<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart> LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION Method General operations by centrifugal force, using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force, using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/LIQUID OR SOLID/GAS SEPARATION Method General operations by centrifugal force using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/SOLID SEPARATION Method Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods Apparatus Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus , Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods <titlePart> <text>TRANSPORTING</text> </titlePart> <titlePart> <text>AIRCRAFT</text> </titlePart> <titlePart> <text>AVIATION</text> </titlePart> <titlePart> <text>COSMONAUTICS</text> </titlePart> <titlePart> <text>AEROPLANES</text> </titlePart> <titlePart> <text>HELICOPTERS</text> <entryReference>air-cushion vehicles <sref ref="B60V"/></entryReference> </titlePart> As far as possible, classification is made according to constructional features; classification according to particular kinds of aircraft is normally regarded as being of secondary importance, except in cases where this is considered to be the characteristic feature. STRUCTURES, FAIRINGS Features common to different elements Fuselages; wings; stabilising surfaces ; ; Other structural elements PROPELLERS, FLIGHT CONTROL Propellers Adjustable control surfaces or members; control systems ; Control by jet reaction Stabilisation and controls not otherwise provided for , MODIFYING LIFT BY ACTION ON AIR-FLOW , , ALIGHTING GEAR AIRCRAFT KINDS AND THEIR COMPONENTS NOT OTHERWISE PROVIDED FOR Supersonic Seaplanes Aircraft intended to be sustained without power plant; powered hand-glider-type aircraft; microlight aircraft Convertible aircraft Vertical-take-off or landing aircraft Rotorcraft; ornithopters ; Others <titlePart> <text>Aircraft structures or fairings</text> <entryReference>boundary-layer controls <sref ref="B64C0021000000"/></entryReference> </titlePart> <titlePart> <text>Fuselages</text> </titlePart> <titlePart> <text>Constructional features common to fuselages, wings, stabilising surfaces, or the like</text> <entryReference>aerodynamical features common to fuselages, wings, stabilising surfaces, or the like <sref ref="B64C0023000000"/></entryReference> <entryReference>flight-deck installations <sref ref="B64D"/></entryReference> </titlePart> <titlePart> <text>Frames</text> </titlePart> <titlePart> <text>Stringers</text> </titlePart> <titlePart> <text>Longerons</text> </titlePart> <titlePart> <text>Geodetic or other open-frame structures</text> </titlePart> <titlePart> <text>Bulkheads</text> </titlePart> <titlePart> <text>Construction or attachment of skin panels</text> </titlePart> <titlePart> <text>Windows</text> </titlePart> <titlePart> <text>Doors</text> </titlePart> <titlePart> <text>Hatch covers or access panels</text> </titlePart> <titlePart> <text>Surrounding frame structures</text> </titlePart> <titlePart> <text>Canopies</text> </titlePart> <titlePart> <text>Windscreens</text> <entryReference>fairings movable in conjunction with undercarriage elements <sref ref="B64C0025160000"/></entryReference> <entryReference>bomb doors <sref ref="B64D0001060000"/></entryReference> </titlePart> <titlePart> <text>specially adapted for mounting power plant</text> </titlePart> <titlePart> <text>Floors</text> </titlePart> <titlePart> <text>specially adapted for freight</text> </titlePart> <titlePart> <text>Other structures integral with fuselages to facilitate loading</text> </titlePart> <titlePart> <text>Steps mounted on, and retractable within, fuselages</text> <entryReference>readily removable <sref ref="B64D0009000000"/></entryReference> </titlePart> <titlePart> <text>Attaching the wing or tail units or stabilising surfaces</text> </titlePart> <titlePart> <text>Parts of fuselage relatively movable to improve pilots view</text> </titlePart> <titlePart> <text>Parts