Civic Intelligence

The San Francisco Aeronautical Society

EIN 94-3283216 • 501(c)3 • San Francisco, CA

Profile

The mission of San Francisco Aeronautical Society is to support the San Francisco Airport Commission Aviation Library and Louis A. Turpen Aviation Museum.

P O Box 250250San Francisco, CA 94125

www.sfaero.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

60th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Liabilities / Revenue

62nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Net Margin

80th percentile

29%

Higher net margin than 80% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2024

Asset Growth

64th percentile

6.1%

Faster asset growth than 64% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

63rd percentile

9.4%

Faster revenue growth than 63% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets60th percentile

Assets

Up

$296,132

Up $17,117 (+6.1%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$296,132

Up $17,117 (+6.1%) from 2023

Operations
Liabilities / Revenue62nd percentileNet Margin80th percentile

Revenue

Up

$69,353

Up $5,987 (+9.4%) from 2023

Expenses

Up

$49,488

Up $9,952 (+25%) from 2023

Net Income

Down

$19,865

Down $3,965 (-17%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth64th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$400K$300K$200K$100K$0Assets 2011: $56,050Liabilities 2011: $02011Assets 2012: $116,465Liabilities 2012: $8,7382012Assets 2013: $139,322Liabilities 2013: $02013Assets 2014: $196,434Net Assets 2014: $196,4342014Assets 2015: $223,700Net Assets 2015: $223,7002015Assets 2016: $242,906Net Assets 2016: $242,9062016Assets 2017: $306,599Net Assets 2017: $306,5992017Assets 2018: $292,927Net Assets 2018: $292,9272018Assets 2019: $256,457Net Assets 2019: $256,4572019Assets 2020: $291,409Net Assets 2020: $291,4092020Assets 2021: $259,288Net Assets 2021: $259,2882021Assets 2022: $253,259Net Assets 2022: $253,2592022Assets 2023: $279,015Liabilities 2023: $0Net Assets 2023: $279,0152023Assets 2024: $296,132Liabilities 2024: $0Net Assets 2024: $296,1322024

Highlighted filing

2024

Assets$296,132
Liabilities$0
Net Assets$296,132
Open 2024 Filing

Operations Trend

Revenue Growth63rd percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$100K$50K$0-$50KRevenue 2011: $50,786Expenses 2011: $33,288Net Income 2011: $17,4982011Revenue 2012: $78,046Expenses 2012: $26,369Net Income 2012: $51,6772012Revenue 2013: $85,516Expenses 2013: $48,821Net Income 2013: $36,6952013Revenue 2014: $87,429Expenses 2014: $30,317Net Income 2014: $57,1122014Revenue 2015: $59,712Expenses 2015: $32,446Net Income 2015: $27,2662015Revenue 2016: $54,000Expenses 2016: $34,794Net Income 2016: $19,2062016Revenue 2017: $91,674Expenses 2017: $27,981Net Income 2017: $63,6932017Revenue 2018: $59,204Expenses 2018: $72,876Net Income 2018: -$13,6722018Revenue 2019: $49,720Expenses 2019: $86,190Net Income 2019: -$36,4702019Revenue 2020: $69,568Expenses 2020: $34,616Net Income 2020: $34,9522020Revenue 2021: $15,916Expenses 2021: $48,037Net Income 2021: -$32,1212021Revenue 2022: $43,895Expenses 2022: $49,924Net Income 2022: -$6,0292022Revenue 2023: $63,366Expenses 2023: $39,536Net Income 2023: $23,8302023Revenue 2024: $69,353Expenses 2024: $49,488Net Income 2024: $19,8652024

Highlighted filing

2024

Revenue$69,353
Expenses$49,488
Net Income$19,865
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$296,132
Liabilities
$0
Net assets
$296,132
Revenue
$69,353
Expenses
$49,488
Net income
$19,865
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$2.96$0.00$2.96$0.69$0.49$0.20
2023Detailed filing. Detailed filing data is available for this year.$2.79$0.00$2.79$0.63$0.40$0.24
2022Detailed filing. Detailed filing data is available for this year.$2.53$2.53$0.44$0.50$0.06
2021Detailed filing. Detailed filing data is available for this year.$2.59$2.59$0.16$0.48$0.32
2020Detailed filing. Detailed filing data is available for this year.$2.91$2.91$0.70$0.35$0.35
2019Detailed filing. Detailed filing data is available for this year.$2.56$2.56$0.50$0.86$0.36
2018Detailed filing. Detailed filing data is available for this year.$2.93$2.93$0.59$0.73$0.14
2017Detailed filing. Detailed filing data is available for this year.$3.07$3.07$0.92$0.28$0.64
2016Detailed filing. Detailed filing data is available for this year.$2.43$2.43$0.54$0.35$0.19
2015Detailed filing. Detailed filing data is available for this year.$2.24$2.24$0.60$0.32$0.27
2014Detailed filing. Detailed filing data is available for this year.$1.96$1.96$0.87$0.30$0.57
2013Summary only. Only limited summary data is available for this year.$1.39$0.00$0.86$0.49$0.37
2012Summary only. Only limited summary data is available for this year.$1.16$0.09$0.78$0.26$0.52
2011Summary only. Only limited summary data is available for this year.$0.56$0.00$0.51$0.33$0.17
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
May 1, 2025
Return Version
2024v5.1
Gross Receipts
$172,872
Mission and Program Overview

