POF Q24 - Descending and Gliding Flashcards
The descent angle is the angle between:
a.the longitudinal axis and the local horizontal
b.the aircrafts path through the air and the local horizontal
c.the aircrafts path through the air and the angle of attack
d.the angle of attack and the longitudinal axis
b.the aircrafts path through the air and the local horizontal
In the descent the aircraft’s pitch angle is
a.the angle between the angle of attack and the aircraft’s longitudinal axis.
b.the same and the descent angle.
c.the angle between the angle of attack and the aircraft’s path through the air.
d.the angle between the aircraft’s longitudinal axis and the local horizontal.
d.the angle between the aircraft’s longitudinal axis and the local horizontal.
If an aircraft is in descent. Which of the following would make up a descent angle of 18º?
a.angle of attack: -4º
pitch angle: 14º
b.angle of attack: 4º
pitch angle: 14º
c.angle of attack: 4º
pitch angle: -14º
d.angle of attack: -4º
pitch angle: -14º
c.angle of attack: 4º
pitch angle: -14º
The forces parallel to the flight path in a power on descent are
PICK ALL THAT APPLY
a.Weight
b.Wsin𝛾
c.Lift
d.Drag
e.Thrust
f.Wcos𝛾
b.Wsin𝛾
d.Drag
e.Thrust
In a steady power on descent, which force component drives the aircraft down the descent flight path?
a.Weight
b.Lift
c.Drag
d.Thrust
a.Weight
What is CDFA?
a.Continuous Descent Final Approach
b.Commercial Descent For Approach
c.Continue Descent For Approach
d.Commercial Descent Final Approach
a.Continuous Descent Final Approach
A single engine aircraft is in a steady descent and the engine fails. The aircraft enters a steady glide. What equation would describe the forces acting parallel to the flight path?
a.D = Wsin𝛾
b.D = T-Wsin \gamma
c.L = Wcos \gamma
d.D = T+Wsin \gamma
a.D = Wsin𝛾
An aircraft in glide will have a specific distance that it is able to travel due to its glide gradient of descent. The glide angle of descent is the ratio of
a.the horizontal distance travelled to the height lost.
b.The height of the aircraft to the time of the flight.
c.the horizontal distance travelled to the drag component
d.the height lost to the horizontal distance travelled.
d.the height lost to the horizontal distance travelled.
We say that the best gradient for the glide occurs at 4º Angle of attack. What other factors are proportional to this?
Pick all that apply.
a.best D/L ratio
b.CLMAX / CD
c.CD / CLMAX
d.VS0
e.best L/D ratio
f.VMD
b.CLMAX / CD
e.best L/D ratio
f.VMD
VMP (velocity minimum power) is the speed that relates to the least amount of power. VMP is the speed where the minimum rate of descent occurs. VMP always occurs at
a.0.76VMD
b.1.71VMD
c.VMD
d.1.32VMD
a.0.76VMD
Two identical aircraft at different masses are attempting to glide for maximum range in still air conditions. Aircraft A has a mass of 3200kg and Aircraft B has a mass of 2200kg. Which of the following statements are correct?
a.Aircraft A will always glide further than aircraft B by a ratio of 16:11
b.Aircraft A will glide further than aircraft B.
c.Aircraft A and aircraft B will glide the same distance.
d.Aircraft B will glide further than aircraft A
c.Aircraft A and aircraft B will glide the same distance.
Consider two identical aircraft in flight. Aircraft A has a mass of 2500kg and aircraft B has a mass of 2900kg. It is a calm day with nil wind. Both aircraft enter a glide at the same height above the ground and fly at VMD. Aircraft A has a (I) VMD , Glides (II) and is airbourne for (III) than aircraft B.
a.(I) faster (II) for the same distance (III) less time
b.(I) at the same speed (II) for the same distance (III) less time
c.(I) slower (II) for the same distance (III) more time
d.(I) at the same speed (I) for less distance (III) more time
c.(I) slower (II) for the same distance (III) more time
Consider an aircraft in a steady glide. The aircraft extends its flaps. Which of the below statements is true?
a.The glide range remains constant.
b.The glide range increases due to the larger rate of descent.
c.The glide range increases due to the increased L/D ratio.
d.The glide range decreases.
d.The glide range decreases.
An aircraft is in a steady glide and there is a 20kt Headwind Component. Which of the following statements are correct?
PICK ALL THAT APPLY
a.Glide distance reduces
b.Glide endurance reduces
c.Glide endurance increases
d.Glide distance increases
a.Glide distance reduces
Consider two identical aircraft, in a steady glide, in identical, nil wind conditions. Aircraft A has a mass of 4200kg and aircraft B has a mass of 3850kg. Both aircraft encounter a 30kt headwind component. Which of the following statement would be considered correct?
a.Both aircraft have a reduced glide range, however aircraft B’s glide range is reduced by a greater amount.
b.Both aircraft have the same reduced glide distance
c.Both aircraft have a reduced glide range, however aircraft A’s glide range is reduced by a greater amount.
d.Glide distance is not affected by weight.
a.Both aircraft have a reduced glide range, however aircraft B’s glide range is reduced by a greater amount.
