List of Equations Flashcards
1
Q
Departure
A
Departure(nm) = CHlong x 60 ×cos(Lat)
2
Q
Convergency
A
Convergency=CHlong×sin(mid. Lat)
Used to find difference between initial and final great circle track.
3
Q
Conversion Angle
A
1/2×CHlong×sin(mid. Lat)
Used to find difference between rhumb line (midway route) and Great Circle
4
Q
Lambert’s Projection
A
Chart Convergency=CHlong×Sin(PO)
5
Q
Chart Scale
A
Chart Scale = Chart Distance / Earth Distance
6
Q
Grivation
A
Convergence+ Variation
7
Q
Track Error (1 in 60 Rule)
A
Distance Off x 60
————————- = Track Error (deg)
Distance Gone
8
Q
Height on Glideslope
A
GS Angle x Range x 100
9
Q
Rate of Descent
A
GS Angle x GS/60 x 100