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FAA AC 120-28 : 0

Current

Current

The latest, up-to-date edition.

CRITERIA FOR APPROVAL OF CATEGORY 3 WEATHER MINIMA FOR TAKEOFF, LANDING, AND ROLLOUT

Available format(s)

Hardcopy , PDF

Language(s)

English

1 PURPOSE
2 RELATED REFERENCES AND DEFINITIONS
   2.1 Related References
   2.2 Definitions
3 BACKGROUND
   3.1 Major Changes Addressed in this Revision
   3.2 Relationship of Operational Authorizations for
         Category III and Airborne System Demonstrations
   3.3 Applicable Criteria
4 OPERATIONAL CONCEPTS
   4.1 Classification and Applicability of Minima
   4.2 Takeoff
   4.3 Landing
   4.4 RNAV/Flight Management Systems (FMS)
   4.5 Required Navigation Performance (RNP)
   4.6 Flight Path Definition
   4.7 Engine Inoperative Category III Capability
5 AIRBORNE SYSTEMS
   5.1 General
   5.2 Airborne Systems for Category III Minima Not Less
         Than RVR600
   5.3 Airborne Systems for Category III Minima Less Than
         RVR600
   5.4 Automatic Flight Control Systems and Automatic
         Landing Systems
   5.5 Flight Director Systems
   5.6 Head-up Display Systems
   5.7 Enhanced/Synthetic Vision Systems
   5.8 Hybrid Systems
   5.9 Instruments and Displays
   5.10 Annunciations
   5.11 Automatic Aural Alerts
   5.12 Navigation Sensors
   5.13 Supporting Systems and Capabilities
   5.14 Go-Around Capability
   5.15 Excessive Deviation Alerting
   5.16 Rollout Deceleration Systems or Procedures for
         Category III
   5.17 Engine Inoperative Category III Capability
   5.18 Airborne System Assessment for Irregular
         Pre-Threshold Terrain
   5.19 Airworthiness Demonstrations of Airborne System
         Capability for Category III
6 PROCEDURES
   6.1 Operational Procedures
   6.2 Category III Instrument Approach Procedures and
         Low Visibility Takeoff
7 TRAINING AND CREW QUALIFICATION
   7.1 Ground Training
   7.2 Flight Training (Aircraft or Simulator)
   7.3 Checking or Evaluations
   7.4 Experience with Line Landings
   7.5 Crew Records
   7.6 Dual Qualification
   7.7 Interchange
   7.8 Training For Use of Foreign Airports for Category
         III Operations or Low Visibility Takeoff
   7.9 Line Checks
8 AIRPORTS, NAVIGATION FACILITIES AND METEOROLOGICAL
   CRITERIA
   8.1 Use of Standard Navigation Facilities
   8.2 Use of Other Navigation Facilities or Methods
   8.3 Lighting Systems
   8.4 Marking and Signs
   8.5 Low Visibility Surface Movement Guidance and
         Control (SMGC) Plans
   8.6 Meteorological Services and RVR Availability and
         Use
   8.7 Critical Area Protection
   8.8 Operational Facilities, Outages, Airport
         Construction, and NOTAM's
   8.9 Use of Military Facilities
   8.10 Special Provisions for Facilities Used for ETOPS
         or EROPS Alternates
   8.11 Alternate Minima
   8.12 Flight Planning to Airports That Have Weather
         Conditions Below Landing Minima
9 CONTINUING AIRWORTHINESS/MAINTENANCE
   9.1 Maintenance Program
   9.2 Maintenance Program Provisions
   9.3 Initial and Recurrent Maintenance Training
   9.4 Test Equipment/Calibration Standards
   9.5 Return to Service Procedures
   9.6 Periodic Aircraft System Evaluations
   9.7 Reliability Reporting and Quality Control
   9.8 Configuration Control/System Modifications
   9.9 Records
   9.10 FAR 129 Foreign Operator Maintenance Programs
10 APPROVAL OF UNITED STATES OPERATORS
   10.1 Operations Manuals and Procedures
   10.2 Training Programs and Crew Qualification
   10.3 Flight Planning (e.g., Dispatch, MEL, Alternate
         Airports, ETOPS or EROPS)
   10.4 Formulation of Operations Specification
   10.5 Operational/Airworthiness Demonstrations
   10.6 Eligible Airports and Runways
   10.7 Irregular Pre-Threshold Terrain and Other
         Restricted Runways
   10.8 Engine-Inoperative Operations and ETOPS or EROPS
         Alternates based on Category III
   10.9 New Category III Operators
   10.10 Credit for Experienced Category III Operators for
         New Authorizations
   10.11 Category III Program Status Following Operator
         Acquisitions/Mergers
   10.12 Initiating New Combined Category II and Category
         III Programs
   10.13 United States Carrier Category III Operations at
         Foreign Airports
   10.14 Category III Operations on Off-Route Charters
   10.15 Approval of Category III Minima and Issuance of
         Operations Specifications
   10.16 Operations Specification Amendments
   10.17 Use of Special Obstacle Clearance Criteria (e.g.,
         RNP Criteria)
   10.18 Proof-of-Concept Demonstration for New
         Systems/Methods
11 FOREIGN AIR CARRIER CATEGORY III AT UNITED STATES AIRPORTS
   (Part 129 OPERATIONS SPECIFICATIONS)
   11.1 Use of ICAO or FAA Criteria
   11.2 Issuance of Part 129 Operations Specifications
   11.3 Use of Certain United States Facilities
12 OPERATOR REPORTING, AND TAKING CORRECTIVE ACTIONS
   12.1 Operator Reporting
   12.2 Operator Corrective Actions
APPENDIX 1 DEFINITIONS AND ACRONYMS
APPENDIX 2 AIRWORTHINESS APPROVAL OF AIRBORNE SYSTEMS USED
           DURING A TAKEOFF IN LOW VISIBILITY WEATHER
           CONDITIONS
APPENDIX 3 AIRWORTHINESS APPROVAL FOR AIRBORNE SYSTEMS USED
           TO LAND AND ROLLOUT IN LOW VISIBILITY CONDITIONS
APPENDIX 4 WIND MODEL FOR APPROACH AND LANDING SIMULATION
APPENDIX 5 [RESERVED]
APPENDIX 6 AFM PROVISIONS AND SAMPLE AFM WORDING
APPENDIX 7 STANDARD OPERATIONS SPECIFICATIONS - GENERAL
APPENDIX 8 IRREGULAR TERRAIN ASSESSMENT
APPENDIX 9 TAKEOFF SYSTEM PERFORMANCE AFTER LIFTOFF

