1. The operator of an aircraft that has been involved in an incident is required to submit a report to the nearest field office of the NTSB: a. within 10 days. b. within 7 days. c. only if requested to do so. 2 Low-level wind shear may occur when: a. surface winds are above 15 knots and there is no change in wind direction and windspeed with height. b. surface winds are light and variable. c. there is a low-level temperature inversion with strong winds above the inversion. 3. When must an operational check on the aircraft VOR equipment be accomplished to operate under IFR? a. Within the preceding 10 days or 10 hours of flight time. b. Within the preceding 30 days. c. Within the preceding 30 days or 30 hours of flight time. 4. The section of the Aviation Area Forecast (FA) entitled VFR Clouds and Weather contains a summary of: a. only those weather systems producing liquid or frozen precipitation, fog, thunderstorms, or IFR ceilings. b. sky condition, cloud heights, visibility, obstructions to vision, precipitation, and sustained surface winds of 20 knots or greater. c. forecast sky cover, cloud tops, visibility, and obstructions to vision along specific routes. 5 The Surface Analysis Chart depicts: a. frontal locations and expected movement, pressure centers, cloud coverage, and obstructions to vision at the time of chart transmission. b. actual pressure distribution, frontal systems, cloud heights and coverage, temperature, dewpoint, and wind at the time shown on the chart. c. actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the valid time of the chart