Term
| WHERE MUST A RECORD BE KEPT OF THE CURRENT EMPTY WEIGHT AND THE CURRENT CENTER OF GRAVITY OF AND AIRCRAFT? |
|
Definition
| THE AIRCRAFT FLIGHT MANUAL OR WEIGHT AND BALANCE RECORDS REQUIRED BY 14 CRF ss23.1583 |
|
|
Term
| WHAT IS MEANT BY THE DATUM THAT IS USED FOR WEIGHT AND BLANACE COMPUTATIONS? |
|
Definition
| A READILY IDENTIFIED REFERENCE CHOOSEN BY THE AIRCRAFT MANUFACTURE FROM WHICH ALL LONGITUDINAL LOCATIONS ON THE AIRCRAFT ARE REFERENCED. |
|
|
Term
| WHY ARE ALL THE DISTANCES OF ALL THE ITEMS INSTALLED IN THE AIRCRAFT MEASURED FROM THE DATUM WHEN COMPUTING WEIGHT AND BALANCE? |
|
Definition
| THIS MAKES IT POSSIBLE TO FIND THE POINT ABOUT WHICH THE AIRCRAFT WOULD BALANCE. (CENTER OF GRAVITY) |
|
|
Term
| WHAT ARE TWO REASONS WEIGHT AND BALANCE CONTROL ARE IMPORTANT IN AN AIRCRAFT? |
|
Definition
- SAFETY OF FLIGHT
- MOST EFFICIENT PERFORMANCE
|
|
|
Term
| WHAT IS MEANT BY MOMENT WHEN COMPUTATING WEIGHT AND BALANCE? |
|
Definition
| A FORCE THAT TENDS TO CAUSE ROTATION. (THE PRODUCT OF WEIGHT OF AN OBJECT IN lbs AND THE DISTANCE OF THE OBJECT FROM THE DATUM IN INCHES.) |
|
|
Term
| HOW DO YOU FIND THE MOMENT OF AN ITEM INSTALLED ON A AIRCRAFT? |
|
Definition
| MULTIPLY THE OF WEIGHT OF AN OBJECT IN lbs AND THE DISTANCE OF THE OBJECT FROM THE DATUM IN INCHES. |
|
|
Term
| WHAT IS MEANT BY THE ARM OF AN ITEM INSTALLED ON AN AIRCRAFT? |
|
Definition
| THE DISTANCE IN INCHES, BETWEEN, THE CENTER OF GRAVITY OF AN ITEM AND THE DATUM. |
|
|
Term
| WHY MUST WE CONSIDER THE CATEGORY UNDER WHICH AN AIRCRAFT IS LICENSED WHEN WE COMPUTE ITS WEIGHT AND BALANCE? |
|
Definition
| DIFFERENT CATEGORIES UNDER WHICH AND AIRCRAFT IS LICENSED HAVE DIFFERENT MAXIMUM GROSS WEIGHTS AND CENTER OF GRAVITY RANGES. |
|
|
Term
| WHERE CAN YOU FIND THE LEVELING MEANS THATS ARE SPECIFIED FOR THAT PARTICULAR AIRCRAFT? |
|
Definition
| IN THE TCDS FOR THE AIRCRAFT. (TYPE CERTIFICATE DATA SHEETS) |
|
|
Term
| WHERE IS THE ARM OF AN ITEM INSTALLED ON A AIRCRAFT RECORED? |
|
Definition
| IN THE TCDS FOR THE AIRCRAFT. |
|
|
Term
| WHAT MUST BE DONE TO FIND THE EMPTY WEIGHT OF AND AIRCRAFT IF IT HAS BEEN WEIGHED WITH FUEL IN ITS TANKS? |
|
Definition
| THE WEIGHT OF THE FUEL AND ITS MOMENT MUST BE SUBTRACTED FROM THE WEIGHT AND MOMENT OF THE AIRCRAFT AS IT WAS WEIGHED. |
|
|
Term
| WHAT IS MEANT BY TARE WEIGHT THAT IS USED IN WEIGHT AND BALANCE COMPUTATION? |
|
Definition
| THE WEIGHT OF THE CHOCKS AND OTHER ITEMS USED TO HOLD THE AICRAFT ON THE SCALES. |
