UAG Navigation and GPS Systems 3

Question 1

What is geofencing in the context of UAS navigation systems?

Accepted Answer

Virtual geographic boundaries programmed to restrict UAS flight to defined areas

Answer

A physical fence used to contain unmanned aircraft on the ground

Answer

A FAA-mandated no-fly zone marked on sectional charts

Answer

A software feature that automatically updates airspace classification data

Question 2

A UAS 'Return-to-Home' (RTH) feature relies primarily on which navigation technology to find its launch point?

Accepted Answer

GPS coordinates recorded at launch

Answer

Magnetic compass heading

Answer

Optical flow sensors

Answer

Barometric altimeter data

Question 3

Before conducting a UAS flight mission, what pre-flight check should a remote pilot perform regarding GPS?

Accepted Answer

Confirm GPS signal acquisition with an adequate number of satellites and check for relevant GPS NOTAMs

Answer

Verify the GPS antenna is oriented pointing downward toward the ground

Answer

Ensure the GPS receiver is set to use magnetic north rather than true north

Answer

Recalibrate the GPS receiver by flying a test circle before each mission

Question 4

What is the primary purpose of GPS waypoints in UAS mission planning?

Accepted Answer

To define predetermined geographic coordinates that guide autonomous flight paths

Answer

To mark restricted airspace boundaries during flight

Answer

To record locations where the UAS experienced technical malfunctions

Answer

To set altitude limits at different points along a route

Question 5

What is compass deviation (as opposed to magnetic variation) in UAS navigation?

Accepted Answer

The error in a compass caused by magnetic fields from the aircraft's own electronics or structure

Answer

The difference between true north and magnetic north at a specific location

Answer

The angular error in GPS heading calculations during slow flight

Answer

The seasonal change in magnetic north pole position

Question 6

In the context of UAS GPS navigation, what does 'autonomous loiter' or 'position hold' mode depend upon?

Accepted Answer

Continuous GPS position data combined with IMU sensor fusion

Answer

A stable barometric pressure reading to maintain altitude only

Answer

Operator manual input on the remote controller at all times

Answer

Visual tracking using the UAS's onboard camera

Question 7

Under FAA Part 107, which statement best describes the remote pilot's responsibility regarding GPS-based automation features?

Accepted Answer

The remote pilot-in-command remains fully responsible for the safety of flight regardless of automation used

Answer

Automation features satisfy the requirement for visual line-of-sight if the GPS track is monitored

Answer

GPS automation may be used to fly beyond visual line-of-sight without a waiver if WAAS-corrected

Answer

Automated GPS flight modes transfer PIC responsibility to the UAS manufacturer