UAS Navigation 2

Question 1

When using a sectional chart, what does a magenta dashed line indicate?

Accepted Answer

Class E airspace starting at 700 ft AGL

Answer

A magenta dashed line on sectional charts denotes the boundary where Class E airspace begins at 700 feet AGL.

Question 2

What is the primary purpose of a VFR waypoint depicted on a sectional chart?

Accepted Answer

To provide a named reference point for visual navigation

Answer

VFR waypoints are named reference points that help pilots navigate visually without requiring instrument references.

Question 3

A sUAS pilot is operating near a congested area and needs to determine the MSL elevation of terrain. Which chart feature provides this information?

Accepted Answer

Contour lines and spot elevations

Answer

Contour lines and spot elevations on sectional charts indicate terrain elevation above mean sea level.

Question 4

What does the term 'dead reckoning' refer to in UAS navigation?

Accepted Answer

Estimating current position based on a known past position, speed, heading, and elapsed time

Answer

Dead reckoning calculates a present position from a known starting point using speed, heading, and time without external reference.

Question 5

On a sectional chart, what symbol indicates an obstruction between 1,000 and 1,999 feet AGL?

Accepted Answer

A bold obstruction symbol with elevation figures

Answer

Obstructions between 1,000–1,999 feet AGL are depicted with a bold obstruction symbol accompanied by MSL and AGL elevation figures.

(UAS) Unmanned Aircraft Systems Certified Practice Test