ENGINEERING 



PROPULSION PLANT 



Main propulsion motors 



Type: Diesel 



Rated power (each) : 800 hp. 



Propeller (s) 



Type: Controllable pitch 



Diameter: 6.0 ft. 



Type: Geared diesel 



Quantity: 2 



Manufacturer: General Motors 



Quantity: 2 

 Blades: 3 

 Manufacturer ; 



Bird Johnson 



ELECTRICAL SYSTEM 

 Ship's service generators 

 Manufacturer: Detroit Diesel / 



Delco 



Emergency Generator 

 Manufacturer: Detroit diesel / 



Delco 



Quantity: 2 



Output Voltage: 225/450 V a.c. 



Power rating: 150 kw 



Quantity: 1 



Output voltage: 225/450 V a.c. 



Power rating: 60 kw 



Electrical Service: 450 V a.c. three phase, 225 V a.c. three phase, 



120 V a.c. single phase 



ELECTRONICS 



COMMUNICATIONS 



VHF/FM transceivers 



Teletype capability 



EPIRB's 



Weather facsimile receiver 



HF transceivers 



Portable emergency transceiver 



Emergency radio auto alarm 



ACOUSTICS 



Deepwater echo sounder 



Hydrographic survey sounder 



NAVIGATION 



Radar 



Loran 



Doppler speed log 



Shallow-water echo sounder 



Precision positioning equipment 



Gryocompass 



Satnav 



SCIENTIFIC EQUIPMENT 



XBT system CTD system (shallow water) 



Shipboard Environmental Acquisition system (SEAS) 



DATA ACQUISITION AND PROCESSING 



A shipboard computer system, the National Ocean Service's 

 Hydroplot System, is dedicated to the real-time acquisition and 

 processing of hydrographic data. An identical Hydroplot system is 

 also installed in each survey launch aboard ship. The Hydroplot 



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