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

procedures contained in the operation manual as well as:

1. (i)

   current aircraft specific data derived from a fuel or energy consumption monitoring system or, if not available;

2. (ii)

   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 data;

2. (ii)

   anticipated masses;

3. (iii)

   anticipated weather conditions;

4. (iv)

   the effects of deferred maintenance items, or configuration deviations, or both; and

5. (v)

   anticipated delays.