# 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)


The operator must ensure that if a helicopter flight has to proceed along a route or to a destination aerodrome other than the one originally planned, in-flight replanning procedures for calculating the required useable fuel or energy include:
(1)trip fuel or energy for the remainder of the flight;
(2)reserve fuel or energy consisting of:
(i)contingency fuel;
(ii)alternate fuel or energy if a destination alternate aerodrome is required;
(iii)final reserve fuel or energy; and
(iv)additional fuel or energy if required by the type of operation;
(3)extra fuel or energy to take into account anticipated delays or specific operational constraints; and
(4)discretionary fuel or energy if required by the commander.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/IV/division/SUBPART/section/1/division/CAT.OP.MPA.191/division/d (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-IV/division-SUBPART/section-1/division-CAT.OP.MPA.191/division-d
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.