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Easy Access Rules for Large Aeroplanes (CS-25)

Revision from January 2023
30 Jan 2023
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30 January 2023
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Easy Access Rules for Large Aeroplanes (CS-25)

Revision from January 2023

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Table of contents

  • Disclaimer
  • Note from the editor
  • Certification specification
    • Acceptable means of compliance
  • Incorporated amendments
  • Preamble
  • SUBPART A – GENERAL
    • CS 25.1 Applicability
  • SUBPART B – FLIGHT
    • GENERAL
      • CS 25.20 Scope
      • CS 25.21 Proof of compliance
      • CS 25.23 Load distribution limits
      • CS 25.25 Weight Limits
      • CS 25.27 Centre of gravity limits
      • CS 25.29 Empty weight and corresponding centre of gravity
      • CS 25.31 Removable ballast
      • CS 25.33 Propeller speed and pitch limits
    • PERFORMANCE
      • CS 25.101 General
      • CS 25.103 Stall speed
      • CS 25.105 Take-off
      • CS 25.107 Take-off speeds
      • CS 25.109 Accelerate-stop distance
      • CS 25.111 Take-off path
      • CS 25.113 Take-off distance and take-off run
      • CS 25.115 Take-off flight path
      • CS 25.117 Climb: general
      • CS 25.119 Landing climb: all engines operating
      • CS 25.121 Climb: one-engine-inoperative
      • CS 25.123 En-route flight paths
      • CS 25.125 Landing
    • CONTROLLABILITY AND MANOEUVRABILITY
      • CS 25.143 General
      • CS 25.145 Longitudinal control
      • CS 25.147 Directional and lateral control
      • CS 25.149 Minimum control speed
    • TRIM
      • CS 25.161 Trim
    • STABILITY
      • CS 25.171 General
      • CS 25.173 Static longitudinal stability
      • CS 25.175 Demonstration of static longitudinal stability
      • CS 25.177 Static directional and lateral stability
      • CS 25.181 Dynamic stability
    • STALLS
      • CS 25.201 Stall demonstration
      • CS 25.203 Stall characteristics
      • CS 25.207 Stall warning
    • GROUND HANDLING CHARACTERISTICS
      • CS 25.231 Longitudinal stability and control
      • CS 25.233 Directional stability and control
      • CS 25.235 Taxying condition
      • CS 25.237 Wind velocities
    • MISCELLANEOUS FLIGHT REQUIREMENTS
      • CS 25.251 Vibration and buffeting
      • CS 25.253 High-speed characteristics
      • CS 25.255 Out-of-trim characteristics
  • SUBPART C – STRUCTURE
    • GENERAL
      • CS 25.301 Loads
      • CS 25.302 Interaction of systems and structures
      • CS 25.303 Factor of safety
      • CS 25.305 Strength and deformation
      • CS 25.307 Proof of structure
    • FLIGHT LOADS
      • CS 25.321 General
    • FLIGHT MANOEUVRE AND GUST CONDITIONS
      • CS 25.331 Symmetric manoeuvring conditions
      • CS 25.333 Flight manoeuvring envelope
      • CS 25.335 Design airspeeds
      • CS 25.337 Limit manoeuvring load factors
      • CS 25.341 Gust and turbulence loads
      • CS 25.343 Design fuel and oil loads
      • CS 25.345 High lift devices
      • CS 25.349 Rolling conditions
      • CS 25.351 Yaw manoeuvre conditions
      • CS 25.353  Rudder control reversal conditions
    • SUPPLEMENTARY CONDITIONS
      • CS 25.361 Engine and auxiliary power unit torque
      • CS 25.362 Engine failure loads
      • CS 25.363 Side load on engine and auxiliary power unit mounts
      • CS 25.365 Pressurised compartment loads
      • CS 25.367 Unsymmetrical loads due to engine failure
      • CS 25.371 Gyroscopic loads
      • CS 25.373 Speed control devices
    • CONTROL SURFACE AND SYSTEM LOADS
      • CS 25.391 Control surface loads: general
      • CS 25.393 Loads parallel to hinge line
      • CS 25.395 Control system
      • CS 25.397 Control system loads
