Charles M. Schulz -

© P N Sonoma County T S 2018 Complaint Summary

www.flySTS.com

2018 Complaint Summary

Charles M. Schulz - Sonoma County Airport (STS)

The Airport saw a steady decline in noise complaints throughout 2018. The Airport received 162 complaints in 2018, showing a 69.5% decrease from the 531 complaints of 2017. This decline was a continuation from the previous year with the departure of Allegiant Airlines. Of those 162 complaints, 150 were specific to the Airport.

The noise complaints were generated from all over Sonoma County, at various times of the day and night, primarily involving airline, corporate, and general aviation aircraft. A breakdown of Airport-related complaints shows that concerns about noise and low-flying craft account for the largest percentage with a combined 94% of the total. Related issues, such as flight paths, maneuvering and frequency accounted for 6%. Non-Airport-related complaints accounted for 7.4% of the total.

The Airport contacted other in the larger Bay Area to assess how noise complaints as STS compare geographically. In total, the Airport collected data from seven area airports, which vary in size and number of operations. The airport, number of total operations, and amount of complaints are listed below:

Number of Number of Operations per Airport Operations Complaints Complaint (CCR) 109,649 155 707 Livermore Municipal Airport (LVK) 145,980 101 1,445 Monterey peninsula Airport (MRY) 69,320 167 415 (APC) 50,489 9 5,610 Oakland International Airport (OAK) 241,733 69,346 3 San Jose Airport (SJC) 195,627 143,000 1 Sonoma County Airport (STS) 85,060 162 525

Charles M. Schulz – Sonoma County Airport 1 2 Charles M. Schulz – Sonoma County Airport 2018 Complaint Summary

2018 Complaint Summary

Complaint Comparison by Year

Percent of Operations per Total Airport-Related Airport-Related First Time Percent of Total Total Airport-Related Year Complaints Complaints Complaints Callers Complaints Operations Complaints 2014 343 279 81% 193 56% 73,576 264 2015 229 200 87% 152 66% 83,463 417 2016 304 273 90% 176 58% 79,231 290 Year Total Airport Related Percent of First time Percent of Total Operations Per 2017 531 416 78% 105 20% 84,589 178 Complaints Complaints Airport Callers Total Operations Airport-Related 2018 162 150 93% 121 75% 85,060 525 Related Complaints Complaint Average 314 264 86% 149 55% 81,184 335 2010 192 163 84% 134 70% 72,939 447 2011 141 107 76% 83 59% 79,562 743 Summary2012 of Operations146 120 82% 96Total Complaint66% Breakdown78,381 653 2013 198 147 74% 49 25%Complaints79,999 Percent 544 Number of Operations2014 343 85,060279 Noise81% Related 193 56% 76 73,576 46.9% 264 Total Complaints Average 204 162163 Low 79%Flight Related111 55% 65 76,891 40.1% 544 Airport Related Complaints 150 Manuever Related 2 1.2% Airport Related Complaints % 93% Other (flight path, frequency, etc.) 7 4.3% Summary of Operations Non-Aircraft related complaintsTotal Complaint12 Breakdown7.4% 162Complaints 100.0% Percent NumberTotal of Complaints Operations by Caller 73,576 Airport-RelatedNoise Related Complaints by Time129 37.6% Total Complaints Complaints Percent 343 Low Flight Related Complaints 130 Percent 37.9% First-time CallersAirport (2 calls Related or less) Complaints121 74.7% Day279 Maneuver(07:00-18:00) Related 123 9 75.9% 2.6% Frequent Callers Airport(3 calls Related or more) Complaints40 (%) 24.7% Evening81.0% Other(18:00-22:00) (overflights,track,etc)15 75 9.3% 21.9% Anonymous 1 0.6% Night (22:00-07:00) 18 11.1% Total Complaints by Caller Airport Related Complaints by Time Airport-Related Complaints by Source Complaints Percent Complaints Percent First Time Callers (2 callsComplaints or less) Percent193 56.3% Day (07:00-18:00)Complaints 222 Percent 79.6% Hot Air Balloon Frequent Callers (3 calls or more)0 0.0% 126 Sunday36.7% Evening (18:00-22:00)22 21 14.7% 7.5% Helicopter Anonymous 28 18.7% 24 Monday7.0% Night (22:00-07:00)26 36 17.3% 12.9% Jet 33 22.0% Tuesday 16 10.7% Airport Related Complaints by Source Airport Related Complaints by Day Military 6 4.0% Wednesday 34 22.7% Complaints Percent Complaints Percent Propeller Hot Air Balloon 3 2.0% 0 Thursday0.0% Sunday 20 48 13.3% 17.2% Unknown / OtherHelicopter 66 44.0% 54 Friday19.4% Monday 19 36 12.7% 12.9% Firebomber Jet 0 0.0% 54 Saturday19.4% Tuesday 13 28 8.7% 10.0% Airline Military 14 9.3% 20 7.1% Wednesday 23 8.2% Propeller 31 11.1% Thursday 48 17.2% Unknown / Other 113 40.5% Airport-RelatedFriday Complaint Breakdown32 11.5% Firebomber 0 0.0% Saturday 64 23.0% Airline 7 2.5% Complaints Percent Noise Related 76 50.7% Low Flight Related Airport Related65 Complaint Breakdown43.3% Maneuver Related 2 Complaints 1.3% Percent Other (flight path,Noise frequency, Related etc.) 7 107 4.7% 38.4% Low Flight Related 104 37.2% Maneuver Related 6 2.2% Other (overflights,track,etc) 62 22.2% Definition of “Airport Related”

