2.1.1 TYPE OF OPERATIONS
The helicopter is approved to operate :
- by day in VFR.
- by night in VFR, when the additional equipment required by
operational regulations are installed and serviceable.
The following are forbidden :
- Aerobatic maneuvers.
- Leave the aircraft with no pilot at the controls while rotor is
spinning.
- Flight in freezing rain or icing conditions.
- (visible moisture and temperatures conducive to producing ice).
- In flight engine power reduction using twist grip control except for
engine failure training, emergency procedures referring to it, or for a technical flight
No contest? It varies across AS 350 models and date of certification.