San Antonio vs Spearhead
San Antonio vs Spearhead at a glance — displacement 25,300 vs 1,515 tons, length 208 vs 103 m, speed 22 vs 43 knots, crew 361 vs 41.
Specifications
|
San Antonio |
Spearhead |
| Origin |
🇺🇸 United States |
🇺🇸 United States |
| Category |
Amphibious vessel |
Auxiliary ship |
| Type |
Amphibious transport dock |
Expeditionary Fast Transport |
| Manufacturer |
Avondale Shipyard |
Austal USA |
| Year introduced |
2006 |
2012 |
| Number built |
13 units |
15 units |
| Estimated unit price |
$1,602 million |
$180 million |
| Displacement |
25,300 tons |
1,515 tons |
| Maximum speed |
22.0 knots |
43.0 knots |
| Range |
8,000 nm at 18 knots |
1,200 nm |
| Length |
208.0 m |
103.0 m |
| Beam |
32.0 m |
28.5 m |
| Crew |
361 |
41 |
Armament & Systems
|
San Antonio |
Spearhead |
| Armament |
- 2 x Bushmaster II close-in-guns
- 2 x RIM-116 Rolling Airframe Missile launchers
- 2 x 8 cell Mark 41 Vertical Launching System (not fitted)
- Several twin M2 Browning machine gun turrets
|
- 4x mounts for M2 .50 caliber machine guns
|
| Propulsion |
Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp |
Four MTU 20V8000 M71L diesel engines, Four ZF 60000NR2H reduction gears |
Detailed Comparison
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Which has greater displacement, the San Antonio-class or Spearhead-class?
The San Antonio-class has greater displacement at 25,300 tons compared to the Spearhead-class's 1,515 tons.
Which is faster, the San Antonio-class or Spearhead-class?
The Spearhead-class is faster with a maximum speed of 43 knots compared to the San Antonio-class's 22 knots.
Which has longer range, the San Antonio-class or Spearhead-class?
The San Antonio-class has a longer range at 8,000 nautical miles compared to the Spearhead-class's 1,200 nautical miles.
Which is longer, the San Antonio-class or Spearhead-class?
The San Antonio-class is longer at 208.0 meters compared to the Spearhead-class's 103.0 meters.
How many crew members do the San Antonio-class and Spearhead-class have?
The San Antonio-class has a larger crew complement of 361 compared to the Spearhead-class's 41 crew members.
Which is more expensive, the San Antonio-class or Spearhead-class?
The San Antonio-class is more expensive at approximately $1.6 billion per unit compared to the Spearhead-class at $180 million.
Which has been built in greater numbers, the San Antonio-class or Spearhead-class?
The Spearhead-class has been built in greater numbers with 15 vessels compared to 13 vessels of the San Antonio-class.