# 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 the 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 not be less than:
(i)for flights under VFR, fuel or energy to fly for at least 20 minutes at best-range speed; or
(ii)for IFR flights, fuel or energy to fly for at least 30 minutes at holding speed at 450 m (1500 ft) above the aerodrome or operating site of intended landing or destination alternate in standard temperature conditions.

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