SkyDrill
ACS area III.B

Weather / Effects on Performance

25 practice questions for the Remote Pilot (Part 107) test. Open any question for the answer, an explanation of every choice, background, and the source citation. To answer them in a quiz, use the practice mode and pick this area.

  1. 1.Converting inches of mercury to millibarsUA.III.B.K1c
  2. 2.Meaning of a falling barometric pressure trendUA.III.B.K1c
  3. 3.Definition of a frontUA.III.B.K1d
  4. 4.Characteristics of a stable air massUA.III.B.K1d
  5. 5.Stage of greatest thunderstorm intensityUA.III.B.K1e
  6. 6.Definition of density altitudeUA.III.B.K1a
  7. 7.Conditions that raise density altitudeUA.III.B.K1a
  8. 8.Effect of humidity on air densityUA.III.B.K1a
  9. 9.Pressure and density relationshipUA.III.B.K1a
  10. 10.Turbulence from ground obstructionsUA.III.B.K1b
  11. 11.Leeward side of a mountainUA.III.B.K1b
  12. 12.Conditions associated with low-level wind shearUA.III.B.K1b
  13. 13.Surface-based temperature inversionUA.III.B.K1c
  14. 14.Standard sea level pressure and temperatureUA.III.B.K1c
  15. 15.Converting station pressure to sea level pressureUA.III.B.K1c
  16. 16.Wind sequence in a microburst encounterUA.III.B.K1e
  17. 17.Descent time in a microburst downdraftUA.III.B.K1e
  18. 18.Weather that produces tornadoesUA.III.B.K1f
  19. 19.Conditions required for structural icingUA.III.B.K1g
  20. 20.Frost on a small unmanned aircraft before flightUA.III.B.K1g
  21. 21.Hail size criterion for a Convective SIGMETUA.III.B.K1h
  22. 22.Fog when temperature and dew point are closeUA.III.B.K1i
  23. 23.Definition of a ceilingUA.III.B.K1j
  24. 24.Determining the ceiling from sky coverageUA.III.B.K1j
  25. 25.Decoding a lightning remark in a METARUA.III.B.K1k