2025-03-31T13:22:09-07:00 2024-06-30 813385673 Bowers OConnor & AssociatesLLP 1981 N Broadway Suite 245 Walnut Creek CA 94596 990 2023-07-01 943226411 HILLER AVIATION INSTITUTE HILL 6506540200 601 SKYWAY ROAD SAN CARLOS CA 94070 Jon Welte CEO 2025-03-31 true true Greg Reynolds P01993868 9254332277 2023 2025-03-06 01:10:19Z 601 SKYWAY ROAD SAN CARLOS CA 94070 3730987 false X WWW.HILLER.ORG X 1995 CA THE HILLER AVIATION MUSEUM USES aviation to inspire adventure and innovation while using science to explore how dreams of flight become a reality 22 21 64 398 0 446042 360550 2022061 2380430 29137 172818 573871 477335 3071111 3391133 0 0 1623884 1696640 0 219674 1462815 1554893 3086699 3251533 -15588 139600 14229767 14860057 842340 934561 13387427 13925496 THE HILLER AVIATION MUSEUM USES aviation to inspire adventure and innovation while using science to explore how dreams of flight become a reality false false 2614480 2380430 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 AND HOW THE DREAM OF FLIGHT IS MADE INTO REALITY.THROUGH EXHIBITS AND EXTENSIVE INQUIRY-BASED PROGRAMS THAT INVESTIGATE SCIENCE, AVIATION AND TECHNOLOGY SUBJECTS, THE INSTITUTE DELIVERS LEARNING EXPERIENCES TO A WIDE AUDIENCE, INCLUDING ADULTS, CHILDREN, AND SCHOOL GROUPS. MORE THAN 85,000 VISITORS COME TO OUR EXHIBITS AND EVENTS ANNUALLY. 2614480 true true false false false false false true false true true false false true true false true false false false false false false false true false false false false false false false false false false false false false false false false false false false false false false true 21 0 true 64 true false false false false false false false 0 false false false false false false false X 22 21 false false false false false false false true true false false true true true true true true false false false CA X JON WELTE 6506540200 601 SKYWAY ROAD SAN CARLOS CA 94070 Jon Welte CEO 40.00 0.00 X 146207 0 0 WILLIAM TURNER VICE PRESIDENT-OPERATIONS/MARKETING 40.00 0.00 107348 0 0 STEPHEN S HILLER Chairman 1.00 0.00 X 0 0 0 RICHARD GOSTYLA BOARD MEMBER 1.00 0.00 X 0 0 0 MATT CHAMPION BOARD MEMBER 1.00 0.00 X 0 0 0 MANUEL TERRANOVA vice chairman 1.00 0.00 X 0 0 0 SCOTT CRONCE BOARD MEMBER 1.00 0.00 X 0 0 0 BOB GRASSILLI BOARD MEMBER 1.00 0.00 X 0 0 0 CHRIS LEE BOARD MEMBER 1.00 0.00 X 0 0 0 MUBARIK IMAM BOARD MEMBER 1.00 0.00 X 0 0 0 OLIVER COOLIDGE BOARD MEMBER 1.00 0.00 X 0 0 0 CARLA LEIBOWITZ BOARD MEMBER 1.00 0.00 X 0 0 0 CHARLES LITCHFIELD BOARD MEMBER 1.00 0.00 X 0 0 0 RICK ELLINGER BOARD MEMBER 1.00 0.00 X 0 0 0 BOB LUNDY BOARD MEMBER 1.00 0.00 X 0 0 0 MARK JON BLUTH BOARD MEMBER 1.00 0.00 X 0 0 0 ROBERT MACLEAN BOARD MEMBER 1.00 0.00 X 0 0 0 TINA SRIVASTAVA BOARD MEMBER 1.00 0.00 X 0 0 0 MICHELLE WILLIAMS BOARD MEMBER 1.00 0.00 X 0 0 0 KIRSTEN KOMOROSKE Secretary 1.00 0.00 X 0 0 0 HANK SCHERF BOARD MEMBER 1.00 0.00 X 0 0 0 KATE WORMINGTON BOARD MEMBER 1.00 0.00 X 0 0 0 MATT CROCE BOARD MEMBER 1.00 0.00 X 0 0 0 253555 2 false false false 0 195315 165235 360550 EDUCATIONAL PROGRAMS 1189106 1189106 MUSEUM MEMBERSHIP DUES 364214 364214 TICKET SALES 827110 827110 2380430 152818 152818 0 0 325218 325218 325218 325218 20000 20000 20000 20000 57769 195315 121502 -63733 -63733 0 434202 218352 215850 215850 0 3391133 2705648 324935 0 0 0 0 253556 25356 126778 101422 0 1210434 1091756 70357 48321 0 116974 89258 15751 11965 115676 88268 15576 11832 0 0 20025 20025 0 0 0 32726 14642 6319 11765 88703 88628 75 20852 16321 1831 2700 166951 158246 3307 5398 0 87388 87388 17633 17248 385 0 0 6610 6610 0 200403 200403 74559 1190 73369 EDUCATIONAL PROGRAM 207142 207142 UTILITIES 149723 104530 45193 JANITORIAL SERVICES 115354 105428 6094 3832 BANK AND CREDIT CARD CHARGES 93632 63511 