Chapter 4 Loading and Performance
A small unmanned aircraft loaded with the most rearward center of gravity is A— less stable at all speeds. B— more stable at slow speeds. C— more stable at fast speeds.
A
An increase in load factor will cause an unmanned aircraft to A— stall at a higher airspeed. B— have a tendency to spin. C— be more difficult to control.
A
How can a remote pilot determine the altitude of the terrain and structures where the flight will be conducted? A— Sectional Chart. B— Manufacturers data. C— Road maps.
A
If an sUAS weighs 50 pounds, what approximate weight would the sUAS structure be required to support during a 30° banked turn while maintaining altitude? A— 60 pounds. B— 45 pounds. C— 30 pounds.
A
Maximum endurance is obtained at the point of minimum power to maintain the aircraft A— in steady, level flight. B— in a long range descent. C— at its slowest possible indicated airspeed
A
The most critical conditions of launch performance are the result of some combination of high gross weight, altitude, temperature, and A— unfavorable wind. B— obstacles surrounding the launch site. C— powerplant systems.
A
The term "angle of attack" is defined as the angle A— between the wing chord line and the relative wind. B— between the airplane's climb angle and the horizon. C— formed by the longitudinal axis of the airplane and the chord line of the wing.
A
What could be a consequence of operating a small unmanned aircraft above its maximum allowable weight? A— Shorter endurance. B— Increased maneuverability. C— Faster speed.
A
What effect does an uphill terrain slope have on launch performance? A— Increases launch speed. B— Increases launch distance. C— Decreases launch distance
A
What purpose does a rudder perform on an sUAS airplane? A— The rudder controls yaw. B— The rudder controls bank. C— The rudder controls pitch.
A
When operating an aircraft, the remote PIC is responsible for using A— the most current weight and balance data. B— weight and balance data from the factory. C— recent weight and balance data.
A
When operating an unmanned aircraft, the remote pilot-in-command should consider that the load factor on the wings or rotors may be increased anytime A— the aircraft is subjected to maneuvers other than straight and level flight. B— the CG is shifted rearward to the aft CG limit. C— the gross weight is reduced.
A
You are operating an sUAS that does not have GPS or an installed altimeter. How can you determine the altitude you are operating? A— Gaining a visual perspective of what 400 feet looks like on the ground before the flight. B— Operating a second sUAS that has an altimeter to gain a visual perspective of 400 feet from the air. C— Operating the sUAS in close proximity of a tower known to be 400 feet tall.
A
You are operating an sUAS that does not have GPS or an installed ground speed limiter. How can you determine the speed you are operating? A— Dead reckoning. B— Pilotage. C— Wind triangle.
A
In a 45° banking turn, a small unmanned aircraft will A— be more susceptible to spinning. B— stall at a higher airspeed. C— stall at a lower airspeed.
B
The amount of excess load that can be imposed on the wing of an airplane depends upon the A— position of the CG. B— speed of the airplane. C— abruptness at which the load is applied.
B
The angle of attack at which an airfoil stalls will A— increase if the CG is moved forward. B— remain the same regardless of gross weight. C— change with an increase in gross weight.
B
To ensure that the unmanned aircraft center of gravity (CG) limits are not exceeded, follow the aircraft loading instructions specified in the A— Aircraft Weight and Balance Handbook. B— Pilot's Operating Handbook or sUAS Flight Manual. C— Aeronautical Information Manual (AIM)
B
When loading cameras or other equipment on an sUAS, mount the items in a manner that A— is visible to the visual observer or other crewmembers. B— does not adversely affect the center of gravity. C— can be easily removed without the use of tools
B
Which basic flight maneuver increases the load factor on an sUAS as compared to straight-and-level f light? A— Climbs. B— Turns. C— Stalls.
B
A stall occurs when the smooth airflow over the unmanned aircraft's wing/propeller(s) is disrupted, and the lift degenerates rapidly. This is caused when the wing/propeller(s) A— exceeds maximum allowable operating weight. B— exceeds the maximum speed. C— exceeds its critical angle of attack.
C
Before each flight, the remote PIC must ensure that: A— ATC has granted clearance. B— the site supervisor has approved the flight. C— objects carried on the sUAS are secure.
C
If an sUAS weighs 10 pounds, what approximate weight would the sUAS structure be required to support during a 60° banked turn while maintaining altitude? A— 10.15 pounds. B— 30 pounds. C— 20 pounds.
C
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? A— 34 pounds. B— 47 pounds. C— 38 pounds
C
Which of the following is true regarding weight and balance of small unmanned aircraft? A— CG cannot change during flight. B— Lateral CG is not important to small unmanned aircraft operations. C— Operations outside weight and balance limitations may result in loss of control.
C