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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
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 stabilizer.
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.
EMB 140 - Answer- 44 passengers
EMB 145 - Answer- 50 passengers
ERJ 170 - Answer- 65 passengers
ERJ 175 - Answer- 76 passengers
First Class - Answer- The highest level of service on flights across the U.S. First
includes priority privileges, wider seats with more legroom, premium dining, and free
entertainment
Main Cabin Extra - Answer- Available on all flights, Main Cabin Extra offers an
upgraded main cabin experience, including early boarding, complimentary alcoholic
drinks, and extra legroom
Main Cabin - Answer- Our standard service on all flights, Main Cabin is more than just a
seat, it includes everything a customer needs for an enjoyable flight. This includes
offering seat selections at the time of purchase, free snacks, and free entertainment
A/C or AC - Answer- Abbreviation for the word "aircraft"
Advantage Program - Answer- The member loyalty program (frequent traveler program)
for American Airlines, which made its debut on May 1st, 1981. It continues to be the