# 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 NCO.SPEC.155: Airborne collision avoidance system (ACAS II)

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

Notwithstanding NCO.OP.200, the ACAS II may be disabled during those specialised tasks, which by their nature require the aircraft to be operated within a distance from each other below that which would trigger the ACAS.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VII/division/subpart+e/division/section+1/division/ncospec155 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VII/division-subpart+e/division-section+1/division-ncospec155
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.