A complaint will be considered "Airport Related" if it meets any of the following criteria:

A. The operation that triggers the complaint is directly related to takeoff or landing at STS. B. The operation that triggers the complaint takes place within a five mile radius of the Airport C. The operation that triggers the complaint is a direct result of an Airport related event.

Charles M. Schulz – Sonoma County Airport 3 2018 Complaint Comparisons BY CALLER BY CALLER 0% By Caller 25% 0%

25%

First-time Callers (2 calls or less) Frequent Callers (3 calls or more) First-time Callers (2 calls or less) Anonymous Frequent Callers (3 calls or more) Anonymous

75% BY AIRCRAFT TYPE 75% BY AIRCRAFTBy Aircraft TYPE Type

0% 0% 0% 0% 9% 9% 19% 19%

Hot Air Balloon Hot Air Helicopter Balloon Helicopter Jet Military Jet Propeller Military Unknown / Other 22% Propeller Firebomber Airline Unknown / Other 44% 22% 4% Firebomber 2% BY TIME OF DAY Airline 44%BY TIME OF DAY By11% Time of Day 4% 11% 2% 10% 10% Day (07:00-18:00) Day (07:00-18:00) Evening (18:00-22:00) Evening (18:00-22:00)

Night (22:00-07:00) Night (22:00-07:00)

79% 79%

4 Charles M. Schulz – Sonoma County Airport

2018 Complaint Comparisons

byBy Year Year 600

500

400

300 Total Airport-Related Total Complaints 200

100

0 2014 2015 2016 2017 2018 by Month 10000 By Month 35

9000 30 8000

7000 25

6000 20 5000 15 4000

3000 10 2000 5 1000

0 0 Jan Feb Mar Apr May June July Aug Sep Oct Nov Dec

Total Operations Airport-Related Complaints By Day of Week 40 By Day of Week 35

30

25

20

15

10

5

0 Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Charles M. Schulz – Sonoma County Airport 5 2018 Noise Complaint Map 2018 Noise Complaints Charles M. Schulz - Sonoma County Airport

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! Complaint Call ocations unay tension ines Total 2018 complaints: 162 SS Airport roperty 5 Mile Airport aius Airport-related complaints: 150 Anonymous or no address: 20 ° 0 1 2 4 Miles Total addresses outside of mapped area: 20 Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

