French aerospace research agency Onera (Stand A321) is exploring a new way to cut noise inside the cabin of an airplane. Researchers have used a principle that simply is the reverse of the usual one.
The comment period was extended to July 1 for the FAA’s draft environmental impact statement on proposed plans to redesign the airspace in the Northeast, which is intended to improve safety, reduce delays and handle growing air traffic.
Noise and vibrations continue to be the focus of several research projects in Europe. For instance, the pan-European Sefa and ABC projects are targeting external aircraft noise and passenger comfort on airliners and helicopters, respectively. French-funded Dyna is trying to better understand engine aeroelasticity and behavior under impact. Several manufacturers, as well as research institutes, are involved in these programs.
Aerospace Concepts LLC of St. Laurent, Quebec, comes to NBAA 2006 to introduce new lightweight sound-proofing materials, along with its advanced interior design capabilities. The company has recently completed interior projects on its 55th wide-cabin business jet.
Telex Communications, a long-time provider of commercial aviation headsets, has a new product that offers battery-free active noise reduction (ANR). The Airman 850, being demonstrated at Booth No. 2106, is the only headset on the commercial market to use voltage from microphone bias to power its active noise reduction technology and requires no special aircraft panel power.
The FAA has issued a final rule establishing a class of “quiet technology” aircraft to fly commercial tours over Grand Canyon National Park (GCNP). The rule requires no action by commercial air-tour operators; it simply identifies specific aircraft that qualify for the GCNP quiet-aircraft-technology designation.
All jet and transport-category airplanes with an mtow of 12,500 pounds or more for which application of a new type design is submitted on or after Jan. 1, 2006, will have to meet new noise certification levels.
San Diego County, which has jurisdiction over the McClellan-Palomar Airport (CRQ), is currently updating its FAR Part 150 noise compatibility plan for the airport. Part of the process involves evaluating existing operating procedures, with an eye toward reducing noise in the surrounding area.
Management at Fort Lauderdale Executive Airport, Fla., has submitted a proposed noise compatibility program (under FAR Part 150 guidelines) to the FAA, which is scheduled to approve or reject it no later than January 16. Public comments can be submitted through September 20. For more information, contact Bonnie Baskin, at the FAA in Orlando, Fla., at (407) 812-6331, ext. 130.
The Port Authority of New York and New Jersey and the FAA are considering a proposal to expand noise-abatement procedures at Teterboro Airport (TEB). Currently, Runway 24 has published noise-abatement procedures. The new proposal would implement similar noise-abatement procedures for aircraft departing from the other three TEB runways.