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| Class 244 Aeronautics |
|---|
| cpc | description |
| 244/1 | (1) Miscellaneous |
| 244/1.2 | (1.2) Space Vehicles And Control Systems |
| 244/1.5 | (1.5) Rocket Propelled Vehicles |
| 244/2 | (2) Composite Aircraft |
| 244/3 | (3) Aircraft Heavier Than Air |
| 244/4 | (3) Aircraft Heavier Than Air (4) Lightened by Buoyant Gas |
| 244/5 | (3) Aircraft Heavier Than Air (5) Airplane and Helicopter Sustained |
| 244/6 | (3) Aircraft Heavier Than Air (5) Airplane and Helicopter Sustained (6) Convertible |
| 244/7 | (3) Aircraft Heavier Than Air (7) Airplane and Auto-Rotating Wing Sustained |
| 244/8 | (3) Aircraft Heavier Than Air (8) Airplane and Paddle-Wheel Sustained |
| 244/9 | (3) Aircraft Heavier Than Air (9) Airplane and Cylindrical Rotor Sustained |
| 244/10 | (3) Aircraft Heavier Than Air (10) Airplane and Beating Wing Sustained |
| 244/11 | (3) Aircraft Heavier Than Air (11) Airplane and Fluid Sustained |
| 244/12 | (3) Aircraft Heavier Than Air (12) Airplane Sustained |
| 244/13 | (3) Aircraft Heavier Than Air (12) Airplane Sustained (13) Fluid Propelled |
| 244/14 | (3) Aircraft Heavier Than Air (12) Airplane Sustained (14) Glider |
| 244/15 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained |
| 244/16 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained (16) With Automatic or condition Responsive Control |
| 244/17 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained (17) With Counter-Torque and/or Steering Device |
| 244/18 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained (18) With Auxiliary Forward Propelling Device |
| 244/19 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained (19) With Plural Sustaining Rotors |
| 244/20 | (3) Aircraft Heavier Than Air (15) Helicopter or Auto-Rotating Wing Sustained (20) With Rotor Lift/Direction Varying Means |
| 244/21 | (3) Aircraft Heavier Than Air (21) Paddle-Wheel and/or Cylindrical Rotor Sustained |
| 244/22 | (3) Aircraft Heavier Than Air (22) Beating Wing Sustained |
| 244/23 | (3) Aircraft Heavier Than Air (23) Fluid Sustained |
| 244/24 | (24) Aircraft Lighter Than Air |
| 244/25 | (24) Aircraft Lighter Than Air (25) With Sustaining Wings |
| 244/26 | (24) Aircraft Lighter Than Air (26) Beating Wing and/or Helicopter Sustained |
| 244/27 | (24) Aircraft Lighter Than Air (27) Balloons |
| 244/28 | (24) Aircraft Lighter Than Air (27) Balloons (28) Captive |
| 244/29 | (24) Aircraft Lighter Than Air (29) Airship Propulsion and Control |
| 244/30 | (24) Aircraft Lighter Than Air (29) Airship Propulsion and Control (30) Gas Buoyancy and Inflation |
| 244/31 | (24) Aircraft Lighter Than Air (31) Construction |
| 244/32 | (24) Aircraft Lighter Than Air (31) Construction (32) Gas Cells |
| 244/33 | (33) Aircraft Sustentation |
| 244/34 | (33) Aircraft Sustentation (34) Airfoils |
| 244/35 | (33) Aircraft Sustentation (34) Airfoils (35) Variable Lift Modification |
| 244/36 | (33) Aircraft Sustentation (34) Airfoils (35) Variable Lift Modification (36) Flaps |
| 244/37 | (33) Aircraft Sustentation (34) Airfoils (35) Variable Lift Modification (37) Ducts |
| 244/38 | (33) Aircraft Sustentation (34) Airfoils (35) Variable Lift Modification (38) Area |
| 244/39 | (33) Aircraft Sustentation (34) Airfoils (35) Variable Lift Modification (39) Chamber |
| 244/40 | (33) Aircraft Sustentation (34) Airfoils (40) Arrangement |
| 244/41 | (33) Aircraft Sustentation (34) Airfoils (40) Arrangement (41) Variable |
| 244/42 | (33) Aircraft Sustentation (34) Airfoils (40) Arrangement (41) Variable (42) Dihedral |
| 244/43 | (33) Aircraft Sustentation (34) Airfoils (40) Arrangement (41) Variable (43) Incidence |
| 244/44 | (33) Aircraft Sustentation (34) Airfoils (40) Arrangement (41) Variable (44) Folding |
| 244/45 | (45) Aircraft Propulsion And Steering On Land And Water |
| 244/46 | (46) Aircraft Steering By Propulsion |
| 244/47 | (47) Aircraft Power Plants |
| 244/48 | (47) Aircraft Power Plants (48) Mounting |
| 244/49 | (47) Aircraft Power Plants (49) Arrangement |
| 244/50 | (47) Aircraft Power Plants (49) Arrangement (50) Tilting |
| 244/51 | (47) Aircraft Power Plants (51) Radiator Arrangement |
| 244/52 | (47) Aircraft Power Plants (52) Transmission of Power |
