engine in midair and struggles to make it to the runway. >> the solar plane had circled back around over here, and it looked like it was going to land. >> instead, it slams into a harbor -- >> holy [ bleep ]. >> -- plunging the pilot and passenger under water. >> oh, my goodness. >> it was just unbelievable to me. >> march 25th, 2011, dave darby is spending the afternoon at albert whitted airfield, a small airport just outside of tampa, florida. >> my buddy kirk who's been building this air control tower back here, he's been doing it for the past year and a half. i hadn't come out to check it out yet, so he wanted me to come and see it, so we decided to conveniently come and check it out. the 100 grand prix was going on. >> the honda grand prix is an open wheel indycar race and portions of the airport including east-west runway become part of the actual race course. >> the tower provides a perfect