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Formulas Flashcards

(14 cards)

1
Q

Distance to station

A

GS * Time in Min / degrees of bearing change = distance to station

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2
Q

Max payload

A

Max payload = MZFW - BOW

MZFW = max zero fuel weight 
BOW = basic operating weight
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3
Q

Center of gravity shift

A

w/W = d/D

w = weight of object to move
W = gross WT of aircraft 
d  = number of inches that the C of G must be moved 
D = distance between cargo compartments
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4
Q

Distance to critical point

A

D*Hr / Or+Hr=distance to critical point

D = total trip distance 
Hr = reduced or 3 engine ground speed home
Or = reduced or 3 engine ground speed out
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5
Q

Specific air range

A

TAS / fuel flow = specific air range

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6
Q

Specific ground range

A

Ground speed / fuel flow = specific ground range

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7
Q

Mach number

A

TAS/S = Mach number

S=speed of sound at flight temp

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8
Q

Angel of bank for rare one turn

A

TAS/10 +7= angle of bank for rate one turn

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9
Q

Stall speed of an A/C executing a banked turn

A

Normal stall speed *✔️load factor = Stall speed of an A/C executing a banked turn

60 degree = 2G
45 degree = 1.4G

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10
Q

Hydroplaning speed

A

Hydroplaning speed = 7.7✔️tire PSI

Non rotating tire

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11
Q

Hydroplaning speed

A

Hydroplaning speed = 9.0✔️tire PSI

rotating tire during take off

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12
Q

Port drift

A

True altitude is increasing

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13
Q

Starboard drift

A

True altitude is decreasing

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14
Q

VHF reception distance

A

1.23 ✔️alt = VFR reception distance

Alt=aircraft altitude above the station

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