The Rules of the Air Regulations 2015

Stationary helicopters on offshore or renewable energy installations

This adran has no associated Memorandwm Esboniadol

14.  Notwithstanding SERA.3215 a helicopter may, when stationary on an offshore or renewable energy installation, switch off the red anti-collision light as long as that is done in accordance with a procedure contained in the operations manual of the helicopter operator as a signal to ground personnel that it is safe to approach the helicopter for the purpose of embarkation or disembarkation of passengers or the loading or unloading of cargo.