      • CS 25.399 Dual control system
      • CS 25.405 Secondary control system
      • CS 25.407 Trim tab effects
      • CS 25.409 Tabs
      • CS 25.415 Ground gust conditions
      • CS 25.427 Unsymmetrical loads
      • CS 25.445 Outboard fins
      • CS 25.457 Wing-flaps
      • CS 25.459 Special devices
    • GROUND LOADS
      • CS 25.471 General
      • CS 25.473 Landing load conditions and assumptions
      • CS 25.477 Landing gear arrangement
      • CS 25.479 Level landing conditions
      • CS 25.481 Tail-down landing conditions
      • CS 25.483 One-gear landing conditions
      • CS 25.485 Side load conditions
      • CS 25.487 Rebound landing condition
      • CS 25.489 Ground handling conditions
      • CS 25.491 Taxi, take-off and landing roll
      • CS 25.493 Braked roll conditions
      • CS 25.495 Turning
      • CS 25.497 Tail-wheel yawing
      • CS 25.499 Nose-wheel yaw and steering
      • CS 25.503 Pivoting
      • CS 25.507 Reversed braking
      • CS 25.509 Towing Loads
      • CS 25.511 Ground load: unsymmetrical loads on multiple-wheel units
      • CS 25.519 Jacking and tie-down provisions
    • EMERGENCY LANDING CONDITIONS
      • CS 25.561 General
      • CS 25.562 Emergency landing dynamic conditions
      • CS 25.563 Structural ditching provisions
    • FATIGUE EVALUATION
      • CS 25.571 Damage tolerance and fatigue evaluation of structure
    • LIGHTNING PROTECTION
      • CS 25.581 Lightning protection
  • SUBPART D – DESIGN AND CONSTRUCTION
    • GENERAL
      • CS 25.601 General
      • CS 25.603 Materials
      • CS 25.605 Fabrication methods
      • CS 25.607 Fasteners
      • CS 25.609 Protection of structure
      • CS 25.611 Accessibility provisions
      • CS 25.613 Material strength properties and Material Design Values
      • CS 25.619 Special factors
      • CS 25.621 Casting factors
      • CS 25.623 Bearing factors
      • CS 25.625 Fitting factors
      • CS 25.629 Aeroelastic stability requirements
      • CS 25.631 Bird strike damage
    • CONTROL SURFACES
      • CS 25.651 Proof of strength
      • CS 25.655 Installation
      • CS 25.657 Hinges
    • CONTROL SYSTEMS
      • CS 25.671 General
      • CS 25.672 Stability augmentation and automatic and power-operated systems
      • CS 25.675 Stops
      • CS 25.677 Trim systems
      • CS 25.679 Control system gust locks
      • CS 25.681 Limit load static tests
      • CS 25.683 Operation tests
      • CS 25.685 Control system details
      • CS 25.689 Cable systems
      • CS 25.693 Joints
      • CS 25.697 Lift and drag devices, controls
      • CS 25.699 Lift and drag device indicator
      • CS 25.701 Flap and slat interconnection
      • CS 25.703 Take-off warning system
      • CS 25.705 Runway overrun awareness and alerting systems
    • LANDING GEAR
      • CS 25.721 General
      • CS 25.723 Shock absorption tests
      • CS 25.729 Extending and retracting mechanisms
      • CS 25.731 Wheels
      • CS 25.733 Tyres
      • CS 25.734 Protection against wheel and tyre failures
      • CS 25.735 Brakes and braking systems
      • CS 25.745 Nose-wheel steering
    • PERSONNEL AND CARGO ACCOMMODATIONS
      • CS 25.771 Pilot compartment
      • CS 25.772 Pilot compartment doors
      • CS 25.773 Pilot compartment view
      • CS 25.775 Windshields and windows
      • CS 25.777 Cockpit controls
      • CS 25.779 Motion and effect of cockpit controls
      • CS 25.781 Cockpit control knob shape
      • CS 25.783 Fuselage Doors
      • CS 25.785 Seats, berths, safety belts and harnesses
      • CS 25.787 Stowage compartments
      • CS 25.788 Passenger amenities
      • CS 25.789 Retention of items of mass in passenger and crew compartments and galleys
      • CS 25.791  Passenger information signs and placards
