Speed and Distance Flashcards
1
Q
1 degree of arc is __NM
A
60
2
Q
Give the departure formula
A
Departure (NM) = Delta Longitude (minutes) x Cos( Latitude )
3
Q
Explain what the departure formula calculates
A
It calculates the true length of a degree of longitude at any latitude
4
Q
1m is ___ft
A
3.28
5
Q
1NM is ___m
A
1852
6
Q
1SM is ___ft
A
5280
7
Q
Climb gradient can be calculated using the formula:
A
Arctg( Altitude Difference / ground distance )
8
Q
Rate of climb/descent can be calculated using
A
GS x ( gradient / 60 )
9
Q
ETA is the estimated time at ___
A
destination
10
Q
ETO is estimated time at ___
A
a fix
