PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
- § 25.1 Applicability
- § 25.2 Special retroactive requirements
- § 25.3 Special provisions for ETOPS type design approvals
- § 25.5 Incorporations by reference
- § 25.21 Proof of compliance
- § 25.23 Load distribution limits
- § 25.25 Weight limits
- § 25.27 Center of gravity limits
- § 25.29 Empty weight and corresponding center of gravity
- § 25.31 Removable ballast
- § 25.33 Propeller speed and pitch limits
- § 25.101 General
- § 25.103 Stall speed
- § 25.105 Takeoff
- § 25.107 Takeoff speeds
- § 25.109 Accelerate-stop distance
- § 25.111 Takeoff path
- § 25.113 Takeoff distance and takeoff run
- § 25.115 Takeoff flight path
- § 25.117 Climb: general
- § 25.119 Landing climb: All-engines-operating
- § 25.121 Climb: One-engine-inoperative
- § 25.123 En route flight paths
- § 25.125 Landing
- § 25.143 General
- § 25.145 Longitudinal control
- § 25.147 Directional and lateral control
- § 25.149 Minimum control speed
- § 25.161 Trim
- § 25.171 General
- § 25.173 Static longitudinal stability
- § 25.175 Demonstration of static longitudinal stability
- § 25.177 Static lateral-directional stability
- § 25.181 Dynamic stability
- § 25.201 Stall demonstration
- § 25.203 Stall characteristics
- § 25.207 Stall warning
- § 25.231 Longitudinal stability and control
- § 25.233 Directional stability and control
- § 25.235 Taxiing condition
- § 25.237 Wind velocities
- § 25.239 Spray characteristics, control, and stability on water
- § 25.251 Vibration and buffeting
- § 25.253 High-speed characteristics
- § 25.255 Out-of-trim characteristics
- § 25.301 Loads
- § 25.303 Factor of safety
- § 25.305 Strength and deformation
- § 25.307 Proof of structure
- § 25.321 General
- § 25.331 Symmetric maneuvering conditions
- § 25.333 Flight maneuvering envelope
- § 25.335 Design airspeeds
- § 25.337 Limit maneuvering load factors
- § 25.341 Gust and turbulence loads
- § 25.343 Design fuel and oil loads
- § 25.345 High lift devices
- § 25.349 Rolling conditions
- § 25.351 Yaw maneuver conditions
- § 25.361 Engine and auxiliary power unit torque
- § 25.362 Engine failure loads
- § 25.363 Side load on engine and auxiliary power unit mounts
- § 25.365 Pressurized compartment loads
- § 25.367 Unsymmetrical loads due to engine failure
- § 25.371 Gyroscopic loads
- § 25.373 Speed control devices
- § 25.391 Control surface loads: General
- § 25.393 Loads parallel to hinge line
- § 25.395 Control system
- § 25.397 Control system loads
- § 25.399 Dual control system
- § 25.405 Secondary control system
- § 25.407 Trim tab effects
- § 25.409 Tabs
- § 25.415 Ground gust conditions
- § 25.427 Unsymmetrical loads
- § 25.445 Auxiliary aerodynamic surfaces
- § 25.457 Wing flaps
- § 25.459 Special devices
- § 25.471 General
- § 25.473 Landing load conditions and assumptions
- § 25.477 Landing gear arrangement
- § 25.479 Level landing conditions
- § 25.481 Tail-down landing conditions
- § 25.483 One-gear landing conditions
- § 25.485 Side load conditions
- § 25.487 Rebound landing condition
- § 25.489 Ground handling conditions
- § 25.491 Taxi, takeoff and landing roll
- § 25.493 Braked roll conditions
- § 25.495 Turning
- § 25.497 Tail-wheel yawing
- § 25.499 Nose-wheel yaw and steering
- § 25.503 Pivoting
- § 25.507 Reversed braking
- § 25.509 Towing loads
- § 25.511 Ground load: unsymmetrical loads on multiple-wheel units
- § 25.519 Jacking and tie-down provisions
- § 25.521 General
- § 25.523 Design weights and center of gravity positions
- § 25.525 Application of loads
- § 25.527 Hull and main float load factors
- § 25.529 Hull and main float landing conditions
- § 25.531 Hull and main float takeoff condition
- § 25.533 Hull and main float bottom pressures
- § 25.535 Auxiliary float loads
- § 25.537 Seawing loads
- § 25.561 General
- § 25.562 Emergency landing dynamic conditions
- § 25.563 Structural ditching provisions
- § 25.571 Damage—tolerance and fatigue evaluation of structure
