Below is details of when the LGW based 777’s are to undergo WiFi installation. Each aircraft is planned to take approx 5 days to have WiFi fitted... It is unclear installation will take place at CWL, SNN or LGW.

G-YMMS - WIFI installation planned to be completed first week of October 2018
G-YMMR - WIFI installation planned to be completed mid October 2018
G-YMMC - WIFI installation planned to be completed mid October 2018
G-VIIV - WIFI installation planned to be completed end of October 2018
G-VIIW - WIFI installation planned to be completed first week of November 2018
G-VIIX - WIFI installation planned to be completed mid November 2018
G-VIIT - WIFI installation planned to be completed mid November 2018
G-VIIU - WIFI installation planned to be completed end of November 2018
G-VIIO - WIFI installation planned to be completed mid March 2019
G-VIIP - WIFI installation planned to be completed late March 2019
G-VIIR - WIFI installation planned to be completed early April 2019

Currently only G-VIIY and G-YMMD are the only two LGW based 777’s fitted with WIFI