6 Charles M. Schulz – Sonoma County Airport 5 Year Summary

Charles M. Schulz – Sonoma County Airport 7 5 Year Summaries

TotalTotal Complaint Complaint Breakdown Breakdown

Five Year Total Complaint2014 2015 Breakdown 2016 2017 2018 Average Five Year Noise Related 2014107 201579 2016188 2017402 201876 170 Average Low Flight Related 104 73 42 44 65 Average66 Noise Related 107 79 188 402 76 170 ManeuverNoise Related Related 1076 790 1882 4023 762 1703 Low Flight Related 104 73 42 44 65 66 Other (flightLow Flightpath, Relatedfrequency, etc.) 10462 7348 4241 4427 657 6637 Maneuver Related 6 0 2 3 2 3 NonManeuver-Airport Related Related 646 290 312 553 122 383 Other (flight path, frequency, etc.) 62 48 41 27 7 37 Other (flightTotal path, Complaints frequency, etc.) 34362 22948 30441 53127 1627 31437 Non-Airport Related 64 29 31 55 12 38

Total Complaints 343 229 304 531 162 314

Airport Related Complaints by Aircraft Type Airport Related Complaints by Source Five Year Airport Related Complaints2014 2015 by2016 Aircraft 2017 Type 2018 Average Five Year Hot Air Balloon 20140 20152 20161 20175 20180 2 Average Helicopter 54 18 27 15 28 28 Hot Air Balloon 0 2 1 5 0 2 Jet 54 61 108 77 33 67 Helicopter 54 18 27 15 28 28 Military 20 10 33 0 6 14 Jet 54 61 108 77 33 67 Propeller 31 27 21 32 3 23 Military 20 10 33 0 6 14 Unknown 113 77 34 260 66 110 Propeller 31 27 21 32 3 23 Firebomber 0 0 0 0 0 0 Unknown 113 77 34 260 66 110 Airline 7 5 49 86 14 32 Firebomber 0 0 0 0 0 0

Airline 7 5 49 86 14 32

Airport Related Complaints by Day Airport Related Complaints by Day Five Year Airport Related2014 Complaints 2015 2016 by Day2017 2018 Average Five Year Sunday 201448 201538 201656 2017113 201822 55 Average Monday 36 19 27 61 26 Average34 Sunday 48 38 56 113 22 55 TuesdaySunday 4828 3825 5625 11340 2216 5527 Monday 36 19 27 61 26 34 WednesdayMonday 3623 1936 2718 6144 2634 3431 Tuesday 28 25 25 40 16 27 ThursdayTuesday 2848 25 2573 4068 1620 2747 Wednesday 23 36 18 44 34 31 WednesdayFriday 2332 3631 1851 4497 3419 3146 Thursday 48 25 73 68 20 47 ThursdaySaturday 4864 2526 7323 6853 2013 4736 Friday 32 31 51 97 19 46 Saturday 64 26 23 53 13 36

8 Charles M. Schulz – Sonoma County Airport 5 Year Summaries

TotalTotal Complaint Complaint Breakdown Breakdown 600 Noise Related 500 400 Low Flight Related 300 Total Complaint Breakdown Maneuver Related 600 200 Noise Related 500 100 Total Complaint Breakdown Other (flight path, frequency, 400 0 Lowetc.) Flight Related 300600 2014 2015 2016 2017 2018 Five Year ManeuverNoise Related Related 500 Average 200 100400 OtherLow Flight (flight Related path, frequency, 3000 etc.) Airport Related Complaints by Aircraft TypeManeuver Related 200 2014 2015 2016 2017 2018 Five Year 300 Average 100 Other (flight path, frequency, 2500 etc.) 200 2014 2015 2016 2017 2018 Five Year 2014 AirportAirport Related Complaints Complaints byAverage Aircraftby Source Type 150 2015 300 100 2016 250 50 2017 Airport Related Complaints by Aircraft Type 2014 200 0 2018 150300 2015 Five Year Average 100250 2016 200 2014 50 2017 1500 2015 2018 100 2016 Five Year Average 50 Airport Related Complaints by Day 2017 0 120 2018

