On Sunday, November 3, 2019 at 2:58:29 PM UTC-5, Darryl Ramm wrote:
Nobody is saying they are not. Even if you think a motorglider/sustainer
engine will start reliably do you think it's sensible to assume it absolutely
will and not have a landout option/plan B?

This is the most elementary basic safe operation of a motorglider 101 stuff.

No, you are flying a GLIDER.
**Plan A** must always be a safe land-out.
Plan B is in the event everything works as intended,
which certainly does not always happen...