cockpit
Compartment where the glider pilot sits among all the instruments necessary to pilot the aircraft and control flight.
radio 
Apparatus that sends and receives signals to communicate with another glider or with a ground station.
turn and slip knob 
Lever that maintains the position of the control stick to reduce pilot fatigue.
air brake handle 
Lever used to raise and lower the air brakes.
rudder pedal 
Foot lever that the pilot presses down to control rudder movement.
tow release knob 
Lever used to release the tow cable connecting the glider to the tow plane that brings it aloft.
mechanical variometer 
Device that indicates the glider’s vertical rate of climb or descent by mechanical means.
electric variometer 
Device that indicates the glider’s vertical rate of climb or descent by means of an electric sensor; it is more accurate than a mechanical variometer.
airspeed indicator 
Device indicating the speed of the glider with respect to the air through which it is moving.
cockpit ventilation 
Device that controls the opening and closing of air vents to provide air circulation within the cockpit.
seat 
Place where the pilot sits to maneuver the glider; the pilot is strapped into the seat and wears a mandatory reserve parachute.
control stick 
Lever used to control the ailerons and the elevator.
canopy release knob 
Lever that detaches the cockpit canopy from the fuselage so the pilot can eject in case of emergency.
microphone 
Device that converts electric pulses into broadcast or recorded sounds.
oxygen feeding knob 
Device used to activate the system that provides the pilot with oxygen when the glider climbs to high altitudes.
oxygen feeding control 
Device used to regulate the pilot’s oxygen flow.
turn and slip indicator 
Instrument with a gyroscope connected to a pointer that indicates the rate and direction of turning; it also has a ball that shows if the glider is rolling sideways.
compass 
Navigation instrument that indicates the glider’s direction with respect to magnetic north.
altimeter 
Device indicating the glider’s altitude.