Weight and Balance Turbojet

Question 1

BOW

Answer 1

Basic Operating Weight

Question 2

What is BOW?

Answer 2

Everything that is needed to legally fly the aircraft except payload and fuel.

Question 3

Does the BOW include the crew?

Answer 3

YES

Question 4

MAC

Answer 4

Mean Aerodynamic Cord

Question 5

What is MAC?

Answer 5

Imaginary airfoil that has the same aerodynamic characteristics as the actual airfoil

Question 6

LEMAC and TEMAC

Answer 6

Leading edge of the mean aerodynamic

Trailing edge of the mean aerodynamic chord

Question 7

Where is the datum line usually located?

Answer 7

At the nose tip of the aircraft

Question 8

On a jet aircraft, how is the CG usually expressed?

Answer 8

As a % of the MAC

Question 9

What is the weight equation?

Answer 9

Weight x Arm = Moment

Question 10

How can you express CG?

Answer 10

Total weight / Total moment

Question 11

What is Basic Operating Index?

Answer 11

Moment of BOW / 1000

Question 12

What is Basic Operating Weight?

Answer 12

Moment of Gross Weight / 1000

Question 13

How do you find the CG as a % of MAC?

Answer 13

CG aft of LEMAC / MAC = (% MAC)

Question 14

What is the Gross Weight Index?

Answer 14

Moment of the gross weight / 1000

Question 15

What is an index arm?

Answer 15

It is a datum at a location different than the tip of the nose of the airplane.