RPC UAS Loading, Performance & Emergency Procedures 2

Question 1

How does high density altitude affect a multirotor UAS's performance?

Accepted Answer

It reduces rotor thrust output, requiring higher RPM for the same lift

Answer

It increases lift efficiency and extends flight time

Answer

It has no measurable effect on small UAS operations

Answer

It improves battery efficiency due to cooler air temperatures

Question 2

A remote pilot notices the sUAS is consistently drifting to the left during hover. This is MOST likely caused by:

Accepted Answer

An unbalanced payload shifting the center of gravity left

Answer

Excessive battery voltage

Answer

Flying above the maximum altitude limit

Answer

A firmware update that changed control sensitivity

Question 3

Which factor has the GREATEST influence on a fixed-wing UAS's takeoff roll distance?

Accepted Answer

Gross weight and headwind component

Answer

Airframe color and surface finish

Answer

Remote pilot's control input frequency

Answer

Battery brand and cell chemistry

Question 4

During flight, a pilot observes the UAS climbing unexpectedly without control input. The MOST probable cause is:

Accepted Answer

An updraft or thermal lifting the aircraft

Answer

The GPS signal has been lost

Answer

The remote ID module is transmitting

Answer

The battery percentage dropped below 50%

Question 5

When calculating payload capacity, a remote pilot must ensure the total weight including payload does NOT exceed the:

Accepted Answer

Manufacturer's maximum gross takeoff weight

Answer

Weight of the battery pack alone

Answer

Empty weight of the airframe

Answer

Regulatory 55-pound small UAS definition limit only

Question 6

A sUAS experiences a loss of GPS signal mid-flight. In 'Attitude Mode' the aircraft will:

Accepted Answer

Maintain altitude and heading without position hold

Answer

Automatically land at the last known GPS position

Answer

Shut down motors immediately for safety

Answer

Transmit an emergency signal to ATC

Question 7

Which condition would MOST likely cause a lithium-polymer battery to deliver reduced flight time on a warm day?

Accepted Answer

The battery was used for three consecutive flights without cooling time

Answer

The battery was stored at room temperature overnight

Answer

The battery was charged to 100% capacity before flight

Answer

The battery connections were cleaned before installation