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Easy Access Rules for All-Weather Operations (CS-AWO)

Issue 2
17 May 2022
Last updated date
17 May 2022
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Easy Access Rules for All-Weather Operations (CS-AWO)

Issue 2

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Table of contents

  • Disclaimer
  • Note from the editor
  • Certification specification
  • Acceptable means of compliance
  • Incorporated amendments
  • Preamble
  • SUBPART A – ENABLING EQUIPMENT
    • SECTION 1 – AUTOMATIC LANDING SYSTEMS (ALSs)
      • GENERAL
        • CS AWO.A.ALS.101 Applicability
          • AMC AWO.A.ALS.101(a) Applicability and terminology
        • CS AWO.A.ALS.102 Safety level
        • CS AWO.A.ALS.103 Control actions
        • CS AWO.A.ALS.104 Approach speed
      • EQUIPMENT
        • CS AWO.A.ALS.105 Automatic speed control
          • AMC AWO.A.ALS.105(b)(1) Automatic speed control
      • PERFORMANCE
        • CS AWO.A.ALS.106 Performance demonstration
          • AMC AWO.A.ALS.106 Performance demonstration
        • CS AWO.A.ALS.107 Aerodrome conditions
        • CS AWO.A.ALS.108 Approach and automatic landing with an inoperative engine
          • AMC AWO.A.ALS.108 Approach and automatic landing with an inoperative engine — Performance demonstration
        • CS AWO.A.ALS.109 Automatic landing distance
          • AMC AWO.A.ALS.109 Automatic landing distance
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.A.ALS.110 Controls, indicators and alerts — General
          • AMC AWO.A.ALS.110 Controls, indicators and alerts — General
      • FAILURE CONDITIONS
        • CS AWO.A.ALS.111 General
        • CS AWO.A.ALS.112 Failure of xLS navigation means (facilities external to the aircraft, including signal-in-space)
          • AMC AWO.A.ALS.112 Failure of xLS navigation means (facilities external to the aircraft, including signal-in-space)
      • AEROPLANE FLIGHT MANUAL
        • CS AWO.A.ALS.113 General
          • AMC AWO.A.ALS.113(f) Aeroplane flight manual
        • CS AWO.A.ALS.114 Wind speed limitations
        • CS AWO.A.ALS.115 Approach and automatic landing with an inoperative engine
    • SECTION 2 – HEAD-UP DISPLAYS (HUDs)
      • GENERAL
        • CS AWO.A.HUD.101 Applicability and terminology
          • AMC AWO.A.HUD.101 Applicability and terminology
        • CS AWO.A.HUD.102 Go-around
        • CS AWO.A.HUD.103 HUD (or equivalent display) information below decision height
          • AMC AWO.A.HUD.103 HUD information
        • CS AWO.A.HUD.104 Control of take-off roll, flight path and ground roll
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.A.HUD.105 Presentation of information to the flight crew
          • AMC AWO.A.HUD.105(a)(ii) Indications and alerts
          • AMC AWO.A.HUD.105(a)(iii) Indications provided to the pilot
          • AMC AWO.A.HUD.105(b)(2) Information to the pilot monitoring
        • CS AWO.A.HUD.106 Flight data recording
      • PERFORMANCE
        • CS AWO.A.HUD.107 Performance demonstration
          • AMC AWO.A.HUD.107 Performance demonstration
        • CS AWO.A.HUD.108 Fail-operational hybrid landing systems
      • FAILURE CONDITIONS
        • CS AWO.A.HUD.109 Head-up display landing systems
        • CS AWO.A.HUD.110 Head-up displays used for enhanced flight vision systems
        • CS AWO.A.HUD.111 Head-up displays used for synthetic vision guidance systems
        • CS AWO.A.HUD.112 Head-up display landing distance
          • AMC AWO.A.HUD.112 HUD landing distance
        • CS AWO.A.HUD.113 Flare cue performance
          • AMC1 AWO.A.HUD.113 Criteria for acceptable landing performance using a flare cue
