Article 15 Smoke emission requirements
This article applies to—
every non-EASA subsonic aeroplane powered by one or more turbojet engines or turbofan engines where the date of manufacture of any such engine was on or after 1st January 1983; and
every non-EASA supersonic aeroplane powered by one or more turbojet engines or turbofan engines where the date of manufacture of any such engine was on or after 18th February 1982.
Subject to article 18, an aeroplane to which this article applies must not land or take off in the United Kingdom unless every engine fitted to the aeroplane is of a type which has been certified in accordance with article 17 as complying with the requirements relating to smoke emission specified in paragraph (3).
The requirements referred to in paragraph (2) are—
for turbojet engines or turbofan engines fitted to subsonic aeroplanes, those specified in Part III, Chapter 2 of Volume II of Annex 16; and
for turbojet engines or turbofan engines fitted to supersonic aeroplanes, those specified in Part III, Chapter 3 of Volume II of Annex 16.