AND VERIFIED ANSWERS |GRADED A+|PASS FIRST AT-
Theory of Flight: The four forces - ANSWER Lift, Gravity, Thrust, and Drag
Lift - ANSWER upward force
Gravity (or weight) - ANSWER downward force
Thrust - ANSWER forward force
Drag - ANSWER resisting force
In order to take off, the aircraft's __ and __ must be sufficient to overcome its __and __. -
ANSWER thrust, lift, weight, and drag
The pilot guides and controls the aircraft by controlling its pitch, roll, and yaw via the control
surfaces. These include the __ , __ , and __. - ANSWER ailerons, elevators, and rudder
To land, an aircraft's __ must be reduced safely below its __, as its lift is reduced to levels
less than its __. - ANSWER thrust, drag, weight.
Fuselage (body) - ANSWER a rigid structure on which the aircraft components, e.g., wing,
tail, engine, etc., are mounted
Nose - ANSWER the forward section of an aircraft. It includes the flightdeck where the
captain and first officer sit
1
, Nacelle - ANSWER the protective covering surrounding the aircraft engine
Aileron - ANSWER hinged portion on the trailing edge of the wing. It raises and lowers to
control the rolling motion of the aircraft.
Flaps - ANSWER hinged portion of the wing
located on the trailing (back) edges, covering the section of the wing from the fuselage to
the aileron. Flaps provide additional lift to compensate for the slower air speeds associated
with landing.
Elevators - ANSWER moveable control surfaces hinged to the horizontal stabilizer, which
control pitch or position of the nose of the aircraft relative to the horizon
Rudder - ANSWER located on the tail section. Controls the left to right movement of the
aircraft ("yaw").
Horizontal and Vertical Stabilizer - ANSWER located in the tail section, contributes to the
aircraft's stability. The horizontal stabilizers can be adjusted to align the aircraft's flight path
angle according to existing wind conditions. Additional control comes from the vertical stabi-
lizer.
Landing gear - ANSWER the understructure which is made up of the nose and main gears.
Retractable gear folds up into the aircraft in flight.
Empennage - ANSWER commonly referred to as the tail section, consists of of the rudder,
various tabs, vertical and horizontal stabilizers, and elevators
Slats - ANSWER located on the forward edge of the wing, are usually found on jet aircraft.
They give the aircraft additional lift on takeoff for short runways and help reduce airspeed
for landing.
2
Theory of Flight: The four forces - ANSWER Lift, Gravity, Thrust, and Drag
Lift - ANSWER upward force
Gravity (or weight) - ANSWER downward force
Thrust - ANSWER forward force
Drag - ANSWER resisting force
In order to take off, the aircraft's __ and __ must be sufficient to overcome its __and __. -
ANSWER thrust, lift, weight, and drag
The pilot guides and controls the aircraft by controlling its pitch, roll, and yaw via the control
surfaces. These include the __ , __ , and __. - ANSWER ailerons, elevators, and rudder
To land, an aircraft's __ must be reduced safely below its __, as its lift is reduced to levels
less than its __. - ANSWER thrust, drag, weight.
Fuselage (body) - ANSWER a rigid structure on which the aircraft components, e.g., wing,
tail, engine, etc., are mounted
Nose - ANSWER the forward section of an aircraft. It includes the flightdeck where the
captain and first officer sit
1
, Nacelle - ANSWER the protective covering surrounding the aircraft engine
Aileron - ANSWER hinged portion on the trailing edge of the wing. It raises and lowers to
control the rolling motion of the aircraft.
Flaps - ANSWER hinged portion of the wing
located on the trailing (back) edges, covering the section of the wing from the fuselage to
the aileron. Flaps provide additional lift to compensate for the slower air speeds associated
with landing.
Elevators - ANSWER moveable control surfaces hinged to the horizontal stabilizer, which
control pitch or position of the nose of the aircraft relative to the horizon
Rudder - ANSWER located on the tail section. Controls the left to right movement of the
aircraft ("yaw").
Horizontal and Vertical Stabilizer - ANSWER located in the tail section, contributes to the
aircraft's stability. The horizontal stabilizers can be adjusted to align the aircraft's flight path
angle according to existing wind conditions. Additional control comes from the vertical stabi-
lizer.
Landing gear - ANSWER the understructure which is made up of the nose and main gears.
Retractable gear folds up into the aircraft in flight.
Empennage - ANSWER commonly referred to as the tail section, consists of of the rudder,
various tabs, vertical and horizontal stabilizers, and elevators
Slats - ANSWER located on the forward edge of the wing, are usually found on jet aircraft.
They give the aircraft additional lift on takeoff for short runways and help reduce airspeed
for landing.
2