          • AMC2 AWO.A.HUD.113 Conditions for the demonstration of an acceptable landing with flare cue
        • CS AWO.A.HUD.114 Assessment of the failure conditions relating to the use of flare cues
          • AMC AWO.A.HUD.114 Assessment of the failure conditions associated with the use of the flare cue
    • SECTION 3 – ENHANCED FLIGHT VISION SYSTEMS (EFVSs)
      • CS AWO.A.EFVS.101 General
        • AMC AWO.A.EFVS.101 General
      • CS AWO.A.EFVS.102 Enhanced flight vision system designation
      • CS AWO.A.EFVS.103 Enhanced flight vision system depiction
        • AMC AWO.A.EFVS.103 EFVS depiction
      • CS AWO.A.EFVS.104 Enhanced flight vision system display
        • AMC AWO.A.EFVS.104 EFVS display
      • CS AWO.A.EFVS.105 Head-up display enhanced flight vision system (HUD EFVS) symbology
        • AMC1 AWO.A.EFVS.105 HUD EFVS symbology
        • AMC2 AWO.A.EFVS.105(b) HUD EFVS symbology
      • CS AWO.A.EFVS.106 Enhanced flight vision system (EFVS) display controls
        • AMC AWO.A.EFVS.106 EFVS display controls
      • CS AWO.A.EFVS.107 Enhanced flight vision system (EFVS) safety assessment
        • AMC AWO.A.EFVS.107 EFVS safety assessment
      • CS AWO.A.EFVS.108 Enhanced flight vision system (EFVS) level of safety
        • AMC AWO.A.EFVS.108 EFVS level of safety
      • CS AWO.A.EFVS.109 Enhanced flight vision system (EFVS) performance
        • AMC1 AWO.A.EFVS.109 EFVS performance
      • CS AWO.A.EFVS.110 Enhanced flight vision system — landing (EFVS‑L) — Landing performance
        • AMC1 AWO.A.EFVS.110 EFVS-L landing performance
        • AMC2 AWO.A.EFVS.110 Acceptable landing performance criteria for EFVS-Ls
      • CS AWO.A.EFVS.111 Enhanced flight visual system (EFVS) monitoring, annunciation and alerting
        • AMC AWO.A.EFVS.111 EFVS monitoring, annunciation and alerting
      • CS AWO.A.EFVS.112 Enhanced flight vision system (EFVS) documentation
        • AMC AWO.A.EFVS.112 EFVS documentation
          • Appendix 1 to the AMC to Section 3 of Subpart A
    • SECTION 4 – SYNTHETIC VISION GUIDANCE SYSTEMS (SVGSs)
      • GENERAL
        • CS AWO.A.SVGS.101 Applicability and terminology
          • AMC AWO.A.SVGS.101 General
        • CS AWO.A.SVGS.102 Synthetic vision guidance system (SVGS) scene depiction
        • CS AWO.A.SVGS.103 Minimum requirements for synthetic vision guidance system (SVGS) flight instrument displays
        • CS AWO.A.SVGS.104 Command guidance
        • CS AWO.A.SVGS.105 Synthetic vision guidance system (SVGS) — Use of a head-up display or equivalent display
        • CS AWO.A.SVGS.106 Field of regard (FOR)
        • CS AWO.A.SVGS.107 Head-down display (HDD) minification
      • SYSTEM MONITORING, ANNUNCIATION AND ALERTING
        • CS AWO.A.SVGS.108 Information provided to the flight crew
        • CS AWO.A.SVGS.109 Annunciation of the synthetic vision guidance system’s (SVGS) mode and status
        • CS AWO.A.SVGS.110 Synthetic view guidance system (SVGS) fault detection and alerting
        • CS AWO.A.SVGS.111 Flight technical error
        • CS AWO.A.SVGS.112 Navigation system error
      • TERRAIN, RUNWAY AND OBSTACLE DATABASES
        • CS AWO.A.SVGS.113 Databases — general
      • SVGS FLIGHT DISPLAY ELEMENTS
        • CS AWO.A.SVGS.114 Minimum display size
        • CS AWO.A.SVGS.115 HUD SVGS — pilot controls
      • SVGS FLIGHT DISPLAY PERFORMANCE
        • CS AWO.A.SVGS.116 Latency
        • CS AWO.A.SVGS.117 Jitter
        • CS AWO.A.SVGS.118 Flicker
        • CS AWO.A.SVGS.119 Image artefacts
        • CS AWO.A.SVGS.120 HUD (or equivalent display) processing error
        • CS AWO.A.SVGS.121 SVGS scene depiction alignment
      • AIRCRAFT POSITION MONITORING AND ALERTING
