The Westland Wessex HCC.4 was a variant of the Westland Wessex built for the RAF for transporting the British Royal family. Two Wessex HCC.4 helicopters were built for the RAF's "Queens Flight", the airframes were effectively the same as the HC.2 with the addition of improved navigation equipment and a VIP interior, both Westland Wessex HCC.4 remained operational until the Queens Flight was disbanded in 1998 due to financial restraints. It is of note that both Prince Philip and Prince Charles were service trained and certified Wessex pilots. Westland Wessex HC.4 Specifications: - Crew: Two pilots
- Capacity: 16 troops or 8 stretchers
- Length: 65 ft 10 in[40] (20.07 m)
- Rotor diameter: 56 ft 0 in (17.07 m)
- Height: 15 ft 10 in (4.83 m)
- Empty weight: 8,340 lb (3,767 kg)
- Loaded weight: 13,500 lb (6,136 kg)
- Engines: Twin 1,350 shp (1,007 kW) Rolls-Royce Gnome H.1200 Mk.110/111 turbo-shafts
- Maximum speed: 132 mph (115 knots, 213 km/h)
- Cruise speed: 122 mph (106 knots, 196 km/h)
- Range: 310 mi (270 nmi, 499 km)
- Service ceiling: 12,000 ft (3,660 m)
- Rate of climb: 1,650 ft/min (8.4 m/s)
|