11.5D Navigation Systems Flashcards
(34 cards)
What does ADF stand for in aviation navigation?
A) Automatic Direction Finding
B) Automatic Distance Finder
C) Airborne Direction Facility
A) Automatic Direction Finding
What frequency range does the Automatic Direction Finder (ADF) operate in?
A) 190 kHz – 1750 kHz
B) 2 MHz – 30 MHz
C) 100 kHz – 500 kHz
A) 190 kHz – 1750 kHz
What is relative bearing?
A) The bearing angle between the aircraft’s nose and the ground station, measured clockwise from the aircraft heading
B) The bearing between true north and the ground station
C) The distance between the aircraft and the ground station
A) The bearing angle between the aircraft’s nose and the ground station, measured clockwise from the aircraft heading
What two types of antennas does an ADF system require?
A) Omni-directional Sense Antenna and Directional Loop Antenna
B) Parabolic and Yagi Antenna
C) Dipole and Patch Antenna
A) Omni-directional Sense Antenna and Directional Loop Antenna
What does VOR stand for in aviation navigation?
A) Very High Frequency Omnidirectional Range
B) Variable Orientation Radar
C) Visual Observation Radio
A) Very High Frequency Omnidirectional Range
If the bearing angle is taken from magnetic north, what is it called?
A) Magnetic bearing
B) True bearing
C) Relative bearing
A) Magnetic bearing
If the bearing angle is taken from true north, what is it called?
A) True bearing
B) Magnetic bearing
C) Relative bearing
A) True bearing
If the bearing is measured relative to the aircraft’s heading, what is it called?
A) Relative bearing
B) Magnetic bearing
C) True bearing
A) Relative bearing
What is relative bearing?
A) The angle between the bearing of a station and the heading of an aircraft
B) The angle between true north and magnetic north
C) The distance between the aircraft and the station
A) The angle between the bearing of a station and the heading of an aircraft
In which direction is the bearing of a station always calculated?
A) Counterclockwise
B) Clockwise
C) Both directions
B) Clockwise
What type of navigation system is TACAN?
A) A military navigation system similar to VOR but with range information capability
B) A civilian navigation system offering global coverage
C) A maritime navigation system for ship tracking
A) A military navigation system similar to VOR but with range information capability
What additional capability does the military navigation system TACAN offer compared to the VOR system?
A) Altitude information
B) Range information from the transmitter
C) Weather data
B) Range information from the transmitter
What are the two signals used in a VOR system?
A) Reference signal and variable signal
B) Carrier signal and beacon signal
C) Primary signal and secondary signal
A) Reference signal and variable signal
Why was the Doppler VOR (DVOR) developed?
A) To address site errors in the conventional VOR (CVOR)
B) To replace TACAN in military operations
C) To provide worldwide coverage
A) To address site errors in the conventional VOR (CVOR)
Which type of VOR indicator is commonly used in aircraft?
A) Course Deviation Indicator (CDI)
B) Magnetic Variation Indicator (MVI)
C) Bearing Alignment Indicator (BAI)
A) Course Deviation Indicator (CDI)
What does DME stand for in aviation?
A) Distance Measuring Equipment
B) Directional Magnetic Equipment
C) Digital Mapping Equipment
A) Distance Measuring Equipment
Where is the localiser transmitter aerial typically located?
A) Approximately 300 m (1000 ft) beyond the far end of the runway
B) At the midpoint of the runway
C) At the approach end of the runway
A) Approximately 300 m (1000 ft) beyond the far end of the runway
What are the frequencies used in the localiser signal to indicate deviations from the runway centerline?
A) 150 Hz to the right and 90 Hz to the left of the runway centerline
B) 90 Hz to the right and 150 Hz to the left of the runway centerline
C) 100 Hz to the right and 80 Hz to the left of the runway centerline
A) 150 Hz to the right and 90 Hz to the left of the runway centerline
In a localiser signal, which frequency predominates when the aircraft is to the left of the runway centerline, and which predominates when it is to the right?
A) 90 Hz predominates on the left, 150 Hz on the right
B) 150 Hz predominates on the left, 90 Hz on the right
C) Both 90 Hz and 150 Hz are equal on both sides
A) 90 Hz predominates on the left, 150 Hz on the right
On the glide path, how do the 90 Hz and 150 Hz signals compare?
A) 90 Hz predominates above, 150 Hz predominates below, and they are equal on the glide path
B) 150 Hz predominates above, 90 Hz predominates below, and they are equal on the glide path
C) Both 90 Hz and 150 Hz signals are always equal regardless of position
A) 90 Hz predominates above, 150 Hz predominates below, and they are equal on the glide path
Where is the marker beacon receiver most commonly located?
A) In the autopilot system
B) Within the VOR receiver as a circuit card
C) Inside the transponder
B) Within the VOR receiver as a circuit card
What does an aircraft’s primary radar system do?
A) Detects and tracks other objects in the airspace
B) Provides navigation instructions to the pilot
C) Measures the aircraft’s speed relative to the ground
A) Detects and tracks other objects in the airspace
Which of the following are examples of primary radar systems?
A) Weather Radar, Radio Altimeter, ATC Primary Surveillance Radar
B) VOR, DME, TACAN
C) GPS, INS, EFIS
A) Weather Radar, Radio Altimeter, ATC Primary Surveillance Radar
What does TCAS stand for?
A) Traffic Collision Avoidance System
B) Terrain Control and Alert System
C) Tactical Communication Alert System
A) Traffic Collision Avoidance System