      • CS 25.793 Floor surfaces
      • CS 25.795 Security considerations
    • EMERGENCY PROVISIONS
      • CS 25.801 Ditching
      • CS 25.803 Emergency evacuation
      • CS 25.807 Emergency exits
      • CS 25.809 Emergency exit arrangement
      • CS 25.810 Emergency egress assisting means and escape routes
      • CS 25.811 Emergency exit marking
      • CS 25.812 Emergency lighting
      • CS 25.813 Emergency exit access and ease of operation
      • CS 25.815 Width of aisle
      • CS 25.817 Maximum number of seats abreast
      • CS 25.819 Lower deck service compartments (including galleys)
      • CS 25.820 Lavatory doors
    • VENTILATION AND HEATING
      • CS 25.831  Ventilation
      • CS 25.832 Cabin ozone concentration
      • CS 25.833 Combustion heating systems
    • PRESSURISATION
      • CS 25.841 Pressurised cabins
      • CS 25.843 Tests for pressurised cabins
    • FIRE PROTECTION
      • CS 25.851 Fire extinguishers
      • CS 25.853  Compartment interiors
      • CS 25.854 Lavatory fire protection
      • CS 25.855 Cargo or baggage compartments
      • CS 25.856 Thermal/acoustic insulation materials
      • CS 25.857 Cargo compartment classification
      • CS 25.858 Cargo or baggage compartment smoke or fire detection systems
      • CS 25.859 Combustion heater fire protection
      • CS 25.863 Flammable fluid fire protection
      • CS 25.865 Fire protection of flight controls, engine mounts, and other flight structure
      • CS 25.867 Fire protection: other components
      • CS 25.869 Fire protection: systems
    • MISCELLANEOUS
      • CS 25.871 Levelling means
      • CS 25.875 Reinforcement near propellers
      • CS 25.899 Electrical bonding and protection against static electricity
  • SUBPART E – POWERPLANT
    • GENERAL
      • CS 25.901 Installation
      • CS 25.903 Engines
      • CS 25.904 Automatic Takeoff Thrust Control System (ATTCS)
      • CS 25.905 Propellers
      • CS 25.907 Propeller vibration
      • CS 25.925 Propeller clearance
      • CS 25.929 Propeller de-icing
      • CS 25.933 Reversing systems
      • CS 25.934 Turbo-jet engine thrust reverser system tests
      • CS 25.937 Turbo-propeller-drag limiting systems
      • CS 25.939 Turbine engine operating characteristics
      • CS 25.941 Inlet, engine, and exhaust compatibility
      • CS 25.943 Negative acceleration
      • CS 25.945 Thrust or power augmentation system
    • FUEL SYSTEM
      • CS 25.951 General
      • CS 25.952 Fuel system analysis and test
      • CS 25.953 Fuel system independence
      • CS 25.954 Fuel system lightning protection
      • CS 25.955 Fuel flow
      • CS 25.957 Flow between interconnected tanks
      • CS 25.959 Unusable fuel supply
      • CS 25.961 Fuel system hot weather operation
      • CS 25.963 Fuel tanks: general
      • CS 25.965 Fuel tank tests
      • CS 25.967 Fuel tank installations
      • CS 25.969 Fuel tank expansion space
      • CS 25.971 Fuel tank sump
      • CS 25.973 Fuel tank filler connection
      • CS 25.975 Fuel tank vents
      • CS 25.977 Fuel tank outlet
      • CS 25.979 Pressure fuelling system
      • CS 25.981 Fuel tank explosion prevention
    • FUEL SYSTEM COMPONENTS
      • CS 25.991 Fuel pumps
      • CS 25.993 Fuel system lines and fittings
      • CS 25.994 Fuel system components
      • CS 25.995 Fuel valves
      • CS 25.997 Fuel strainer or filter
      • CS 25.999 Fuel systems drains
      • CS 25.1001 Fuel jettisoning system
    • OIL SYSTEM
      • CS 25.1011 General
      • CS 25.1013 Oil tanks
      • CS 25.1015 Oil tank tests
      • CS 25.1017 Oil lines and fittings
      • CS 25.1019 Oil strainer or filter
      • CS 25.1021 Oil system drains
      • CS 25.1023 Oil radiators
      • CS 25.1025 Oil valves
      • CS 25.1027 Propeller feathering system
