181) Which statement is true about flying over the crest while ridge soaring?
a) it should always be avoided, it's dangerous.
182) The ability of a sailplane to "penetrate" efficiently into a strong headwind while on final glide is most closely associated with which of the following:
a) The minimum sink airspeed
183) When should a positive control check be carried out?
a) Only after rigging the glider.
184) What effect would 50 foot trees on the down wind boundary of your chosen field have on your landing run, assuming you would normally touch down just inside the field perimeter?
a) They will move the touch down point 500 feet further up the
185) You are final gliding back to your home airfield and wish to fly a competition type finish. You call on the radio for permission but get no reply, what should be your actions?
a) Continue as planned as local flying must have stopped.
186) You are final gliding to your home airfield when you realize you are not sure of reaching the airfield. What is the best course of action?
a) Continue as planned, as you should be able to "dolphin-fly"
187) Just before launch, your canopy has begun to mist up, but you have the towrope attached. What is the best course of action?
a) Continue, as the canopy will clear on the launch.
188) What is the approximation when using a 1:250 000 scale chart?
a) 2.5 statute miles or 3 nautical miles to the inch.
189) The forecast wind is 230/10. You are on a 50km flight where the desired track is 178 degrees true. What effect will the wind have on the glider?
a) Drift to left of track with low ground speed.
190) What is the difference between track and heading?
a) Track is the way the glider points / heading
is the route over the ground.
191) What is your average cross-country speed if you cover 30 Kms in the first 40 minutes of a flight?
a) 35 Kph.
192) After a long busy period in a weak thermal, you are unaware of your exact location. What are the correct actions?
a) Check your GPS for an accurate fix.
193) Which ground features are most useful for navigation?
a) Villages and ponds.
194) What do isogonal lines indicate on aeronautical charts?
a) They are a line joining places of equal
195) On a 40 nm final glide at 50 Kts indicated airspeed you notice there is a 10 Kt tail wind. How long will the last 20 NMs take?
a) 15 minutes.
196) With 15 nm to go and a glide angle of 30:1 at 60 Kts, what height is required to arrive at the goal with 1000 ft to spare?
a) 3000 ft.
197) The forecast wind is 230/10. You are on a 50km flight where the desired track is 078 degrees true. What effect will the wind have on the glider?
a) Drift to right of track with low
198) A glider with a glide angle of 30:1 is at 3000 feet. Assuming still air and allowing 800 feet for a circuit, how far can the glider travel before commencing a circuit to land?
a) 12.5 nautical miles.
199) When flying from one thermal to the next:
a) Fly faster if flying into the
200) When flying to a goal on the ground:
a) Fly faster if flying into