This article applies to A to A commercial air transport aeroplanes, public transport aeroplanes and public transport helicopters registered in the United Kingdom.

An operator must ensure that every exit from an aeroplane or helicopter to which this article applies is marked in accordance with this article.

Every exit from such an aeroplane or helicopter must be marked on interior surfaces with the words “exit” or “emergency exit” in capital letters, which must be red in colour and if necessary outlined in white to contrast with the background.

Every exit from such an aeroplane or helicopter must be marked on exterior surfaces with the words “exit” or “emergency exit” in capital letters, which must be located on a background which provides adequate contrast.

Every exit from such an aeroplane or helicopter must be marked on interior surfaces on or near the inside surface of the door or other closure of the exit with instructions in English and with diagrams to indicate the correct method of opening the exit, which must be red in colour and located on a background which provides adequate contrast.

Every exit from such an aeroplane or helicopter which may be opened from the outside must be marked on or near the exterior surface of the door or other closure of the exit with instructions in English and with diagrams to indicate the correct method of opening the exit, which must be located on a background which provides adequate contrast.