A109 Flashcards
What is the name for the angular difference between True north and magnetic north?
Magnetic variation
What do isogonic lines do?
The show the pattern of magnetic declination
How do you convert from true course to magnetic course?
Subtract the easterly variation or add westerly variation.
East is least, west is best
What is it called when the magnetic compass is affected by influences within the aircraft such as the radios and engines?
Compass deviation
What magnetic course directions would have you be flying at a VFR cruising altitude that is an odd number +500 feet?
North through east “neod”
0-179’
What do you call computations of direction and distance from a known position?
Dead reckoning
What is pilotage?
Navigation by reference to visible landscapes
What type of navigation is the basic form used when operating under VFR?
Pilotage
What does the boundary of a National Park Service area look like?
Name the five different techniques used to show elevation and configuration of the Earth surface.
- Contour lines
- Shaded relief
- Color tints
- Obstruction symbols
- Maximum elevation figures (MEF)
What direction does shaded relief have the Sun shining from?
The northwest
For colour tints, which colour is higher? Lighter or darker?
Darker; except for white used for glaciers
What is this called?
Maximum elevation figure
What is this?
VOR-DME
On an aeronautical chart, what does CT stand for?
Control Tower
What is this depicting?
An isogonic line
What is this depicting?
Glider operations
What is this depicting?
VFR waypoints
