312 IAC 5-14-15 Main engine gauges

Sec. 15. (a) On a boat designed for inboard or inboard/outboard (stern drive) main engines, the following gauges must be readable from each helm position: (1) A gauge to indicate the main engine cooling water temperature for each main engine. (2) A gauge to indicate the main engine lubrication oil pressure for each main engine. (b) An engine and transmission for inboard propulsion manufactured after August 1, 1997, must be equipped with an indicator at any helm position to show the following: (1) Engine rpm as indicated by a tachometer. (2) Temperature, indicating the approach of unsatisfactorily high temperature of the liquid cooling system. (3) For an air-cooled engine, the approach of unsatisfactorily high engine or exhaust duct temperature. (4) Oil pressure, indicating insufficient lubricating oil pressure for an engine having a pressure lubricating system. (5) Battery charging system, indicating failure of the charging system to operate properly.