Bernoulli's Principle state: "The internalpressure of a fluid ______at points where the speed of the fluid ______."
When air is forced to travel at a faster speed across the top of a wing versus the bottom, this will result in _______ the wing.
lower pressure above
Which statement best expresses Newton'sThird Law of Motion?
For every action, there is an equal and opposite reaction.
The three principle airfoils on an aircraft that produce lift are _________.
wing, propeller,and horizontal tail surfaces
An imaginary straight line drawn from the leading edge to the trailing edge of a cross section of an airfoil is called the _______.
Actual atmospheric pressure at a given time and place does not depend on which of the following?
For an aircraft to maintain a constant airspeed and maintain straight level flight, what must be in balance?
Thrust & Drag; Lift & Weight
At approximately what angle of attack will air no longer flow smoothly over the wing's upper surface?
What type of icing is an aircraft likely to encounter when flying in temperatures above freezing?
The forces that are acting on a helicopter in flight are lift, thrust, _____, and _______.
What term defines a maneuver in which a helicopter is in motionless flight over a reference point, and maintaining a constant heading and altitude?
What is the basic purpose of the autorotation maneuver in a helicopter?
Provide a controlled landing when the engine is no longer supplying power
The definition of "wake turbulence" includes a number of phenomenon affecting flight safety. Which of the four choices are not included in the definition?
Which three aircraft characteristics represent the greatest generated wake turbulence?
Heavy, clean, slow
Vortices from large aircraft will sink at a rate of approximately ______ to ______ feet per minute.
The ability of an aircraft to counteract the effects of induced roll is based on the _______ and _______ of the aircraft/
wingspan; counter control capabilities
What are the three basic types of engines found on aircraft today?
Reciprocating, turboprop, and turbojet
Generally, what are the three basic types of landing gear?
Tricycle gear, conventional gear, and tandem gear
An aircraft with a certified takeoff weight of _______ pounds or less will fall into the small weight class.
Straight-wing, swept-wing, and _________ are the three basic types of wing configuration.
The statement, "the internal pressure of a fluid decreases at points where the speed of the fluid increases" is a part of ________.
The line between the leading edge and the trailing edge of an airfoil is the ___________.
The _________ is the acute angle formed between the chord line of an airfoil and the direction of the air striking the airfoil (relative wind).
angle of attack
: If you have an aircraft on approach to an airport and a similar aircraft cruising during en route flight, which would create a greater wake turbulence effect?
An aircraft on approach to the airport
What is the name for the turbulent phenomenon created by aircraft passing through the atmosphere?
For fixed-wing aircraft, vortices begin at what stage of flight?
At rotation/when it leaves the ground
When observing an aircraft from behind, the circulation of vortices off the right wingtip is _______ and _______ off the left wingtip.
Vortices from large aircraft will sink approximately 300 feet to 500 feet per minute and level off approximately ______ feet below the flight path.
500 to 1,000
With no wind, vortices within 100 feet to 200 feet of the ground will move ________ knots laterally across the ground.
2 to 3
For landing aircraft, crosswinds of 1 to 5 knots tend to ________ the lateral movement of one vortex while ________ the movement of the other.
Hazardous conditions occur when the induced roll exceeds the level of ______.
roll controll of the aircraft
Counter control is most effective and roll is minimal when the wingspan and the ailerons extend beyond the ________ of the vortex.
A hovering helicopter creates a downwash from its main rotors that can travel up to how far?
3 times the rotor diameter
Why is the controller not responsible for anticipating the existence or effects of wake turbulence?
Because it is unpredictable
Wake turbulence has the greatest impact on ATC in the areas of _______.
increase separation and traffic management delays
A twin-engine, turboprop aircraft weighing 12,500 pounds or less will fall under which category?
An aircraft capable of 300,000 pounds of takeoff weight, but which currently only has a takeoff weight of 225,000 pounds, would fall into what weight class?
An aircraft in the small weight class has a maximum certified takeoff weight of _______ pounds or less.
41,000 or less
If an aircraft has a 250,000 pound maximum certified takeoff weight, what would its weight class be?
What are the 9 aircraft identification features?
Size, Engine location and number, Engine type, Wing placement, Wing configuration, Tail configuration, Windows, Fuselage shape, and Landing Gear
What are the 6 basic tail configurations?
Conventional tail, Forward slant vertical stabilizer, Horizontal stabilizer above fuselage, "T"-tail (swept or straight), "V"-tail, "Twin Boom" tail