If areas of the fuselage suitable for break-in by rescue crews in emergency are marked on an airplane, such areas shall be marked in red or yellow, and shall be outlined in white to contrast with the background. The lines for such marking shall be 9 cm × 3 cm, and be no more than 2 m between adjacent markings.The diagrams of the break-in markings as set out in the preceding paragraph are set out in Attachment 11.ATTACHMENT 11 Marking of Break-in Points.pdf