Loading & Performance

According to 14 CFR Part 107, who is responsible for determining the performance of a small unmanned aircraft?

• Remote pilot-in-command.

• Manufacturer

• Owner or operator.

The four forces acting on an aircraft in flight are

• lift, weight, thrust, and drag.

• lift, gravity, power, and friction.

• lift, weight, gravity, and thrust.

What is the relationship of lift, drag, thrust, and weight when the aircraft is in straight-and-level flight?

• Lift and weight equal thrust and drag.

• Lift, drag, and weight equal thrust.

• Lift equals weight and thrust equals drag.

Floating caused by the phenomenon of ground effect will be most realized during an approach to land when at

• twice the length of the wingspan above the surface.

• less than the length of the wingspan above the surface.

• a higher-than-normal angle of attack.

A stall occurs when the smooth airflow over the unmanned airplane’s wing is disrupted and the lift degenerates rapidly. This is caused when the wing

• exceeds the maximum speed.

• exceeds maximum allowable operating weight.

• exceeds its critical angle of attack.

The acute angle A is the angle of

• dihedral

• attack

• incidence

The elevator controls movement around which axis?

• Lateral.

• Longitudinal.

• Vertical.

When operating an unmanned airplane, the remote pilot should consider that the load factor on the wings may be increased any time

• the CG is shifted rearward to the aft CG limit.

• the gross weight is reduced.

• the airplane is subjected to maneuvers other than straight and level flight.

If an unmanned airplane weighs 33 pounds, what approximate weight would the airplane structure be required to support during a 30° banked turn while maintaining altitude?

• 38 pounds.

• 34 pounds.

• 47 pounds.

An aircraft said to be inherently stable will

• be difficult to stall.

• require less effort to control.

• not spin.