PACIFIC HISTORIC PARKS

Financials

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended September 30, 2025, highest compensation first.

Address and contacts

Address (IRS master file)

94-1187 KA UKA BLVD, WAIPAHU, HI 96797-4484

Principal officer (990 for 2024)

AILEEN UTTERDYKE, 94-1187 KA UKA BLVD, WAIPAHU, HI 96797

Signed the 990

AILEEN UTTERDYKE, PRESIDENT & CEO

Phone

(808) 954-8777

Website

WWW.PACIFICHISTORICPARKS.ORG

Return prepared by

TRUSTA AAC

Mission

TO SUPPORT THE NATIONAL PARK SERVICE AND HAWAII'S DEPARTMENT OF LAND AND NATURAL RESOURCES, THROUGH RESEARCH, PRESERVATION, RESTORATION, FUND DEVELOPMENT, EDUCATION, AND INTERPRETIVE PROGRAMS OF WORLD WAR II IN THE PACIFIC AND OTHER PACIFIC HISTORIC SITES.

Program accomplishments

• PEARL HARBOR NATIONAL MEMORIAL ("PHNM") AT PEARL HARBOR (OAHU, HI), ONE OF OUR NATION'S MOST SACRED SITES, SERVES AS A CONSTANT REMINDER OF THE VALOR, COURAGE, AND SACRIFICES OF THE "GREATEST GENERATION" THAT FOREVER CHANGED THE COURSE OF OUR NATION AND THE WORLD.PACIFIC HISTORIC PARKS, ("PHP") IS THE COLLABORATIVE PARTNER OF THE NATIONAL PARK SERVICE ("NPS"), WE ARE DEDICATED TO ENSURING THAT FUTURE GENERATIONS WILL HONOR AND BE INSPIRED BY ALL THAT OCCURRED IN THE HALLOWED GROUNDS OF PHNM. IN ADDITION TO THE STANDARDS-BASED, ONSITE EDUCATIONAL CURRICULUM PROVIDED TO SCHOOL AGE CHILDREN FROM AROUND THE WORLD, PHP ALSO SUPPORTS ONGOING RESEARCH, RESTORATION, PRESERVATION, AND INTERPRETIVE PROGRAMS.PHP OPERATES MUSEUM STORES AT ALL OF OUR LOCATIONS AND OFFERS INTERPRETIVE MERCHANDISE THAT HIGHLIGHT THE MANY WORLD WAR II EVENTS THAT FOREVER CHANGED OUR HISTORY. PROGRAM STAFF ARE TRAINED TO LEAD AND ASSIST IN EDUCATION AND INTERPRETIVE PROGRAMS. THROUGH PARTNERSHIPS, TECHNOLOGY, AND VOLUNTEER STEWARDSHIP, PHP WAS ABLE TO OFFER UNIQUE AND INNOVATIVE OPPORTUNITIES FOR LEARNING ABOUT THE PAST. THE PROGRAMS REFLECT THE STORIES FOUND AT THE HISTORICAL SITES, WHICH SERVE AS REMINDERS OF ENDURING PEACE AND THE HEALING THAT IS STILL ONGOING. PHP PROGRAMS HAVE ENABLED PEOPLE THROUGHOUT THE WORLD TO LEARN ABOUT THE PACIFIC THEATER CAMPAIGNS OF WORLD WAR II AT THEIR NATIONAL PARKS.PHP OFFERED AUDIO, VIRTUAL REALITY, AND DIGITAL EDUCATION TOURS AT PHNM. THESE TOURS PROVIDE AN IN-DEPTH EDUCATIONAL EXPERIENCE IN THE FORM OF VARIOUS NARRATIONS, TEXT, IMAGES, AND VIDEOS. THE TOURS INCLUDE MORE THAN 20 POINTS OF INTEREST AROUND THE PARK AND ON THE USS ARIZONA MEMORIAL. THEY ARE AVAILABLE IN NUMEROUS LANGUAGES THAT SERVE AS A DIGITAL RANGER, PROVIDING INTERNATIONAL VISITORS WITH THE OPPORTUNITY TO EXPERIENCE AND LEARN ABOUT PEARL HARBOR IN THEIR NATIVE LANGUAGE. THIS INCLUDES INTERACTIVE EXHIBITS AVAILABLE ONSITE, ONLINE, AND THROUGH MOBILE DEVICES; AS WELL AS A MIGRATION TO AN INTERACTIVE, GUIDED TOUR, AND A SMART SEARCHABLE ONLINE NATIONAL DATABASE. THIS WILL ALSO PROVIDE THE FOUNDATION FOR CONTENT MANAGEMENT, PUBLIC ACCESS, AND ONGOING EDUCATION.THIS YEAR, THE PEARL HARBOR NATIONAL MEMORIAL SAW AN AVERAGE NUMBER OF VISITORS OF ABOUT 1.5 MILLION.PHP ALSO SUPPORTS THE CURATORIAL PROGRAM AT PEARL HARBOR NATIONAL MEMORIAL. IN ADDITION TO CATALOGING AND PROTECTING DOCUMENTS, PHOTOGRAPHS, AND OBJECTS IN THE PARK'S COLLECTION, PHP CREATED A CONTENT