CS 25.1383 Landing lights

(a)Each landing light must be approved, and must be installed so that –

(1)No objectionable glare is visible to the pilot;

(2)The pilot is not adversely affected by halation; and

(3)It provides enough light for night landing.

(b)Except when one switch is used for the lights of a multiple light installation at one location, there must be a separate switch for each light.

(c)There must be a means to indicate to the pilots when the landing lights are extended.