Part 107 Review

Clouds, fog, or dew will always form when

• water vapor condenses.

• water vapor is present.

• relative humidity reaches 100 percent.

(Refer to Figure 26, area 2.) While monitoring the Cooperstown CTAF you hear an aircraft announce that they are midfield left downwind to RWY 13. Where would the aircraft be relative to the runway?

• The aircraft is East.

• The aircraft is South.

• The aircraft is West.

(Refer to Figure 25, area 3.) The floor of Class B airspace at Dallas Executive (RBD) is

• 3,000 feet AGL.

• 3,000 feet MSL.

• at the surface.

(Refer to Figure 12.) The remarks section for KMDW has RAB35 listed. This entry means

• blowing mist has reduced the visibility to 1-1/2 SM.

• the barometer has risen .35 inches Hg.

• rain began at 1835Z.

What are characteristics of a moist, unstable air mass?

• Cumuliform clouds and showery precipitation.

• Poor visibility and smooth air.

• Stratiform clouds and showery precipitation.

What are the characteristics of stable air?

• Good visibility and steady precipitation.

• Poor visibility and steady precipitation.

• Poor visibility and intermittent precipitation.

In the event of a near midair collision with an airplane, the UAS PIC

• is required to make a written or online report to the FAA.

• is required to make a written report to the NTSB.

• is urged to make a report to ATC.

(Refer to Figure 78.) What class of airspace is associated with SIOUX GATEWAY/COL DAY (SUX) Airport?

• Class B airspace.

• Class C airspace.

• Class D airspace.

(Refer to Figure 12.) The wind direction and velocity at KJFK is from

• 180° true at 4 knots.

• 040° true at 18 knots.

• 20° true at 18 knots.

A nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is a known as a

• prefrontal system.

• squall line.

• downdraft.