Five Year Average 100 2014 80 Airport Related Complaints by Day 2015

12060 2016 2017 10040 AirportAirport Related Related Complaints Complaints by by Day Day 2014 2018 8020 2015 120 Five Year Average 60 0 2016 100 2014 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 40 2017 80 2015 2018 20 60 2016 Five Year Average 0 40 2017 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2018 20 Five Year Average 0 Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Charles M. Schulz – Sonoma County Airport 9 5 Year Summaries

AirportAirport AirportRelated Related Related Complaints Complaints Complaints by by Time byTime Time Five YearFive Year 20142014 20152015 20162016 2017 2017 2018 2018 AverageAverage DayDay (07:00 - - 18:00) 18:00) 222222 154154 187 187 353 353 123 123 208 208 Evening (18:00 - 22:00) 21 27 50 59 15 34 Evening (18:00 - 22:00) 21 27 50 59 15 34 Night (22:00 - 07:00) 36 19 35 60 18 34 Night (22:00 - 07:00) 36 19 35 60 18 34

Airport Related Complaints by Time Airport Related Complaints by Time 400 Airport Related Complaints by Time 400350 350300 250 300 Day (07:00 - 18:00) 250200 Evening (18:00Day (07:00- 22:00) - 18:00) 200150 Night (22:00Evening - 07:00) (18:00 - 22:00) 100 150 50 Night (22:00 - 07:00) 100 0 50 2014 2015 2016 2017 2018 0 2014 2015 2016 2017 2018

10 Charles M. Schulz – Sonoma County Airport 2014-2018 Noise Complaint Map 2014-2018 Noise Complaints Charles M. Schulz - Sonoma County Airport

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B S od g a ! e ! ! Rohnert Park ! ! ! ! Complaint Call ocations unay tension ines 2014 2015 2016 2017 2018 SS Airport roperty 5 Mile Airport aius Total complaints: 343 229 304 531 162 Airport-related complaints: 279 200 273 476 150 Anonymous or no address: 63 22 39 20 20 Total addresses outside of mapped area: 1 3 2 3 20 ° 0 1 2 4 Miles Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

Charles M. Schulz – Sonoma County Airport 11 2017 Noise Complaint Map 2017 Noise Complaints Charles M. Schulz - Sonoma County Airport

Healdsburg

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! Complaint Call Locations Airport-related complaints: 476 Anonymous or no address: 20 Total addresses outside of mapped area: 3 ° 0 1 2 4 Miles Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

12 Charles M. Schulz – Sonoma County Airport 2016 Noise Complaint Map 2016 Noise Complaints Charles M. Schulz - Sonoma County Airport

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! Complaint Call Locations Airport-related complaints: 273 Anonymous or no address: 39 Total addresses outside of mapped area: 2 ° 0 1 2 4 Miles Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

Charles M. Schulz – Sonoma County Airport 13 2015 Noise Complaint Map 2015 Noise Complaints Charles M. Schulz - Sonoma County Airport

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P l d ie y on R f n Wilfred Ave m any lo o o C B t Crane ! S Rohnert ! Park ! Year Total: 229 ! Complaint Call Locations Extension Lines STS Airport Property 5 Mile Airport Radius Airport-Related Complaints: 200 Anonymous or no address: 22 Total addresses outside of mapped area 7 ° 0 1 2 4 Miles Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

14 Charles M. Schulz – Sonoma County Airport 2014 Noise Complaint Map 2014 Noise Complaints Charles M. Schulz - Sonoma County Airport

Healdsburg

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! Complaint Call Locations Runway Extension Lines Total complaints: 343 STS Airport Property 5 Mile Airport Radius Airport-related complaints: 279 Anonymous or no address: 63

° 0 1 2 4 Miles Total addresses outside of mapped area: 1 Note, many complaints are from the same households with residents who are highly sensitive to aircraft operations.

Charles M. Schulz – Sonoma County Airport 15 © P N T S

2290 Airport Boulevard, Santa Rosa, CA 95403 - 707.565.7243 - www.sonomacountyairport.org