Longtime Aviation Executive Robert Harbstreit Dies at 89

Got story updates? Submit your updates here. ›

Robert Harbstreit, a longtime aviation executive and pilot who worked for the Cook Companies for over 30 years, has passed away at the age of 89 in his hometown of Washington, Indiana. Harbstreit, who learned to fly his father's plane at age 10, went on to become the personal pilot for the late William A. Cook and established several Cook-affiliated aviation businesses during his career.

Why it matters

Harbstreit's life and career highlight the rich aviation history and entrepreneurial spirit of the Midwest, as well as the enduring importance of family legacies and community ties, even for those who achieve success in the corporate world.

The details

After serving in the U.S. Army during the Korean Conflict, Harbstreit spent decades working in the financial management industry before transitioning into aviation. He became the personal pilot for William A. Cook and was responsible for establishing and leading several Cook-affiliated aviation companies, including the corporate flight department, an aircraft leasing firm, a fixed-base operation, and a travel services company. Harbstreit was also in charge of all company-owned vehicles at Cook.

• Harbstreit was born on April 6, 1936 on the family farm in Daviess County, Indiana.
• He learned to fly his father's airplane at the age of 10.
• Harbstreit served in the U.S. Army during the Korean Conflict.
• He worked in the financial management industry for many years before transitioning into aviation.
• Harbstreit passed away on March 17, 2026 at the age of 89.

What’s next

Harbstreit's funeral service will be held on Wednesday, March 25, 2026 at 11:00 a.m. at Ed L. Lee Mortuary in Washington, Indiana, with Pastor Tom Watson officiating.