        • CS AWO.A.SVGS.122 Aircraft position monitoring and alerting
        • CS AWO.A.SVGS.123 Excessive deviation
        • CS AWO.A.SVGS.124 Annunciation of the system’s mode and status
        • CS AWO.A.SVGS.125 Determination of the missed approach point (MAPt)
        • CS AWO.A.SVGS.126 Altimetry requirements
        • CS AWO.A.SVGS.127 Barometric altimeter / air data source
        • CS AWO.A.SVGS.128 Geometric altimetry/GPS data source
      • SVGS SCENE
        • CS AWO.A.SVGS.129 Depiction of terrain and runway of intended landing
        • CS AWO.A.SVGS.130 SVGS scene depiction positioning
      • SYSTEM SAFETY AND DESIGN ASSURANCE LEVEL (DAL)
        • CS AWO.A.SVGS.131 System safety objectives
        • CS AWO.A.SVGS.132 Overall system safety design criteria
        • CS AWO.A.SVGS.133 Flight data recorder (FDR)
        • CS AWO.A.SVGS.134 SVGS documentation
    • SECTION 5 – COMBINED VISION SYSTEMS (CVSs)
      • GENERAL
        • CS AWO.A.CVS.101 General
    • APPENDIX 1 TO THE ACCEPTABLE MEANS OF COMPLIANCE TO SUBPART A ‘MODELS’
      • Signal-in-space models for approach and landing simulation and fault analysis
  • SUBPART B – APPROACH AND LANDING
    • SECTION 1 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR OPERATIONS WITH DECISION ALTITUDES/HEIGHTS (DAs/Hs) NOT LOWER THAN 60 M (200 FT) — CATEGORY I (CAT I) OPERATIONS
      • GENERAL
        • CS AWO.B.CATI.101 Applicability
          • AMC AWO.B.CATI.101 Applicability
        • CS AWO.B.CATI.102 Terminology
          • AMC AWO.B.CATI.102 Terminology
    • SECTION 2 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR OPERATIONS WITH DECISION HEIGHTS (DHs) BELOW 60 M (200 FT) AND DOWN TO 45 M (150 FT) — SPECIAL AUTHORISATION CATEGORY I (SA CAT I) OPERATIONS
      • GENERAL
        • CS AWO.B.SACATI.101 Applicability
          • AMC AWO.B.SACATI.101(a) Applicability and terminology
        • CS AWO.B.SACATI.102 Safety level
          • AMC AWO.B.SACATI.102 Safety level
        • CS AWO.B.SACATI.103 Go-around rate
          • AMC AWO.B.SACATI.103 Go-around rate
        • CS AWO.B.SACATI.104 Flight crew workload
        • CS AWO.B.SACATI.105 Control of flight path
        • CS AWO.B.SACATI.106 Control of speed
        • CS AWO.B.SACATI.107 Manual control
          • AMC AWO.B.SACATI.107 Manual control
        • CS AWO.B.SACATI.108 Oscillations and deviations
        • CS AWO.B.SACATI.109 Decision height (DH) recognition
        • CS AWO.B.SACATI.110 Go-arounds
      • EQUIPMENT
        • CS AWO.B.SACATI.111 Installed equipment
          • AMC AWO.B.SACATI.111 Installed equipment
        • CS AWO.B.SACATI.112 Minimum equipment
      • PERFORMANCE
        • CS AWO.B.SACATI.113 Flight path and speed control
          • AMC AWO.B.SACATI.113 Flight demonstration
        • CS AWO.B.SACATI.114 Decision height (DH)
        • CS AWO.B.SACATI.115 Excess-deviation alerts
        • CS AWO.B.SACATI.116 Go-around climb gradient
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.B.SACATI.117 Mode selection and switching
          • AMC AWO.B.SACATI.117 Mode selection and switching
        • CS AWO.B.SACATI.118 Presentation of information to the flight crew
      • FAILURE CONDITIONS
        • CS AWO.B.SACATI.119 General
          • AMC AWO.B.SACATI.119 Failure conditions
        • CS AWO.B.SACATI.120 Failure of xLS navigation means (facilities external to the aircraft, including signal-in-space)
          • AMC AWO.B.SACATI.120 Failure of xLS navigation means (facilities external to the aircraft, including signal-in-space)
        • CS AWO.B.SACATI.121 Radio altimeter (or other device capable of providing equivalent performance and integrity level)
        • CS AWO.B.SACATI.122 Excess-deviation alerts
