| Regional or national deviation from Article is possible under the provisions of Chapter 9 |
1. Vessels may not use radar and Inland ECDIS equipment which may be used for conning the vessel with overlaid radar image (Navigation Mode) unless:
(a) they are fitted with radar equipment and, if appropriate, Inland ECDIS equipment adapted to the needs of inland navigation and a rate-of-turn indicator. This equipment shall be in proper working order and of a type approved for the needs of inland navigation in accordance with the requirements of the competent authorities concerned as well as in accordance with General technical requirements for radar equipment as set out in Part III of Appendix 7 to the annex of Resolution No. 61, “Recommendations on Harmonized Europe-Wide Technical Requirements for Inland Navigation Vessels”. However, ferry-boats not moving independently shall not be required to be fitted with a rate-of-turn indicator;
(b) a person holding a certificate of aptitude to use radar in accordance with the requirements of the competent authorities is on board. Notwithstanding the provisions of article 1.09, paragraph 3, the radar may be used for training purposes in good visibility by day and by night, even when there is no such person on board;
(c) they are equipped with a device for emitting the three-tone signal with the exception of small craft and ferry-boats. However, the competent authorities may not prescribe such a system.
Notwithstanding the provisions of article 4.05, small craft shall also be equipped with a radiotelephone in proper working order for the ship-to-ship network.
2. In convoys, the requirements of paragraph 1 above shall apply only to the vessel carrying the boatmaster of the convoy.
3. High-speed vessels under way shall use radar.