Excerpts from this story referencing "quiet technology":
"… the likely financial loss to tour companies, and that interim rules, plus quiet technology that some companies have incorporated, have significantly reduced noise.Mc …"
"… e sunset and another after dawn, and require aircraft to be outfitted with quiet technology within 10 years. Total tours would be limited to 65,000 flights a year, do …"
"… al disclosure records show.McCain has long urged government incentives for quiet technology on tour aircraft. In the amendment he introduced last year, with co-sponso …"