Mission

The mission of San Francisco Aeronautical Society is to support the San Francisco Airport Commission Aviation Library and Louis A. Turpen Aviation Museum.

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$15,992$215,459▲ $199,467
Investments in Publicly Traded Securities$189,470$0▼ $189,470
Cash and Non-Interest-Bearing Accounts$65,683$75,376▲ $9,693
Accounts Receivable$7,500$0▼ $7,500
Other Notes and Loans Receivable, Net-$0-
Pledges and Grants Receivable-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Land, Buildings, and Equipment, Net-$0-
Intangible Assets-$0-
Inventories for Sale or Use-$0-
Prepaid Expenses and Deferred Charges-$0-
Total Assets$279,015$296,132▲ $17,117
Other Assets Total$370$5,297▲ $4,927
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$279,015$296,132▲ $17,117
Total Net Assets Fund Balance$279,015$296,132▲ $17,117
Total Liabilities and Net Assets / Fund Balance$279,015$296,132▲ $17,117

Asset Categories

AssetBook ValueDepreciationBasis
Equipment-$3,457$3,457
Compensation and Service Providers
Top Officer Pay81st percentile

Board Members and Trustees

NameTitle
John MartinPresident
Kenneth TurpenVice President
Angela GittensDirector
Catherine MayerDirector
Christopher ZwingleDirector
Dennis BoueyDirector
Eric StarksDirector
Jean CaramattiDirector
Kenneth JohnsonDirector
Napoleon Brandford IiiDirector
Cecilia CorderoSecretary
Ed BarnesTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$25,592
Program Service Revenue
$0
Investment Income
$12,788
Other Revenue
$30,973
All Other Contributions
$24,268
Change in Net Assets
$19,865
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$49,488
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Fees for Services Accounting$8,508$2,127-$10,635
Fees for Services Other$3,560$890-$4,450
Occupancy$3,544$886-$4,430
Other Expenses$3,211$803-$4,014
All Other Expenses$2,481$620-$3,101
Insurance$1,210$303-$1,513
Office Expenses$132$33-$165
Total Functional Expenses$39,590$9,898$0$49,488
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Gross Income$134,492
Fundraising Direct Expenses$103,519
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Gala$117,582$117,582$103,519$14,063
Silent Auction$13,050$13,050-$13,050
Total Events$130,632$130,632$103,519$27,113
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Receivables from Disqualified Persons-$0-
Receivables from Officers, Directors, Trustees, and Key Employees-$0-
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

“No review was or will be conducted.”

Form 990, Part VI, Section C, Line 19

“No documents available to the public.”

Filing and Contact Details

Filer

Filer Name
The San Francisco Aeronautical Society
EIN
94-3283216
Phone
6508216720
Address
P O BOX 250250, SAN FRANCISCO, CA 94125

Signing Officer

Name
John Martin
Title
President
Signed
2025-05-01
Discuss with paid preparer
Yes

