Originally Posted by
Raffles S.A.
Shouldn't ailerons be neutral for a spin recovery? I think he was incapacitated to some extent, confusion, disorientation.
In a spin recovery ailerons should be positioned as specified in the pilots handbook for that particular aircraft.
For reasons that are quite longwinded to explain, the effect of aileron on a spinning aircraft is dependent upon the relationship between the wing inertia and the fuselage inertia of the aircraft at that moment in time (Often referred to as B/A ratio). For some aircraft there is always a benefit in applying a particular aileron (in or out spin). If so it will say so in the pilots handbook.
Many aircraft however operate in a regime where the B/A ratio is close to the point at which the required antispin aileron may be in or out depending upon things like CofG and fuel load. Since its obviously better to apply NO aileron rather than the WRONG aileron the advice is therefore to leave ailerons neutral for those aircraft.