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13 Cards in this Set
- Front
- Back
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Moment Arm |
The horizontal distance in inches from the reference datum line to the CG of an item |
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Basic empty weight |
The standard empty weight plus the weight of optional and special equipment installed |
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CG range |
The specified forward and aft points within which the CG must be located during flight |
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Datum |
An imaginary vertical plane or line from which all measurements of arm are taken |
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Mean Aerodynamic chord |
The average distance from the leading edge to the trailing edge of the wing |
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Moment |
The product of the weight of an item multiplied by its arm The measurement of the gravitational force that causes a tendency of the weight to rotate about a point or axis, expressed in inch pounds |
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Standard empty weight |
Aircraft weight that consists of the airframe, engines, and all items of operating equipment that have fixed locations and permanently installed in the aircraft |
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Station |
A location in the aircraft that is identified by a number designating it's distance in inches from the datum |
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Useful load |
The weight of the pilot, copilot, passengers, baggage, usable fuel, and drainable oil. The basic empty weight subtracted from the maximum allowable gross weight |
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Moment |
If the weight of any object is multiplied by the distance from the datum (arm). The product is the moment |
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Forward CG |
Excessive loads on the nose when landing Nose over in a tailwheel Decreased prefomance Higher control forces Aft CG |
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Aft CG |
Decreased stability Control difficulty Violent stall characteristics Light control forces Faster causing speed |
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14 CFI 91.9 |
Requires the pilot in command to comply with the operating limits in the approved AFM including the weight and balance |
