WARSHIPSRESEARCH

American Sea Control Ship mid 1970s design

Smaller air-capable sea control ship designed to operate helicopters and V/STOL aircraft. Fuel weight 1,444 LT. Dimensions 609.0 x 78.5 x 22.8 x 51.9 x (freeboard) feet. Range 5,200 (at 30 knots)-2,400 (at 50 knots) nautical miles.

 Performance of a representative DFM-fuelled sea control ship (SCS) in 1975. Smaller air-capable sea control ship designed to operate helicopters and V/STOL aircraft, displacement light 14,000 tons. Dimensions 612 (waterline) x 78.9 (waterline) x 22.6 (ship draft) x 52.8 (ship freeboard) feet. Propulsion 1 screw. Horsepower 40,000 hp. Maximum speed 27 knots. DFM fuel weight 1,320 LT. Cruising speed 20 knots. Range at cruising speed 12,000 nautical miles based on 10 percent fuel reserve rounded to nearest 50 nautical miles.

Sea control ship (SCS) general applicable for the next specific warfare areas:

ASMD=self protection against anti-ship missiles

ASW (P)=force protection against subsurface threats

AAW=fore attribution of airborne threats

ASUW=warfare against surface ship threats

ARW=strike warfare using carrier-based tactical air

EW=electronic warfare

CAC=command, control and communication

CDS=combat direction systems

SURV=surveillance

MIW=mine warfare

SPW=special warfare

 

Principal mission characteristics

Mission: sea control task force defense

Duration in day: 24.6

Range in nautical miles: 12,1000

Mission description: escort of task force to/from operation area. Five days in operation area. Continuous VSTOL and ASW helo stations maintained in transit and op area

 

Ship operational parameters

Days in transit: 19.6

Transit day profile hours: 8

Transit day profile in knots: 24

Transit day profile in nautical miles: 192

Days in op area: 5?

Op area day profile in hours: 4

Op area day profile in knots: 24

Op area day profile in nautical miles: 9

Total time at speed in hours: 312

Total time at speed in knots: 24

 

Ship operational parameters

Days in transit:

Transit day profile hours: 16

Transit day profile in knots: 20

Transit day profile in nautical miles: 320

Days in op area: 5

Op area day profile in hours: 20

Op area day profile in knots: 16

Op area day profile in nautical miles:320

Total time at speed in hours: 100

Total time at speed in knots: 16

Number of embarked aircraft: 10 VSTOL-10 Helo ASW

Sorties per aircraft-day: 2.0 both types

Hours per sortie: VSTOL 1.44-Helo 4.0

Number of aircraft flying per day transit: VSTOL 9-Helo 6

Number of aircraft flying per day op area: VSTOL 9-Helo 3

Source

Hydrogen. Hearings before the subcommittee of energy research, development and demonstration of the committee on science and technology U.S. House of Representatives. Ninety-fourth congress, first session June 10 and 12, 1975, p. 1027 and further.