of fuselage relatively movable to reduce overall dimensions of aircraft</text> </titlePart> <titlePart> <text>Severable or jettisonable parts of fuselage facilitating emergency escape</text> <entryReference>ejector seats <sref ref="B64D0025100000"/></entryReference> </titlePart> <titlePart> <text>comprising inflatable structural components</text> <entryReference>connection of valves to inflatable elastic bodies <sref ref="B60C0029000000"/></entryReference> </titlePart> <titlePart> <text>adapted to receive aerials or radomes</text> <entryReference>aerials or radomes <u>per se</u><sref ref="H01Q"/></entryReference> </titlePart> <titlePart> <text>Constructions adapted to reduce effects of aerodynamic or other external heating</text> </titlePart> <titlePart> <text>Sound or heat insulation</text> </titlePart> <titlePart> <text>Wings</text> <entryReference>stabilising surfaces <sref ref="B64C0005000000"/></entryReference> <entryReference>ornithopter wings <sref ref="B64C0033020000"/></entryReference> </titlePart> <titlePart> <text>Shape of wings</text> </titlePart> <titlePart> <text>Aerofoil profile</text> </titlePart> <titlePart> <text>Frontal aspect</text> </titlePart> <titlePart> <text>Spars</text> </titlePart> <titlePart> <text>Ribs</text> </titlePart> <titlePart> <text>Stringers</text> <entryReference>attaching wing unit to fuselage <sref ref="B64C0001260000"/></entryReference> </titlePart> <titlePart> <text>Integral or sandwich constructions</text> <entryReference>layered products or sandwich constructions in general <sref ref="B32B"/></entryReference> </titlePart> <titlePart> <text>Geodetic or other open-frame structures</text> </titlePart> <titlePart> <text>Moulded or cast structures</text> </titlePart> <titlePart> <text>Construction, shape, or attachment of separate skins, e.g. panels</text> </titlePart> <titlePart> <text>Leading or trailing edges attached to primary structures, e.g. forming fixed slots</text> </titlePart> <titlePart> <text>comprising inflatable structural components</text> <entryReference>connection of valves to inflatable elastic bodies <sref ref="B60C0029000000"/></entryReference> </titlePart> <titlePart> <text>specially adapted for mounting power plant</text> </titlePart> <titlePart> <text>Integrally-constructed tanks, e.g. for fuel</text> <entryReference>other aircraft fuel tanks or fuel systems <sref ref="B64D"/></entryReference> </titlePart> <titlePart> <text>Structures adapted to reduce effects of aerodynamic or other external heating</text> </titlePart> <titlePart> <text>Adjustment of complete wings or parts thereof</text> </titlePart> <titlePart> <text>Varying angle of sweep</text> </titlePart> <titlePart> <text>Adjusting about chordwise axes</text> </titlePart> <titlePart> <text>Varying camber</text> </titlePart> <titlePart> <text>by inflatable elements</text> <entryReference>connection of valves to inflatable elastic bodies <sref ref="B60C0029000000"/></entryReference> </titlePart> <titlePart> <text>by relatively-movable parts of wing structures</text> </titlePart> <titlePart> <text>by leading or trailing edge flaps</text> <entryReference>ailerons <sref ref="B64C0009000000"/></entryReference> </titlePart> <titlePart> <text>Warping</text> </titlePart> <titlePart> <text>Varying in area</text> <entryReference>flaps extendable to increase camber <sref ref="B64C0003440000"/></entryReference> </titlePart> <titlePart> <text>Folding or collapsing to reduce overall dimensions of aircraft</text> </titlePart> <titlePart> <text>provided with fences or spoilers</text> <entryReference>adjustable for control purposes <sref ref="B64C0009000000"/></entryReference> </titlePart> <titlePart> <text>Stabilising surfaces</text> <entryReference>attaching stabilising surfaces to fuselage <sref ref="B64C0001260000"/></entryReference> </titlePart> <titlePart> <text>Tailplanes</text> <entryReference>fins <sref ref="B64C0005060000"/></entryReference> </titlePart> <titlePart> <text>Noseplanes</text> </titlePart> <titlePart> <text>Fins</text> <entryReference>specially