Few quotes from the regs, not really relevant now to SB's question...
AMC1 ORO.MLR.100 (f) When compiling an OM, the operator may take advantage of the contents of other relevant documents. Material produced by the operator for the type-related part of the OM may be supplemented with, or substituted by, applicable parts of the aircraft flight manual (AFM) or, where such a document exists, by an aircraft operating manual produced by the manufacturer of the aircraft.
AMC1 ORO.MLR.100 (h) If the operator chooses to use material from another source in the OM, either the applicable material should be copied and included directly in the relevant part of the OM, or the OM should contain a reference to the appropriate section of that applicable material.
AMC3 ORO.MLR.100 1 The OM should contain at least the following information, where applicable, as relevant for the area and type of operation:
AMC3 ORO.MLR.100 1 B AIRCRAFT OPERATING MATTERS – TYPE RELATED Taking account of the differences between types/classes, and variants of types, under the following headings:
AMC3 ORO.MLR.100 1 B AIRCRAFT OPERATING MATTERS – TYPE RELATED 6 MASS AND BALANCE
Instructions and data for the calculation of the mass and balance including the following:- (a) calculation system (e.g. index system);
- (b) information and instructions for completion of mass and balance documentation, including manual and computer generated types;
- (c) limiting masses and centre of gravity for the types, variants or individual aircraft used by the operator;
- (d) dry operating mass and corresponding centre of gravity or index.
regards, FD.