    • COOLING
      • CS 25.1041 General
      • CS 25.1043 Cooling tests
      • CS 25.1045 Cooling test procedures
    • AIR INTAKE SYSTEM
      • CS 25.1091 Air intake
      • CS 25.1093 Air intake system de-icing and anti-icing provisions
      • CS 25.1103 Air intake system ducts and air duct systems
    • EXHAUST SYSTEM
      • CS 25.1121 General
      • CS 25.1123 Exhaust piping
    • POWERPLANT CONTROLS AND ACCESSORIES
      • CS 25.1141 Powerplant controls: general
      • CS 25.1143 Engine controls
      • CS 25.1145 Ignition switches
      • CS 25.1149 Propeller speed and pitch controls
      • CS 25.1153 Propeller feathering controls
      • CS 25.1155 Reverse thrust and propeller pitch settings below the flight regime
      • CS 25.1161 Fuel jettisoning system controls
      • CS 25.1163 Powerplant accessories
      • CS 25.1165 Engine ignition systems
      • CS 25.1167 Accessory gearboxes
    • POWERPLANT FIRE PROTECTION
      • CS 25.1181 Designated fire zones: regions included
      • CS 25.1182 Nacelle areas behind firewalls, and engine pod attaching structures containing flammable fluid lines
      • CS 25.1183 Flammable fluid-carrying components
      • CS 25.1185 Flammable fluids
      • CS 25.1187 Drainage and ventilation of fire zones
      • CS 25.1189 Shut-off means
      • CS 25.1191 Firewalls
      • CS 25.1193 Cowling and nacelle skin
      • CS 25.1195 Fire-extinguisher systems
      • CS 25.1197 Fire-extinguishing agents
      • CS 25.1199 Extinguishing agent containers
      • CS 25.1201 Fire extinguishing system materials
      • CS 25.1203 Fire-detector system
      • CS 25.1207 Compliance
  • SUBPART F – EQUIPMENT
    • GENERAL
      • CS 25.1301 Function and installation
      • CS 25.1302 Installed systems and equipment for use by the flight crew
      • CS 25.1303 Flight and navigation instruments
      • CS 25.1305 Powerplant instruments
      • CS 25.1307 Miscellaneous equipment
      • CS 25.1309 Equipment, systems and installations
      • CS 25.1310 Power source capacity and distribution
      • CS 25.1315 Negative acceleration
      • CS 25.1316 Electrical and electronic system lightning protection
      • CS 25.1317 High-Intensity Radiated Fields (HIRF) protection
      • CS 25.1319 Equipment, systems and network information protection
    • INSTRUMENTS: INSTALLATION
      • CS 25.1321 Arrangement and visibility
      • CS 25.1322 Flight Crew Alerting
      • CS 25.1323 Airspeed indicating system
      • CS 25.1324 Flight instrument external probes
      • CS 25.1325 Static pressure systems
      • CS 25.1326 Flight instrument external probes heating systems alert
      • CS 25.1327 Direction Indicator
      • CS 25.1329 Flight Guidance System
      • CS 25.1331 Instruments using a power supply
      • CS 25.1333 Instrument systems
      • CS 25.1337 Powerplant instruments
    • ELECTRICAL SYSTEMS AND EQUIPMENT
      • CS 25.1351 General
      • CS 25.1353 Electrical equipment and installations
      • CS 25.1355 Distribution system
      • CS 25.1357 Circuit protective devices
      • CS 25.1360 Precautions against injury
      • CS 25.1362 Electrical supplies for emergency conditions
      • CS 25.1363 Electrical system tests
      • CS 25.1365 Electrical appliances, motors and transformers
    • LIGHTS
      • CS 25.1381 Instrument lights
      • CS 25.1383 Landing lights
      • CS 25.1385 Position light system installation
      • CS 25.1387 Position light system dihedral angles
      • CS 25.1389 Position light distribution and intensities
      • CS 25.1391 Minimum intensities in the horizontal plane of forward and rear position lights
      • CS 25.1393 Minimum intensities in any vertical plane of forward and rear position lights