24694 5427 273192 248555 7700 16937 3251533 2614480 417379 219674 1368795 1546067 0 20000 0 0 0 0 0 72183 56659 80675 129834 6885054 4939401 2108141 1945653 3232809 3834680 0 0 0 7347164 7347164 14229767 14860057 108145 102348 604048 703566 72996 47780 57151 80867 842340 934561 X 10654876 11198383 2732551 2727113 13387427 13925496 14229767 14860057 139600 398469 X false true X true false X 340372 357352 779313 547312 549449 2573798 1274422 672636 1720151 2097521 2450419 8215149 0 0 0 1614794 1029988 2499464 2644833 2999868 10788947 0 0 10788947 13200 11151 30288 73779 99987 228405 0 13200 11151 30288 73779 99987 228405 0 266823 8957 189689 393177 325218 1183864 1894817 1050096 2719441 3111789 3425073 12201216 0.88430 0.87650 0.01870 0.01260 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED X false 2611539 469841 111817 17878 2951685 2295215 18328 410717 96806 15915 2611539 2654840 -219096 123169 17360 2295215 2163956 605960 95792 19284 2654840 2227184 49392 88465 24155 2163956 true false false 5319299 3515562 1803737 9245 9245 1556510 1414594 141916 1945653 OTHER ASSETS 7347161 Rounding 3 7347164 ACCRUED OTHER 75202 GIFT CERTIFICATES OUTSTANDING 5665 80867 4007955 398469 398469 3609486 -218353 -218353 3391133 3469886 218353 218353 3251533 3251533 Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o Collection of aircraft engines and other displaysOwned - Purchased aircraft, engines and artifacts are recorded at cost. Contributed aircraft, engines and artifacts are recorded at the donor's valuation at the date of donation. If the donor does not specify a value, the Institute records the donation with a value of $1. These items are considered collectibles and therefore are not depreciated.On loan - A substantial portion of the items on display at the Institute are on loan, either permanently or under agreements which provide for a termination date. The Institute is responsible for preserving and insuring items on loan and in some cases for restoring the item. These items are valued at historical amounts established for insurance purposes by the lender. The value assigned to the loaned items as of June 30, 2024 is $6,682,798. This amount has not been recorded in the accompanying financial statements. Part III, Line 4: Description of organization's collections and how it furthers its purpose. THE INSTITUTE'S MISSION IS TO USE AVIATION AS A GATEWAY FOR PEOPLE TO EMBRACE ADVENTURE AND INNOVATION WHILE USING TOOLS OF SCIENCE TO EXPLORE HOW THE PHYSICAL WORLD WORKS AND HOW THE DREAM OF FLIGHT IS MADE INTO REALITY. THROUGH EXHIBITS AND EXTENSIVE INQUIRY-BASED PROGRAMS THAT INVESTIGATE SCIENCE, AVIATION AND TECHNOLOGY SUBJECTS, THE INSTITUTE DELIVERS LEARNING EXPERIENCES TO A WIDE AUDIENCE INCLUDING ADULTS, CHILDREN AND SCHOOL GROUPS. Part V, Line 4: Intended uses of the endowment fund. The endowment fund was established to support the museum's operations. Part XII, Line 2d: Other expenses and losses per audited F/S cogs $218353 false GALA/FUN RUN 253084 195315 57769 121502 253084 195315 57769 121502 121502 -63733 Form 990, Part VI, Section B, Line 11b The 990 is prepared by the CPA firm and provided to the Executive Director for review. A copy of the 990 will be emailed to all Board members. Form 990, Part VI, Section B, Line 12c Activities of Board members are transparent in terms of assignments and tasks they conduct on behalf of the museum. Any potential conflict is noted in committee meetings when tasks are assigned. Form 990, Part VI, Section C, Line 19 Granting agencies that provide, or may provide, funds to the museum receive financial documents including past 990 forms and statements of financial activity. The 990 is available by request and via Guidestar.org