# 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 helicopter commander must declare a situation of ‘fuel or energy emergency’ by broadcasting “MAYDAY, MAYDAY, MAYDAY, FUEL” when the useable fuel or energy estimated to be available upon landing at the nearest aerodrome or operating site where a safe landing can be made is less than the planned final reserve fuel or energy.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/IV/division/SUBPART/section/1/division/CAT.OP.MPA.195/division/d (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-IV/division-SUBPART/section-1/division-CAT.OP.MPA.195/division-d
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.