The tail surface was designed to be neutral, without downforce in flight.

A small tail surface stabilizes the aircraft in forward flight.

The angle at which the tail surface attacks the air (the.

The tail surfaces were all wood framed and fabric covered.

The tail surfaces were also originally wooden but later replaced with metal.

In 1960 the 310D featured swept back vertical tail surfaces.

The tail surfaces were fabric covered over a wooden structure.

The tail surfaces were built of wood covered with metal and plywood.

The tail surfaces are also built of wood, with fabric covering.

It has a 30% increase in flap area and enlarged tail surfaces.