Civic Intelligence

Eaa Vintage Aircraft Association Inc

EIN 23-7240830 • 501(c)3 • Oshkosh, WI

Profile

To encourage and aid the retention and restoration of antique, historical and classical aircraft and to improve aviation safety and education.

3000 Poberezny RoadOshkosh, WI 54902

www.vintageaircraft.org

Siviq Scores

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

Liabilities / Assets

59th percentile

0.12x

Higher debt load relative to assets than 59% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Liabilities / Revenue

79th percentile

0.42x

Higher debt load relative to revenue than 79% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Net Margin

79th percentile

28%

Higher net margin than 79% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Top Officer Pay

40th percentile

$0

Higher top officer pay than 40% of similar nonprofits.

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

501(c)3 • $1M-$5M nonprofits • Source year 2025

Asset Growth

56th percentile

5.8%

Faster asset growth than 56% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2024 to 2025

Revenue Growth

24th percentile

-9.1%

Faster revenue growth than 24% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2024 to 2025

Assets

Up

$2,491,920

Up $137,259 (+5.8%) from 2024

Liabilities

Down

$300,315

Down $65,479 (-18%) from 2024

Net Assets

Up

$2,191,605

Up $202,738 (+10%) from 2024

Revenue

Down

$718,573

Down $72,359 (-9.1%) from 2024

Expenses

Up

$515,835

Up $58,215 (+13%) from 2024

Net Income

Down

$202,738

Down $130,574 (-39%) from 2024

Trend Graphs

Balance Sheet Trend

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

$3.0M$2.0M$1.0M$0Assets 2011: $582,228Liabilities 2011: $173,472Net Assets 2011: $408,7562011Assets 2012: $511,525Liabilities 2012: $159,180Net Assets 2012: $352,3452012Assets 2013: $521,519Liabilities 2013: $190,352Net Assets 2013: $331,1672013Assets 2014: $610,223Liabilities 2014: $194,744Net Assets 2014: $415,4792014Assets 2015: $726,709Liabilities 2015: $206,318Net Assets 2015: $520,3912015Assets 2016: $911,937Liabilities 2016: $205,775Net Assets 2016: $706,1622016Assets 2017: $1,083,783Liabilities 2017: $220,752Net Assets 2017: $863,0312017Assets 2018: $1,304,643Liabilities 2018: $218,134Net Assets 2018: $1,086,5092018Assets 2019: $1,483,239Liabilities 2019: $232,645Net Assets 2019: $1,250,5942019Assets 2020: $1,671,972Liabilities 2020: $244,101Net Assets 2020: $1,427,8712020Assets 2021: $1,691,572Liabilities 2021: $242,485Net Assets 2021: $1,449,0872021Assets 2022: $1,814,260Liabilities 2022: $290,795Net Assets 2022: $1,523,4652022Assets 2023: $1,964,280Liabilities 2023: $308,725Net Assets 2023: $1,655,5552023Assets 2024: $2,354,661Liabilities 2024: $365,794Net Assets 2024: $1,988,8672024Assets 2025: $2,491,920Liabilities 2025: $300,315Net Assets 2025: $2,191,6052025

Highlighted filing

2025

Assets$2,491,920
Liabilities$300,315
Net Assets$2,191,605

Operations Trend

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

$800K$600K$400K$200K$0Expenses 2011: $405,8282011Expenses 2012: $417,0112012Expenses 2013: $550,7382013Revenue 2014: $512,342Expenses 2014: $428,030Net Income 2014: $84,3122014Revenue 2015: $507,957Expenses 2015: $403,045Net Income 2015: $104,9122015Revenue 2016: $575,160Expenses 2016: $389,389Net Income 2016: $185,7712016Revenue 2017: $599,805Expenses 2017: $442,936Net Income 2017: $156,8692017Revenue 2018: $564,621Expenses 2018: $344,937Net Income 2018: $219,6842018Revenue 2019: $558,790Expenses 2019: $394,705Net Income 2019: $164,0852019Revenue 2020: $577,667Expenses 2020: $400,390Net Income 2020: $177,2772020Revenue 2021: $333,288Expenses 2021: $312,072Net Income 2021: $21,2162021Revenue 2022: $495,727Expenses 2022: $421,349Net Income 2022: $74,3782022Revenue 2023: $568,921Expenses 2023: $436,831Net Income 2023: $132,0902023Revenue 2024: $790,932Expenses 2024: $457,620Net Income 2024: $333,3122024Revenue 2025: $718,573Expenses 2025: $515,835Net Income 2025: $202,7382025

