CAA PPL lvl 1(second semester)
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Last updated 3:05 PM on 4/27/23
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45 Terms
1
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What are the legs of a traffic pattern?
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1. departure leg
2. Crosswind leg
3. Downwind leg
4. Base leg
5. Final leg
1. departure leg
2. Crosswind leg
3. Downwind leg
4. Base leg
5. Final leg
2
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what is the equation for pressure altitude?
PA = (29.92 - CA)1000 + FE
3
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How do you fing CA(current altimiter)?
It is accessed through the atis
4
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What is the Pressure Altitude used for?
PA is used for finding Density altitude
5
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What is Standard Lapse Rate?
\-2 degrees per 1000 ft
6
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Vr
60(rotation speed)
7
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Vy
76(best rate of climb)
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Vx
64(best angle of climb)
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Va
89-113(maneuvering speed)
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Vs
55(clean stall)
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Vso
49(dirty stall)
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Vfe
102(max speed with flaps extended)
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Vno
125(normal operating speed)
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Vne
154(never exceed speed)
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Vcross
17(max crosswind)
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Vglide
76(best glide speed)
17
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what are the four fundemntal forces of flight
Lift, weight, drag, thrust
18
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what is the contesting force to weight?
Lift
19
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what is the contesting force for drag?
Thrust
20
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what is angle of attack
the chord line in relation to the relative wind
21
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What is Dihedral
The angle of the wings
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What is the purpose of dihedral
To improve stability
23
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What are the two ways the plane can produce lift?
1) Bernoulli’s principle
2) newtons 3rd Law
2) newtons 3rd Law
24
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What is bernoulli’s principle?
Because of the airfoil shape, there is less pressure on the top of the wing than on the bottom therefore, the plane goes up(lift).
25
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How does Newtons 3rd law allow for flight?
Because the air molecules are being pushed down, the wing must be pushed up.
26
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what are the two types of drag
Parasitic and induced
27
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What is induced drag
drag that is crated by the production of lift and disruption of air; causes wingtip vortices
28
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What is parasitic Drag
drag created by the product of airflow over the plane
29
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Where does best glide slope come from
LD Max/least amount of total drag
30
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Which drag increases as speed increases
Parasitic
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Which drag increases as speed decreases
induced
32
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What is ground effect
When the wingtip vertices are intercepted by the the ground
33
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What is wake turbulence
rough air that is created by wingtip vertices
34
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What are ways to avoid wake turbulence
Fly over the Wingtip vertices using Vx
35
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what are the three left turning tendencies
P-Factor, Torque Effect, and Spiraling Slipstream.
36
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What is tourque effect?
because of the props spinning direction, the plane wants to yaw left
37
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What is spiraling slipstream
When the air created from the prop twists around and hits the rudder causing the plane to want to yaw left
38
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What is P factor
based on the AoA, some parts of the prop will grab more air than others, causing the plane to want to yaw left
39
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how do you counteract the left turning tendencies
RIGHT RUDDER
40
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where is the field elevation on a airport diagram
below the name
41
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What is the equation for density altitude?
120(OAT-ISA) + PA
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What is density altitude used for
It is used to see how the aircraft will preform
43
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What is N6919J’s empty weight
1500 lbs
44
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What is N6919J’s CG/arm
86\.25
45
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What is N6919J’s moment?
129377\.7
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