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Nonprofit · EIN 65-0890898

MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED

Also known as EAA CHAPTER 1241

Tax-exempt · MARATHON, FL 33050

Address and contacts

Address (IRS master file)
843 COPA D ORO, MARATHON, FL 33050-2402
Mailing address (990-N for 2025)
843 COPA D ORO, Marathon FL 33050
Principal officer (990-N for 2025)
mary ellen operchal, 843 copa de oro, marathon FL 33050

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025No data
2023December 31, 2023May 15, 2024No data

IRS record

EIN
65-0890898
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2001
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: mary ellen operchal
December 31, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.

Questions about MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED

What is the EIN of MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED?
The employer identification number (EIN) of MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED is 65-0890898.
Is MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of MIDDLE KEYS EXPERIMENTAL AIRCRAFT ASSOCIATION INCCORPORATED?
The 990-N for 2025 names mary ellen operchal.

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