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.

Question: Were those his only injuries?
Self-contained rewrite: Were the crushed collar bone, cracked ribs, crushed chest, and collapsed left lung Howard Hughes' only injuries in the near-fatal crash of the XF-11?