six passengers killed when two tour planes collided in alaska. two chopper crashes in hawaii. three dead. five tourists killed in new york when their chopper went down in the east river. this is really buyer beware. you as the customer have to do your research to determine the safety level of this company because they don t operate at the same more consistent robust standards as a major airline. reporter: search google or the faa or ntsb website. is the operator certified as an air taxi? are the pilot s licensed to the minimum standard or required to have more experience? have there been accidents? if so, what happened? if it doesn t sound safe, don t go. tom costello, nbc news, washington. one of the more colorful characters ever to run for president of the united states has died. ross perot, the seflt-made texas billionaire who tried to reach the white house twice as a plain-talking independent. n american orind it s time for the clean-up crew. reporter: a quirky brash countr