Highlighted filing

2025

Revenue$718,573
Expenses$515,835
Net Income$202,738

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$2.49$0.30$2.19$0.72$0.52$0.20
2024Detailed filing. Detailed filing data is available for this year.$2.35$0.37$1.99$0.79$0.46$0.33
2023Detailed filing. Detailed filing data is available for this year.$1.96$0.31$1.66$0.57$0.44$0.13
2022Detailed filing. Detailed filing data is available for this year.$1.81$0.29$1.52$0.50$0.42$0.07
2021Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.69$0.24$1.45$0.33$0.31$0.02
2020Detailed filing. Detailed filing data is available for this year.$1.67$0.24$1.43$0.58$0.40$0.18
2019Detailed filing. Detailed filing data is available for this year.$1.48$0.23$1.25$0.56$0.39$0.16
2018Detailed filing. Detailed filing data is available for this year.$1.30$0.22$1.09$0.56$0.34$0.22
2017Detailed filing. Detailed filing data is available for this year.$1.08$0.22$0.86$0.60$0.44$0.16
2016Detailed filing. Detailed filing data is available for this year.$0.91$0.21$0.71$0.58$0.39$0.19
2015Detailed filing. Detailed filing data is available for this year.$0.73$0.21$0.52$0.51$0.40$0.10
2014Detailed filing. Detailed filing data is available for this year.$0.61$0.19$0.42$0.51$0.43$0.08
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.52$0.19$0.33$0.55
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.51$0.16$0.35$0.42
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.58$0.17$0.41$0.41
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Mar 1, 2024 to Feb 28, 2025
Signed
Dec 9, 2025
Return Version
2024v5.2
Gross Receipts
$797,520
Mission and Program Overview

Mission

To encourage and aid the retention and restoration of antique, historical and classical aircraft and to improve aviation safety and education.

To encourage and aid the retention and restoration of antique, (continued on schedule o) historical and classical aircraft and to improve aviation safety and education.

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$1,285,226$1,556,374▲ $271,148
Land, Buildings, and Equipment, Net$502,041$741,738▲ $239,697
Cash and Non-Interest-Bearing Accounts$145,278--
Inventories for Sale or Use$106,184$117,634▲ $11,450
Accounts Receivable$289,000$54,659▼ $234,341
Prepaid Expenses and Deferred Charges$26,932$21,515▼ $5,417
Other Notes and Loans Receivable, Net$0$0→ $0
Receivable From Disqualified Prsn$0$0→ $0
Receivables From Officers Etc$0$0→ $0
Investments Other Securities$0$0→ $0
Investments Program Related$0$0→ $0
Investments in Publicly Traded Securities$0$0→ $0
Loans From Officers Directors$0$0→ $0
Total Assets$2,354,661$2,491,920▲ $137,259
Other Assets Total$0$0→ $0
Liabilities
Deferred Revenue$291,825$295,569▲ $3,744
Accounts Payable and Accrued Expenses$73,969$4,746▼ $69,223
Grants Payable$0$0→ $0
Mortgage Notes Payable Secured by Investment Property$0$0→ $0
Unsecured Notes Loans Payable$0$0→ $0
Other Liabilities$0$0→ $0
Escrow Account Liability$0$0→ $0
Tax Exempt Bond Liabilities$0$0→ $0
Total Liabilities$365,794$300,315▼ $65,479
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$1,522,084$1,850,030▲ $327,946
Net Assets With Donor Restrictions$466,783$341,575▼ $125,208
Total Net Assets Fund Balance$1,988,867$2,191,605▲ $202,738
Total Liabilities and Net Assets / Fund Balance$2,354,661$2,491,920▲ $137,259

