Define the term 'vertical flight operations.'

The term 'vertical flight operations' specifically refers to operations that involve precise altitude control, particularly in congested urban airspace. This context is essential, as urban environments often present unique challenges such as tall buildings, limited space, and the need for strict compliance with air traffic regulations. Pilots and operators engaging in vertical flight operations must be highly skilled in managing altitude to ensure safety, efficiency, and compliance with urban airspace design and regulations. The ability to navigate and operate effectively within these constraints sets vertical flight operations apart from other types of aircraft operations, making this definition the most accurate and relevant in the context of urban air safety.