Regulation 11 Content of a safety investigation
(1)
A safety investigation must include, but is not limited to—
(a)
the collection and analysis of evidence,
(b)
the identification of causal factors, and
(c)
where appropriate, the making of safety recommendations.
(2)
A safety investigation may extend to cover, but need not be limited to—
(a)
events and circumstances preceding the accident and subsequent events and circumstances;
(b)
issues involving salvage and damage to the environment connected with the accident;
(c)
the conduct of search and rescue operations,
if the Chief Inspector considers they are relevant to the objective in regulation 5.