William Goldenzweig, 57, a Washington insurance executive, was killed Sunday when the private plane he was piloting crashed in Mansfield, Ohio. He was on a business trip.

Officials in Ohio said that Mr. Goldenzweig tried to land his plane during a snowstorm and crashed near the runway. A passenger, Joseph S. Ambrose of Greenbelt, was listed in poor condition in the intensive-care unit of Mansfield General Hospital, a hospital spokesman said.

Mr. Goldenzweig joined Lincoln National Life Insurance in 1948 and had been vice president of C. T. Hellmuth & Associates, Lincoln's Washington-area office, since about 1970.

In 1973, he was given the local life insurance industry's highest annual award, the Wilner Memorial Award, in recognition of his work in insurance education.

Mr. Goldenzweig had taught courses in chartered life underwriting since 1959 and codeveloped a course in life insurance and estate planning at George Washington University. He also had taught at American University and Montgomery College.

During the 1960s he had served as president of the Life Insurance Club, the D.C. chapter of the American Society of Chartered Life Underwriters, and the D.C. Life Underwriters Association.

He was given te Miles W. McNally fellowship by the American Society of Chartered Life Underwriters in 1972. He was a life member of the Million Dollar Roundtable of the National Association of Life Underwriters.

Mr. Goldenzweig was born in Brooklyn, N.Y., and came to Washington at an early age. He had lived in Silver Spring for more than 30 years before moving to Rockville in June.

A graduate of Eastern High School, he earned a bachelor's degree at the University of Maryland in 1943.

He was an officer in the 94th Infantry Division in Europe during World War II, and retired from the Army reserves with the rank of colonel in June 1970.

Mr. Goldenzweig was president of the Toastmasters Club in Washington from 1959 to 1960.

He is survived by his wife, Miriam, and a son, Michael A., both of Rockville, and another son, Bernard S., of Maple Shade, N.J.