"The FAA clearly knows something has changed dramatically," Eshoo said. "There's an acknowledgment of what the issues are. The next challenge is to identify with the FAA what are the short-term issues to be addressed."
FAA officials said the meeting was an excellent exchange of information.
"We felt we got a fairly good understanding from a personal level of why there is concern," said Glen Martin, Western-Pacific Region regional administrator for the FAA. "There was a lot of discussion on the measurement of impacts and where current standards don't address the impacts. We will look into research to make changes to understand where that (gap) is."
Noise complaints throughout the Bay Area have jumped during the past year. San Francisco International Airport's Noise Abatement office received about 14,000 noise complaints last year, according to attendee David Fleck of residents' group Calm the Skies. This past June, the office received about 16,000 complaints; July's numbers will exceed those, officials said at the meeting, according to Fleck.
Palo Alto residents say they bear the brunt of the problem. Three flight paths from San Francisco International Airport cross directly above the city.
Martin said FAA officials plan to address the noise through short-term and longer-term changes. One possible shorter-term change might be to alter flights between 10 p.m. and 7 a.m., he said.
"We can look at rates (of flights) and altitude, review those, and make changes to those," Martin said.
In the longer term, the FAA could look at flight routes, he said, but that is a more complex process. Officials have not yet identified which ideas they might try to implement — in the short or long term — but they are taking back all of the ideas and information for review.
"Right now we're working closely with Congress," Martin said. "We are having meetings that may include additional public meetings in the next couple of months to produce those (short-term and long-term) buckets."
The City of Palo Alto is considering funding a study that would look at flight data to analyze changes that have taken place since NextGen. The city might, alternatively, analyze flight traffic patterns and propose new routes, Councilman Tom Dubois said.
The city is working to get other local governments to share the costs, Dubois said. If the city does press forward, Martin said FAA is open to looking at the study and to suggesting parameters so that it would have outcomes the FAA would see as relevant.
Asked about complaints that have affected some cities more than others, such as flights by turbo-propeller planes by the air-shuttle company Surf Air, Martin said it was clear that the problem is much larger than one airline or airport.
The meeting largely focused on noise out of SFO, but San Mateo County Supervisor Don Horsley reportedly pressed the issue of the private company Surf Air, and Martin agreed to a separate meeting with local FAA representatives present to specifically address that airline company.
Members of Sky Posse, the Palo Alto-based citizens' group working to reduce airplane noise levels, said the meeting with FAA was productive.
"Congresswoman Eshoo was brilliant at working with everybody," said member Stewart Carl. "She put a lot of pressure on FAA to come back with some concrete plans. I felt it was productive. There were lots of good ideas and suggestions."
Palo Alto's representatives included Mayor Karen Holman, Councilmen Dubois and Eric Filseth, Assistant City Manager Ed Shikada and Senior Management Analyst Khashayar Alaee.
Holman appeared to be fairly satisfied with this first meeting, but she did not have illusions of a quick solution.
"There were some indications of where we can collaborate with the FAA and (where) we can work toward some progressive solutions. What has to happen is they have to address real impacts on the ground — on physical and emotional well-being," she said.
Dubois said the meeting was encouraging. "The FAA offered to work with our staff so as to not waste time and money (on data) that the FAA is going to ignore," he said.
Alternate flight routes, a major demand among residents and government officials, are a complex matter. There is a process for proposing new routes, and FAA officials said they would help propose the new routes in the right way, Dubois said.
FAA's No. 1 concern is safety, he said. Air traffic and fuel efficiency, two of the major objectives outlined in the 2012 Reauthorization Act that launched NextGen, would be the biggest challenges to changing flight paths.
If these flights could be moved they would probably go over the ocean, and those longer routes would negatively affect some of the act's objectives.
"The trade-off is the impact on the environment — noise vs. fuel costs," Dubois said.
Eshoo said she thinks new legislation won't be necessary to fix the problems.
"I believe we can work within the jurisdictions and the statues. We don't need to change the laws. I believe the FAA can implement changes that will bring relief regionally," she said.
Eshoo is conducting a survey from residents on airplane noise that she will give to the FAA. The survey can be taken at eshoo.house.gov (search for "airplane noise survey").
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