Understanding Latitude and Longitude
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Questions and Answers

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

  • The prime meridian
  • The equator
  • The poles
  • The centre of the Earth (correct)

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

  • West
  • East
  • North (correct)
  • South

    • How is the degree further divided for more accurate pinpointing?

  • Into hundredths
  • Into tenths
  • Into quarters
  • Into minutes and seconds (correct)

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

    <p>180 degrees west</p> 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?

    <p>0 degrees latitude and 0 degrees longitude</p> Signup and view all the answers

    What is the latitude of Brisbane?

    <p>27 degrees, 28 minutes, 14 seconds south</p> Signup and view all the answers

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

    <p>Comparing sightings with symbols on aeronautical charts</p> Signup and view all the answers

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

    <p>Poor visibility can prevent the pilot from seeing landmarks</p> Signup and view all the answers

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

    <p>Dead reckoning</p> Signup and view all the answers

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

    <p>The aircraft will be off course</p> 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?

    <p>Dead reckoning</p> Signup and view all the answers

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

    <p>It does not take into account wind velocity and direction</p> Signup and view all the answers

    What is the primary issue with dead reckoning navigation?

    <p>Errors build upon errors over time</p> Signup and view all the answers

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

    <p>To update the aircraft's position and reduce errors</p> Signup and view all the answers

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

    <p>INS requires no external facilities to operate</p> Signup and view all the answers

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

    <p>Accelerometer</p> 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?

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

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

    <p>To calculate the aircraft's flight position based on its initial position and movements</p> 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?

    <p>Approximately 200 feet above the runway</p> Signup and view all the answers

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

    <p>To indicate position along the glide path</p> Signup and view all the answers

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

    <p>The decision height point</p> Signup and view all the answers

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

    <p>Indicator</p> Signup and view all the answers

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

    <p>One radio unit containing both receivers</p> Signup and view all the answers

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

    <p>To provide vertical guidance to the runway threshold</p> Signup and view all the answers

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

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

    How does the Ground Proximity Warning System generate warnings?

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

    What is the purpose of Area Navigation?

    <p>To provide accurate positional awareness</p> Signup and view all the answers

    How does an aircraft navigate using VOR/DME navigation?

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

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

    <p>Geographical data</p> 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?

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

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