"1953" . . . . . . "Whirlwind HAS.7" . "Westland Whirlwinds" . . "Westland Whirlwind HAR2 & HAR4" . . "Soko WS-55" . "Sikorsky S-55" . "Westland Whirlwind HAS7" . . "Westland Whirlwind HA.R3, HAS.7" . "Westland S-55" . "Whirlwind helicopters" . . . . . . . . "Westland Whirlwind HC.10" . "Westland Whirlwind HAR 10" . "Westland Whirlwind Series 3" . "Westland Whirlwind (helicopter)" . "360" . "Whirlwinds" . . "Whirlwind HAR.1" . . "Whirlwind HAR.3" . . . . "Westland Whirlwind HAR.2/HAR.10" . . . . "Westland Whirlwind WS.55" . . "Whirlwind 10" . . . . "Whirlwind HAR.4" . "Westland Whirlwind (helicopter)" . "Westland Whirlwind HAR.4 & 2" . "Whirlwind Helicopter" . . . . "WS-55 Whirlwind" . . "Whirlwind AS Helicopters" . . "Westland Whirlwind HAS.7" . . . . "Whirlwind helicopter" . . "Westland Whirlwind 2" . "Westland Whirlwind HS7" . "Westland Whirlwind HAR.10s" . "1966" . . . "Whirlwind" . . "Westland Whirlwind Mark 2s" . "Whirlwind HAR.10" . . "Westland Whirlwind HAS.22, HAR.1, HAR.3 & HAS.7" . "Westland Whirlwind HAR.2" . . . "Westland WS-55 Srs-4 Whirlwind" . "Whirlwind HAS.7s" . . "Westland Whirlwind HAR2, HAR4 & HAR10" . . . . "Westland Sikorsky WS-55" . . . "Westland Whirlwind" . "Westland Whirlwind HC.4" . . "Whirlwind HC10" . "Westland Whirlwind HAS.22" . . . . "Westland Whirlwind HAR Mk.2s" . . . "Westland Sikorsky Whirlwind" . . "Westland Whirlwind HCC 8" . . . . . . . . "Westland Whirlwind HAR.10" . "Whirlwind HAS.22" . "Westland Whirlwind:" . . . "Westland Whirlwind HAR10" . .