5.7: Weight and Balance Definitions

Question 1

Which items are included in the empty weight of an aircraft?

Answer 1

Unusable fuel and undrainable oil.

Question 2

An aircraft is loaded 110 pounds over maximum certificated gross weight. If fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

Answer 2

18.4 gallons.

Question 3

If an aircraft is loaded 90 pounds over maximum certificated gross weight and fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

Answer 3

15 gallons.

Question 4

GIVEN:
WEIGHT ARM MOMENT
(LB) (IN) (LB-IN)
Empty weight 1,495.0 101.4 151,593.0
Pilot and passengers 380.0 64.0 —
Fuel (30 gal usable no reserve) — 96.0 —

The CG is located how far aft of datum?

Answer 4

CG 94.01.

Question 5

What is the maximum amount of fuel that may be aboard the airplane on takeoff if loaded as follows?

                                                                          WEIGHT (LB)                      MOM/1000 Empty weight                                                           1,350                                   51.5 Pilot and front passenger                                         340                                     --- Rear passengers                                                       310                                      --- Baggage                                                                      45                                     --- Oil, 8 qt.                                                                       ---                                      ---

Answer 5

40 gallons.