# Commission Regulation (EU) No 965/2012 of 5 October 2012 laying down technical requirements and administrative procedures related to air operations pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council, Division (d)


For helicopters, the operator must ensure that pre-flight calculation of the usable fuel or energy that is required for a flight includes:
(1)fuel or energy to fly to the aerodrome or operating site of intended landing;
(2)if a destination alternate aerodrome is required, destination alternate fuel or energy, which is the amount of fuel or energy that is required to execute a missed approach at the aerodrome or operating site of intended landing and afterwards, to fly to the specified destination alternate aerodrome, approach and land; and
(3)final reserve fuel or energy which must be protected to ensure a safe landing; the operator must take into account points (i) and (ii), in that priority order, to determine the quantity of the final reserve fuel or energy;
(i)the severity of the hazard to persons or property that may result from an emergency landing after fuel or energy starvation;
(ii)the likelihood of unexpected circumstances such that the final reserve of fuel or energy may no longer be protected;
(4)extra fuel or energy to take into account anticipated delays or specific operational constraints; and
(5)discretionary fuel or energy, if required by the pilot-in-command.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VIII/division/SUBPART/division/SPO.OP.131/division/d (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VIII/division-SUBPART/division-SPO.OP.131/division-d
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.