San Carlos AIRPORT ENVIRONMENTAL DESIGN TOOL AEDT PROCESS. Airport. Flight Tracks. Profile Analysis. Existing & Forecast Operations/Fleet Mix

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1 AT POCSS Flight Tracks Profile Analysis 6,000 King Air 200 4,000 2, istance From Brake elease in Feet (x 1000) xisting & Forecast Operations/Fleet Mix Observed Summer Observed Fall Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 Selected Profile GA ITINANT OPATIONS (in thousands) 80 FOCA HIOICAL YA GA LOCAL OPATIONS (in thousands) Planning Forecast 80 FOCA HIOICAL YA Planning Forecast Terrain ata AIPOT NVIONMNTAL SIGN TOOL Grid Point Analysis Noise Contours

2 A PAT 150 UY: Identifies the current and projected annualized aircraft noise levels at using the Community quivalent Noise Level (CNL) noise metric. Identifies impacts to noise-sensitive land uses in the airport environs. valuates strategies to reduce the noise impacts above 65 CNL from aircraft operating to and from through changes in aircraft operations or airport facilities. Where aircraft noise is projected to remain above 65 CNL, encourages future land uses which are compatible with aircraft noise, such as commercial or industrial in undeveloped areas. etermines methods to reduce the adverse impacts of noise above 65 CNL in existing residential areas which are expected to remain impacted by noise. stablishes procedures to implement, review, and update the program. A PAT 150 OS NOT: valuate aircraft operations from other area airports. Consider other types of impacts (air quality, accidents, etc.). Use noise metrics other than CNL to determine noise impacts. Provide justification for airport expansion.

3 AIPOT VICINITY Highways Hillsborough Foster City Property Boundary Jurisdictional Boundary etailed Study Area Workshop #1 Workshop #2 280 Belmont Workshop #4 Workshop # Atherton Menlo Park 0 2,500 5,000 10,000 Aerial Source: SI Basemap (2014) Woodside 1 inch = 5,000 feet xhibit ##

4 UY AA i d Highways V da 42 n Hillman en Gl Y Br Marine PKY r e id dl M BL V rm Co or t an unway Centerline PK Y Property Jurisdictional Boundary ne Study Area Lakes/Streams Bair Island Twin Ha r bo r h ut So Belmont id ge ore li ey av PK Hille oads Steinberger Slough or es BL V V ha ut olph in Notre Arbor KY e dw oo d ific Foster City Island PKY Orinda n so Pa c ell P l Port oya 40th Municipalities am Belmont e 12 ar Ced al Ol rd wa Ho al ra ille rd Co St a ffo rd o Wo low Source:, SI Basemap Imagery (2014) ar l Pe nd ele y a ed M AY W ns Wi 280 is Y WA V sa t in Sa iew am Al Cr es tv c an Fr Veterans 0 BLV Marshall T an tr i us In d B t ri t le A V lm Seap or t B ly r r ve dc Be Smith Slough tr i b Clu us In d n Sa V sa rlo Ca el ur La rest Hillc on lly Ch ula Vis ta W ell in gt Ho r V da or elf Foster City Wh ipp lito Mo ton als 1,000 2,000 4,000 1 inch = 2,000 feet xhibit 1B

5 VICINITY AIS Property 10,000' 92 Class G/ Airspace Below and Palo Alto Class Airspace 1,500' SFO Class B Airspace Highways Jurisdictional Boundary Below 1,500' adar Flight Tracks Arrival Class G/ Airspace Below eparture 2,500' Below 280 Class G/ Airspace Below 4,000' 2,000' 1,500' ,000' 109 Note: Class B Airspace -Aircraft must have two-way radio capability and an altitude encoding (Mode C*) transponder -Pilots must have specialized training -Pilots must be cleared into Class B airspace Class Airspace -Must be in communication with control tower -Airspace reverts to Class when tower is closed (10:00pm - 6:00am) Class Airspace -xists at & above 700' above ground level (agl) in areas not otherwise denoted -Is considered controlled airspace Class G Airspace -xists from the surface to at or below 700' agl. Not controlled by air traffic control *Any aircraft operating within nm of SFO must have a Mode C transponder. 0 Source:, FAA. Flight Track ata: thru ,500 5,000 10,000 1 inch = 5,000 feet xhibit ##

