CPAER Aviation Formulas Questions and Answers
Verified
Bearing to station = - ANSWER Magnetic heading + Relative bearing
Bearing from station = - ANSWER Bearing to station +/- 180º
VOR range (nm) = - ANSWER 1.25 * √feet AGL
Crosswind limitation = - ANSWER 20% of stall speed (0.2 * stall speed)
Rate one turn bankº = - ANSWER 10% of IAS + 7 knots (0.1 * IAS then + 7)
Non-rotating tire hydroplane speed = - ANSWER 7.7 * √tire pressure (psi)
Time to VOR (minutes) = - ANSWER Time in seconds / number of radials crossed
Opening angle = - ANSWER (Distance off track (nm) / distance flown (nm)) * 60
Closing angle = - ANSWER (Distance off track (nm) / distance remaining (nm)) * 60
1 in 60 rule = - ANSWER Opening angle + closing angle
Rotating tire hydroplane speed = - ANSWER 9 * √tire pressure (psi)
Relative bearing = - ANSWER Bearing to station - Magnetic heading
Verified
Bearing to station = - ANSWER Magnetic heading + Relative bearing
Bearing from station = - ANSWER Bearing to station +/- 180º
VOR range (nm) = - ANSWER 1.25 * √feet AGL
Crosswind limitation = - ANSWER 20% of stall speed (0.2 * stall speed)
Rate one turn bankº = - ANSWER 10% of IAS + 7 knots (0.1 * IAS then + 7)
Non-rotating tire hydroplane speed = - ANSWER 7.7 * √tire pressure (psi)
Time to VOR (minutes) = - ANSWER Time in seconds / number of radials crossed
Opening angle = - ANSWER (Distance off track (nm) / distance flown (nm)) * 60
Closing angle = - ANSWER (Distance off track (nm) / distance remaining (nm)) * 60
1 in 60 rule = - ANSWER Opening angle + closing angle
Rotating tire hydroplane speed = - ANSWER 9 * √tire pressure (psi)
Relative bearing = - ANSWER Bearing to station - Magnetic heading
