What is the ICAO 24-bit address of EI-GPP?

4CAA55. The Mode S address is assigned to the airframe by its country of registration and stays the same from flight to flight.

When did the Skydex network last hear EI-GPP?

On 2026-11-10. Our receivers have heard it on 56 days since 2026-09-06.

ATR 72-600 EI-GPP broadcasts on ICAO24 4CAA55. It was built by ATR. One pilot has caught this exact tail in Skydex.

10 Skydex receivers (Anglesey, station-1020, Derbyshire) have heard EI-GPP, 56 sightings since 6 Sep 2026; last on 10 Nov 2026.

Anglesey, GB — 🇬🇧 United Kingdom · Anglesey · run by @karl-owen — 1 airframe, 54 sightings, last 2026-11-10
station-1020 · run by @joseph-furber — 1 airframe, 46 sightings, last 2026-11-10
Lee Hall — 🇬🇧 United Kingdom · Derbyshire · run by @leehall — 1 airframe, 46 sightings, last 2026-11-10
Swadlincote — 🇬🇧 United Kingdom · Derbyshire · run by @swadlincote — 1 airframe, 26 sightings, last 2026-11-10
Rush_DML — near Dublin · run by @rush-dml — 1 airframe, 17 sightings, last 2026-11-10
Andrew · run by @andrew-peacock — 1 airframe, 14 sightings, last 2026-11-04
station-1089 · run by @wobert — 1 airframe, 12 sightings, last 2026-11-10
station-1088 — 🇬🇧 United Kingdom · Nottinghamshire · run by @wobert — 1 airframe, 12 sightings, last 2026-11-10
station-1117 · run by @david-plant — 1 airframe, 11 sightings, last 2026-11-10
delapoleavenue — 🇬🇧 United Kingdom · Kingston upon Hull · run by @mark-healey — 1 airframe, 7 sightings, last 2026-11-10