Asset Categories

AssetBook ValueDepreciationBasis
Leasehold Improvements$444,319$15,761$460,080
Buildings$256,716$176,775$433,491
Other Land Buildings$37,315$89,919$127,234
Equipment$3,388$10,600$13,988
Compensation and Service Providers

Board Members and Trustees

NameTitle
Susan DusenburyPresident - Thru 12/24
Dan KnutsonVice-president
Charlie WaterhouseDirector
Earl NicholasDirector
Joe NorrisDirector
Ray JohnsonDirector
Steve NesseDirector
Ac HutsonDirector - as of 07/24
Vaughn LovleyDirector - as of 07/24
George DaubnerDirector - Thru 07/24
John HofmannDirector - THRU 12/24; PRES - AS OF 1/25
Kathy McgurranSecretary - as of 07/24
Dan WoodSecretary - Thru 07/24
Paul KyleTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$247,875
Program Service Revenue
$264,935
Investment Income
$25,901
Other Revenue
$179,862
All Other Contributions
$247,875
Change in Net Assets
$202,738
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$451,742
Salaries, Compensation, and Employee Benefits$64,093
Total Fundraising Expense$12,973
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Fees for Services Other$88,150$18,601-$106,751
Other Salaries and Wages$26,480$13,240$4,413$44,133
All Other Expenses$26,973$15,319$1,328$43,620
Occupancy$38,028$716$220$38,964
Depreciation Depletion$25,185$6,784$2,261$34,230
Office Expenses$30,938$1,909$1,287$34,134
Other Expenses$19,583$4,041-$23,624
Insurance$10,164$5,815$1,354$17,333
Other Employee Benefits$8,174$4,054$1,351$13,579
Advertising$9,606$551$121$10,278
Travel-$8,034-$8,034
Fees for Services Accounting-$7,800-$7,800
Payroll Taxes$2,020$1,010$337$3,367
Pension Plan Contributions$1,809$904$301$3,014
Information Technology$892--$892
Conferences and Meetings-$38-$38
Total Functional Expenses$373,710$129,152$12,973$515,835
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
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
Loans from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Receivables from Disqualified Persons$0$0→ $0
Receivables from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
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
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
Yes
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 6

Organization's members eaa vintage aircraft association, inc. Is a group of about 6,000 members who support safety, retention and restoration of antique and historical aircrafts.

Form 990, Part VI, Section A, Line 7A

Member rights eaa vintage aircraft association, inc. Members may vote, either directly or via proxy for board members.

Form 990, Part VI, Section A, Line 7B

Approval rights any substantial distribution of assets, change of purpose or alteration to governing documents must be approved by the membership.

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

Process the organization uses to review form 990 the filing organization utilizes an independent accounting firm to complete the form 990 and related schedules. A draft copy of the form 990 was sent electronically to the eaa vintage aircraft association, inc. Board for their review and a copy of the final form 990 was sent to the board prior to filing with the irs.

Form 990, Part VI, Section B, Line 12C

Organization's policy regarding conflict of interest policy all officers, directors, and key employees are required to sign the organization's conflict of interest policy. Any disclosures noted are reviewed by the executive director to determine if the subject matter of disclosure is deemed to be a conflict of interest.

Form 990, Part VI, Section C, Line 19

Organization's policy regarding making certain documents public eaa vintage aircraft association, inc. Makes its documents available to the public upon request.

