(1) At all trials at which evidence is to be given on the navigation of one of Indian Naval Ships or vessels the prosecutor on opening his case shall lay before the court such of the following documents as exist and apply to the case, namely:-
(a) the ship’s log;
(b) the rough and fair engine room registers;
(c) control room log;
(d) the chart or charts and sailing directions by which the ship was navigated;
(e) the last table of compass deviations;
(f) the navigational data book and the gyro-compass log;
(g) the Captain’s night order book, and
(h) the Navigating officer’s note book and work book.
(2) After the prosecutor has opened his case, the president shall, unless he considers the circumstances so exceptional that such procedure would be a waste of time, order the documents referred to in sub-regulation (1) to be handed to one or more Navigation Direction or other competent officers who shall work up the ship’s reckoning throughout the material time; the result, together with such other details as may be required, being delivered to the court in the prescribed form completed in all relevant respects and attested by the signature of the officer or officers so directed, and such officer or officers shall be sworn and be subject to cross-examination by both persecution and defence as to its accuracy.
(3) The president shall endorse such report as approved, if the court concurs, and if not, an expression of its dissent shall be added, signed by the president, showing in what respects and for what reason it dissents.
(4) With the said report such officer or officers shall also deliver to the court a copy or tracing of the chart by which the ship was navigated on which the position of the ship so determined have been laid off, and also the determined position when ashore or in danger, as noted in the log book.
(5) The rule and direction of the current and of the tidal stream and the state of the tide should also, if possible, be ascertained, stated, and verified on oath.
(6) The report in the prescribed form and the prepared chart, as well as an attested copy of the ship’s log book and the engine room register or of the control room log, commencing from at least 48 hours before the ship took the ground or was endangered, if so long from a known anchorage, shall accompany the minutes.
(7) At trials at which evidence may be required on the navigation of an aircraft such documents as exist and may be available to serve a similar purpose to those set out in sub-regulation (1) shall be made available by the Commanding Officer of the aircraft and the court may follow, with such variation as may be necessary or desirable, the procedure prescribed in this regulation.