RedactedNarrative: Unit 1 was heading south on the ICW while towing a tube with 2 passengers on board. Unit 1 was acting in a negligent manner, sliding from side to side when Unit 1 caused the tube to veer into a cyrpess tree and stump. Unit 1's tube passengers struck the tree and were ejected from the tube into the water. One of the passengers was transported to a trauma center with significant injuries. It was discovered through investigation that Unit 1 was not equipped with a wide angeled mirror nor did Unit 1's operator have an observer on board.