7.1 The maximum helicopter weight and 'D' value
for which the helicopter landing area has been designed and the maximum
size and weight of helicopter for which the vessel is certificated
should be included in the Helicopter Landing Area Operations Manual
and Landing Area Certificate. The extent of the obstacle-free area
should also be stated and reference made to any helicopter landing
area operating limitation imposed by helicopter operators or the Aviation
Inspection Body as a result of non-compliances. Details of non-compliances
themselves should also be listed.