      • AEROPLANE FLIGHT MANUAL (AFM)
        • CS AWO.B.SACATI.123 General
    • SECTION 3 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR OPERATIONS WITH DECISION HEIGHTS (DHs) BELOW 60 M (200 FT) AND DOWN TO 30 M (100 FT) — CATEGORY II (CAT II) OPERATIONS
      • GENERAL
        • CS AWO.B.CATII.101 Applicability
          • AMC AWO.B.CATII.101(a) Applicability and terminology
        • CS AWO.B.CATII.102 Safety level
          • AMC AWO.B.CATII.102 Safety level
        • CS AWO.B.CATII.103 Go-around rate
          • AMC AWO.B.CATII.103 Go-around rate
        • CS AWO.B.CATII.104 Flight crew workload
        • CS AWO.B.CATII.105 Control of flight path
        • CS AWO.B.CATII.106 Control of speed
        • CS AWO.B.CATII.107 Manual control
          • AMC AWO.B.CATII.107 Manual control
        • CS AWO.B.CATII.108 Oscillations and deviations
        • CS AWO.B.CATII.109 Decision height recognition
        • CS AWO.B.CATII.110 Go-arounds
      • EQUIPMENT
        • CS AWO.B.CATII.111 Installed equipment
          • AMC AWO.B.CATII.111 Installed equipment
        • CS AWO.B.CATII.112 Minimum equipment
          • AMC AWO.B.CATII.112 Minimum equipment
      • PERFORMANCE
        • CS AWO.B.CATII.113 Flight path and speed control
          • AMC AWO.B.CATII.113 Flight demonstration
            • APPENDIX 1 TO AMC AWO.B.CATII.113 – Category II ILS and MLS tracking performance
        • CS AWO.B.CATII.114 Decision height (DH)
        • CS AWO.B.CATII.115 Excess-deviation alerts
          • AMC AWO.B.CATII.115(a) Excess-deviation alerts
        • CS AWO.B.CATII.116 Go-around climb gradient
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.B.CATII.117 Mode selection and switching
        • CS AWO.B.CATII.118 Presentation of information to the flight crew
      • FAILURE CONDITIONS
        • CS AWO.B.CATII.119 General
        • CS AWO.B.CATII.120 Radio altimeter (or other device capable of providing for equivalent performance and integrity level)
        • CS AWO.B.CATII.121 Excess-deviation alerts
      • AEROPLANE FLIGHT MANUAL (AFM)
        • CS AWO.B.CATII.122 General
          • AMC AWO.B.CATII.122 Aeroplane flight manual
    • SECTION 4 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR OPERATIONS WITH DECISION HEIGHTS (DHs) BELOW 30 M (100 FT) OR NO DECISION HEIGHT (DH) — CATEGORY III (CAT III) OPERATIONS
      • GENERAL
        • CS AWO.B.CATIII.101 Applicability
          • AMC AWO.B.CATIII.101(a) Applicability and terminology
        • CS AWO.B.CATIII.102 Safety level
          • AMC AWO.B.CATIII.102 Safety level
        • CS AWO.B.CATIII.103 Go-around rate
        • CS AWO.B.CATIII.104 Minimum flight crew
        • CS AWO.B.CATIII.105 Control of flight path and ground roll
        • CS AWO.B.CATIII.106 Control of speed
        • CS AWO.B.CATIII.107 Manual control
        • CS AWO.B.CATIII.108 Oscillations and deviations
        • CS AWO.B.CATIII.109 Alert height
          • AMC AWO.B.CATIII.109 Alert height
        • CS AWO.B.CATIII.110 Decision height
        • CS AWO.B.CATIII.111 Decision height recognition
        • CS AWO.B.CATIII.112 Go-around
          • AMC AWO.B.CATIII.112 Go-around
      • EQUIPMENT
        • CS AWO.B.CATIII.113 Installed equipment
          • AMC AWO.B.CATIII.113 Installed equipment
          • AMC AWO.B.CATIII.113(b)(2) Suitability of aircraft for fail-passive operations with a decision height of 50 ft or greater
        • CS AWO.B.CATIII.114 Minimum equipment
      • PERFORMANCE
        • CS AWO.B.CATIII.115 Performance demonstration
          • AMC AWO.B.CATIII.115 Performance demonstrations
            • APPENDIX 1 TO AMC AWO.B.CATIII.115 Performance demonstrations
