sUAS Loading and Performance Flashcards
7 cards from real RPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 sUAS Loading and Performance flashcards as text
A remote pilot adds a 0.5 lb camera payload to a sUAS originally configured for 0.3 lb. What is the most likely effect on flight performance?
Answer: Reduced flight endurance and slower climb rate
Adding payload increases total weight, which demands more power from motors, reducing battery endurance and climb performance.
Which condition would most significantly degrade sUAS hovering efficiency?
Answer: Operating at high density altitude with maximum payload
High density altitude means thinner air, requiring rotors to spin faster to generate the same lift, increasing power consumption and reducing hover efficiency.
An sUAS manufacturer specifies a maximum gross weight of 3.5 lbs. The airframe weighs 2.8 lbs with a fully charged battery. What is the maximum allowable payload?
Answer: 0.7 lbs
Maximum allowable payload = maximum gross weight minus airframe weight: 3.5 - 2.8 = 0.7 lbs.
How does an off-center payload mounted to the front of a multirotor affect its flight characteristics?
Answer: The aircraft will tend to pitch nose-down and require corrective trim
A forward-shifted center of gravity causes a nose-down pitch tendency, which the flight controller must constantly counteract, wasting power and reducing control authority.
In hot and humid summer conditions, a remote pilot should expect which performance change compared to standard conditions?
Answer: Reduced lift because high temperature and humidity lower effective air density
High temperature and humidity reduce air density (increasing density altitude), which decreases rotor efficiency and requires more power to maintain lift.
A remote pilot notices the sUAS is consuming battery power faster than normal during a standard hover. What is the most likely cause?
Answer: The payload weight exceeds the planned configuration
Excess payload weight forces motors to work harder during hover, drawing more current and depleting the battery faster than anticipated.
Which factor does NOT directly affect sUAS performance calculations for loading?
Answer: The color of the aircraft fuselage
Fuselage color has no measurable effect on loading or performance calculations; temperature, total weight, and density altitude all directly influence available power and lift.