What type of aircraft is EI-EFI?

EI-EFI is a Boeing 737-800 (B738).

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

4CA764. The Mode S address is assigned to the airframe by its country of registration and stays the same from flight to flight.

On 2026-11-08. Our receivers have heard it on 62 days since 2026-09-05.

Boeing 737-800 EI-EFI broadcasts on ICAO24 4CA764. It was built by Boeing. 2 pilots have caught this exact tail in Skydex.

Heard by 7 Skydex receivers (Andrew, Derbyshire, Baden-Württemberg): 62 sightings since 5 Sep 2026, last on 8 Nov 2026.

Andrew · run by @andrew-peacock — 1 airframe, 30 sightings, last 2026-11-08
Lee Hall — 🇬🇧 United Kingdom · Derbyshire · run by @leehall — 1 airframe, 30 sightings, last 2026-11-08
Fips — 🇩🇪 Germany · Baden-Württemberg · run by @fips — 1 airframe, 22 sightings, last 2026-10-31
Fiscaglia — 🇮🇹 Italy · Ferrara · run by @djrexishere — 1 airframe, 19 sightings, last 2026-11-07
fr-wolfheze — 🇳🇱 Netherlands · near Arnhem · run by @youri-tromp — 1 airframe, 18 sightings, last 2026-11-08
1337hium — 🇨🇭 Switzerland · near Solothurn · run by @michael-ruedi — 1 airframe, 17 sightings, last 2026-10-29
Swadlincote — 🇬🇧 United Kingdom · Derbyshire · run by @swadlincote — 1 airframe, 16 sightings, last 2026-11-08