Division (b) The operator must ensure that the fuel or energy planning of flights is based upon at least the following:F1F2

procedures contained in the operations manual;

current aircraft specific data derived from a fuel or energy monitoring system or if that is not available, data provided by the aircraft manufacturer; and

the operating conditions under which the flight is to be conducted including:

1. (i)

   aircraft fuel or energy consumption;

2. (ii)

   anticipated masses;

3. (iii)

   anticipated weather conditions;

4. (iv)

   the effect of deferred maintenance items or configuration deviations, or both;

5. (v)

   anticipated delays.