MANAGEMENT SYSTEM THAT IS BEING BUILT TO SERVE AS A GATEWAY TO HISTORY, A TECHNOLOGY THAT WILL ALLOW THE PUBLIC TO SEE WHAT EXISTS IN THE ARCHIVES OF THE PARK.DIAMOND HEAD STATE MONUMENT (DHSM), LOCATED IN HAWAII, IS A PHP PARTNER PARK. IT IS AMONG ONE OF THE MOST VISITED SITES IN THE STATE, WITH OVER 1 MILLION VISITORS EACH YEAR. PHP PROVIDES INFORMATION TO VISITORS AND A NARRATED TOUR IN ENGLISH, JAPANESE, CHINESE, KOREAN, GERMAN, FRENCH, SPANISH, AND HAWAIIAN. OUR RETAIL KIOSK PROVIDES INFORMATIONAL MERCHANDISE THAT HIGHLIGHTS THE MANY INTERPRETIVE POINTS WITHIN THE PARK. PHP SUPPORTS KALAUPAPA NATIONAL HISTORICAL PARK AND ITS VOLUNTEERS IN THE PARKS (VIP) PROGRAM, PROVIDING OPPORTUNITIES FOR STUDENTS, CHURCH GROUPS, NONPROFIT ORGANIZATIONS, CIVIC CLUBS, HAWAIIAN ORGANIZATIONS, AND SENIORS TO MAKE A DEEPER CONNECTION TO KALAUPAPA AS A SPECIAL AND SACRED PLACE THROUGH HANDS ON WORK. PHP HELPS SUPPORT THE CONSERVATION OF CRITICAL RESOURCES, SUCH AS THE PRESERVATION OF GRAVE MARKERS FOR THE THOUSANDS OF PATIENTS TREATED AT KALAUPAPA AND REHABILITATION OF THE ST. PHILOMENA CHURCH IN THE SETTLEMENT. KALAUPAPA CLOSED DOWN IN MID MARCH 2020 DUE TO THE PANDEMIC AND HAD A SMALL AMOUNT OF VISITORS IN SEPTEMBER WITH AN EXPANSION OF THE TOURS PLANNED FOR FY 2026.
  Expenses $5,841,012 · revenue $8,724,946
• PHP IS DEDICATED TO PRESERVING AND SHARING THE HISTORY OF WORLD WAR II THROUGH EDUCATION, COMMEMORATION, AND COMMUNITY ENGAGEMENT. EACH YEAR, PHP COLLABORATES WITH LOCAL, NATIONAL, AND INTERNATIONAL PARTNERS TO HOST MEANINGFUL PROGRAMS, DEVELOP INNOVATIVE EDUCATIONAL RESOURCES, AND HONOR THE LEGACY OF THOSE WHO LIVED THROUGH THIS PIVOTAL PERIOD. THROUGH EVENTS, GRANTS, AND PARTNERSHIPS, PHP CONTINUES TO INSPIRE FUTURE GENERATIONS WITH STORIES OF RESILIENCE, SACRIFICE, AND PEACE."LIVING THE LEGACY OF PEARL HARBOR" PROGRAM PROVIDES THE OPPORTUNITY FOR LOCAL, MAINLAND AND INTERNATIONAL STUDENTS IN PRE-K TO HIGHER EDUCATION, EDUCATORS, INDIVIDUALS, AND ORGANIZATIONS OF ANY DISCIPLINE, THE OPPORTUNITY TO VISIT PEARL HARBOR NATIONAL MEMORIAL AND INTERACT WITH AN EDUCATION COORDINATOR THROUGH WORLDWIDE LONG-DISTANCE LEARNING AND VIDEO CONFERENCING VIA ZOOM. A VIRTUAL FIELD TRIP AT THE PARK WILL INVOLVE INTERACTION WITH STUDENTS, EDUCATORS, AND VOLUNTEERS AND/OR A CIVILIAN EYEWITNESS OF THE PEARL HARBOR ATTACK.PHP ALSO PROVIDES THE 'WISHES & DREAMS' PROGRAM WHICH FULFILLS THE WISHES OF CHILDREN WITH LIFE-THREATENING MEDICAL CONDITIONS, IN PARTNERSHIP WITH MAKE-A-WISH HAWAII AND SIMILAR ORGANIZATIONS. THIS FISCAL YEAR, PHP WELCOMED 492 GUESTS. CUSTOMIZED TOURS AT THE PEARL HARBOR NATIONAL MEMORIAL ARE TAILORED TO EACH CHILD'S AGE, INTERESTS, AND CONNECTIONS TO WWII HISTORY.GRANT FUNDING IS ESSENTIAL TO ADVANCING PHP'S MISSION OF EDUCATION AND PRESERVATION. THIS FISCAL YEAR, PHP CONTINUED ITS MEANINGFUL GRANT WORK WITH THE 'HONOULIULI REVEALED,' PROJECT. THIS DIGITAL LEARNING PLATFORM WILL EXPLORE JAPANESE AMERICAN EXPERIENCES IN WWII HAWAI'I. THIS PLATFORM WILL INCLUDE AN INTERACTIVE MAP, SOLDIER PROFILES, AND THREE EDUCATIONAL VIDEO SHORTS WITH CURRICULUM GUIDES. THESE GRANTS ENSURE PHP CONTINUES TO PROVIDE INNOVATIVE AND ACCESSIBLE EDUCATIONAL OPPORTUNITIES FOR DIVERSE AUDIENCES. FY 25 