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Prior to each flight, the remote PIC must ensure that any object attached to or carried by the small unmanned aircraft is secure and does not adversely affect the flight characteristics or controllability of the aircraft.

A change in speed during straight flight will not produce any appreciable change in load, but when a change is made in the sUAS flight path an additional load is imposed upon the structure. This is particularly true if a change in direction is made at high speeds with rapid, forceful control movements.Answer (A) is incorrect because the load increases only as the angle of attack is changed, momentarily. Once the climb attitude has been set, the wings only carry the load produced by the weight of the aircraft. Answer (C) is incorrect because in a stall, the wings are not producing lift.

Total range is dependent on both fuel available and specific range. When range and economy of operation are the principle goals, the remote pilot must ensure that the sUAS is operated at the recommended long-range cruise condition. By this procedure, the sUAS will be capable of its maximum design-operating radius, or can achieve lesser flight distances with a maximum of fuel reserve at the destination.

Any mounted equipment should be balanced in a manner that does not adversely affect the CG or result in unsafe performance.

The manufacturer is the best source of performance data and information, if available.