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Questions and Answers

Which of the following is a common reason for flight with CG located behind permissible limits?

Pilot weight is less than the specified minimum pilot seat weight.

Tailwheel dolly is still attached on the tailboom.

Foreign matter or debris has accumulated in the aft fuselage.

All of the above. (correct)

What is the consequence of having a tail heavy glider?

Pitch control of the glider becomes difficult or impossible. (correct)

The glider becomes unstable in flight.

The glider becomes nose heavy.

The glider becomes difficult to land.

How can the CG position be determined?

By checking the weight and balance records.

By measuring the weight of the glider.

By visual inspection of the glider.

By calculation using weight and arm. (correct)

What is ballast used for in a glider?

To adjust the location of the CG. Signup and view all the answers

Which type of ballast is installed under the pilot's seat cushion?

Sand or lead shot Signup and view all the answers

What is the purpose of the fin trim ballast tank?

To adjust CG location after water is added to the main wing ballast tanks Signup and view all the answers

What happens if water in the wings is allowed to freeze?

The glider's handling characteristics change Signup and view all the answers

Which one of the following is a consequence of unequal draining of ballast in a glider?

Loss of control of the glider Signup and view all the answers

What should be checked to ensure proper draining of water ballast in a glider?

Airstream Signup and view all the answers

What is the purpose of dumping ballast before landing in a glider?

To reduce weight Signup and view all the answers

Which of the following is a general rule of thumb when flying in headwind conditions?

Add half the headwind component to the best L/D for the maximum distance Signup and view all the answers

When flying in tailwind conditions, what should be done to the origin point on the polar graph?

Shift it to the left of the zero mark on the horizontal axis Signup and view all the answers

In sinking air, what is the recommended speed to fly?

Faster than the best L/D speed Signup and view all the answers

Which of the following is a problem associated with a CG forward of the forward limit in a glider?

The glider becomes nose heavy and difficult to raise the nose on takeoff. Signup and view all the answers

What is the purpose of the horizontal stabilizer and elevator in a fixed-wing aircraft?

To provide positive stability and counteract a nose-up pitch attitude. Signup and view all the answers

What can happen if the CG of a glider is aft of the aft limit?

The glider loses positive stability and may not return to a level pitch attitude after an upset. Signup and view all the answers

What are the most common reasons for a CG forward of the forward limit in a glider?

All of the above. Signup and view all the answers