Business Insider: Pilot suicides are uncommon, but there have been several in the past 30 yearsBy Business New Europe. Published March 26, 2015 at 4:48 pm A plane of Lufthansa's low-cost subsidiary Germanwings is pictured on August 28, 2014 at Cologne's airport. Photo by AFPThe main theory to explain the crash this week of the Germanwings jet in France has shifted to suicide by the co-pilot.Read the story here.