Division (b) Helicopters operated at night or under IFR shall, in addition to (a), be equipped with:

lighting supplied from the helicopter’s electrical system to provide adequate illumination for all instruments and equipment essential to the safe operation of the helicopter;

lighting supplied from the helicopter’s electrical system to provide illumination in all passenger compartments;

an independent portable light for each required crew member readily accessible to crew members when seated at their designated stations;

navigation/position lights;

two landing lights of which at least one is adjustable in flight so as to illuminate the ground in front of and below the helicopter and the ground on either side of the helicopter; and

lights to conform with the International Regulations for Preventing Collisions at Sea if the helicopter is amphibious.