In which situation should you drive an aerial apparatus in low gear?

Driving an aerial apparatus in low gear is particularly important when climbing a hill. Utilizing low gear helps to maintain controlled engine power, which is essential when navigating steep inclines. This approach reduces the risk of overheating the engine and allows for better torque, ensuring that the apparatus can ascend without straining its components.

In situations such as descending a hill, it's more effective to use low gear to control speed and safely manage descent, but the context of climbing emphasizes the need for powerful acceleration and stability. When traveling on flat roads or highways, higher gears are suitable as they improve fuel efficiency and facilitate smoother driving without the need for the additional power provided by lower gears.