ALSO SEES THE CONTINUATION OF THE ALEXANDER 'SANDY' GASTON GRANT IN THE AMOUNT OF $77,884.00 THE "GASTON FUND" SUPPORTS EDUCATIONAL OPPORTUNITIES FOR HAWAI'I YOUTH BY PROVIDING ACCESS TO MUSEUM TOURS OF THE FOUR PEARL HARBOR HISTORIC SITES. THANKS TO THIS GRANT, PHP FACILITATED EDUCATIONAL VISITS FOR 41 HAWAI'I-BASED SCHOOLS, ENGAGING NEARLY 3,000 STUDENTS IN LEARNING ABOUT PEARL HARBOR'S HISTORY. THE GRANT SPECIFICALLY COVERS COSTS FOR TRANSPORTATION, ADMISSION FEES, AND LUNCHES TO ENSURE THAT NEITHER STUDENTS, PARENTS, NOR SCHOOLS BEAR ANY FINANCIAL BURDEN TO VISITING THIS HISTORIC LANDMARK.EACH YEAR, PHP DELIVERS MISSION-DRIVEN EDUCATIONAL PROGRAMS AND EVENTS AT THE PEARL HARBOR NATIONAL MEMORIAL. IN FY2024, HIGHLIGHTS INCLUDED THE USS UTAH SUBMARINE PROGRAM (DEC 5), POETRY IN THE PARKS (JAN 14), ROSIE THE RIVETER DAY (MAR 21), GAIL OKAWA MEMORIAL DAY PRESENTATION (MAY 24), AND THE PARKS FOR PEACE STUDENT EXCHANGE TO HIROSHIMA (AUG 1-6). THESE PROGRAMS BROUGHT NATIONAL AND INTERNATIONAL YOUTH TO THE PARK, FOSTERING CONNECTIONS TO WORLD WAR II HISTORY. EVENTS FOCUSED ON THEMES OF EDUCATION, COMMEMORATION, AND CULTURAL EXCHANGE. THROUGH THESE EFFORTS, PHP CONTINUES TO INSPIRE FUTURE GENERATIONS WITH THE LESSONS OF THE PAST."PRESERVING PERSONAL STORIES AND EXPERIENCES OF WORLD WAR II REMAINS A CORE FOCUS FOR PHP. ACQUIRING PRIMARY SOURCE MATERIALS AND CURATORIAL ITEMS ENSURES THESE HISTORIES ARE SAFEGUARDED FOR FUTURE GENERATIONS. WITH THE NUMBER OF PEARL HARBOR SURVIVORS AND WWII VETERANS DECLINING, RECORDING ORAL HISTORIES IS CRITICAL TO CAPTURING THEIR VOICES. PHP'S HISTORY TALKS AND HIDDEN HISTORIES SERIES FURTHER ENHANCES THIS MISSION BY DELIVERING LIVE, INTERACTIVE VIRTUAL EDUCATION AND INTERPRETIVE WEBINARS TO GLOBAL AUDIENCES.PHP COLLABORATES WITH LOCAL AND NATIONAL ORGANIZATIONS TO ENGAGE YOUTH THROUGH EDUCATIONAL PROGRAMS. HIGHLIGHTS INCLUDE THE PEACE CRANE FOLDING ACTIVITY AT THE PEARL HARBOR VISITOR CENTER, ENGAGING UP TO 400 GUESTS PER ACTIVITY. OTHER INITIATIVES INCLUDE KIDS TO PARKS DAY WITH DLNR, FEATURING WWII-THEMED ACTIVITIES AT DIAMOND HEAD STATE PARK, AND A COLLABORATION WITH UH MANOA TO CREATE A VR PROGRAM AND ESSAY CONTEST FOR ROTC STUDENTS.PHP SUPPORTS THE ANNUAL COMMEMORATION OF THE DECEMBER 7, 1941, ATTACK ON PEARL HARBOR THROUGH CEREMONIES, LECTURES, AND GATHERINGS THAT HONOR SURVIVORS AND WWII VETERANS. THE DECEMBER 2024 EVENT, MARKING THE 83RD ANNIVERSARY, WAS HELD IN PERSON AND ATTENDED BY OVER 3,000 PEOPLE. PHP CONTRIBUTED TO NEW ELEMENTS OF THE CEREMONY, INCLUDING SECURING PARTICIPATION FROM THREE JROTC STUDENT CADET BATTALIONS.ADDITIONALLY, PHP CO-LED THE BLACKENED CANTEEN CEREMONY, ATTENDED BY APPROXIMATELY 150 INDIVIDUALS, INCLUDING FOREIGN GOVERNMENT OFFICIALS, ACTIVE-DUTY MILITARY PERSONNEL, AND REPRESENTATIVES OF THREE FAITHS WHO OFFERED PRAYERS AND SHARED REFLECTIONS. HAWAI'I COMMUNITY LEADERS PROMOTING COOPERATION WITH JAPAN ALSO TOOK PART IN THIS MEANINGFUL EVENT.AT PEARL HARBOR NATIONAL MEMORIAL, WITH AN AVERAGE ANNUAL ATTENDANCE OF NEARLY 1.5 MILLION VISITORS, WE HELP MAINTAIN A HIGH STANDARD OF VISITOR SERVICES BY SUPPLYING NECESSARY MATERIALS.GUAM & SAIPAN DIVISION (PHP GUAM/SAIPAN) IS A REGIONAL DIVISION THAT SUPPORTS THE ORGANIZATION'S