- § 25.581 Lightning protection
- § 25.601 General
- § 25.603 Materials
- § 25.605 Fabrication methods
- § 25.607 Fasteners
- § 25.609 Protection of structure
- § 25.611 Accessibility provisions
- § 25.613 Material strength properties and material design values
- § 25.619 Special factors
- § 25.621 Casting factors
- § 25.623 Bearing factors
- § 25.625 Fitting factors
- § 25.629 Aeroelastic stability requirements
- § 25.631 Bird strike damage
- § 25.651 Proof of strength
- § 25.655 Installation
- § 25.657 Hinges
- § 25.671 General
- § 25.672 Stability augmentation and automatic and power-operated systems
- § 25.675 Stops
- § 25.677 Trim systems
- § 25.679 Control system gust locks
- § 25.681 Limit load static tests
- § 25.683 Operation tests
- § 25.685 Control system details
- § 25.689 Cable systems
- § 25.693 Joints
- § 25.697 Lift and drag devices, controls
- § 25.699 Lift and drag device indicator
- § 25.701 Flap and slat interconnection
- § 25.703 Takeoff warning system
- § 25.721 General
- § 25.723 Shock absorption tests
- § 25.729 Retracting mechanism
- § 25.731 Wheels
- § 25.733 Tires
- § 25.735 Brakes and braking systems
- § 25.737 Skis
- § 25.751 Main float buoyancy
- § 25.753 Main float design
- § 25.755 Hulls
- § 25.771 Pilot compartment
- § 25.772 Pilot compartment doors
- § 25.773 Pilot compartment view
- § 25.775 Windshields and windows
- § 25.777 Cockpit controls
- § 25.779 Motion and effect of cockpit controls
- § 25.781 Cockpit control knob shape
- § 25.783 Fuselage doors
- § 25.785 Seats, berths, safety belts, and harnesses
- § 25.787 Stowage compartments
- § 25.789 Retention of items of mass in passenger and crew compartments and galleys
- § 25.791 Passenger information signs and placards
- § 25.793 Floor surfaces
- § 25.795 Security considerations
- § 25.801 Ditching
- § 25.803 Emergency evacuation
- § 25.807 Emergency exits
- § 25.809 Emergency exit arrangement
- § 25.810 Emergency egress assist means and escape routes
- § 25.811 Emergency exit marking
- § 25.812 Emergency lighting
- § 25.813 Emergency exit access
- § 25.815 Width of aisle
- § 25.817 Maximum number of seats abreast
- § 25.819 Lower deck service compartments (including galleys)
- § 25.820 Lavatory doors
- § 25.831 Ventilation
- § 25.832 Cabin ozone concentration
- § 25.833 Combustion heating systems
- § 25.841 Pressurized cabins
- § 25.843 Tests for pressurized cabins
- § 25.851 Fire extinguishers
- § 25.853 Compartment interiors
- § 25.854 Lavatory fire protection
- § 25.855 Cargo or baggage compartments
- § 25.856 Thermal/Acoustic insulation materials
- § 25.857 Cargo compartment classification
- § 25.858 Cargo or baggage compartment smoke or fire detection systems
- § 25.859 Combustion heater fire protection
- § 25.863 Flammable fluid fire protection
- § 25.865 Fire protection of flight controls, engine mounts, and other flight structure
- § 25.867 Fire protection: other components
- § 25.869 Fire protection: systems
- § 25.871 Leveling means
- § 25.875 Reinforcement near propellers
- § 25.899 Electrical bonding and protection against static electricity
- § 25.901 Installation
- § 25.903 Engines
- § 25.904 Automatic takeoff thrust control system (ATTCS)
- § 25.905 Propellers
- § 25.907 Propeller vibration and fatigue
- § 25.925 Propeller clearance
- § 25.929 Propeller deicing
- § 25.933 Reversing systems
- § 25.934 Turbojet engine thrust reverser system tests
- § 25.937 Turbopropeller-drag limiting systems
- § 25.939 Turbine engine operating characteristics
- § 25.941 Inlet, engine, and exhaust compatibility
- § 25.943 Negative acceleration
- § 25.945 Thrust or power augmentation system
- § 25.951 General
- § 25.952 Fuel system analysis and test
- § 25.953 Fuel system independence
- § 25.954 Fuel system lightning protection
- § 25.955 Fuel flow
- § 25.957 Flow between interconnected tanks
- § 25.959 Unusable fuel supply
- § 25.961 Fuel system hot weather operation
- § 25.963 Fuel tanks: general
