CPL Exam Formulas Questions and
Answers
Formula for determining height of cloud base agl? - ANSWERS -Temp dew point spread/2.5 x
1000
On upper wind charts, with wind information for winds above 100 knots, what is the formula? -
ANSWERS -Subtract 50 from the wind direction, add 100 to the wind speed
Rule of thumb for TAS increase? - ANSWERS -- Below 20,000 feet, your TAS increases by about 1
1/2% per thousand feet
- Above 20,000 feet, your TAS increases by about 2% per thousand feet
Lift equation? - ANSWERS -1/2p*TAS^2*S*Cl
Drag formula? - ANSWERS -Same as lift, but coefficient of drag
What is the formula to determine how much the stall speed increases at a given angle of bank?
- ANSWERS -Vs x Square root of the load factor at a specific angle of bank.
Standard rate one turn formula? - ANSWERS -TAS/10 + 7
VHF low level airway VOR - VOR dimensions? - ANSWERS -4NM width to each side
4.5* splay
50.8 NM distance to where splay meets width
Answers
Formula for determining height of cloud base agl? - ANSWERS -Temp dew point spread/2.5 x
1000
On upper wind charts, with wind information for winds above 100 knots, what is the formula? -
ANSWERS -Subtract 50 from the wind direction, add 100 to the wind speed
Rule of thumb for TAS increase? - ANSWERS -- Below 20,000 feet, your TAS increases by about 1
1/2% per thousand feet
- Above 20,000 feet, your TAS increases by about 2% per thousand feet
Lift equation? - ANSWERS -1/2p*TAS^2*S*Cl
Drag formula? - ANSWERS -Same as lift, but coefficient of drag
What is the formula to determine how much the stall speed increases at a given angle of bank?
- ANSWERS -Vs x Square root of the load factor at a specific angle of bank.
Standard rate one turn formula? - ANSWERS -TAS/10 + 7
VHF low level airway VOR - VOR dimensions? - ANSWERS -4NM width to each side
4.5* splay
50.8 NM distance to where splay meets width
