Designed to replace the Ka-25 Hormone as ship on-board helicopter of the Soviet Navy. Compared to the Ka-25 it has more powerful engines, a bit longer fuselage and a redesigned tail. First flew on December 24, 1973 but entered service around 1980
The Ka-27 come in four main versions, known as Ka-27, 28, 29, and 32. The Ka-27 is the basic naval helicopter having two variants: the Ka-27PL fitted for antisubmarine warfare and the Ka-27PS for search and rescue. The Ka-28 is an export version of the Ka-27PL. The Ka-29 and Ka-29TB are assault transport helicopters. The Ka-32 is the commercial variant including the Ka-32S equipped for adverse weather and the flying crane Ka-32K
Specifications
| Engine | 2 x Klimov TV3-117 2200 shp |
|---|---|
| Capacity | 2 + 16 |
| Length (m) | 11.3 |
| Height (m) | 5.5 |
| Blades | 6 |
| Rotor diam. (m) | 15.8 |
| Disc area (m2) | 392 |
| Weight (kgs) | Empty: 6500 Max: 12000 |
| Speed (km/h) | Cruise: 205 Max: 270 |
| Range (km) | 980 |
| Ceiling (m) | 5000 |
Derivatives & Versions
| Ka-27ps Helix-D | Search and rescue (SAR) variant with ASW equipment removed and winch fitted. | |
| Ka-29 Helix-B | Assault transport variant of the Ka-27 with accommodation for two pilots and 16 troops | |
| → ka-32 | 1981 | |
| Ka-28 Helix-D | 1982 | Export version of ka-27PL |
| Ka-31 Helix | 1988 | The Ka-31 is the naval airborne early warning (AEW) and control variant of the Ka-27 Helix |