1. Why does a temperature inversion often cause reduced visibility for a remote pilot operating near the surface?
Why: A temperature inversion creates a stable layer that suppresses vertical air motion. Because the air cannot mix upward, haze, smoke, fog, and airborne pollutants accumulate beneath the inversion and remain trapped, producing poor visibility at the surface. The updraft option is incorrect because inversions suppress, not generate, vertical motion. The wind option is incorrect because inversions are typically associated with calm or light winds, and increased surface wind would actually help disperse pollutants rather than concentrate them.
2. A remote pilot plans to fly approximately 8 statute miles from the airport for which a TAF has been issued. What should the pilot understand about the TAF's geographic coverage?
Why: A U.S. Terminal Aerodrome Forecast describes expected conditions within approximately 5 statute miles of the center of the airport's runway complex. A site 8 statute miles away is outside that area. The TAF is still useful context, but the pilot should not assume conditions at the site will match it. The 10-mile figure belongs to "vicinity" (VC) in observations, and a TAF's coverage is not tied to airspace boundaries.
3. A remote pilot plans a flight from a high-elevation site on a hot, humid afternoon. How will high density altitude affect the small unmanned aircraft?
Why: Heat, humidity and elevation all raise density altitude, meaning the air is less dense. Propellers and wings then produce less thrust and lift, so climb performance and payload capability decrease, and endurance may also decrease. This applies to multirotors as well as fixed-wing aircraft.
Source: FAA Remote Pilot Study Guide (FAA-G-8082-22)
4. A remote pilot reads: KPHX 261756Z 27008KT 240V300 10SM FEW250 16/08 A3012. What does the wind information report?
Why: The primary wind group 27008KT means wind from 270° true at 8 knots. The separate group 240V300 means the observed wind direction is varying between 240° and 300° true. This is a report of current wind variability, not a forecast of a future wind shift. A gust would instead be shown within the main wind group with G, such as 27008G18KT.
5. A METAR includes the wind group 32015G22KT. What does it report?
Why: In a METAR the first three digits are the direction the wind is blowing from, in degrees true; the next two are the sustained speed in knots; G introduces the gust speed. 32015G22KT is from 320 degrees true at 15 knots, gusting 22 knots.
6. A remote pilot obtained a Standard Briefing earlier in the day and now wants to determine what has changed before departure. Which briefing is most appropriate?
Why: An Abbreviated Briefing is specifically intended to update a previous briefing or provide one or more specific items of information. When requesting an update, the pilot should provide the time of the previous briefing so the briefer can focus on appreciable changes in meteorological and aeronautical conditions. An Outlook Briefing is intended for early planning six or more hours before departure.
7. A remote pilot wants an early look at the weather for a flight planned for tomorrow afternoon. Which type of FAA Flight Service briefing is most appropriate?
Why: An Outlook Briefing is intended for early planning when the proposed departure is six or more hours away. Because forecasts can change significantly before departure, the pilot should get updated weather closer to the flight, usually as a Standard Briefing. An Abbreviated Briefing is mainly used to update a previous briefing or obtain specific items.
8. A remote pilot is planning a flight 12 nautical miles from a severe thunderstorm. Which hazard could still affect the small UA at that distance?
Why: The visible cloud is only part of a thunderstorm's hazardous environment. Severe turbulence can extend well outside a severe thunderstorm, and gust fronts or other outflow winds can travel well ahead of the precipitation and visible cloud boundary. A small UA only 12 nautical miles from a severe thunderstorm may therefore encounter major wind shifts, turbulence, or strong outflow despite being outside the visible cloud. FAA guidance calls for substantial separation from severe or intense thunderstorms rather than treating the cloud edge as the hazard boundary.
9. A remote pilot reviews: KJFK 251755Z 36012KT 10SM FEW250 18/09 A2992. What does 251755Z indicate?
Why: The METAR observation-time group uses the format DDHHMMZ: DD is the day of the month, HH the hour, MM the minute, and Z means UTC (Zulu time). Therefore, 251755Z means the 25th day of the month at 17:55 UTC. It is not local time, and a METAR has no validity period: it reports conditions at the time of observation.
10. A METAR reports: FEW020 SCT035 BKN050. What is the reported ceiling?
Why: For aviation purposes, the ceiling is the height of the lowest cloud layer reported as broken (BKN) or overcast (OVC), or the vertical visibility into an obscuration. BKN050 therefore establishes a ceiling of 5,000 feet AGL. FEW020 and SCT035 do not constitute ceilings.