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Douglas DC OHLCH Tour de Sky . en Douglas DCA CCDO OHLCH left wingtip navigation light photographed at Oulu Airport at Tour de Sky air show fi Douglas DCA CCDO OHLCH vasemman siivenkrjen valo kuvattuna Tour de Sky lentonytksess Oulun lentoasemalla own MKFI OHLCH aircraft Aircraft lights Tour de Sky Taken with Canon EOS Taken