for wings <sref ref="B64C0005080000"/></entryReference> </titlePart> <titlePart> <text>mounted on, or supported by, wings</text> </titlePart> <titlePart> <text>adjustable</text> </titlePart> <titlePart> <text>for retraction against or within fuselage or nacelle</text> </titlePart> <titlePart> <text>Varying angle of sweep</text> </titlePart> <titlePart> <text>about spanwise axes</text> </titlePart> <titlePart> <text>in area</text> </titlePart> <titlePart> <text>Structures or fairings not otherwise provided for</text> </titlePart> <titlePart> <text>Nacelles</text> </titlePart> <titlePart> <text>Adjustable control surfaces or members, e.g. rudders</text> <entryReference>trimming stabilising surfaces <sref ref="B64C0005100000"/></entryReference> <entryReference>systems for actuating flying-control surfaces <sref ref="B64C0013000000"/></entryReference> </titlePart> <titlePart> <text>Mounting or supporting thereof</text> </titlePart> <titlePart> <text>with compound dependent movements</text> </titlePart> <titlePart> <text>with two or more independent movements</text> </titlePart> <titlePart> <text>bodily displaceable</text> <entryReference>varying camber of wings <sref ref="B64C0003440000"/></entryReference> </titlePart> <titlePart> <text>one surface adjusted by movement of another, e.g. servo tabs</text> <entryReference><sref ref="B64C0009040000"/> takes precedence</entryReference> <entryReference>adjusting surfaces of different type or function <sref ref="B64C0009120000"/></entryReference> </titlePart> <titlePart> <text>surfaces of different type or function being simultaneously adjusted</text> </titlePart> <titlePart> <text>forming slots</text> <entryReference>boundary-layer control <sref ref="B64C0021000000"/></entryReference> </titlePart> <titlePart> <text>at the rear of the wing</text> </titlePart> <titlePart> <text>by single flaps</text> </titlePart> <titlePart> <text>by multiple flaps</text> </titlePart> <titlePart> <text>at the front of the wing</text> </titlePart> <titlePart> <text>by single flap</text> </titlePart> <titlePart> <text>by multiple flaps</text> </titlePart> <titlePart> <text>by flaps at both the front and rear of the wing operating in unison</text> </titlePart> <titlePart> <text>Balancing hinged surfaces, e.g. dynamically</text> </titlePart> <titlePart> <text>Air braking surfaces</text> <entryReference>braking by parachutes <sref ref="B64D0017800000"/></entryReference> </titlePart> <titlePart> <text>collapsing or retracting against or within other surfaces or other members</text> </titlePart> <titlePart> <text>the members being fuselages or nacelles</text> </titlePart> <titlePart> <text>Jet flaps</text> </titlePart> <titlePart> <text>Propellers, e.g. of ducted type</text> </titlePart> <titlePart> <text>Features common to propellers and rotors for rotorcraft</text> <entryReference>rotors specially adapted for rotorcraft <sref ref="B64C0027320000"/></entryReference> </titlePart> <titlePart> <text>Hub construction</text> </titlePart> <titlePart> <text>Blade mountings</text> </titlePart> <titlePart> <text>for variable-pitch blades</text> </titlePart> <titlePart> <text>for non-adjustable blades</text> </titlePart> <titlePart> <text>rigid</text> </titlePart> <titlePart> <text>flexible</text> </titlePart> <titlePart> <text>Spinners</text> </titlePart> <titlePart> <text>Blades</text> </titlePart> <titlePart> <text>Aerodynamic features</text> </titlePart> <titlePart> <text>Constructional features</text> </titlePart> <titlePart> <text>Solid blades</text> </titlePart> <titlePart> <text>Hollow blades</text> </titlePart> <titlePart> <text>Fabricated blades</text> </titlePart> <titlePart> <text>Collapsible or foldable blades</text> </titlePart> <titlePart> <text>Blade pitch-changing