Monarch AviationApparently aircraft built in the Czech Republic use black wire as the power wire, who knew….. Share this post TweetShare on Twitter Pin itShare on Pinterest Share on FacebookShare on Facebook Share on LinkedInShare on LinkedIn Post navigationPreviousPrevious post:Monarch AviationFrom the Same CategoryMonarch AviationJuly 16, 2018Another Monarch Moment…July 16, 2018New TransponderJuly 16, 2018Very nice upgradeJuly 16, 2018