6 Noise Study 14 CF Part 150 Noise Compatibility Study In June 2013, scheduled charter service began at and shortly thereafter airport staff began fielding noise complaints from residents located under the approach path to the airport from the southeast. To address these concerns, the following actions have been taken: The Noise Group was established in November Meeting quarterly, the Group includes representatives from the Board of Supervisors, staff from local U.S. epresentatives, Association, airport staff, charter service, and Atherton Town Council, and residents from Menlo Park, North Fair Oaks,, and Atherton. The Group has coordinated with FAA with the goal of minimizing overflight noise for those residing under the approach path to the. The initial recommendations involved adjustments to the GPS approach used by pilots approaching the airport. The suggested changes included increasing the height of the aircraft on approach and varying the path used by aircraft. FAA later concluded that varying the approach path was not feasible due to potential conflicts with aircraft operating at San Francisco International. A noise monitor was placed at a residence in the Town of Atherton to measure the noise levels of charter service aircraft overflights. Flight tests using different aircraft gear and flap configurations were conducted to provide information to the public. uring the tests, residents and charter service representatives listened from the ground to determine which option was the quietest. The charter service trained its pilots to use the landing gear and flaps up option when weather and operational procedures allow. In March 2016, the Board of Supervisors initiated an Aircraft isturbance Study to evaluate the feasibility of implementing limits, restrictions, and curfews in an effort to reduce aircraft noise near the airport. The result of the study is a draft aircraft noise ordinance which prohibits the operation of certain aircraft at from 9:00 p.m. until 6:00 a.m. In 2016, the Group coordinated with FAA and the charter service to test the Bayside Visual Approach which, when weather conditions permit, routes aircraft over portions of San Francisco Bay on approach to. 14 CF PAT 150 UY POJCT WOK FLOW INVOLVMNT WOKSHOP POJCT INITIATION INVNTOY NOIS IMTS AICAFT NOIS WOKSHOP AFT NM Approval FAA Acceptance FINAL NM Technical Conferences NOIS ABATMNT ALTNATIVS LAN US ALTNATIVS WOKSHOP WOKSHOP NOIS COMPATIBILITY POGAM HAING WOKSHOP VIS NOIS COMPATIBILITY POGAM AFT NCP Approval FAA Approval FINAL NCP COMPUTIZ LIVABLS

7 AICAFT & AIS GULATIONS Above 1,500 is Class B airspace controlled by San Francisco Int l tower PILOT esponsible for safe operation of aircraft in the air and on the ground SAN MATO COUNTY No control over aircraft in flight May establish run-up times, voluntary noise abatement procedures, and traffic patterns FAL A M I N I I ATI ON S T AT I O N FAA stablishes airspace - where aircraft may be flown Sets aircraft noise standards Certifies aircraft and pilots Cessna four-one-sevensierra-tango cleared for takeoff on runway one-two, southeast departure approved Class airspace up to 1,500 LAN US GULATIONS MUNICIPALITIS Promote compatible land use through zoning Set noise ordinances, but aircraft are exempt per City of Burbank v. Lockheed Air Terminal SAN MATO COUNTY esponsible for maintaining a safe airport Coordinates with local communities to promote land use compatibility AT OF CALIFONIA equires real estate disclosure within the Influence Area (AIA) equires sound insulations for new residential construction within the 60 CNL noise contours nables local land use planning through adoption of zoning General Plan equires preparation of Land Use Compatibility Plan (ALUCP) UNIT ATS stablishes the Part 150 Land Use Compatibility Planning Process No land use authority Tower, Cessna four-one-sevensierra-tango holding short of runway one-two for VF departure southeastbound. NOIS ABATMNT POCUS