Night restrictions don't just exist because of risks related to visual references, there is also much higher risk to a forced landing.
Enstrom's don't have the best reliability reputation, and while the brotherhood of pistonage will profess their absolute reliability, night work should be in turbine aircraft with better performance.
The only reason a piston is ever used in this type of role is cost, and cost rarely involves the safest option.
Last edited by Bell_ringer; 30th Sep 2019 at 07:33.
Reason: typo