Commonwealth Numbered Regulations

1988 NO. 158 CIVIL AVIATION REGULATIONS - REG 204

204. An airship which is not under command or which has stopped its engines or
which is being towed shall display the following lights:

   (a)  if it is under way, the forward, side and rear lights as specified in
        the last preceding regulation and in addition, below the airship, 2
        red lights placed one vertically below the other, 4 metres apart, the
        top light being 8 metres below the control car and both visible, so
        far as practicable, in all directions at a distance of not less than
        4,000 metres;

   (b)  if it is not under way, the forward and the red lights only which are
        specified in paragraph (a).