§143.230. Alarms and monitoring.
46 C.F.R. § 143.230
Each towing vessel must have a reliable means to provide notification when an emergency condition exists or an essential system develops problems that require attention. The following alarms must be provided:
Main engine low lubricating oil pressure;
Main engine high cooling water temperature;
Auxiliary generator engine low lubricating oil pressure;
Auxiliary generator engine high cooling water temperature;
High bilge levels;
Low hydraulic steering fluid levels, if applicable; and
Low fuel level, if fitted with a day tank.
Alarms must—
Be visible and audible at each operating station. The alarm located at the operating station may be a summary alarm; if the alarm at the operating station is a summary alarm, the specific alarm condition must be indicated at the machinery or bilge location;
Have a means to test actuation at each operating station or have a continuous self-monitoring alarm system which actuates if an alarm point fails or becomes disabled;
Continue until they are acknowledged; and
Not interfere with night vision at the operating station.
The following systems must be equipped with gauges at the machinery location:
Main engine lubricating oil pressure and main engine RPM;
Main engine cooling water temperature;
Auxiliary generator engine lubricating oil pressure and auxiliary generator engine RPM;
Auxiliary generator engine cooling water temperature; and
Hydraulic steering fluid pressure, if the vessel is equipped with hydraulic steering systems.
Notes, amendments, and revision history
Authority
Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation No. 0170.1.
Source
Source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.