mechanisms</text> </titlePart> <titlePart> <text>mechanical</text> </titlePart> <titlePart> <text>automatic</text> </titlePart> <titlePart> <text>non-automatic</text> </titlePart> <titlePart> <text>fluid, e.g. hydraulic</text> </titlePart> <titlePart> <text>automatic</text> </titlePart> <titlePart> <text>non-automatic</text> </titlePart> <titlePart> <text>electric</text> </titlePart> <titlePart> <text>Arrangements of, or constructional features peculiar to, multiple propellers</text> </titlePart> <titlePart> <text>Units of two or more coaxial propellers</text> </titlePart> <titlePart> <text>Phase synchronisation between multiple propellers</text> </titlePart> <titlePart> <text>Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers</text> </titlePart> <titlePart> <text>Initiating means</text> </titlePart> <titlePart> <text>actuated personally</text> </titlePart> <titlePart> <text>adjustable to suit individual persons</text> </titlePart> <titlePart> <text>Trimming zero positions</text> </titlePart> <titlePart> <text>comprising warning devices</text> </titlePart> <titlePart> <text>Dual control apparatus</text> </titlePart> <titlePart> <text>lockable</text> <entryReference>locking in position to suit individual persons <sref ref="B64C0013060000"/></entryReference> </titlePart> <titlePart> <text>actuated automatically, e.g. responsive to gust detectors</text> </titlePart> <titlePart> <text>using automatic pilot</text> <entryReference>automatic pilots <u>per se</u><sref ref="G05D0001000000"/></entryReference> </titlePart> <titlePart> <text>using radiated signals</text> </titlePart> <titlePart> <text>readily revertible to personal control</text> </titlePart> <titlePart> <text>Transmitting means</text> </titlePart> <titlePart> <text>without power amplification or where power amplification is irrelevant</text> </titlePart> <titlePart> <text>mechanical</text> </titlePart> <titlePart> <text>using cable, chain, or rod mechanisms</text> </titlePart> <titlePart> <text>using cam mechanisms</text> </titlePart> <titlePart> <text>using toothed gearing</text> </titlePart> <titlePart> <text>fluid</text> </titlePart> <titlePart> <text>with power amplification</text> </titlePart> <titlePart> <text>using fluid pressure</text> </titlePart> <titlePart> <text>having duplication or stand-by provisions</text> </titlePart> <titlePart> <text>overriding of personal controls</text> </titlePart> <titlePart> <text>with automatic return to inoperative position</text> </titlePart> <titlePart> <text>with artificial feel</text> </titlePart> <titlePart> <text>characterised by the fluid being gaseous</text> </titlePart> <titlePart> <text>using electrical energy</text> </titlePart> <titlePart> <text>Attitude, flight direction, or altitude control by jet reaction</text> <entryReference>details of jet-engine plants, e.g. of nozzles or jet pipes, <sref ref="F02K"/></entryReference> </titlePart> <titlePart> <text>the jets being propulsion jets</text> </titlePart> <titlePart> <text>the power plant being tiltable</text> </titlePart> <titlePart> <text>the jets being other than main propulsion jets</text> <entryReference>jet flaps <sref ref="B64C0009380000"/></entryReference> </titlePart> <titlePart> <text>Aircraft stabilisation not otherwise provided for</text> </titlePart> <titlePart> <text>by gravity or inertia-actuated apparatus</text> </titlePart> <titlePart> <text>by pendular bodies</text> </titlePart> <titlePart> <text>by gyroscopic apparatus</text> <entryReference>automatic-pilot control <sref ref="B64C0013180000"/></entryReference> </titlePart> <titlePart> <text>by ballast supply or discharge</text> <entryReference>for lighter-than-air aircraft <sref ref="B64B"/></entryReference> </titlePart> <titlePart> <text>Transferring fuel to adjust trim</text> </titlePart> <titlePart> <text>Aircraft control not otherwise provided for</text> </titlePart> <titlePart> <text>Conjoint controls</text> </titlePart> <titlePart> <text>Influencing air-flow over aircraft surfaces, not otherwise provided for</text> </titlePart> <titlePart> <text>Influencing air-flow over aircraft surfaces by affecting boundary-layer flow</text> <entryReference>boundary-layer control in general <sref