        • CS AWO.B.CATIII.116 Head-up display fail-operational hybrid landing system
        • CS AWO.B.CATIII.117 Automatic ground-roll control
        • CS AWO.B.CATIII.118 Landing distance
          • AMC AWO.B.CATIII.118 Landing distance
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.B.CATIII.119 Mode selection and switching
        • CS AWO.B.CATIII.120 Indications and alerts
      • FAILURE CONDITIONS
        • CS AWO.B.CATIII.121 General
          • AMC1 AWO.B.CATIII.121 Flight demonstrations of failure conditions
          • AMC2 AWO.B.CATIII.121 Flight crew and maintenance checks
        • CS AWO.B.CATIII.122 Fail-passive automatic landing system (including super fail-passive system)
          • AMC1 AWO.B.CATIII.122(a) and AWO.B.CATIII.123(a) Loss of system function
          • AMC2 AWO.B.CATIII.122(a) Safety of the manual landing and go‑around manoeuvres following a loss of the automatic control capability for fail-passive systems
        • CS AWO.B.CATIII.123 Fail-operational landing system (automatic or hybrid)
          • AMC AWO.B.CATIII.123 Safety of the manual landing and go‑around manoeuvres following a loss of the automatic control capability for fail-operational landing systems (automatic or hybrid)
        • CS AWO.B.CATIII.124 Head-up display (or other form of guidance display) fail-operational hybrid landing system
        • CS AWO.B.CATIII.125 Nose-wheel steering
        • CS AWO.B.CATIII.126 Automatic go-around
      • AEROPLANE FLIGHT MANUAL (AFM)
        • CS AWO.B.CATIII.127 General
          • AMC AWO.B.CATIII.127(a) Aeroplane flight manual
          • AMC AWO.B.CATIII.127(g) Aeroplane flight manual
      • CERTIFICATION DOCUMENTATION
        • CS AWO.B.CATIII.128 Documentation required
    • SECTION 5 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR OPERATIONAL CREDITS FOR VISUAL SEGMENT IN REDUCED RUNWAY VISUAL RANGE (RRVR)
      • CS AWO.B.RRVR.101 Applicability
  • SUBPART C – TAKE-OFF
    • SECTION 1 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR TAKE-OFF OPERATIONS (TOOs) IN LOW VISIBILITY
      • CS AWO.C.TOO.101 Applicability
        • AMC AWO.C.TOO.101 Applicability and terminology
      • CS AWO.B.RRVR.101 Applicability
        • AMC AWO.C.TOO.102 Safety level
      • CS AWO.C.TOO.103 Guidance information
      • CS AWO.C.TOO.104 Guidance display
        • AMC AWO.C.TOO.104(c) Guidance display
      • EQUIPMENT
        • CS AWO.C.TOO.105 Minimum equipment
      • PERFORMANCE
        • CS AWO.C.TOO.106 Performance demonstration
          • AMC AWO.C.TOO.106 Performance
        • CS AWO.C.TOO.107 Limitations and procedures
      • CONTROLS, INDICATORS AND ALERTS
        • CS AWO.C.TOO.108 Alerts
          • AMC AWO.C.TOO.108 Warnings
      • FAILURE CONDITIONS (See AMC 25.1309)
        • CS AWO.C.TOO.109 Guidance system
        • CS AWO.C.TOO.110 Aeroplane failures
      • AEROPLANE FLIGHT MANUAL (AFM)
        • CS AWO.C.TOO.111 General
          • AMC AWO.C.TOO.111 Aeroplane flight manual – General
  • GENERAL ACCEPTABLE MEANS OF COMPLIANCE
    • AMC AWO-1 All-weather operations recertification following the installation of new or modified navigation receivers providing xLS capability

SUBPART C – TAKE-OFF

SECTION 1 – AIRWORTHINESS CERTIFICATION OF AEROPLANES FOR TAKE-OFF OPERATIONS (TOOs) IN LOW VISIBILITY

EQUIPMENT

CS AWO.C.TOO.105 Minimum equipment

ED Decision 2022/007/R

The minimum equipment, which shall be serviceable at the start of the take-off for compliance with the general criteria of this Subpart and those relating to performance and failure conditions, shall be established and articulated.

[Issue: CS-AWO/2]

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