What are the two type of tachometers?
Mechanical and electrical
A lubber line on a directional gyro is used to what?
Represent the nose of the aircraft
What does a tachometer do?
Indicates the speed of the aircraft of a reciprocating engine
What does an aircraft auto pilot system do?
Controls the aircraft with the pilot directly maneuvering the controls
What does AFCS stand for?
Automatic flight controls systems
Most large aircraft’s use what kind of autopilot systems?
Rate-based auto pilot systems
What are the four basic elements in autopilot systems
Sensing elements, computing element, output element, command elements.
What is deviation
A compass error caused my local magnetic fields in the aircraft
Most hydraulic pressure gauges use a what type mechanism?
Bourdon tube-type mechanism
The reference marker on a magnetic compass is called what?
Lubber line
The takeoff warning system is activated by what?
A switch on the power lever (thrust lever)
which instruments are connected to an aircraft’s pitot-static system?
Vertical speed indicator, altimeter, airspeed indicator
A bourdon tube instrument may be used to indicate what?
Pressure and temperature
Aircraft instrument panels are generally shock-mounted to absorb what?
Low-frequency, high amplitude shocks