Westland 121

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:helicopter
gptkbp:aircraft rotorcraft
gptkbp:armament machine guns
rockets
gptkbp:communicationEquipment radio communication
gptkbp:crew 2
required for operation
gptkbp:decommissioned 1980
gptkbp:design British_design
Westland_design_team
gptkbp:engineType turbine engine
gptkbp:exhibits found in aviation museums
gptkbp:firstFlight 1960
gptkbp:fuelCapacity 200 liters
gptkbp:historicalSignificance important_in_British_aviation_history
https://www.w3.org/2000/01/rdf-schema#label Westland 121
gptkbp:influences subsequent helicopter designs
gptkbp:legacy paved the way for modern helicopters
gptkbp:length 40 feet
gptkbp:maintenance routine checks needed
gptkbp:manufacturer Westland_Aircraft
gptkbp:market varies by condition
gptkbp:maxSpeed 130 knots
gptkbp:maxTakeoffWeight 3,500 pounds
gptkbp:missions manual and automatic systems
gptkbp:navigationEquipment GPS equipped
gptkbp:notableFeature dual rotor system
gptkbp:numberBuilt 200
gptkbp:operationalHistory used in various conflicts
gptkbp:operationalRange 500 kilometers
gptkbp:operationalStatus moderate
gptkbp:passengerCapacity 6
gptkbp:performance high maneuverability
gptkbp:primaryFunction transport
gptkbp:primaryUser gptkb:British_Army
gptkb:Royal_Air_Force
gptkbp:productionYears 1960-1970
gptkbp:range 300 nautical miles
gptkbp:relatedModel gptkb:Westland_114
gptkbp:role utility helicopter
gptkbp:rotorDiameter 36 feet
gptkbp:safetyFeatures emergency flotation gear
gptkbp:secondaryRole medical evacuation
search and rescue
gptkbp:services 15,000 feet
gptkbp:successor Westland_123
Westland_125
gptkbp:usedBy military forces
gptkbp:variant Westland_121A
gptkbp:weight 3,000 pounds