49. Any unintentional release of petroleum hydrocarbon from an offshore installation which—
(a)results in—
(i)a fire or an explosion; or
(ii)the taking of action to prevent or limit the consequences of a potential fire or explosion; or
(b)has the potential to cause death or major injury to any person.
50. Any fire or explosion at an offshore installation, other than one to which paragraph 49 applies, which results in the stoppage of plant or the suspension of normal work.
51. The uncontrolled or unintentional release or escape of any substance (other than petroleum hydrocarbon) on or from an offshore installation which has the potential to cause the death of, major injury to, or damage to the health of any person.
52. Any unintended collapse of any offshore installation or any unintended collapse of any part thereof or any plant thereon which jeopardises the overall structural integrity of the installation.
53. Any of the following occurrences having the potential to cause death or major injury—
(a)the failure of equipment required to maintain a floating offshore installation on station;
(b)the dropping of any object on an offshore installation or on an attendant vessel or into the water adjacent to an installation or vessel; or
(c)damage to or on an offshore installation caused by adverse weather conditions.
54. Any collision between a vessel or aircraft and an offshore installation which results in damage to the installation, the vessel or the aircraft.
55. Any occurrence with the potential for a collision between a vessel and an offshore installation where, had a collision occurred, it would have been liable to jeopardise the overall structural integrity of the offshore installation.
56. Any subsidence or local collapse of the seabed likely to affect the foundations of an offshore installation or the overall structural integrity of an offshore installation.
57. Any incident involving loss of stability or buoyancy of a floating offshore installation.
58. Any evacuation (other than one arising out of an incident reportable under any other provision of these Regulations) of an offshore installation, in whole or part, in the interests of safety.
59. Any case of a person falling more than 2 metres into water (unless the fall results in death or injury required to be reported under regulation 3(1)(a) to (d)).