- § 25.965 Fuel tank tests
- § 25.967 Fuel tank installations
- § 25.969 Fuel tank expansion space
- § 25.971 Fuel tank sump
- § 25.973 Fuel tank filler connection
- § 25.975 Fuel tank vents and carburetor vapor vents
- § 25.977 Fuel tank outlet
- § 25.979 Pressure fueling system
- § 25.981 Fuel tank ignition prevention
- § 25.991 Fuel pumps
- § 25.993 Fuel system lines and fittings
- § 25.994 Fuel system components
- § 25.995 Fuel valves
- § 25.997 Fuel strainer or filter
- § 25.999 Fuel system drains
- § 25.1001 Fuel jettisoning system
- § 25.1011 General
- § 25.1013 Oil tanks
- § 25.1015 Oil tank tests
- § 25.1017 Oil lines and fittings
- § 25.1019 Oil strainer or filter
- § 25.1021 Oil system drains
- § 25.1023 Oil radiators
- § 25.1025 Oil valves
- § 25.1027 Propeller feathering system
- § 25.1041 General
- § 25.1043 Cooling tests
- § 25.1045 Cooling test procedures
- § 25.1091 Air induction
- § 25.1093 Induction system icing protection
- § 25.1101 Carburetor air preheater design
- § 25.1103 Induction system ducts and air duct systems
- § 25.1105 Induction system screens
- § 25.1107 Inter-coolers and after-coolers
- § 25.1121 General
- § 25.1123 Exhaust piping
- § 25.1125 Exhaust heat exchangers
- § 25.1127 Exhaust driven turbo-superchargers
- § 25.1141 Powerplant controls: general
- § 25.1142 Auxiliary power unit controls
- § 25.1143 Engine controls
- § 25.1145 Ignition switches
- § 25.1147 Mixture controls
- § 25.1149 Propeller speed and pitch controls
- § 25.1153 Propeller feathering controls
- § 25.1155 Reverse thrust and propeller pitch settings below the flight regime
- § 25.1157 Carburetor air temperature controls
- § 25.1159 Supercharger controls
- § 25.1161 Fuel jettisoning system controls
- § 25.1163 Powerplant accessories
- § 25.1165 Engine ignition systems
- § 25.1167 Accessory gearboxes
- § 25.1181 Designated fire zones; regions included
- § 25.1182 Nacelle areas behind firewalls, and engine pod attaching structures containing flammable fluid lines
- § 25.1183 Flammable fluid-carrying components
- § 25.1185 Flammable fluids
- § 25.1187 Drainage and ventilation of fire zones
- § 25.1189 Shutoff means
- § 25.1191 Firewalls
- § 25.1192 Engine accessory section diaphragm
- § 25.1193 Cowling and nacelle skin
- § 25.1195 Fire extinguishing systems
- § 25.1197 Fire extinguishing agents
- § 25.1199 Extinguishing agent containers
- § 25.1201 Fire extinguishing system materials
- § 25.1203 Fire detector system
- § 25.1207 Compliance
- § 25.1301 Function and installation
- § 25.1302 Installed systems and equipment for use by the flightcrew
- § 25.1303 Flight and navigation instruments
- § 25.1305 Powerplant instruments
- § 25.1307 Miscellaneous equipment
- § 25.1309 Equipment, systems, and installations
- § 25.1310 Power source capacity and distribution
- § 25.1316 Electrical and electronic system lightning protection
- § 25.1317 High-intensity Radiated Fields (HIRF) Protection
- § 25.1321 Arrangement and visibility
- § 25.1322 Flightcrew alerting
- § 25.1323 Airspeed indicating system
- § 25.1324 Angle of attack system
- § 25.1325 Static pressure systems
- § 25.1326 Pitot heat indication systems
- § 25.1327 Magnetic direction indicator
- § 25.1329 Flight guidance system
- § 25.1331 Instruments using a power supply
- § 25.1333 Instrument systems
- § 25.1337 Powerplant instruments
- § 25.1351 General
- § 25.1353 Electrical equipment and installations
- § 25.1355 Distribution system
- § 25.1357 Circuit protective devices
- § 25.1360 Precautions against injury
- § 25.1362 Electrical supplies for emergency conditions
- § 25.1363 Electrical system tests
- § 25.1365 Electrical appliances, motors, and transformers
- § 25.1381 Instrument lights
- § 25.1383 Landing lights
- § 25.1385 Position light system installation
- § 25.1387 Position light system dihedral angles
- § 25.1389 Position light distribution and intensities
- § 25.1391 Minimum intensities in the horizontal plane of forward and rear position lights