ref="F15D"/></entryReference> </titlePart> <titlePart> <text>by use of slot, ducts, porous areas, or the like</text> </titlePart> <titlePart> <text>for blowing</text> <entryReference><sref ref="B64C0021080000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>for sucking</text> <entryReference><sref ref="B64C0021080000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>adjustable</text> </titlePart> <titlePart> <text>using other surface properties, e.g. roughness</text> </titlePart> <titlePart> <text>Influencing air-flow over aircraft surfaces, not otherwise provided for</text> </titlePart> <titlePart> <text>by means of rotating members of cylindrical or similar form</text> </titlePart> <titlePart> <text>by generating shock waves</text> </titlePart> <titlePart> <text>by generating vortices</text> </titlePart> <titlePart> <text>using Magnus effect</text> </titlePart> <titlePart> <text>Alighting gear</text> <entryReference>air-cushion alighting gear <sref ref="B60V0003080000"/></entryReference> </titlePart> <titlePart> <text>Undercarriages</text> </titlePart> <titlePart> <text>Arrangement or disposition on aircraft</text> </titlePart> <titlePart> <text>fixed</text> </titlePart> <titlePart> <text>non-fixed, e.g. jettisonable</text> </titlePart> <titlePart> <text>retractable, foldable, or the like</text> </titlePart> <titlePart> <text>sideways</text> </titlePart> <titlePart> <text>fore-and-aft</text> </titlePart> <titlePart> <text>Fairings movable in conjunction with undercarriage elements</text> </titlePart> <titlePart> <text>Operating mechanisms</text> </titlePart> <titlePart> <text>mechanical</text> </titlePart> <titlePart> <text>fluid</text> </titlePart> <titlePart> <text>electric</text> </titlePart> <titlePart> <text>Control or locking systems therefor</text> </titlePart> <titlePart> <text>with indicating or warning devices</text> </titlePart> <titlePart> <text>emergency actuated</text> </titlePart> <titlePart> <text>characterised by elements which contact the ground or similar surface</text> <entryReference>arrester hooks <sref ref="B64C0025680000"/></entryReference> </titlePart> <titlePart> <text>wheeled type, e.g. multi-wheeled bogies</text> </titlePart> <titlePart> <text>Arrangements or adaptations of wheels, tyres, or axles in general</text> <entryReference>construction of wheels or axles <sref ref="B60B"/></entryReference> <entryReference>construction of tyres in general <sref ref="B60C"/></entryReference> </titlePart> <titlePart> <text>endless-track type</text> </titlePart> <titlePart> <text>the elements being rotated before touch-down</text> </titlePart> <titlePart> <text>Arrangement or adaptation of brakes</text> <entryReference>the ground braking force being regulated, at least in part, by a speed condition, e.g. acceleration or deceleration of the ground engaging alighting gear, <sref ref="B60T0008320000"/></entryReference> </titlePart> <titlePart> <text>Actuating mechanisms</text> </titlePart> <titlePart> <text>Brake regulators for preventing skidding or aircraft somersaulting</text> </titlePart> <titlePart> <text>differentially operated for steering purposes</text> </titlePart> <titlePart> <text>Steerable undercarriages</text> </titlePart> <titlePart> <text>Shimmy-damping</text> <entryReference>steering devices applicable to land vehicles <sref ref="B62D"/></entryReference> </titlePart> <titlePart> <text>Skis or runners</text> </titlePart> <titlePart> <text>Floats</text> </titlePart> <titlePart> <text>inflatable</text> <entryReference>connection of valves to inflatable elastic bodies <sref ref="B60C0029000000"/></entryReference> </titlePart> <titlePart> <text>Arrangements or adaptations of shock-absorbers or springs</text> <entryReference>shimmy-dampers <sref ref="B64C0025500000"/></entryReference> <entryReference>vehicle suspension arrangements in general <sref ref="B60G"/></entryReference> <entryReference>shock-absorbers <u>per se</u><sref ref="F16F"/></entryReference> </titlePart> <titlePart> <text>Oleo