Formulas Flashcards

(35 cards)

1
Q

Gradient Required (Feet/NM)

A

Altitude to Lose

Distance to Travel

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2
Q

VVI Required

A

Gradient x NM/Min

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3
Q

Pitch Change

A

Gradient

100

or 1° Pitch Change = 100 ft/Nm

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4
Q

Turn Radius (TR) 90°

A

NM/MIN - 2

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5
Q

Lead Point for Radial to Arc

A

Desired Arc + TR

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6
Q

Distance From Station

A

TAS x Minutes Flown

Degrees of Bearing Change

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7
Q

VVI for 3° Glideslope

A

GS x 10

2

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8
Q

Teardrop Entry - Bank Angle Required

A

TR x 60

Distance Between Radials

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9
Q

45/180 Maneuver

A

(3 x TR) + 2

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10
Q

80/260 Maneuver

A

3 x TR

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11
Q

Bank Angle to Maintain Arc

A

(30/Arc) x TR

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12
Q

Teardrop Distance Outbount

A

TR x 120

Degrees Between Radials

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13
Q

WX Radar Tops

A

(Dist x Tilt) x 100

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14
Q

Drift Angle

A

Crosswind Component

NM/MIN

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15
Q

Arc to Radial Leadpoint

A

(60 x TR)

Arc or DME

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16
Q

Calculate TAS

A

( FL / 2 ) + IAS

17
Q

Time To Station

A

60 x Time b/t Bearings

Bearing Change

18
Q

Crosswind Component

A

Crosswind Angle + 20

19
Q

Headwind Component

A

30° = 90%

45° = 70%

60° = 50%

20
Q

TD

21
Q

Holding - Outbound Leg Correction

A

1 Minute Legs = 3600 / Inbound Time

1.5 Minute Legs = 8100/Inbound Time

22
Q

Hydroplane Speed

A

9 x Sq.Rt. Tire Pressure

23
Q

VDP in TIme

A

Final Approach Time - (HAT / 10)

24
Q

L/D MAX Formula

25
°C to °F
°F = ((°C x 2) -10%) + 32
26
°F to °C
°C = ((°F -32) + 10%)) / 2
27
Lift Equation
L = ½pV²ACL Where: L = Lift in Pounds p = air density V = TAS A = Wing Surface Area CL = Coeifficient of Lift at desired AOA
28
Stall Speed Increases...
In Proportion to the Square Root of Load Factor Example: 45kt stall 4g. Vs x Sqr. Rt. G's 45 x Sq. Rt. 4 = 90 kts
29
Estimating Cloud Bases °C
_Temp - Dew Point_ 2.5
30
Bank Angle for Standard Rate Turn
(TAS / 10) x 1.5
31
Required Pitch with Wind
Each 60 kts of wind will change pitch 1°
32
Triple Drift
Hold 3x inbound drift on oubound leg for the same amount of time spent in 180° Turn. 180° Turn = (1% TAS/2) Result in decimals of a minute.
33
Specific Range
_NM Flown_ = _TAS x 1000_ 1000 FF in Lbs/Hr
34
Diversion Altitude
10% of DIstance to Alternate + 5 e.g. 200 nm = 20 + 5 = FL250
35
Time to Station
_60 x Time b/t Bearings_ Bearing Change