# Commission Regulation (EU) 2018/395 of 13 March 2018 laying down detailed rules for the operation of balloons as well as for the flight crew licensing for balloons pursuant to Regulation (EU) 2018/1139 of the European Parliament and of the Council, Division BOP.BAS.315: Flight and navigational instruments and equipment

Extent: E+W+S+N.I.

Balloons operated under VFR by day shall be equipped with both of the following:
(a)a means of displaying drift direction;
(b)a means of measuring and displaying:
(1)time in hours, minutes and seconds;
(2)vertical speed, if required by the AFM; and
(3)pressure altitude, if required by the AFM, when required by airspace requirements or when the altitude needs to be known for the use of oxygen.

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Source: https://www.legislation.gov.uk/eur/2018/395/annex/II/division/subpart+bas/section/4/division/bop.bas.315 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-395/annex-II/division-subpart+bas/section-4/division-bop.bas.315
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.