legs</text> </titlePart> <titlePart> <text>Spring shock-absorbers</text> </titlePart> <titlePart> <text>Springs</text> </titlePart> <titlePart> <text>using rubber or like elements</text> </titlePart> <titlePart> <text>Convertible alighting gear</text> </titlePart> <titlePart> <text>Combinations of different kinds of ground or like engaging elements</text> </titlePart> <titlePart> <text>Arrester hooks</text> <entryReference>arresting gear, e.g. on aircraft carriers, <sref ref="B64F"/></entryReference> </titlePart> <titlePart> <text>Aircraft kinds or components not otherwise provided for</text> </titlePart> <titlePart> <text>Rotorcraft</text> </titlePart> <titlePart> <text>Rotors peculiar thereto</text> <entryReference>alighting gear <sref ref="B64C0025000000"/></entryReference> </titlePart> <titlePart> <text>Gyroplanes</text> </titlePart> <titlePart> <text>Helicopters</text> </titlePart> <titlePart> <text>with single rotor</text> </titlePart> <titlePart> <text>with two or more rotors</text> </titlePart> <titlePart> <text>arranged coaxially</text> </titlePart> <titlePart> <text>Rotor drives</text> </titlePart> <titlePart> <text>Direct drive between power plant and rotor hub</text> </titlePart> <titlePart> <text>Drive of rotors by means, e.g. propellers, mounted on rotor blades</text> </titlePart> <titlePart> <text>the means being jet-reaction apparatus</text> </titlePart> <titlePart> <text>Rotorcraft characterised by having shrouded rotors, e.g. flying platforms</text> </titlePart> <titlePart> <text>Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft</text> </titlePart> <titlePart> <text>with rotor blades fixed in flight to act as lifting surfaces</text> </titlePart> <titlePart> <text>characterised by provision of fixed wings</text> </titlePart> <titlePart> <text>with forward-propulsion propellers pivotable to act as lifting rotors</text> </titlePart> <titlePart> <text>with provision for reducing drag of inoperative rotor</text> </titlePart> <titlePart> <text>Rotors</text> <entryReference>features common to rotors and propellers <sref ref="B64C0011000000"/></entryReference> </titlePart> <titlePart> <text>having flexing arms</text> </titlePart> <titlePart> <text>having elastomeric joints</text> </titlePart> <titlePart> <text>having articulated joints</text> <entryReference><sref ref="B64C0027330000"/>, <sref ref="B64C0027350000"/> take precedence</entryReference> </titlePart> <titlePart> <text>with individually articulated blades, i.e. with flapping or drag hinges</text> </titlePart> <titlePart> <text>with flapping hinge or universal joint, common to the blades</text> </titlePart> <titlePart> <text>see-saw type, i.e. two-bladed rotor</text> </titlePart> <titlePart> <text>with a feathering hinge only</text> </titlePart> <titlePart> <text>Blades</text> </titlePart> <titlePart> <text>Aerodynamic features</text> </titlePart> <titlePart> <text>Constructional features</text> </titlePart> <titlePart> <text>Root attachment to rotor head</text> </titlePart> <titlePart> <text>Blades foldable to facilitate stowage of aircraft</text> </titlePart> <titlePart> <text>Damping of blade movements</text> </titlePart> <titlePart> <text>Tilting of rotor bodily relative to fuselage</text> <entryReference>of see-saw type construction <sref ref="B64C0027430000"/></entryReference> </titlePart> <titlePart> <text>Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement</text> </titlePart> <titlePart> <text>characterised by the control initiating means, e.g. manually actuated</text> <entryReference><sref ref="B64C0027580000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust</text> </titlePart> <titlePart> <text>Transmitting means, e.g. interrelated with initiating means or means acting on blades</text> <entryReference>initiating means <sref ref="B64C0027560000"/></entryReference> <entryReference>means acting on blades <sref ref="B64C0027720000"/></entryReference> </titlePart> <titlePart> <text>mechanical</text> </titlePart> <titlePart> <text>including swash