Questions and Answers
What is the reference point for measuring latitude and longitude?
The intersection of the prime meridian and the equator
What is the designation for an angular position below the equator?
South
How many minutes are in one degree?
60
What is the correct identification for point P in the illustration?
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How many seconds are in one minute?
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What is the location of Brisbane in terms of latitude and longitude?
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What is the primary function of the partially transparent mirror in a laser gyro?
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How many laser gyros are used in an Inertial Reference Unit (IRS)?
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What is the purpose of the mode selector unit in an Inertial Reference Unit (IRS)?
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What is the frequency change of the laser beam caused by the Earth's rotation rate of 15 degrees per hour?
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What is the primary advantage of using an Inertial Reference Unit (IRS) in an aircraft?
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How are the three accelerometers in an Inertial Reference Unit (IRS) aligned with respect to each other?
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What is the primary method used by pilots to navigate in the simplest form of air navigation?
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What is the main disadvantage of pilotage in air navigation?
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What is the term used to describe the method of navigation that determines an aircraft's position by using its speed, time underway, and direction?
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What is a potential problem associated with dead reckoning in air navigation?
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What is the primary purpose of aeronautical charts in air navigation?
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Why did the invention of the compass form the basis of navigation?
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What is the primary function of the self-monitoring circuits in the VOR receiver?
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How many complete VOR systems are commonly found on most commercial aircraft?
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What is the frequency range for selecting navigation frequencies in the VOR system?
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What is the purpose of the control unit in the VOR system?
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What is the instrument that displays bearing information from the VOR and ADF?
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What is the purpose of the pilot switching between ADF and VOR?
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What is the primary function of the transmitter section in the DME transmitter/receiver?
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What is the purpose of the VOR control unit in the DME system?
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What is the unit of measurement displayed on the distance indicator?
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What is the condition for the computed ground speed and TTS to be accurate?
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What is the purpose of the flag or warning displayed on the distance indicator?
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What is an alternative location where the DME distance indication may be displayed?
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