Role of carrier borne helicopter squadrons for antisubmarine duties in Royal Navy; particulars of Westland Whirlwind HAS7 powered by one Alvis Leonides Major 14-cyl supercharged 2-row radial engine, and equipped with Sonar gear of American design consisting of transducer unit lowered into water from hovering helicopter by electric winch and receiver in cabin.
Helicopter versus submarine
Aeroplane
Aeroplane ; 94 , n 2423
1958
2 pages
Article (Journal)
English
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