Kamov Ka-20
| Kamov Ka-20 | |
|---|---|
| General information | |
| Type | Prototype helicopter | 
| National origin | Soviet Union | 
| Manufacturer | Kamov | 
| Status | Retired | 
| Primary user | Soviet Union | 
| History | |
| Introduction date | July 1961 | 
| First flight | Tushino Air Display, July 1961 | 
| Retired | Unknown | 
| Developed from | Kamov Ka-15 | 
| Developed into | Kamov Ka-25 | 
The Kamov Ka-20 (NATO reporting name Harp) was a Soviet twin-engined prototype helicopter designed and built by Kamov that led to the Ka-25 family of helicopters, it was developed, during the early Cold War to counter United States Navy submarines.