      • CS 25.1395 Maximum intensities in over-lapping beams of forward and rear position lights
      • CS 25.1397 Colour specifications
      • CS 25.1401 Anti-collision light system
      • CS 25.1403 Wing icing detection lights
    • SAFETY EQUIPMENT
      • CS 25.1411 General
      • CS 25.1415 Ditching equipment
      • CS 25.1419 Ice Protection
      • CS 25.1420 Supercooled large drop icing conditions
      • CS 25.1421 Megaphones
      • CS 25.1423 Public address system
    • MISCELLANEOUS EQUIPMENT
      • CS 25.1431 Electronic equipment
      • CS 25.1433 Vacuum systems
      • CS 25.1435 Hydraulic Systems
      • CS 25.1436 Pneumatic systems – high pressure
      • CS 25.1438 Pressurisation and low pressure pneumatic systems
      • CS 25.1439 Protective breathing equipment
      • CS 25.1441  Oxygen equipment and supply
      • CS 25.1443 Minimum mass flow of supplemental oxygen
      • CS 25.1445 Equipment standards for the oxygen distributing system
      • CS 25.1447 Equipment standards for oxygen dispensing units
      • CS 25.1449 Means for determining use of oxygen
      • CS 25.1450 Chemical oxygen generators
      • CS 25.1453 Protection of oxygen equipment from rupture
      • CS 25.1455 Draining of fluids subject to freezing
      • CS 25.1457 Cockpit voice recorders
      • CS 25.1459 Flight data recorders
      • CS 25.1460 Data link recorders
      • CS 25.1461 Equipment containing high-energy rotors
  • SUBPART G – OPERATING LIMITATIONS AND INFORMATION
    • CS 25.1501 General
      • AMC 25.1501 Operating Limitations and Information - General
    • OPERATING LIMITATIONS
      • CS 25.1503 Airspeed limitations: general
      • CS 25.1505 Maximum operating limit speed
      • CS 25.1507 Manoeuvring speed
      • CS 25.1511 Flap extended speed
      • CS 25.1513 Minimum control speed
      • CS 25.1515 Landing gear speeds
      • CS 25.1516 Other speed limitations
      • CS 25.1517 Rough air speed, VRA
      • CS 25.1519 Weight, centre of gravity and weight distribution
      • CS 25.1521 Powerplant limitations
      • CS 25.1523 Minimum flight crew
      • CS 25.1525 Kinds of operation
      • CS 25.1527 Ambient air temperature and operating altitude
      • CS 25.1529 Instructions for Continued Airworthiness
      • CS 25.1531 Manoeuvring flight load factors
      • CS 25.1533 Additional operating limitations
      • CS 25.1535 ETOPS Design approval
    • MARKINGS AND PLACARDS
      • CS 25.1541 General
      • CS 25.1543 Instrument markings; general
      • CS 25.1545 Airspeed limitation information
      • CS 25.1547 Magnetic direction indicator
      • CS 25.1549 Powerplant instruments
      • CS 25.1551 Oil quantity indicator
      • CS 25.1553 Fuel quantity indicator
      • CS 25.1555 Control markings
      • CS 25.1557 Miscellaneous markings and placards
      • CS 25.1561 Safety equipment
      • CS 25.1563 Airspeed placard
    • AEROPLANE FLIGHT MANUAL
      • CS 25.1581 General
      • CS 25.1583 Operating limitations
      • CS 25.1585 Operating procedures
      • CS 25.1587 Performance information
    • SUPPLEMENTARY INFORMATION
      • CS 25.1591 Take-off performance information for operations on slippery wet and contaminated runways
      • CS 25.1592 Performance information for assessing the landing distance
      • CS 25.1593 Exposure to volcanic cloud hazards
  • SUBPART H – ELECTRICAL WIRING INTERCONNECTION SYSTEMS
    • AMC 25 Subpart H Correlation with previous amendment of CS-25
    • CS 25.1701 Definition
      • AMC 25.1701 Definition
    • CS 25.1703 Function and Installation; EWIS
      • AMC 25.1703 Function And Installation; EWIS
    • CS 25.1705 Systems and Functions; EWIS
    • CS 25.1707 System Separation; EWIS
      • AMC 25.1707 System separation; EWIS
    • CS 25.1709 System Safety; EWIS
      • AMC 25.1709 System safety; EWIS
