Answer :
Final answer:
A significant advantage of cruising at higher altitudes like 10 km for commercial aircraft is improved fuel efficiency due to thinner air, which reduces aerodynamic drag. The FAA also regulates airspace, making higher altitudes more conducive to safety protocols.
Explanation:
When considering whether to cruise at 1500 feet AGL or 3500 feet AGL in an area with no tall ground-based obstructions, there are several factors to consider for flight safety and efficiency. However, one advantage for commercial aircraft to cruise at a relatively high altitude, such as around 10 km, beyond avoiding turbulence, includes improved fuel efficiency due to thinner air.
At higher altitudes, the air is less dense, which reduces aerodynamic drag on an aircraft, allowing it to burn less fuel for a given speed. The Federal Aviation Administration (FAA) also regulates airspace, requiring planes to maintain certain separations for safety, which are easier to achieve at altitudes where aircraft are less dense, such as 3500 feet AGL compared to 1500 feet AGL.
Final answer:
A significant advantage of cruising at higher altitudes like 10 km for commercial aircraft is improved fuel efficiency due to thinner air, which reduces aerodynamic drag. The FAA also regulates airspace, making higher altitudes more conducive to safety protocols.
Explanation:
When considering whether to cruise at 1500 feet AGL or 3500 feet AGL in an area with no tall ground-based obstructions, there are several factors to consider for flight safety and efficiency. However, one advantage for commercial aircraft to cruise at a relatively high altitude, such as around 10 km, beyond avoiding turbulence, includes improved fuel efficiency due to thinner air.
At higher altitudes, the air is less dense, which reduces aerodynamic drag on an aircraft, allowing it to burn less fuel for a given speed. The Federal Aviation Administration (FAA) also regulates airspace, requiring planes to maintain certain separations for safety, which are easier to achieve at altitudes where aircraft are less dense, such as 3500 feet AGL compared to 1500 feet AGL.
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