Conversation so far:
What date was the near fatal crash?
Hughes was involved in another near-fatal aircraft accident on July 7, 1946.
Did howard sustain any injuries?
Hughes sustained significant injuries in the crash, including a crushed collar bone, multiple cracked ribs, crushed chest with collapsed left lung.
Were those his only injuries?
shifting his heart to the right side of the chest cavity, and numerous third-degree burns.
When did hughes get started?
During the 1940s to the late 1950s, the Hughes Tool Company ventured into the film industry when it obtained partial ownership of the RKO companies.
What were the RKO companies?
included RKO Pictures, RKO Studios, a chain of movie theaters known as RKO Theatres and a network of radio stations known as the RKO Radio Network.
Are there any other interesting aspects about this article?
In 1953, Hughes was involved with a high profile lawsuit.
Why was hughes sued?
They had accused him with financial misconduct and corporate mismanagement.

Question: Who was suing him?
Self-contained rewrite: Who was suing Howard Hughes for financial misconduct and corporate mismanagement?