medium
Density altitude is
easy
(Refer to the provided figure.) A remote pilot plans a small UAS operation in an area shown on the 24 HR forecast with the symbol for ceiling less than 1,000 feet and/or visibility less than 3 miles. This condition will primarily affect UAS performance by
hard
Referring to Figure 15, the PROB40 1220/1222 1SM TSRA OVC008CB in the KMEM TAF represents conditions most likely to produce which primary effect on small unmanned aircraft performance?
hard
Refer to Figure 15, which depicts Terminal Aerodrome Forecasts (TAFs) for KMEM and KOKC. According to the TAF for KMEM, a temporary period of fog (FG) with visibility of 1/2 SM is forecast. The primary effect of this fog on small unmanned aircraft systems (sUAS) performance is
medium
Referring to a standard density altitude chart, the approximate density altitude at a pressure altitude of 2,000 feet and an outside air temperature (OAT) of 25°C is
hard
Refer to Figure 12. A remote PIC plans to conduct a small UAS operation requiring maximum climb performance at one of the reporting stations. At which station are the reported weather conditions most likely to cause the greatest degradation in small UAS climb performance?
medium
(Refer to Figure 12.) High density altitude reduces small unmanned aircraft performance by decreasing air density. Based on the temperature, dew point depression (humidity), and altimeter setting (pressure) in the METAR reports, which location indicates the highest density altitude?
medium
A small UAS flight is to be conducted from a site at 2,000 feet MSL where the altimeter setting is 29.92 inches of mercury and the air temperature is 30°C. The approximate density altitude is
medium
When operating a small unmanned aircraft at an airport with a field elevation of 2,000 feet MSL, an altimeter setting of 30.00 inches Hg, and an outside air temperature of 25°C, the approximate density altitude is closest to
medium
A remote pilot plans a small unmanned aircraft system (sUAS) operation near KMEM within the valid period of the TAF shown in Figure 15. The sUAS performance is most likely to be adversely affected by high density altitude during which KMEM forecast period?
hard
A continental polar (cP) air mass is classified as
hard
High density altitude conditions MOST affect small unmanned aircraft performance by
medium
(Refer to Figure 12.) At which of the following airports are the reported weather conditions most likely to produce a high density altitude that would reduce the performance of a small unmanned aircraft system?
hard
Refer to the provided figure, which depicts Low-Level Significant Weather (SIGWX) Prognostic Charts. The combination of the 'Ceiling less than 1,000 feet and/or visibility less than 3 miles' symbol and an adjacent moderate or greater turbulence symbol near 90W at 40N on the 12 HR SIG WX PROG chart is most indicative of what weather condition that adversely affects small UAS performance?
hard
(Refer to Figure 15.) According to the TAF for KMEM, a temporary condition of 1/2 SM fog is forecast between 1212Z and 1214Z. This fog would most significantly impact the performance of a small unmanned aircraft system (sUAS) by
easy
A Remote PIC observes that the current air temperature is higher than standard and the altimeter setting indicates lower than standard pressure. What is the expected effect on small UAS performance?
medium
A remote pilot in command (PIC) is operating a small unmanned aircraft system (sUAS) in conditions of high atmospheric temperature, low pressure, and a stable atmosphere. These conditions will most likely result in
medium
Refer to the provided figure, a Low-Level Significant Weather Prognostic Chart. A remote PIC is evaluating small UAS performance risks for an operation near 90W, 40N at 18Z Sat Apr 14 2012, where the chart depicts moderate turbulence along with areas of ceilings less than 1,000 feet and/or visibility less than 3 miles. These conditions most likely result from
medium
Refer to Figure 12. The METAR report for which location indicates the highest temperature, resulting in the highest density altitude and most significant degradation to small unmanned aircraft performance?
medium
Referring to the Low-Level Significant Weather (SIGWX) Prognostic Chart in the figure, the notation '120' adjacent to certain wind arrows on the 12 HR forecast panel represents