CPAER GEN exam Questions and Answers Verified
What are the pitot-static instruments? - ANSWER airspeed indicator, altimeter, and
vertical speed indicator
What happens if the static port is blocked? - ANSWER VSI and altimeter will not show
climbs or descents ASI will under read in a climb and over read in descent
What does PUDSUC refer to? - ANSWER The ASI Static under read descent Pitot Under
read Climb
How can you fix a static port block? - ANSWER Use ALT static, Crack glass of a pressure
instrument (VSI least important), disconnect static line behind instrument panel
What 2 properties do gyroscopes operate on? - ANSWER Precession and Rigidity in
space
What is precession? - ANSWER when a gyro spins up it will move in a direction 90
degrees to the spin axis
What is rigidity in space? - ANSWER When gimbaled (gyro in a container) the gyro resists
change of motion around axis of rotation
How are gyroscopes powered? - ANSWER Vacuum or Electrical
What instruments does the vacuum powered gryo operate? - ANSWER Attitude and
heading Indicator
,What instruments does the electrical powered gyro operate? - ANSWER Turn
coordinator and/or turn and slip indicator
How many satellites do you need for RAIM capabilities? - ANSWER 5 for RAIM and 6 if
you want FDE as well
Whats the horizontal guidance system on the ILS? - ANSWER Localizer
Whats the vertical guidance system on the ILS? - ANSWER Glideslope
What are the categories of ILS? - ANSWER CAT II, CAT III A, CAT III B, CAT III C
CAT II ILS - ANSWER Decision height 100 ft, RVR less then 300 m
CAT III A ILS - ANSWER Decision height lower then 100 ft, RVR not less than 200m
CAT III B ILS - ANSWER Decision height lower then 50 ft, RVR not less than 50m
CAT III C ILS - ANSWER Full auto land
What are the 2 types of radar? - ANSWER Primary and Secondary
What does primary radar do? - ANSWER Detects an metal object in an area
What does secondary radar do? - ANSWER Communicates with the planes transponder
to get Altitude as well as location
, What mode of transponder is required for controlled airspace? - ANSWER Mode C
What are the different types of transponders? - ANSWER Mode A, Mode C, Mode S
What does a mode A transponder do? - ANSWER Only give ident does not give altitude
What does a mode C transponder do? - ANSWER Gives ident and altitude
What does a mode S transponder do? - ANSWER Gives ident and altitude as well as has
the ability to communicate with other mode S transponders for collision avoidance
Whats the transponder code for VFR at or below 12 500 ft? - ANSWER 1200
Whats the transponder code for VFR above 12 500ft - ANSWER 1400
Whats the transponder code for IFR in class G airspace - ANSWER 1000
What are the emergency transponder codes? - ANSWER 7500 (hijacking) 7600 (Com
Failure) 7700 (distress)
What are the 2 types of lightning detection equipment in GA? - ANSWER stormspace
and strikefinder
What are the 3 types of lightning detection systems? - ANSWER Ground based, Space
based, Mobile based
Whats a wing planform? - ANSWER shape of wing from above
What are the pitot-static instruments? - ANSWER airspeed indicator, altimeter, and
vertical speed indicator
What happens if the static port is blocked? - ANSWER VSI and altimeter will not show
climbs or descents ASI will under read in a climb and over read in descent
What does PUDSUC refer to? - ANSWER The ASI Static under read descent Pitot Under
read Climb
How can you fix a static port block? - ANSWER Use ALT static, Crack glass of a pressure
instrument (VSI least important), disconnect static line behind instrument panel
What 2 properties do gyroscopes operate on? - ANSWER Precession and Rigidity in
space
What is precession? - ANSWER when a gyro spins up it will move in a direction 90
degrees to the spin axis
What is rigidity in space? - ANSWER When gimbaled (gyro in a container) the gyro resists
change of motion around axis of rotation
How are gyroscopes powered? - ANSWER Vacuum or Electrical
What instruments does the vacuum powered gryo operate? - ANSWER Attitude and
heading Indicator
,What instruments does the electrical powered gyro operate? - ANSWER Turn
coordinator and/or turn and slip indicator
How many satellites do you need for RAIM capabilities? - ANSWER 5 for RAIM and 6 if
you want FDE as well
Whats the horizontal guidance system on the ILS? - ANSWER Localizer
Whats the vertical guidance system on the ILS? - ANSWER Glideslope
What are the categories of ILS? - ANSWER CAT II, CAT III A, CAT III B, CAT III C
CAT II ILS - ANSWER Decision height 100 ft, RVR less then 300 m
CAT III A ILS - ANSWER Decision height lower then 100 ft, RVR not less than 200m
CAT III B ILS - ANSWER Decision height lower then 50 ft, RVR not less than 50m
CAT III C ILS - ANSWER Full auto land
What are the 2 types of radar? - ANSWER Primary and Secondary
What does primary radar do? - ANSWER Detects an metal object in an area
What does secondary radar do? - ANSWER Communicates with the planes transponder
to get Altitude as well as location
, What mode of transponder is required for controlled airspace? - ANSWER Mode C
What are the different types of transponders? - ANSWER Mode A, Mode C, Mode S
What does a mode A transponder do? - ANSWER Only give ident does not give altitude
What does a mode C transponder do? - ANSWER Gives ident and altitude
What does a mode S transponder do? - ANSWER Gives ident and altitude as well as has
the ability to communicate with other mode S transponders for collision avoidance
Whats the transponder code for VFR at or below 12 500 ft? - ANSWER 1200
Whats the transponder code for VFR above 12 500ft - ANSWER 1400
Whats the transponder code for IFR in class G airspace - ANSWER 1000
What are the emergency transponder codes? - ANSWER 7500 (hijacking) 7600 (Com
Failure) 7700 (distress)
What are the 2 types of lightning detection equipment in GA? - ANSWER stormspace
and strikefinder
What are the 3 types of lightning detection systems? - ANSWER Ground based, Space
based, Mobile based
Whats a wing planform? - ANSWER shape of wing from above
