Mission
THE HILLER AVIATION MUSEUM USES aviation to inspire adventure and innovation while using science to explore how dreams of flight become a reality
Public Charity
HILLER AVIATION INSTITUTE
Based in SAN CARLOS, CA, HILLER AVIATION INSTITUTE operates as a Public Charity. The organization reported $3.9M in revenue, $3.6M in expenses, $15.6M in total assets for fiscal year 2025. Imperigo tracks 34 reported grant relationships connected to this organization totaling approximately $3.5M.
EIN: 943226411
SAN CARLOS, CA
History Museums
NTEE: A54
Latest filing: 2025
Total Revenue$3.9M
Total Expenses$3.6M
Total Assets$15.6M
Grant Records34
Funding Total$3.5M
Filing Years2021–2025
Where $100 goes at Hiller Aviation Institute
How Hiller Aviation Institute divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$80
Programs
the work itself
$14
Management
running the organization
$6
Fundraising
raising the next dollar
Inside the $80 for programs
$80
The hiller aviation museum uses aviation as a gateway for people to embrace adventure and innovation while using tools of science to explore how the physical world works…
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
ARTS, CULTURE & HUMANITIES
$46,200
CULTURE & ARTS
$20,250
GENERAL SUPPORT
$10,326
For grant recipient's exempt purposes
$6,905
GENERAL SUPPORT
$5,446
Showing up to 5 of 34 total records — full history available with membership.
Officers & Directors
BOARD MEMBER
Bob Grassilli
BOARD MEMBER
Bob Lundy
BOARD MEMBER
Carla Leibowitz
BOARD MEMBER
Charles Litchfield
BOARD MEMBER
Chris Lee
BOARD MEMBER
Hank Scherf
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $3.9M | $3.6M | $15.6M |
| 2024 | $3.4M | $3.3M | $14.9M |
| 2023 | $3.1M | $3.1M | $14.2M |
| 2022 | $3.2M | $2.7M | $13.8M |
| 2021 | $1.5M | $1.7M | $14.0M |
Between 2021 and 2025, reported annual revenue grew from $1.5M to $3.9M (+162%), with total assets most recently reported at $15.6M.
Interactive year-over-year charts and full filing details available with membership.