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Intermediate Jet > Ground School: Aero > Flashcards

Ground School: Aero Flashcards

1
Q

Approach stall occurs at what AOA?

A

29-30 Units

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2
Q

Clean stall occurs at what AOA?

A

26 Units

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3
Q

Optimum AOA

A

17 Units

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4
Q

Mach 0.92-0.95

A

Some wing heaviness, up to 3/4 lateral stick required to maintain level flight

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5
Q

T/O roll with full flap, dry runway

A

3450 feet

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6
Q

Ruder Shakers

A

Initiated front left; shakes pedals in both cockpits; 21.5 units

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7
Q

BINGO

A

161 CAS

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8
Q

45 degree, upright spin rate of descent is?

A

15,000 fpm

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9
Q

Airspeed for -60 degree inverted spin?

A

50-120

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10
Q

Thrust required curve shifts (blank) with weight addition

A

Up and to the right

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11
Q

Thrust is affected by?

A

Temp, alt, RPM

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12
Q

What improves transonic flight?

A

wing sweep, and low thickness-to-chord ratio

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13
Q

Longer roll out on landing caused by…

A

density altitude increase, true airspeed increase, indicated airspeed remains constant

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14
Q

Two pilots moves CG…?

A

Forward. Increases stability.

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15
Q

CG moving aft…?

A

Decreases stability, increases maneuverability

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16
Q

External stores decrease AOA by…

A

1 AOA for all configurations

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17
Q

Spiral divergence

A

Strong directional, weak lateral

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18
Q

Mach Tuckunder

A

0.8, AC moves aft, nose pitches down

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19
Q

Max Abort

A

125 (not 129)

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20
Q

Density altitude is high, pressure altitude is high, density of air is…?

A

LOW

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21
Q

What shifts the aircraft CG?

A

Fuel burn, gear and flap movement

22
Q

Force divergent mach number

A

where the coefficient of drag and total drag increase rapidly due to wave drag; FIRST SHOCKWAVE

23
Q

Disadvantage of swept wing

A

High AOA stall decreased coefficient of lift

24
Q

Mach number (definition)

A

TAS with respect to local speed of sound

25
Q

The airspeed/AOA for (blank), (blank) and (blank) are found at L/D max

A

Max endurance, max climb angle, and max power off glide range

26
Q

Thrust is (blank) on longitudinal stability

A

Neutral

27
Q

Area rule

A

Not a T-45 design

28
Q

What reduces rudder “buzz”?

A

Rudder shock stabilization strips

29
Q

Vortex generators

A

improve stability, performance and/or flight control effectiveness. Forces wing downwash further below the stab, eliminating pitch up tendencies. Improves slow speed flight by redirecting wing airflow and re-energizing the boundary layer

30
Q

Stall strips

A

cause root to stall at lower AOA by inducing premature boundary layer separation

31
Q

Force to overcome rudder blowout?

A

greater than 250lbs

32
Q

Uncontrollable pitch up happens when?

A

AC moves in front of CG at stall (tip stall)

33
Q

Q

A

airmass flow in slugs per second

34
Q

Critical mach number (definition)

A

the free stream mach number at which a local mach number of 1.0 is attained at any point on the body under consideration (first hit supersonic flow)

35
Q

Dutch roll

A

low airspeed (below 220 knots), strong lateral, weak directional

36
Q

Nose pitch up 20 degrees

A

accelerated stall w/no external stores, second indication of impending stall

37
Q

Crosswind tendencies?

A

Nose will turn away from the crosswind

38
Q

Stall warning at 1/2 flaps

A

21.5 units

39
Q

Rudder opposite for which type of spins?

A

BOTH

40
Q

Inverted spin characterized by?

A

0 AOA, Neg Gs, Turn needle in the direction of spin

41
Q

Critical mach number? (for the T45)

A

0.8; slight nose down pitch

42
Q

CG forward

A

increases stability

43
Q

Thrust is neutral with respect to…?

A

longitudinal stability

44
Q

Aileron position for INVERTED spin recovery

A

away from turn needle

45
Q

Aileron position for UPRIGHT spin recovery

A

into the turn needle

46
Q

Force divergent mach number for T45?

A

0.85

47
Q

Approach configuration stall buffet happens when?

A

1 knot above stall speed

48
Q

High speed and low speed characteristics improved by?

A

Vortex generators

49
Q

How does the T45 react to flap extension?

A

Balloon, settle, reduced stability

50
Q

1100, 150, 10500 calm

A

300 220 80 500

Intermediate Jet (2 decks)

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