Formulas Flashcards
1
Q
Mach number =
A
TAS / LSS
2
Q
LSS =
A
38.94 |^ Temp (k)
3
Q
Arc to time =
A
(Long x 4) / 60
4
Q
Departure =
A
Long (mins) x cos Lat
5
Q
Earth Convergency =
A
Long (degrees) x sin mean Lat
6
Q
Convergence Angle =
A
1/2 x Long (degrees) x sin mean Lat
7
Q
Chart convergence =
A
Long (degrees) x sin parallel of origin
8
Q
Scale =
A
Earth Distance / Scale
9
Q
Chart Length =
A
Earth Distance / Scale
10
Q
Earth Distance =
A
Chart x Scale
11
Q
ESAD =
A
(Distance / Groundspeed) x TAS
12
Q
ETP from Destination =
A
Distance x GS home / on + home
13
Q
Distance to PNR =
A
Safe endurance (hours) X out x home / out + home
14
Q
Effect of wind in nm =
A
Flight Time from SAETP x windspeed
15
Q
Rate of Climb =
A
ROC (f/min) x 60 / GS