| 244/53 | (53) Aircraft Propulsion |
| 244/54 | (53) Aircraft Propulsion (54) Launching |
| 244/55 | (53) Aircraft Propulsion (55) Manual and/or Pedal |
| 244/56 | (53) Aircraft Propulsion (56) Screw |
| 244/57 | (53) Aircraft Propulsion (56) Screw (57) Tilting |
| 244/58 | (53) Aircraft Propulsion (58) Fluid |
| 244/59 | (59) Aircraft Control |
| 244/60 | (59) Aircraft Control (60) Automatic |
| 244/61 | (59) Aircraft Control (60) Automatic (61) Electric |
| 244/62 | (59) Aircraft Control (60) Automatic (62) Fluid |
| 244/63 | (59) Aircraft Control (60) Automatic (63) Gyroscope Actuated |
| 244/64 | (59) Aircraft Control (60) Automatic (64) Gravity Actuated |
| 244/65 | (59) Aircraft Control (60) Automatic (65) Vane Actuated |
| 244/66 | (59) Aircraft Control (66) Pilot Operated |
| 244/67 | (59) Aircraft Control (66) Pilot Operated (67) Dual |
| 244/68 | (59) Aircraft Control (66) Pilot Operated (68) Hydraulic |
| 244/69 | (59) Aircraft Control (66) Pilot Operated (69) Rudder Bars and Pedals |
| 244/70 | (59) Aircraft Control (70) Rudders and Empennage |
| 244/71 | (59) Aircraft Control (70) Rudders and Empennage (71) Rudders Universally Mounted |
| 244/72 | (59) Aircraft Control (70) Rudders and Empennage (72) Ailerons and Roll Control Devices |
| 244/73 | (59) Aircraft Control (73) Vertical Fins |
| 244/74 | (59) Aircraft Control (74) Stabilizing Propellers |
| 244/75 | (59) Aircraft Control (75) Stabilizing Ballast and Weights |
| 244/76 | (76) Landing Gear |
| 244/77 | (76) Landing Gear (77) Amphibious |
| 244/78 | (76) Landing Gear (78) Endless Track or Belt |
| 244/79 | (76) Landing Gear (79) Retractable |
| 244/80 | (76) Landing Gear (80) Wheel |
| 244/81 | (76) Landing Gear (80) Wheel (81) Resiliently Mounted |
| 244/82 | (76) Landing Gear (82) Water Landing |
| 244/83 | (76) Landing Gear (82) Water Landing (83) Flying Boat |
| 244/84 | (76) Landing Gear (84) Skids |
| 244/85 | (76) Landing Gear (85) Tail Supports |
| 244/86 | (86) Retarding And Restraining Devices |
| 244/87 | (86) Retarding And Restraining Devices (87) Wheel Brakes |
| 244/88 | (86) Retarding And Restraining Devices (88) Aerodynamic Retarders |
| 244/89 | (89) Aerial Pick-Up And Towing |
| 244/90 | (90) Aerial Refuelling |
| 244/91 | (91) Landing Field Arrangement |
| 244/92 | (91) Landing Field Arrangement (92) Mooring Devices |
| 244/93 | (93) Aircraft Structure |
| 244/94 | (93) Aircraft Structure (94) Fuselage and Body Construction |
| 244/95 | (93) Aircraft Structure (94) Fuselage and Body Construction (95) Shields and Protective Devices |
| 244/96 | (93) Aircraft Structure (94) Fuselage and Body Construction (96) Seats and seat Mechanisms |
| 244/97 | (93) Aircraft Structure (97) Passenger and Cargo Arrangement |
| 244/98 | (93) Aircraft Structure (98) Airfoils |
| 244/99 | (93) Aircraft Structure (98) Airfoils (99) Stressed Skin Type |
| 244/100 | (93) Aircraft Structure (98) Airfoils (100) Internal Bracing |
| 244/101 | (93) Aircraft Structure (101) Details |
| 244/102 | (93) Aircraft Structure (101) Details (102) Joints and Connections |
| 244/103 | (93) Aircraft Structure (101) Details (103) Fuel Supply and Tanks |
| 244/104 | (93) Aircraft Structure (101) Details (104) Material Discharging and Diffusing |
| 244/105 | (93) Aircraft Structure (105) Ice Prevention |
| 244/106 | (93) Aircraft Structure (105) Ice Prevention (106) Propeller or Rotor |
| 244/107 | (93) Aircraft Structure (105) Ice Prevention (107) Fluid |
| 244/108 | (93) Aircraft Structure (105) Ice Prevention (108) Inflated |
| 244/109 | (93) Aircraft Structure (105) Ice Prevention (109) Heated |
| 244/110 | (110) Safety Lowering Devices |
| 244/111 | (110) Safety Lowering Devices (111) Entire Aircraft |
| 244/112 | (110) Safety Lowering Devices (112) Passenger Compartment or Seat |
| 244/113 | (110) Safety Lowering Devices (113) Parachutes |
| 244/114 | (110) Safety Lowering Devices (113) Parachutes (114) Garment Attached |
| 244/115 | (110) Safety Lowering Devices (113) Parachutes (115) Canopy Construction |
| 244/116 | (110) Safety Lowering Devices (113) Parachutes (116) Storage and Release |
| 244/117 | (110) Safety Lowering Devices (113) Parachutes (117) Packs and Openers |
| 244/119 | (119) Kites |
| 244/120 | (120) Propellers |