Conversation so far:
what is known about Alan's death?
Kulwicki died in an airplane crash on Thursday April 1, 1993.
where was he going?
He was returning from an appearance at the Knoxville Hooters in a Hooters corporate plane.
how old was he when he died?
CANNOTANSWER.
what else is known about his death?
The plane slowed and crashed just before final approach at Tri-Cities Regional Airport near Blountville.
who else were in the plane with him?
CANNOTANSWER.
what was the cause of the crash?
The National Transportation Safety Board attributed the crash to the pilot's failure to use the airplane's anti-ice system to clear ice from the engine inlet system.

Question: any other important information about his death?
Self-contained rewrite: any other important information about Alan Kulwicki's death other than the cause of the airplane crash?