Kaivan-class patrol craft
The Kaivan is a class of large patrol craft operated by the Islamic Republic of Iran Navy. The ships in this class are modified versions of the American Cape-class vessels, built by the United States Coast Guard Yard in the 1950s.
Design
Sources cite displacement of Kaivan class vessels slightly different. According to Jane's Fighting Ships, the ships have a standard displacement of and at full load. Conway's All the World's Fighting Ships puts the numbers at and for standard and full load displacements respectively. Combat Fleets of the World mentions only. The class design is long, would have a beam of and a draft of. The length is also recorded.Ships in the class
The ships in the class are:| Ship | Pennant number | Commissioned | Status |
| 201 | 14 January 1956 | In active service | |
| 202 | 1957 | In active service | |
| 203 | 1959 | Sunk in 1980 or 1981 | |
| 204 | 1959 | In active service |