    • CS 25.1711 Component identification; EWIS
      • AMC 25.1711 Component identification; EWIS
    • CS 25.1713 Fire Protection; EWIS
      • AMC 25.1713 Fire protection: EWIS
    • CS 25.1715 Electrical bonding and protection against static electricity; EWIS
      • AMC 25.1715 Electrical bonding and protection against static electricity: EWIS
    • CS 25.1717 Circuit protective devices; EWIS
      • AMC 25.1717 Circuit protective devices: EWIS
    • CS 25.1719 Accessibility Provisions; EWIS
      • AMC 25.1719 Accessibility provisions: EWIS
    • CS 25.1721 Protection of EWIS
      • AMC 25.1721 Protection of EWIS
    • CS 25.1723 Flammable fluid protection; EWIS
      • AMC 25.1723 Flammable fluid protection: EWIS
    • CS 25.1725 Powerplants; EWIS
    • CS 25.1727 Flammable Fluid Shutoff Means; EWIS
    • CS 25.1729 Instructions for Continued Airworthiness; EWIS
    • CS 25.1731 Powerplant and APU fire detector system; EWIS
  • SUBPART J – AUXILIARY POWER UNIT INSTALLATIONS
    • GENERAL
      • CS 25J901 Installation
      • CS 25J903 Auxiliary power unit
      • CS 25J939 APU operating characteristics
      • CS 25J943 Negative acceleration
    • FUEL SYSTEM
      • CS 25J951 General
      • CS 25J952 Fuel system analysis and test
      • CS 25J953 Fuel system independence
      • CS 25J955 Fuel Flow
      • CS 25J961 Fuel system hot weather operation
      • CS 25J977 Fuel Tank Outlet
    • FUEL SYSTEM COMPONENTS
      • CS 25J991 Fuel Pumps
      • CS 25J993 Fuel system lines and fittings
      • CS 25J994 Fuel system components
      • CS 25J995 Fuel valves
      • CS 25J997 Fuel strainer or filter
    • OIL SYSTEM
      • CS25J1011 Oil System General
      • CS 25A1017 Oil lines and fittings
      • CS 25J1019 Oil Filter
      • CS 25J1021 Oil system drains
      • CS 25J1023 Oil radiators
      • CS 25J1025 Oil valves
    • COOLING
      • CS 25J1041 General
      • CS 25J1043 Cooling tests
      • CS 25J1045 Cooling test procedures
    • AIR INTAKE AND BLEED AIR DUCT SYSTEMS
      • CS 25J1091 Air intake
      • CS 25J1093 Air intake system icing protection
      • CS 25J1103 Air intake system ducts
      • CS 25J1106 Bleed air duct systems
    • EXHAUST SYSTEM
      • CS 25J1121 General
      • CS 25J1123 Exhaust piping
    • APU CONTROLS AND ACCESSORIES
      • CS 25J1141 APU controls
      • CS 25J1163 APU accessories
      • CS 25J1165 APU ignition systems
    • APU FIRE PROTECTION
      • CS 25J1181 Designated fire zones
      • CS 25J1183 Lines, fittings and components
      • CS 25J1185 Flammable fluids
      • CS 25J1187 Drainage and ventilation of fire zones
      • CS 25J1189 Shut-off means
      • CS 25J1191 Firewalls
      • CS 25J1193 APU compartment
      • CS 25J1195 Fire extinguisher systems
      • CS 25J1197 Fire extinguishing agents
      • CS 25J1199 Extinguishing agent containers
      • CS 25J1201 Fire extinguishing system materials
      • CS 25J1203 Fire-detector system
      • CS 25J1207 Compliance
    • GENERAL
      • CS 25J1305 APU instruments
      • CS 25J1337 APU instruments
    • OPERATING LIMITATIONS
      • CS 25J1501 General
      • CS 25J1521 APU limitations
      • CS 25J1527 Ambient air temperature and operating altitude
    • MARKINGS AND PLACARDS
      • CS 25J1549 APU instruments
      • CS 25J1551 Oil quantity indicator
      • CS 25J1557 Miscellaneous markings and placards
    • AEROPLANE FLIGHT MANUAL
      • CS 25J1583 Operating limitations
  • APPENDICES TO CS-25
    • Appendix A
    • Appendix C
      • Part I – Atmospheric Icing Conditions
      • Part II – Airframe Ice Accretions
    • Appendix D
    • Appendix F
      • Part I – Test Criteria and Procedures for Showing Compliance with CS 25.853, 25.855 or 25.869
      • Part II – Flammability of Seat Cushions
