A&P Aircraft Weight & Balance

Question 1

What is the datum in aircraft weight and balance?

Accepted Answer

An imaginary vertical plane from which horizontal distances are measured

Answer

The aircraft's center of gravity location

Answer

The point where all aircraft weight is concentrated

Answer

The manufacturer's recommended CG location

Question 2

What term describes the product of a weight multiplied by its arm?

Accepted Answer

Moment

Answer

Station

Answer

Datum

Answer

Balance point

Question 3

Which document provides the approved CG range and weight limits for a specific certificated aircraft?

Accepted Answer

Type Certificate Data Sheet (TCDS)

Answer

AC 43.13

Answer

FAR Part 91

Answer

Airworthiness Directive

Question 4

What is included in the standard empty weight of an aircraft?

Accepted Answer

Airframe, engines, all permanently installed equipment, unusable fuel, and undrainable oil

Answer

Airframe, engines, unusable fuel, and undrainable oil only

Answer

Airframe and engines only, with no fluids

Answer

Airframe, engines, full usable fuel, and crew

Question 5

How is useful load defined?

Accepted Answer

The difference between maximum certificated gross weight and empty weight

Answer

The weight of passengers and baggage only

Answer

The maximum allowable payload excluding fuel

Answer

The weight of usable fuel and oil only

Question 6

An aircraft has a total moment of 150,000 lb-in and a total weight of 3,000 lbs. What is the CG location?

Accepted Answer

50 inches from the datum

Answer

45 inches from the datum

Answer

55 inches from the datum

Answer

60 inches from the datum

Question 7

What condition results when an aircraft's CG is located ahead of the forward CG limit?

Accepted Answer

The aircraft may be difficult to rotate and requires excessive back pressure on the controls

Answer

The aircraft becomes tail-heavy and pitches up

Answer

The aircraft requires more down elevator to maintain level flight

Answer

The aircraft becomes more laterally unstable