Doug Larsen of North Dakota, his wife and two of their children were killed in 2023 when the plane he was piloting crashed in Utah. Mr. Larsen was most likely disoriented by the lack of light, investigators said.

Doug Larsen of North Dakota, his wife and two of their children were killed in 2023 when the plane he was piloting crashed in Utah. Mr. Larsen was most likely disoriented by the lack of light, investigators said.