Organization Details

Voting Board Members
11
Independent Board Members
0
Employees
0

Preparer

Firm
Chek Tan and Company Llp
Address
309 4TH AVE STE 300, SAN FRANCISCO, CA 94118
Preparer
Yunyu Huang
Phone
4156738573
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IRS990/NetAssetsOrFundBalancesEOYAmt0296132
IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt06632
IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt06632
IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt030973
IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt030973
IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt00
IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt00
IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt00
IRS990/NetUnrlzdGainsLossesInvstAmt0-2748
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt0279015
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt0296132
IRS990/NoListedPersonsCompensatedInd0X
IRS990/NondeductibleContributionsInd0false
IRS990/OccupancyGrp/ManagementAndGeneralAmt0886
IRS990/OccupancyGrp/ProgramServicesAmt03544
IRS990/OccupancyGrp/TotalAmt04430
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt033
IRS990/OfficeExpensesGrp/ProgramServicesAmt0132
IRS990/OfficeExpensesGrp/TotalAmt0165
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherAssetsTotalGrp/BOYAmt0370
IRS990/OtherAssetsTotalGrp/EOYAmt05297
IRS990/OtherEmployeeBenefitsGrp/TotalAmt00
IRS990/OtherExpensesGrp/Desc0Website
IRS990/OtherExpensesGrp/Desc1Miscellaneous
IRS990/OtherExpensesGrp/Desc2UNIFORM
IRS990/OtherExpensesGrp/Desc3AWARD
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt01705
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt11531
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt21000
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt3803
IRS990/OtherExpensesGrp/ProgramServicesAmt06819
IRS990/OtherExpensesGrp/ProgramServicesAmt16125
IRS990/OtherExpensesGrp/ProgramServicesAmt24000
IRS990/OtherExpensesGrp/ProgramServicesAmt33211
IRS990/OtherExpensesGrp/TotalAmt08524
IRS990/OtherExpensesGrp/TotalAmt17656
IRS990/OtherExpensesGrp/TotalAmt25000
IRS990/OtherExpensesGrp/TotalAmt34014
IRS990/OtherRevenueTotalAmt00
IRS990/OtherSalariesAndWagesGrp/TotalAmt00
IRS990/OthNotesLoansReceivableNetGrp/EOYAmt00
IRS990/PartialLiquidationInd0false
IRS990/PaymentsToAffiliatesGrp/TotalAmt00
IRS990/PayPremiumsPrsnlBnftCntrctInd0false
IRS990/PayrollTaxesGrp/TotalAmt00
IRS990/PensionPlanContributionsGrp/TotalAmt00
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt00
IRS990/PoliticalCampaignActyInd0false
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt00
IRS990/ProfessionalFundraisingInd0false
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt022614
IRS990/PYExcessBenefitTransInd0false
IRS990/PYInvestmentIncomeAmt07326
IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt00
IRS990/PYOtherExpensesAmt039536
IRS990/PYOtherRevenueAmt033426
IRS990/PYRevenuesLessExpensesAmt023830
IRS990/PYTotalExpensesAmt039536
IRS990/PYTotalRevenueAmt063366
IRS990/QuidProQuoContributionsInd0false
IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt00
IRS990/RcvFndsToPayPrsnlBnftCntrctInd0false
IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt00
IRS990/ReconcilationRevenueExpnssAmt019865
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
IRS990/RoyaltiesGrp/TotalAmt00
IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt00
IRS990/SavingsAndTempCashInvstGrp/BOYAmt015992
IRS990/SavingsAndTempCashInvstGrp/EOYAmt0215459
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt026916
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt023213
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt040313
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt045877
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt079535
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt0215854
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt012788
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt07326
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt0753
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt039
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt033
IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt020939
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt0134492
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt0133303
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt066451
IRS990ScheduleA/OtherIncome170Grp/TotalAmt0334246
IRS990ScheduleA/PublicOrganization170Ind0X
IRS990ScheduleA/PublicSupportCY170Pct00.37800
IRS990ScheduleA/PublicSupportPY170Pct00.57610
IRS990ScheduleA/PublicSupportTotal170Amt0215854
IRS990ScheduleA/SubstantialContributorsTotAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind0X
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt026916
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt023213
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt040313
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt045877
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt079535
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt0215854
IRS990ScheduleA/TotalSupportAmt0571039
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt00
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd0true
IRS990ScheduleD/EquipmentGrp/DepreciationAmt03457
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt03457
IRS990ScheduleG/AgrmtProfFundraisingActyInd0false
IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt0103519
IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm0GALA
IRS990ScheduleG/FundraisingEventInformationGrp/Event2Nm0SILENT AUCTION
IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt0117582
IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent2Amt013050
IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt0130632
IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt0117582
IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent2Amt013050
IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt0130632
IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt027113
IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt0103519
IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt0103519
IRS990/ScheduleJRequiredInd0false
IRS990/ScheduleORequiredInd0true
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0No review was or will be conducted.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1No documents available to the public.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section B, Line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section C, Line 19
IRS990/SchoolOperatingInd0false
IRS990/SignificantChangeInd0false
IRS990/SignificantNewProgramSrvcInd0false
IRS990/SubjectToExcsTaxNetInvstIncInd0false
IRS990/SubjectToProxyTaxInd0false
IRS990/SubjToTaxRmnrtnExPrchtPymtInd0false
IRS990/TaxablePartyNotificationInd0false
IRS990/TaxExemptBondsInd0false
IRS990/TerminateOperationsInd0false
IRS990/TotalAssetsBOYAmt0279015
IRS990/TotalAssetsEOYAmt0296132
IRS990/TotalAssetsGrp/BOYAmt0279015
IRS990/TotalAssetsGrp/EOYAmt0296132
IRS990/TotalCompGreaterThan150KInd0false
IRS990/TotalContributionsAmt025592
IRS990/TotalEmployeeCnt00
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt09898
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt039590
IRS990/TotalFunctionalExpensesGrp/TotalAmt049488
IRS990/TotalGrossUBIAmt00

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