The operator shall ensure that the planning of a flight is only based upon-
(a) procedures, tables or graphs which are contained in or derived from the operations manual referred to in Regulation 128.04.1, or current helicopter-specific data;
(b) the operating conditions under which the flight is to be conducted including-
(i) realistic helicopter fuel consumption data;
(ii) anticipated masses;
(iii) expected meteorological conditions;
(iv) air traffic service procedures and restrictions;
(v) for IFR flight, one instrument approach at the destination aerodrome, including a missed approach;
(vi) the procedures prescribed in the operations manual for failure of the critical power-unit while en route; and
(vii) any other conditions that may delay the landing of the helicopter or increase fuel consumption.