AE 104 Performance and Maneuvering

Question 1

The minimum speed for takeoff is approximately ___ above the power-off stall speed.

Answer 1

20%

Question 2

The minimum takeoff speed can be reduced by___

Answer 2

decreasing weight, increasing wing surface area, increasing CLMAX (flaps)

Question 3

___, ___, ___, and ___ are bad for takeoff performance.

Answer 3

high, hot, heavy, humid

Question 4

Which factor has the greatest effect of takeoff distance?

Answer 4

weight

Question 5

___ ___ ___ ___ is gaining the most altitude in a given amount of time.

Answer 5

max rate of climb, 140 KIAS, relies on excess power

Question 6

___ ___ ___ ___ gains the most altitude for distance traveled.

Answer 6

max angle of climb, not used in T6

Question 7

___ ___ is the maximum time that an airplane can remain airborne on a given amount of fuel.

Answer 7

maximum endurance

Question 8

___ ___ is the maximum distance an airplane can travel on a given amount of fuel.

Answer 8

maximum range (at L/DMAX velocity and AOA)

Question 9

How does an increase in weight affect cruise performance?

Answer 9

Increased power/fuel flow, decreased max range and max endurance

Question 10

How does an increase in altitude affect cruise performance?

Answer 10

decreased power/fuel flow, increased max range and max endurance

Question 11

How does lowering the landing gear or flaps affect cruise performance?

Answer 11

increased power/fuel flow, decreased max range and max endurance

Question 12

___ ___ ___ is the Mach number that first produces evidence of local supersonic flow on an airplane.

Answer 12

critical mach number

Question 13

___ ___ ___ is the airspeed flown power off which provides maximum range.

Answer 13

best glide speed, approx. 125 KIAS

Question 14

What factor has no impact on max glide range?

Answer 14

weight

Question 15

What is the region of reverse command?

Answer 15

the area where additional thrust or power is required to fly more slowly (left of max endurance on PR curve)

Question 16

___ is the yawing moment caused by one propeller blade creating more thrust than its opposing blade.

Answer 16

p-factor

Question 17

___ ___ is a corkscrewing airflow that travels around the fuselage.

Answer 17

slipstream swirl (more prevalent at high power settings and low airspeeds)

Question 18

An aircrafts turn performance in a level coordinated turn is a factor of its ___ and ___.

Answer 18

velocity, bank angle

Question 19

What factors can limit the max bank angle and min velocity and aircraft can sustain in a level turn?

Answer 19

weight, altitude, load factor, stalling angle of attack, engine performance, wing loading

Question 20

In instrument flight, turns are made at a standard rate of ___ ___ ___. The bank angle required is dependent on airspeed.

Answer 20

3 degrees per second

Question 21

A ___ is caused by opposite or insufficient rudder in teh direction of turn. The yawing moment is toward the outside of the turn, the ball will be on the inside of the turn.

Answer 21

slip

Question 22

A ___ is caused by using too much rudder in the direction of turn. The yawing moment is toward the inside of the turn, and the ball is deflected toward the outside of the turn.

Answer 22

skid

Question 23

Load factor is the ratio of the ___ divided by the ___. Also called G force or G loading.

Answer 23

load, weight

Question 24

At 30 degrees of bank, how many Gs are required to maintain level flight?

Answer 24

1.15 Gs

Question 25

At 45 degrees of bank, hou many Gs are required to maintain level flight?

Answer 25

1.4 Gs

Question 26

At 60 degrees of bank, how many Gs are required to maintain level flight?

Answer 26

2.0 Gs

Question 27

At 80 degrees of bank, how many Gs are required to maintain level flight?

Answer 27

5.72 Gs

Question 28

Level flight can’t be maintained at 90 degrees of bank because___

Answer 28

there is no lift vector perpendicular to the ground

Question 29

___ ___ ___ is the greatest load factor an airplane can sustain without risk of permanent deformation or danger.

Answer 29

limit load factor

Question 30

___ ___ ___ is the maximum load factor that an aircraft can withstand without structural failure. This is ___ of a limit load factor.

Answer 30

ultimate load factor, 150%

Question 31

___ Gs are encountered anytime the only control that is deflected is the elevator

Answer 31

symmetric

Question 32

At sea level you can’t overstress the aircraft with positive Gs below aprox. ___ or negative Gs below aprox ___ because the aircraft will stall first.

Answer 32

195 knots, 100 knots

Question 33

You can’t overstress the aircraft with positive, symmetric Gs at any airspeed when at ___ MSL.

Answer 33

31,000 ft

Question 34

The lowest airspeed that you can obtain the positive symmetric load limit is about ___.

Answer 34

240 KIAS

Question 35

___ ___ is the speed above which full or abrupt control movements in one axis can result in structural damage to the aircraft.

Answer 35

maneuvering speed, 227 KIAS (cornering velocity)

Question 36

Stability and maneuverability are ___ proportional.

Answer 36

inversely

Question 37

___ ___ is the difference between the flightpath and the longitudinal axis.

Answer 37

sideslip angle

Question 38

Where does max endurance occur?

Answer 38

bottom of the PR curve (less than L/Dmax)

Question 39

Where does mas range occur for prop aircraft?

Answer 39

L/DMAX

Question 40

What factor changes groundspeed but has no effect on TAS?

Answer 40

headwind/tailwind

Question 41

yaw resulting from prop. airflow past rudder

Answer 41

slipstream swirl

Question 42

roll opposite propeller rotation

Answer 42

propeller torque (torque effect)

Question 43

yaw resulting from asymmetric propeller thrust

Answer 43

P-factor

Question 44

action to correct slipstream swirl

Answer 44

right rudder

Question 45

correction for p-factor

Answer 45

opposite rudder

Question 46

action to correct for prop torque

Answer 46

opposite aileron

Question 47

What two things determine turn rate and radius?

Answer 47

velocity and bank

Question 48

What is turn rate?

Answer 48

rate of heading change

Question 49

What is PIO (pilot induced oscillations)?

Answer 49

pilot and longitudinal stability correcting for oscillations simultaneously

Question 50

Describe directional static stability

Answer 50

stability of the longitudinal axis around the vertical axis