What strategy involves implementing zoning to preclude residential property within certain noise contours?

The correct answer focuses on off-airport land use plans, which are critical for managing the impact of noise generated by airport operations. These plans are essential for maintaining compatibility between airport activities and surrounding communities. By strategically zoning areas to restrict residential development within certain noise contours, airports can mitigate the negative effects of noise on residents. This preemptive approach helps to protect communities from disturbances associated with aircraft operations, ensuring that residential areas are located in quieter zones where noise levels are more acceptable.

Off-airport land use planning not only helps preserve the quality of life for residents but also supports airport operations by reducing potential conflicts with community stakeholders. Such planning efforts can include creating buffer zones, encouraging non-noise-sensitive developments, or enhancing green spaces in areas adjacent to airports.

This context makes clear why off-airport land use plans are effective in addressing noise issues, contrasting them with other options like land acquisition, noise monitoring, and flight procedures, which, while relevant to noise management, do not primarily focus on controlling land use around airports.