|
|
Term
| WHAT MUST BE DONE TO THE TARE WEIGHT WHEN AN AIRCRAFT IS WEIGHED? |
|
Definition
| THE TARE WEIGHT MUST BE SUBTRACED FROM THE WEIGHT OF THE AIRCRAFT. |
|
|
Term
| WHAT IS MEANT BY MINIMUM FUEL AS IS USED IN THE COMPUTATION OF AIRCRAFT WEIGHT AND BALANCE? |
|
Definition
| NO MORE FUEL THEN THE AMOUNT NECESSARY FOR 1/2 HOUR OPERATION AT RATED MAXIMUM CONTINUOUS POWER. (IT IS THE MAXIMUM AMOUNT OF FUEL USED IN WEIGHT AND BALANCE COMPUTATIONS WHEN LOW FUEL MAY ADVERSELY AFFECT THE MOST CRITICAL BALANCE CONDITIONS.) |
|
|
Term
| WHAT IS MEANT BY THE MAXIMUM ZERO FUEL WEIGHT OF AN AIRCRAFT? |
|
Definition
| THE MAXIMUM PERMISABLE WEIGHT OF A LOADED AIRCRAFT (PASSENGERS, CREW, CARGO etc.) LESS ITS FUEL. |
|
|
Term
| WHAT IS MEANT BY UNDRAINABLE FUEL? |
|
Definition
AKA: RESIDUAL FUEL.
THE FUEL THAT IS LEFT IN THE TANK, LINES, AND COMPONENTS WHEN THE AIRCRAFT IS PLACED IN LEVEL FLIGHT POSITION AND THE (after)FUEL IS DRAINED AT THE MAIN FUEL STRAINER. |
|
|
Term
| DESCRIBE THE WAY YOU WOULD FIND THE EMPTY WEIGHT AND EMPTY WEIGHT CENTER OF GRAVITY OF AN AIRPLANE IF THERE ARE NO WEIGHT AND BALANCE RECORDS AVAILABLE. |
|
Definition
- AIRCRAFT IS WEIGHED
- COMPUTE EMPTY WEIGHT CENTER OF GRAVITY
- THESE VALUES ARE RECORDED IN NEW WEIGHT AND BALANCE RECORDS STARTED FOR THAT AIRCRAFT.
|
|
|
Term
| WHAT IS MEANT BY PERMANENT BALLAST FOR AND AIRCRAFT? |
|
Definition
| WEIGHT THAT IS PERMANENTLY INSTALLED ON AN AIRCRAFT TO BRING THE EMPTY WEIGHT AND CG INTO ALLOWABLE LIMITS. |
|
|
Term
| WHICH HAS THE MORE CRITICAL CENTER OF GRAVITY RAGE, AIRPLANE OR HELICOPTER? |
|
Definition
|
|
Term
| WHAT EQUIPMENT MUST BE INSTALLED ON A AIRCRAFT WHEN IT IS WEIGHED TO FIND ITS EMPTY WEIGHT CENTER OF GRAVITY? |
|
Definition
| ALL EQUIPMENT THAT IS LISTED IN THE AIRCRAFT EQUIPMENT LIST AS "REQUIRED EQUIPMENT" |
|
|
Term
| WHAT IS THE SIGNIFICANCE OF EMPTY WEIGHT CENTER OF GRAVITY RANGE OF AN AIRCRAFT? |
|
Definition
| IF THE EMPTY WEIGHT CENTER OF GRAVITY FALLS WITHIN THE EWCG RANGE THEN THE AIRCRAFT CANNOT BE LEGALLY LOADED IN SUCH A WAY THAT ITS LOADED CENTER OF GRAVITY FALLS OUTSIDE OF THE ALLOWABLE CG RANGE. (NOT ALL AIRCRAFT HAVE A EWCG RANGE) |
|
|
Term
| WHY IS EMPTY WEIGHT CENTER OF GRAVITY RANGE NOT GIVEN IN THE TCDS FOR SOME AIRCRAFT? |
|
Definition
| THE EWCG RANGE IS GIVEN ONLY FOR AIRCRAFT THAT CANNOT BE LEGALLY LOADED IN SUCH A WAY THAT THEIR LOADED CG WILL FALL OUTSIDE OF ALLOWABLE LIMITS. |
|
|