Originally Posted by
Downwind_Left
To be correct though in the same timeframe, the 6 E170s (G-LCYD-LCYI) were replaced one-for-one by 6 E190s (G-LCAC-LCAH) and then after COVID 4 leased 190s returned to lessor. Your post suggests a net loss of 10 aircraft.
I did suggest the drop in ER9s was unplanned. The ER7 to ER9 upguage I do remember.