- § 25.1393 Minimum intensities in any vertical plane of forward and rear position lights
- § 25.1395 Maximum intensities in overlapping beams of forward and rear position lights
- § 25.1397 Color specifications
- § 25.1399 Riding light
- § 25.1401 Anticollision light system
- § 25.1403 Wing icing detection lights
- § 25.1411 General
- § 25.1415 Ditching equipment
- § 25.1419 Ice protection
- § 25.1420 Supercooled large drop icing conditions
- § 25.1421 Megaphones
- § 25.1423 Public address system
- § 25.1431 Electronic equipment
- § 25.1433 Vacuum systems
- § 25.1435 Hydraulic systems
- § 25.1438 Pressurization and pneumatic systems
- § 25.1439 Protective breathing equipment
- § 25.1441 Oxygen equipment and supply
- § 25.1443 Minimum mass flow of supplemental oxygen
- § 25.1445 Equipment standards for the oxygen distributing system
- § 25.1447 Equipment standards for oxygen dispensing units
- § 25.1449 Means for determining use of oxygen
- § 25.1450 Chemical oxygen generators
- § 25.1453 Protection of oxygen equipment from rupture
- § 25.1455 Draining of fluids subject to freezing
- § 25.1457 Cockpit voice recorders
- § 25.1459 Flight data recorders
- § 25.1461 Equipment containing high energy rotors
- § 25.1501 General
- § 25.1503 Airspeed limitations: general
- § 25.1505 Maximum operating limit speed
- § 25.1507 Maneuvering speed
- § 25.1511 Flap extended speed
- § 25.1513 Minimum control speed
- § 25.1515 Landing gear speeds
- § 25.1516 Other speed limitations
- § 25.1517 Rough air speed, VRA
- § 25.1519 Weight, center of gravity, and weight distribution
- § 25.1521 Powerplant limitations
- § 25.1522 Auxiliary power unit limitations
- § 25.1523 Minimum flight crew
- § 25.1525 Kinds of operation
- § 25.1527 Ambient air temperature and operating altitude
- § 25.1529 Instructions for Continued Airworthiness
- § 25.1531 Maneuvering flight load factors
- § 25.1533 Additional operating limitations
- § 25.1535 ETOPS approval
- § 25.1541 General
- § 25.1543 Instrument markings: general
- § 25.1545 Airspeed limitation information
- § 25.1547 Magnetic direction indicator
- § 25.1549 Powerplant and auxiliary power unit instruments
- § 25.1551 Oil quantity indication
- § 25.1553 Fuel quantity indicator
- § 25.1555 Control markings
- § 25.1557 Miscellaneous markings and placards
- § 25.1561 Safety equipment
- § 25.1563 Airspeed placard
- § 25.1581 General
- § 25.1583 Operating limitations
- § 25.1585 Operating procedures
- § 25.1587 Performance information
- § 25.1701 Definition
- § 25.1703 Function and installation: EWIS
- § 25.1705 Systems and functions: EWIS
- § 25.1707 System separation: EWIS
- § 25.1709 System safety: EWIS
- § 25.1711 Component identification: EWIS
- § 25.1713 Fire protection: EWIS
- § 25.1715 Electrical bonding and protection against static electricity: EWIS
- § 25.1717 Circuit protective devices: EWIS
- § 25.1719 Accessibility provisions: EWIS
- § 25.1721 Protection of EWIS
- § 25.1723 Flammable fluid fire protection: EWIS
- § 25.1725 Powerplants: EWIS
- § 25.1727 Flammable fluid shutoff means: EWIS
- § 25.1729 Instructions for Continued Airworthiness: EWIS
- § 25.1731 Powerplant and APU fire detector system: EWIS
- § 25.1733 Fire detector systems, general: EWIS
- § 25.1801 SFAR No. 111—Lavatory Oxygen Systems
- Appendix A to Part 25
- Appendix B to Part 25
- Appendix C to Part 25
- Appendix D to Part 25
- Appendix E to Part 25
- Appendix F to Part 25
- Appendix H to Part 25—Instructions for Continued Airworthiness
- Appendix I to Part 25—Installation of an Automatic Takeoff Thrust Control System (ATTCS)
- Appendix J to Part 25—Emergency Evacuation
- Appendix K to Part 25—Extended Operations (ETOPS)
- Appendix L to Part 25—HIRF Environments and Equipment HIRF Test Levels
- Appendix M to Part 25—Fuel Tank System Flammability Reduction Means
- Appendix N TO Part 25—Fuel Tank Flammability Exposure and Reliability Analysis
- Appendix O to Part 25—Supercooled Large Drop Icing Conditions