      • Part III – Test Method to Determine Flame Penetration Resistance of Cargo Compartment Liners
      • Part IV – Test Method to Determine the Heat Release Rate from Cabin Materials Exposed to Radiant Heat
      • Part V – Test Method to Determine the Smoke Emission Characteristics of Cabin Materials
      • Part VI – Test Method to Determine the Flammability and Flame Propagation Characteristics of Thermal/Acoustic Insulation Materials
      • Part VII – Test Method to Determine the Burnthrough Resistance of Thermal/Acoustic Insulation Materials
    • Appendix H – Instructions for Continued Airworthiness
      • H25.1 General
      • H25.2 Format
      • H25.3 Content
      • H25.4 Airworthiness Limitations Section
      • H25.5 Electrical Wiring Interconnection System Instructions for Continued Airworthiness
      • H25.6 Information system security Instructions for Continued Airworthiness
    • Appendix I – Automatic Takeoff Thrust Control System (ATTCS)
      • I 25.1 General
      • I 25.2 Definitions
      • I 25.3 Performance requirements
      • I 25.4 Reliability requirements
      • I 25.5 Thrust or power setting
      • I 25.6 Powerplant controls
      • I 25.7 Powerplant instruments
    • Appendix J – Emergency Demonstration
    • Appendix K – Interaction of Systems and Structure
      • K25.1 General
      • K25.2 Effects of Systems on Structures
    • Appendix L
    • Appendix M – Fuel Tank Flammability Reduction Means (FRM)
      • M25.1 Fuel tank flammability exposure requirements
      • M25.2  Showing compliance
      • M25.3 Reliability indications and maintenance access
      • M25.4 Airworthiness limitations and procedures
    • Appendix N – Fuel Tank Flammability Exposure
      • N25.1 General
      • N25.2 Definitions
      • N25.3 Fuel tank flammability exposure analysis
      • N25.4 Variables and data tables
    • Appendix O – Supercooled Large Drop icing conditions
      • Part I – Meteorology
      • Part II – Airframe ice accretions
    • Appendix P – Mixed phase and ice crystal icing envelope (Deep convective clouds)
    • Appendix Q – Additional airworthiness requirements for approval of a Steep Approach Landing (SAL) capability
      • (SAL) 25.1 Applicability
      • (SAL) 25.2 Definitions
      • (SAL) 25.3 Steep Approach Landing Distance
      • (SAL) 25.4 Climb: One-engine-inoperative
      • (SAL) 25.5 Safe operational and flight characteristics
      • (SAL) 25.6 Aeroplane Flight Manual
    • Appendix R – HIRF Environments and Equipment HIRF Test Levels
    • Appendix S – Airworthiness requirements for non-commercially operated aeroplanes and low-occupancy aeroplanes
      • S25.1 General
      • S25.10 General Cabin Arrangement
      • S25.20 Emergency Evacuation
      • S25.30 Circulation Inside Cabin During Flight
      • S25.40 Markings and Placards
      • S25.50 Cabin Attendant Direct View
      • S25.60 Security
  • GENERAL AMCs
    • AMC 25-1 On-board weight and balance systems
    • AMC 25-11 Electronic Flight Deck Displays
      • Appendix 1 – Primary Flight Information
      • Appendix 2 – Powerplant Displays
      • Appendix 3 – Definitions
      • Appendix 4 – Acronyms Used in this AMC
      • Appendix 6 – Head-Up Display
      • Appendix 7 – Weather Displays
    • AMC 25-13 Reduced and derated take-off thrust (power) procedures
    • AMC 25-19 Certification Maintenance Requirements
    • AMC 25-24 Sustained Engine Imbalance

SUBPART J – AUXILIARY POWER UNIT INSTALLATIONS

AEROPLANE FLIGHT MANUAL

CS 25J1583 Operating limitations

ED Decision 2005/006/R

APU limitations established under CS 25J1521 and information to explain the instrument markings provided under  CS 25J1549 and CS 25J1551 must be furnished.

[Amdt 25/1]

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