When performing weight and balance calculations, what is the primary purpose of determining the 'arm' of an item?
Question 2
What is the significance of 'V-speeds' (e.g., $V_S, V_{NE}$) in flight planning and aircraft operation?
Question 3
During the route selection phase of flight planning, what is the primary advantage of utilizing 'Victor Airways' or 'Jet Routes'?
Question 4
An aircraft has a planned flight time of $3 \text{ hours}$ and a fuel consumption rate of $1,500 \text{ lbs/hour}$. If the regulatory reserve fuel requirement is $45 \text{ minutes}$ of flight at the normal cruise consumption rate, what is the total minimum fuel required for the flight (excluding alternate fuel)?
Question 5
What is the primary purpose of a 'Minimum En Route Altitude' (MEA) in instrument flight rules (IFR) flight planning?
