Accident trends for air medical helicopters. 1988 accidents up from 1987, but set second lowest record this decade.
D000060:Accidents, Aviation / Q000706:statistics & numerical data*; D000401:Aircraft; D003625:Data Collection; D004632:Emergency Medical Services / Q000592:standards*; D004868:Equipment Failure; D005069:Evaluation Studies as Topic; D014481:United States; D014887:Weather