Conversation so far:
Where did Jayan die?
Jayan died in Sholavaram, near Madras, Tamil Nadu.
How did Jayan die?
On 16 November 1980, Jayan was killed in an accident involving a helicopter on the set of the movie Kolilakkam.

Question: Are there any details on the accident?
Self-contained rewrite: Are there any details on the accident that killed Jayan?