Built as a Works Progress Administration project, it was Tampa's main airport from 1935 to 1945, and is still used by general aviation operators today because of its proximity to the central city.During a meeting on September 18, 2007, some residents voiced concerns about larger aircraft using the longer runway and any related increase in the volume of noise generated there.Peter O. Knight has on display a variety of aircraft, car club participants, and other local sponsors.Peter O. Knight Airport covers an area of 110 acres (45 ha) at an elevation of 8 ft (2 m) above mean sea level.[3] As of mid 2009 UNICOM Frequency is 122.725 For the 12-month period ending June 8, 1999, the airport had 66,000 aircraft operations, an average of 180 per day: 99% general aviation and 1% air taxi.