A significant part of the loss of wing lift can be attributed to ?
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The person who ensures that the drone is serviceable for flight is ?
Frost ice or snow on a wing will ?
The risk of losing visual line of sight of small rpa increased when you are operating in In an urban area, in mountainous terrain, within boundaries of an aerodrome, periods of darkness. 
The main risk associated with frost contamination on your remotely piloted aircraft A lift decrease leading to degrade flight performance, the destruction of onboard electronics, an increase in weight leading to a deterioration in flight performance, an over stabilization of drone the increase of weight. 
Portable electronic devices at or near control station are Only allowed if pilot can confirm that they will not interfere with command control link before during flight, only allowed if they are five watts or less in transmission power, only allowed if they are ten watts or less in transmission power, permitted given that cell phones can be used on commercial airplanes. 
Figures published on aircraft performance capabilities are always related to Standard atmosphere, metric values figures, imperial values figures, extended performance requirements. Question Section 6: Flight operations 28 Answer 8
Aircraft performance may be seriously affected frost ice or snow on wings and control surfaces primarily because of 1 increase in gross weight2 disruption of smooth airflow3 strong possibility that control hinges will freeze4 adverse movement of c of gthe combination regrouping all correct statements , 2, 3, 4,, 2, 3, 2, 3, 3. Question Section 6: Flight operations 28 Answer 9
Aircraft performance during a steady horizontal turn stall speed Increases with square root of load factor, increases linearly with load factor, increases inversely with load factor, increases with square of load factor. Question Section 6: Flight operations 28 Answer 10
Aircraft performance which of following combinations adversely affects take off and initial climb performance High temperature high relative humidity, low temperature low relative humidity, low temperature high relative humidity, high temperature low relative humidity. Question Section 6: Flight operations 28 Answer 11
For a fixed wing drone airplane type best angle of climb Permits largest gain of altitude in a given distance, permits to travel greatest distance in a given time, is more important high outside temperatures, is maximum altitude that can reach your drone. Question Section 6: Flight operations 28 Answer 12
For a fixed wing drone airplane type best rate of climb Permits to travel greatest distance in a given time, permits largest gain of altitude in a given distance, is more important high outside temperatures, is maximum altitude that can reach your drone. Question Section 6: Flight operations 28 Answer 13
What information from aeronautical service will inform about presence of thunderstorm The aerodrome routine weather reports (metar's), the aerodrome forecasts (taf) messages, the graphical area forecasts (gfa's) charts, the ground based radar information messages. Question Section 6: Flight operations 28 Answer 14
What weather service especially helpful in determining presence of a thunderstorm Aerodrome routine meteorological reports (metar's), graphical area forecasts (gfa's), ground based radar information, aerodrome forecasts (tafs) Question Section 6: Flight operations 28 Answer 15
If there unintended contact between an animal and a small rpa pilot required to Cease operations until such time as corrective actions have been taken risk of reoccurrence has been eliminated, euthanize animal in a humane way, contact spca or a wildlife officer, get help the animal immediately.
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