HowTo - Fix
Those of you who have tried these two aircraft might have given up as it has been difficult or impossible to start both engines on these two aircrafts.
There can be no doubt that the developers have screwed the easy start of those aircrafts up and havent fixed.
How-To
[ol]
[li]Make sure that you can see the overlay for engines and the cheat compass in the left lower corner[/li][li]Check that both engines are enabled[/li][li]Disable Engine 2[/li][li]Start engine 1 and wait for all the messages to finish[/li][li]Disable engine 1[/li][li]Enable engine 2[/li][li]Start engine 2[/li][li]Toggle “Common Engine controls” (Don’t just enable engine 1 as Inlet cowls on the A-20 cant be controlled unless Common controls are used)[/li][/ol]