United Kingdom - naval aviation and armament
United Kingdom - naval aviation

Sea King HC.4
| Modification | Purpose | Deliveries | Number of commissioned | Discarding | Differences from the previous modification |
| Sea King HAS.1 | ASW | 1970 - 1974 | 56 | 1970s | 2 Rolls-Royce Gnome H.1400 (2 x 1600 h. p.), 4 seats, AW391 radar, sonar, on 2 points: 4 Mk46 ASW torpedoes or 4 DCs |
| Sea King HAS.2 | ASW | 1974 - 1985 | 21 + 56 rebuilt from HAS.1 | 1980s | 2 Gnome H.1400-1 (2 õ 1660 h. p.) |
| Sea King AEW.2 | early warning | 1986 - 1990 | 10 | 1990s | unarmed, Searchwater radar |
| Sea King HAR.3 | SAR | 1979 - 1985 | 19 | 1990s | 2 seats, ARI5955 radar, 28 passengers (45 maximally), unarmed |
| Sea King HC.4 | cargo | 1974 - 1990 | 89 | on service | 2 Gnome H.1400-1T (2 õ 1680 h. p.), 28 passengers (45 maximally) or 2722 kg cargo in cabin 3629 kg cargo on bracket, 1 20-mm gun or 1 12.7-mm MG, 1134 of combat loading on 2 points: ( 2 20-mm guns or 2 12.7-mm MG or 2 launchers for 68-, 70-, 80- or 81-mm rockets |
| Sea King HAS.5 | ASW | 1985 | 30 + 77 rebuilt from HAS.2 | on service | 2 Gnome H.1400-1 (2 õ 1660 h. p.), 4 seats, ARI5991 Sea Searcher radar, type 195 sonar, 2 points for combat load: 4 Mk46 or Stingray ASW torpedoes or 4 Exoset AM.39 anti-ship missiles or 4 DC |
| Sea King HU.5 | utility | 1985 | 10 | on service | only MGs as armament |
| Sea King HAS.6 | ASW | 1990 - 1995 | 25 + 5 rebuilt from HAS.5 | on service | 2 Gnome H.1400-1T (2 õ 1680 h. p.), APN171 radar, 2 points for combat load: 4 Mk46 or Stingray ASW torpedoes 4 Exoset AM.39 or 4 Sea Eagle anti-ship missiles or 4 DC |
| Sea King ASAC.7 | early warning | 1995 | 10 rebuilt from AEW.2 | on service | unarmed, Searchwater radar |
| Modification |
Sea King HAS.2 |
|
Rotor diameter, m |
18.90 |
|
Length, m |
17.02 |
|
Height, m |
5.13 |
|
Rotating area, m2 |
280.6 |
|
Empty mass, kg |
7428 |
|
Full flying-off mass, kg |
9752 |
| Engine | 2 Rolls-Royce Gnome H.1400-1 |
| Power, h. p. | 2 õ 1660 |
| Maximal speed, km/h | 226 |
| Cruise speed, km/h | 204 |
| Flying range, km | 1740 |
| Vertical speed, m/s | 10.3 |
| Maximal altitude, m | 6200 |
| Complement | 4 |
| Armament | 1134 kg of combat loading on 2 points (4 Mk46 ASW torpedoes or 4 DC), acoustic buoys |

Sea King HAS.5

Sea King HAR.3

Sea King HAS.1

Sea King AEW.2
© Ivan Gogin, 2007