SEARCY, Ark. (BNc) — Kenneth Robertson died at approximately 4 a.m. Tuesday, Aug. 31 when the air medical helicopter he was piloting crashed near Clinton, Ark. Robertson and two other crew members, Kenneth Meyer, Jr., and Gayla Gregory, were killed.

The cause of the crash has not been released. Officials with the Federal Aviation Administration (FAA) and the National Transportation Safety Board have created a three-nautical-mile restricted fly zone around the site to begin their formal investigation.

Robertson, a graduate from Texas A&M University, was a U.S. Marine Corps pilot for 10 years, serving in Kuwait and the Middle East. He retired as a Navy aircraft mechanic.

Robertson, 35, is survived by his wife of 10 years, Angie Robertson; two sons, Kale and Archie; one daughter, Abby; his parents, Marvin and Hiroko Robertson of Searcy; a brother, Wilson Robertson and his wife Tonya of Austin, Texas; two sisters, Andrea Baker and her husband Jay of Springfield, Missouri, and Jill Robertson of Shizuoka, Japan; in-laws, Wade and Sandra Green of Nashville, Tennessee; one brother-in-law, Joseph Green and his wife Maggie of Nashville, Tennessee; three nephews, four nieces, and one honorary brother, Mike Owen and his wife Amanda of Ewa Beach, Hawaii; and many friends and a large college-student family.

Visitation will be Friday, Sept. 3 from 6 to 8 p.m. at the Powell Funeral Home of  Searcy. Memorial services will be help on Saturday, Sept. 4 at 9 a.m. at the the Downtown Church of Christ where he was a member.