul 19, 07:55 UTC2h 5m
2026-07-18 EIN179 - Jul 18, 19:20 UTCJul 18, 20:10 UTC50m
2026-07-18 EIN17J DUB → LHR Jul 18, 17:20 UTCJul 18, 18:10 UTC50m
2026-07-18 EIN16T - Jul 18, 15:25 UTCJul 18, 16:20 UTC55m
2026-07-18 EIN16Y DUB → LHR Jul 18, 13:15 UTCJul 18, 14:05 UTC50m

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

Mode-S 4CAD7D frequently asked

What is Mode-S code 4CAD7D?
4CAD7D is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-NSD.
Where is Mode-S 4CAD7D registered?
Mode-S code 4CAD7D is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAD7D broadcasting right now?
Yes. Mode-S 4CAD7D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAD7D, octal 23126575, decimal 5,025,149.
What flights does 4CAD7D operate?
Mode-S 4CAD7D has broadcast 20 distinct callsigns, including EIN5WG, EIN5HJ, EIN16T, EIN38W, EIN1HW.