MISSION BY ADVANCING EDUCATION AND INTERPRETATION, HISTORIC PRESERVATION, AND PUBLIC ENGAGEMENT INITIATIVES SPECIFIC TO GUAM AND THE COMMONWEALTH OF THE NORTHERN MARIANA ISLANDS (CNMI).PHP GUAM/SAIPAN WORKS IN PARTNERSHIP WITH THE NATIONAL PARK SERVICE AT WAR IN THE PACIFIC NATIONAL HISTORICAL PARK - GUAM AND AMERICAN MEMORIAL PARK - SAIPAN, LOCAL GOVERNMENT AGENCIES SUCH AS THE MAYORS COUNCIL OF GUAM, EDUCATORS, CULTURAL PRACTITIONERS, AND COMMUNITY ORGANIZATIONS TO DEVELOP EDUCATIONAL PROGRAMS, INTERPRETIVE RESOURCES, AND OUTREACH HISTORY PROJECTS THAT HIGHLIGHT GUAM AND THE NMI'S UNIQUE WARTIME EXPERIENCE, CHAMORRO RESILIENCE, AND THE ISLANDS' ROLES IN THE BROADER PACIFIC THEATER OF WORLD WAR II.DURING THE REPORTING PERIOD, PHP GUAM LAUNCHED THE GUAM WORLD WAR II VIRTUAL REALITY EXPERIENCE AT THE 80TH LIBERATION OF GUAM COMMEMORATIVE EVENTS HELD AT THE GUAM MUSEUM IN JULY 2024. THE PROGRAM INCORPORATED STORYTELLING AND AN IMMERSIVE EXPERIENCE TO A BROADER AUDIENCE BY FEATURING ORAL HISTORIES OF THE CHAMORU PEOPLE. THROUGH VIRTUAL REALITY, YOUTH WERE ABLE TO FEEL CONNECTED TO THE PAST AND GAIN A DEEPER UNDERSTANDING OF OTHER PEOPLE'S EXPERIENCES AND PERSPECTIVES DURING WORLD WAR II. THE PROGRAM REACHED MORE THAN 5,000 BENEFICIARIES, INCLUDING STUDENTS, COMMUNITY MEMBERS, AND VISITORS, PROVIDING IMMERSIVE, PLACE-BASED LEARNING ABOUT GUAM'S WARTIME HISTORY.THE GUAM DIVISION ALSO EDITED AND PUBLISHED EVERY DAY I DREAM OF SUMAY: THRIVING IN THE FACE OF DISPLACEMENT AND EXILE IN POST-WAR GUAM AN EDUCATIONAL PUBLICATION DOCUMENTING THE HISTORY OF THE VILLAGE OF SUMAY, A ONCE THRIVING VILLAGE COMMUNITY THAT WAS HEAVILY IMPACTED DURING WORLD WAR II. IN 1941, SUMAY WAS BOMBED BY THE JAPANESE IMPERIAL ARMY. IN THE AFTERMATH OF THE WAR, THE U.S. NAVY CLAIMED SUMAY AND INCORPORATED ITS LANDS INTO WHAT BECAME NAVAL BASE GUAM, DISPLACING THE PEOPLE OF THE VILLAGE AND PREVENTING THE VILLAGE FROM BEING REBUILT. EVERY DAY I DREAM OF SUMAY DOCUMENTS THIS HISTORY AND ILLUSTRATES THAT WHILE SUMAY WAS ERASED AS A PHYSICAL PLACE, ITS PEOPLE AND THEIR MEMORIES OF THE VILLAGE CONTINUE TO LIVE ON. THE PUBLICATION WAS PREPARED FOR PRINTING AND DISTRIBUTION TO SCHOOLS ACROSS GUAM TO SUPPORT CLASSROOM LEARNING AND LOCAL HISTORY EDUCATION.IN MARCH 2024, PHP GUAM PRESENTED "INCLUSIVE STORYTELLING IN THE PACIFIC: COMMEMORATING INDIGENOUS STORIES THROUGH EDUCATION" AT THE PUBLIC LANDS ALLIANCE CONFERENCE IN SAN FRANCISCO, CALIFORNIA, REACHING APPROXIMATELY 100 ATTENDEES AND CONTRIBUTING TO PROFESSIONAL DIALOGUE ON INCLUSIVE PLACE BASED INTERPRETATION AND EDUCATION.A THIRD VIGNETTE WAS CREATED TO ESTABLISH A NEW DIGITAL MEDIA SERIES CALLED, "HASSO YAN ONRA" (REMEMBER AND HONOR), WHICH WILL EVENTUALLY BECOME A SERIES OF SHORT DOCUMENTARIES FEATURING CHAMORU SURVIVORS OF THE WAR WHO COURAGEOUSLY REBUILT THEIR LIVES FROM THE RUBBLE OF THEIR SURROUNDINGS. THE FIRST FILM IN THE SERIES FOCUSES ON THE EXPERIENCE OF A SURVIVOR WHO WAS FORCED BY THE JAPANESE MILITARY TO THE MAENGGON CONCENTRATION CAMP, WHERE FOOD AND SHELTER WERE SCARCE. THE FILM, "HASSO YAN ONRA: MAENGGON" HAS GARNERED THOUSANDS OF VIEWS AND IS AVAILABLE ONLINE AT THE PACIFIC HISTORIC PARKS WEBSITE.
  Expenses $1,507,459 · grants $1,482,461