plate, spider or cam mechanisms</text> </titlePart> <titlePart> <text>including flaps mounted on blades</text> </titlePart> <titlePart> <text>including rotating masses or servo rotors</text> </titlePart> <titlePart> <text>specially for controlling lag-lead movements of blades</text> </titlePart> <titlePart> <text>using fluid pressure, e.g. having fluid power amplification</text> </titlePart> <titlePart> <text>using electrical energy, e.g. having electrical power amplification</text> </titlePart> <titlePart> <text>Means acting on blades</text> </titlePart> <titlePart> <text>in association with pitch adjustment of blades of anti-torque rotor</text> </titlePart> <titlePart> <text>for differential adjustment of blade pitch between two or more lifting rotors</text> </titlePart> <titlePart> <text>characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting-rotor torque or changing direction of rotorcraft</text> </titlePart> <titlePart> <text>Aircraft capable of landing or taking-off vertically</text> <entryReference>attitude, flight direction, or altitude control by jet reaction <sref ref="B64C0015000000"/></entryReference> <entryReference>rotorcraft <sref ref="B64C0027000000"/></entryReference> <entryReference>air-cushion vehicles <sref ref="B60V"/></entryReference> <entryReference>details of jet-engine plants, e.g. of nozzles or jet pipes, <sref ref="F02K"/></entryReference> </titlePart> <titlePart> <text>having its flight directional axis vertical when grounded</text> </titlePart> <titlePart> <text>characterised by jet-reaction propulsion</text> </titlePart> <titlePart> <text>Supersonic type aircraft</text> </titlePart> <titlePart> <text>Aircraft intended to be sustained without power plant</text> </titlePart> <titlePart> <text>Powered hang-glider-type aircraft</text> </titlePart> <titlePart> <text>Microlight-type aircraft</text> </titlePart> <titlePart> <text>Gliders, e.g. sailplanes</text> <entryReference>hang-gliders <sref ref="B64C0031028000"/></entryReference> </titlePart> <titlePart> <text>with auxiliary power plant</text> </titlePart> <titlePart> <text>Hang-glider-type aircraft</text> </titlePart> <titlePart> <text>Microlight-type aircraft</text> </titlePart> <titlePart> <text>having delta shaped wing</text> </titlePart> <titlePart> <text>having parachute-type wing</text> <entryReference>parachutes <sref ref="B64D0017000000"/></entryReference> </titlePart> <titlePart> <text>Man-powered aircraft</text> <entryReference>ornithopters <sref ref="B64C0033000000"/></entryReference> </titlePart> <titlePart> <text>Kites</text> <entryReference>hang-gliders <sref ref="B64C0031028000"/></entryReference> <entryReference>toy aspects <sref ref="A63H0027080000"/></entryReference> <entryReference>towed targets <sref ref="F41J"/></entryReference> </titlePart> <titlePart> <text>Ornithopters</text> </titlePart> <titlePart> <text>Wings</text> </titlePart> <titlePart> <text>Actuating mechanisms therefor</text> </titlePart> <titlePart> <text>Flying-boats</text> </titlePart> <titlePart> <text>Seaplanes</text> <entryReference>alighting gear <sref ref="B64C0025000000"/></entryReference> </titlePart> <titlePart> <text>Flying-boat hulls</text> </titlePart> <titlePart> <text>Convertible aircraft</text> <entryReference>vehicles capable of travelling in or on different media <sref ref="B60F"/></entryReference> </titlePart> <titlePart> <text>Flying units formed by separate aircraft</text> <entryReference>towing, air-refuelling, or aircraft-carrying aircraft <sref ref="B64D"/></entryReference> </titlePart> <titlePart> <text>Aircraft not otherwise provided for</text> </titlePart> <titlePart> <text>characterised by special use</text> </titlePart> <titlePart> <text>having multiple fuselages or tail booms</text> </titlePart> <titlePart> <text>having disc- or ring-shaped wings</text> </titlePart> <titlePart> <text>having multiple wings</text> </titlePart> <titlePart> <text>All-wing aircraft</text> </titlePart> <titlePart> <text>Canard-type aircraft</text> </titlePart>