Filing and Contact Details

Filer

Filer Name
Eaa Vintage Aircraft Association Inc
EIN
23-7240830
Phone
9204264800
Address
3000 POBEREZNY ROAD, OSHKOSH, WI 54902

Signing Officer

Name
John Hofmann
Title
President
Phone
9204264800
Signed
2025-12-09
Discuss with paid preparer
Yes

Organization Details

Principal Officer
John Hofmann
Formed
1972
Legal Domicile
Wi
Voting Board Members
11
Independent Board Members
11
Employees
1
Volunteers
564

Preparer

Firm
Grant Thornton Advisors LLC
Address
2501 E ENTERPRISE AVE SUITE 300, APPLETON, WI 54913
Preparer
Kelcey Leitl
Phone
9209686700
Supplemental Narrative

Additional Explanations

PART V, LINE 2A:

Number of employees on form w-3 the number of employees on form w-3 is the total employee count for the filing organization. While experimental aircraft association, inc. Is the common paymaster for eaa vintage aircraft association, inc., the number of employees only includes the employee count for eaa vintage aircraft association, inc.

Form 990, Part IX, Line 11G

Publication editorial: program service expenses 71,816. Total expenses 71,816. Administrative fee: program service expenses 7,938. Management and general expenses 17,584. Total expenses 25,522. Airventure performers: program service expenses 8,396. Total expenses 8,396. Other: management and general expenses 1,017. Total expenses 1,017.

Raw XML AppendixShowing 400 of 585 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt130
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt120
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IRS990/Form990PartVIISectionAGrp/TitleTxt0PRESIDENT - THRU 12/24
IRS990/Form990PartVIISectionAGrp/TitleTxt1DIR - THRU 12/24; PRES - AS OF 1/25
IRS990/Form990PartVIISectionAGrp/TitleTxt2VICE-PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt3SECRETARY - THRU 07/24
IRS990/Form990PartVIISectionAGrp/TitleTxt4SECRETARY - AS OF 07/24
IRS990/Form990PartVIISectionAGrp/TitleTxt5TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt6DIRECTOR - THRU 07/24
IRS990/Form990PartVIISectionAGrp/TitleTxt7DIRECTOR - AS OF 07/24
IRS990/Form990PartVIISectionAGrp/TitleTxt8DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt9DIRECTOR - AS OF 07/24
IRS990/Form990PartVIISectionAGrp/TitleTxt10DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt11DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt12DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt13DIRECTOR
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IRS990/MoreThan5000KToOrgInd00
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IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt0904
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IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt12396
IRS990/ProgSrvcAccomActy2Grp/Desc0ANNUAL CONVENTION AT AIRVENTURE - AT EAA AIRVENTURE, MEMBERS AND GUESTS HAVE THE OPPORTUNITY TO LEARN ABOUT CLASSIC AIRCRAFT AND CAN SHARE THEIR KNOWLEDGE AND SKILLS IN THE RESTORATION AND BUILIDING OF VINTAGE AIRCRAFT. DAILY FORUMS, DAILY VINTAGE IN REVIEW PRESENTATIONS AND THE HISTORY OF VINTAGE AIRCRAFT COME ALIVE THROUGH EDUCATIONAL TRAM TOURS.
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt0135516
IRS990/ProgSrvcAccomActy3Grp/Desc0MEMBERSHIP SERVICES - COSTS ASSOCIATED WITH ASSISTING MEMBERS WITH IDENTIFYING, VALUING AND RESTORING ANTIQUE AIRCRAFT, PROMOTING MEMBERSHIP IN THE ORGANIZATION AND ACKNOWLEDGING MEMBER ACHIEVEMENTS.
IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt067998
IRS990/ProgSrvcAccomActy3Grp/RevenueAmt0265535
IRS990/ProhibitedTaxShelterTransInd00
IRS990/PYBenefitsPaidToMembersAmt00
IRS990/PYContributionsGrantsAmt0332248
IRS990/PYExcessBenefitTransInd00
IRS990/PYGrantsAndSimilarPaidAmt00
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IRS990/SavingsAndTempCashInvstGrp/EOYAmt01556374
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt05862
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IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt03165

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