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

IRS record

EIN

99-0194501

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

1980

Accounting year ends

September

Files

Form 990 or 990-EZ

Assets (IRS master file)

$31,392,878

Income (IRS master file)

$17,546,245

Filing history

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 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 (search EIN 99-0194501).

Questions about PACIFIC HISTORIC PARKS

What is the EIN of PACIFIC HISTORIC PARKS?

The employer identification number (EIN) of PACIFIC HISTORIC PARKS is 99-0194501.

Is PACIFIC HISTORIC PARKS tax-exempt?

Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.

Are donations to PACIFIC HISTORIC PARKS tax-deductible?

Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).

Which annual return does PACIFIC HISTORIC PARKS file?

Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.

When is the next return of PACIFIC HISTORIC PARKS due?

The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.

When did PACIFIC HISTORIC PARKS last file with the IRS?

The latest return in the IRS public files is the 990 for the year ended September 2025.

Who is the principal officer of PACIFIC HISTORIC PARKS?

The 990 for the year ended September 30, 2025 names AILEEN UTTERDYKE.

Who are the officers and directors of PACIFIC HISTORIC PARKS?

The 990 for the year ended September 30, 2025 lists 19 people; 5 received compensation from the organization, the highest $239,628 (AILEEN UTTERDYKE, PRESIDENT AND CEO).

How much revenue does PACIFIC HISTORIC PARKS have?

On its 990 for the year ended September 30, 2025 it reported revenue of $10,399,981, expenses of $8,602,130 and total assets of $31,392,878 at year end.

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