subclass_of mil mi-3
The PZL W - 3 " Sokó " ( en : ___MASK22___ ) is a Polish medium - size , twin - engine , multipurpose helicopter manufactured by PZL - widnik ( now AgustaWestland widnik ). The Mil Mi - 2 ( NATO reporting ___MASK14___ Hoplite ) is a small , lightly armored turbine - powered ___MASK86___ that could also provide close air support when armed with 57 mm rockets and a 23 mm ___MASK1___ . The Mil Mi - 3 was a Soviet light - utility ___MASK9___ originally designed in the 1960s as a heavier and larger version of the Mil Mi - 2 ___MASK9___ . It is also a Russian designation for the Polish - Soviet co - operation on larger helicopters based on the Mi - 2 that could replace the Mi - 4 from 1971 . The project never passed the stage of design . Due to problems in this cooperation , the Poles decided to build a completely new ___MASK9___ on their own , designated as PZL W - 3 Sokó . Another ___MASK9___ designated Mil Mi - 3 was improved Mil Mi - 1 with four bladed main rotor . PZL widnik S . A (" Wytwórnia Sprztu Komunikacyjnego PZL - widnik S . A .") is the biggest ___MASK9___ manufacturer in Poland . Its main products are PZL W - 3 Sokó and PZL SW - 4 Puszczyk helicopters . In early 2010 the ___MASK54___ was acquired by AgustaWestland ( since 2015 became part of Leonardo - Finmeccanica  s Helicopter Division ). A ___MASK9___ is a ___MASK44___ of ___MASK40___ in which lift and thrust are supplied by rotors . This allows the ___MASK9___ to take off and land vertically , to hover , and to fly forward , backward , and laterally . These attributes allow helicopters to be used in congested or isolated areas where fixed - wing ___MASK6___ and many forms of VTOL ( vertical takeoff and landing ) ___MASK6___ cannot perform . In ___MASK89___ , close air support ( CAS ) is defined as air action by fixed or rotary - winged ___MASK6___ against hostile targets , that are in close proximity to friendly forces , and which requires detailed integration of each air mission with fire and movement of these forces . NATO reporting names are ___MASK33___ names for ___MASK41___ equipment of Russia , China , and , historically , the former Eastern Bloc ( Soviet Union and other nations of the Warsaw Pact ). They provide unambiguous and easily understood ___MASK29___ words in a uniform manner in place of the original designations , which either may have been unknown to the Western world at the ___MASK98___ or easily confused codes .