The flight crew's inadequate aeronautical decision-making and poor crew resource management (CRM), including the inadequate use of the on-board sources (such as the flight management system and navigation charts), to get critical information about Ellen Church Field Airport, including runway direction and length. Contributing factors to the accident were the flight crew's failure to consider and understand indications that the runway length was insufficient and inadequate CRM training for pilots at Part 135 on-demand operators.