Understanding Latitude and Longitude

What is the point of reference for measuring latitude and longitude?

The centre of the Earth

What is the direction designated for an angular position above the equator?

North

How is the degree further divided for more accurate pinpointing?

Into minutes and seconds

What is the longitude of a point located 180 degrees to the west of the prime meridian?

180 degrees west Signup and view all the answers

What are the latitude and longitude of the point where the prime meridian and the equator cross each other?

0 degrees latitude and 0 degrees longitude Signup and view all the answers

What is the latitude of Brisbane?

27 degrees, 28 minutes, 14 seconds south Signup and view all the answers

What is the primary method used in air navigation by observing landmarks?

Comparing sightings with symbols on aeronautical charts Signup and view all the answers

What is the main disadvantage of the pilotage method of navigation?

Poor visibility can prevent the pilot from seeing landmarks Signup and view all the answers

What is the basis of navigation that was developed after the invention of the compass?

Dead reckoning Signup and view all the answers

What is the problem associated with dead reckoning if wind velocity and direction are unknown or incorrectly recorded?

The aircraft will be off course Signup and view all the answers

What is the term for the method of navigation that determines an aircraft's position by recording times, distances, directions, and speeds?

Dead reckoning Signup and view all the answers

Why is dead reckoning not a very accurate method of navigation?

It does not take into account wind velocity and direction Signup and view all the answers

What is the primary issue with dead reckoning navigation?

Errors build upon errors over time Signup and view all the answers

What is the purpose of obtaining fixes from known references in dead reckoning navigation?

To update the aircraft's position and reduce errors Signup and view all the answers

What is the key difference between an Inertial Navigation System (INS) and a dependent navigation system?

INS requires no external facilities to operate Signup and view all the answers

What is the device used to measure acceleration in an Inertial Navigation System?

Accelerometer Signup and view all the answers

What is the underlying principle of Newton's First Law of Motion as it relates to an Inertial Navigation System?

A body in motion tends to remain in motion in a straight line unless acted upon by an external force Signup and view all the answers

What is the primary function of an Inertial Navigation System (INS)?

To calculate the aircraft's flight position based on its initial position and movements Signup and view all the answers

What is the position of an aircraft relative to the runway when on a glide path at the MM?

Approximately 200 feet above the runway Signup and view all the answers

What is the purpose of the marker beacons in an ILS installation?

To indicate position along the glide path Signup and view all the answers

What is the IM in the context of a category II approach?

The decision height point Signup and view all the answers

What component of the ILS airborne equipment displays localiser and glideslope deviation?

Indicator Signup and view all the answers

What is the typical configuration of the localiser and glideslope receivers in the airborne equipment?

One radio unit containing both receivers Signup and view all the answers

What is the primary function of the glideslope transmitter in an ILS installation?

To provide vertical guidance to the runway threshold Signup and view all the answers

What is the primary function of the Enhanced Ground Proximity Warning System (EGPWS)?

To monitor the aircraft's position relative to surrounding terrain Signup and view all the answers

How does the Ground Proximity Warning System generate warnings?

By calculating the likelihood of danger based on aircraft system inputs Signup and view all the answers

What is the purpose of Area Navigation?

To provide accurate positional awareness Signup and view all the answers

How does an aircraft navigate using VOR/DME navigation?

By flying outbound on a VOR radial until it intersects the next VOR station Signup and view all the answers

What is displayed on the monitor in the cockpit of an aircraft equipped with an EGPWS?

Geographical data Signup and view all the answers

What is the advantage of the Enhanced Ground Proximity Warning System (EGPWS) over the traditional Ground Proximity Warning System?

It provides much greater warning times of impending ground contact Signup and view all the answers