I bought the issue yesterday, but haven't been able to read it yet.
But concerning engine loss... It would depend on when it lost one or both engines. There is an interconnect for the engines, so that if one failed, one engine would power both rotors, though with reduced performance (with piston twins, with an engine out, you lose 50% of your power, but 80% of your performance). Now, I'm speculating that with an engine out (depending on density altitude, weights, etc.) that the a/c would be able to descend at a slower rate, not just plummet to the earth. Obviously, things would be a bit more complicated if the rotors were tilted. In the event of a dual failure, in 'airplane mode', the crew could feather the props (this presenting minimal resistance to airflow) and glide (probably at a higher speed, again, depending on load) to an of airport landing (crash landing). Just my two cents.