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National Agricultural Aviation Association

Ralph Holsclaw, Operator in Woodland, Calif. & Donor of Smithsonian Ag-Cat, Passes

October 9, 2025
In 2005, Ralph and Lynne Holsclaw, joined by NAAA CEO Andrew Moore and 2005 NAAA President Jim Avery, discussed the Ag-Cat Museum location with museum curator Dorothy Cochrane.

We are saddened to share the passing of Ralph Holsclaw, Operator of Grower’s Air Service in Woodland, California. Ralph passed away on September 11 at the age of 84.

Ralph’s aviation career began early – while still in high school, he worked for Weggers Flying Service, Watts Ag Aviation, and Medlock Dusters. Later, he bought two operations to form Grower’s Air Service in 1977.

In 2005, Ralph contacted NAAA about donating his fully restored 1963 Ag-Cat. At the time, the Association was in discussions with Dorothy Cochrane, curator of general aviation at the Smithsonian Institution, regarding the exhibition of an agricultural aircraft. That conversation led to Ralph’s Ag-Cat being selected for permanent display at the Smithsonian’s National Air and Space Museum, Udvar-Hazy Center, in 2009. Since then, more than one million visitors each year have the chance to see that aircraft and learn about the critical role of agricultural aviation—thanks to Ralph’s generosity.

When speaking at the plane’s installation ceremony, Ralph deflected attention from himself. “This isn’t about me,” he said, as he acknowledged the men and women around him—especially those who had helped restore the aircraft. His humility and desire to recognize others made the moment all the more powerful. For Ralph, it was about the legacy and recognition of an industry he loved.

Ralph was a member of NAAA and the California Agricultural Aircraft Association for several decades.

He also served his country with distinction. As a sergeant in the U.S. Army, Ralph worked as a radio/telephone operator in the White House from 1959 to 1966. He was personally thanked by President John F. Kennedy for his service.

Ralph is survived by his wife, Lynne; stepson, Steven Eagen; stepdaughter, Deborah Borgan; and their families. A memorial service will be held at Medlock Field on Friday, November 14th, from 11 a.m. to 5 p.m.

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National Agricultural Aviation Association
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  • About
    • About Ag Aviation
      • Industry Facts, Environmental Benefits and FAQs
      • The Industry’s History
      • Ag Aviation Security
    • Board & Officers
    • NAAA Staff
    • NAAA Member Code of Conduct
    • State and Regional Associations
    • NAAA Professional Operating Guidelines
    • Related Entities (Industry Links)
    • Help – Knowledge Base
  • Ag Aviation Expo
    • Expo Details, Info & Overview
    • Schedule
    • Registration
    • Travel and Hotel
    • Exhibiting
    • Sponsors
    • Wire & Obstruction Course
    • Kickoff Breakfast
    • General Session
    • Live and Silent Auctions
    • Awards
  • Career
    • Become an Ag Pilot / Operator
    • Job Board
    • Flight Schools
    • Scholarships
    • Resources
      • NAAA Professional Operating Guidelines (POG)
      • Agricultural Airman Guidelines (AAG)
      • NAAA’s Guide to Starting a Part 137 Operation
      • National Aerial Applicator’s Manual
      • AC 137-1B Certification Process for Agricultural Aircraft Operators
      • 14 CFR Part 137 Regulations
  • Membership
    • Join NAAA / Renew
    • Member Benefits
    • Membership Categories
    • Health Insurance Benefits
  • Education
    • PAASS
    • CAA (formerly C-PAASS)
    • Fly Safe Messages
    • Operation SAFE
    • Online Courses
    • NAAREF & Donors
    • Ag Aviation Accidents
    • Leadership Training Program
    • Scholarships
    • More
  • Communications
    • Agricultural Aviation Magazine
    • NAAA eNewsletters
    • NAAA 365 App
    • Media Relations Kit
    • Media Center
    • NAAA Headlines
    • Industry Surveys
    • 100th Anniversary
    • NAAA’s 50th Anniversary Video
  • Policy
    • Environmental Issues
    • Tax Issues
    • Transportation Issues
    • Towers
    • Uncrewed Aircraft Systems
    • Wind Turbines
    • AgAv PAC
  • Calendar
  • Directory
  • Find an Aerial Applicator
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