San Antonio vs Spearhead
The San Antonio and the Spearhead are both Amphibious vessel classes. The San Antonio displaces 25,300 tons — 17:1 the Spearhead's 1,515 tons. The San Antonio reaches 22 knots vs 43 knots for the Spearhead. Operational range is 8,000 nautical miles for the San Antonio vs 1,200 for the Spearhead. The San Antonio carries a crew of 361 vs 41 for the Spearhead. The San Antonio was produced in 13 units vs 15 for the Spearhead. Cost per hull is $1,602M for the San Antonio vs $180M for the Spearhead. The San Antonio was commissioned in 2006, 6 years before the Spearhead (2012).
| United States amphibious transport dock, 25,300 tons displacement, introduced in 2006. | |
| Origin | 🇺🇸 United States |
| Category | Amphibious vessel |
| Type | Amphibious transport dock |
| Manufacturer | Avondale Shipyard |
| Year introduced | 2006 |
| Number built | 13 units |
| Estimated unit price | $1,602 million |
| United States Expeditionary Fast Transport, 1,515 tons displacement, has a maximum speed of 43 knots. | |
| Origin | 🇺🇸 United States |
| Category | Amphibious vessel |
| Type | Expeditionary Fast Transport |
| Manufacturer | Austal USA |
| Year introduced | 2012 |
| Number built | 15 units |
| Estimated unit price | $180 million |
| Displacement | 25,300 tons ◉ |
| Maximum speed | 22.0 knots ◉ |
| Range | 8,000 nm at 18 knots ◉ |
| Length | 208.0 m ◉ |
| Beam | 32.0 m ◉ |
| Crew | 361 ◉ |
| Propulsion | Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp |
| Armament |
|
| Displacement | 1,515 tons ◉ |
| Maximum speed | 43.0 knots ◉ |
| Range | 1,200 nm ◉ |
| Length | 103.0 m ◉ |
| Beam | 28.5 m ◉ |
| Crew | 41 ◉ |
| Propulsion | Four MTU 20V8000 M71L diesel engines, Four ZF 60000NR2H reduction gears |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
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.