CHALLENGERS MERIT: WEIGHT AND BALANCE
Completed ___/___/___
1. Study chapter 3 in Aviation Fundamentals/Private Pilot Manual:
a. Aircraft Systems and Performance, Section F - Weight and Balance.
___/___/___ ___________________________________________ Commander's Signature
2. Explain what the "CG" of an aircraft (or any object) is.
_______________________________________________________________________________
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature
3. The wings of any aircraft can lift a limited amount of weight. Name 2 factors
which limit the total amount of weight an aircraft can carry.
a. __________________________________ b. __________________________________
___/___/___ ___________________________________________ Commander's Signature
4. The aircraft manufacturer publishes the maximum takeoff weight and the empty weight
of an aircraft. What is the difference between these 2 weights called?
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature
5. In aircraft weight and balance calculations, the moment equals weight times arm.
Explain what is meant by arm, or moment arm.
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature
6. In aircraft moment arm calculations, balance is achieved around what axis (or
attitude) of the aircraft?
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature
7. An aircraft can be safely flown only if the wieght and balance fall with the
"center of gravity envelope". Describe what the CG envelope is and what the
vertical and horizontal units are on a GC envelope graph.
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature
8. Obtain a loading graph or table and CG envelope graph for an aircraft. Calculate
the weight and balance of the loaded aircraft with you and 1 of your friends
aboard. Plot the CG on the envelope graph and decide if you could safely fly
the aircraft, assuming full fuel tanks.
(Attach to this worksheet)
___/___/___ ___________________________________________ Commander's Signature
9. Explain why loading a plane outside the envelope, either fore or aft, makes the
aircraft unsafe and difficult to control.
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
___/___/___ ___________________________________________ Commander's Signature