Gives an acceptable means, but not the only means, for obtaining and maintaining approval of operations in Category III Landing Weather Minima and low visibility takeoff including the installation and approval of associated aircraft systems. It includes additional Category III criteria or revised Category III criteria for use in conjunction with Head-up Displays, satellite navigation systems, low visibility takeoff guidance systems, Wide-body Fail Passive operations and use of Category III during certain engine inoperative operations.

DevelopmentNote
Supersedes FAA AC 20-57 (05/2004)
DocumentType
Standard
Pages
103
PublisherName
Federal Aviation Administration
Status
Current
Supersedes

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FAA AC 120-57 : 0 SURFACE MOVEMENT GUIDANCE AND CONTROL SYSTEM
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FAA AC 90-106 : 2017 ENHANCED FLIGHT VISION SYSTEMS
FAA N 8200.97 : 2006 AIRMAN AND AIRCRAFT APPROVAL FOR REDUCED VISIBILITY FLIGHT OPERATIONS, INCLUDING CATEGORY 2/3 OPERATIONS
FAA AC 120-114 : 2016 PILOT TRAINING AND CHECKING (14 CFR PART 121 SUBPARTS N AND O, INCLUDING APPENDICES E AND F)
FAA AC 150/5300-13 : 2008 AIRPORT DESIGN
SAE AS 8055A : 2015 MINIMUM PERFORMANCE STANDARD FOR AIRBORNE HEAD UP DISPLAY (HUD)
FAA AC 25-15 : 1989 APPROVAL OF FLIGHT MANAGEMENT SYSTEMS IN TRANSPORT CATEGORY AIRPLANES
FAA AC 25.1329-1 : 2016 APPROVAL OF FLIGHT GUIDANCE SYSTEMS
FAA AC 25-12 : 0 AIRWORTHINESS CRITERIA FOR THE APPROVAL OF AIRBORNE WINDSHEAR WARNING SYSTEMS IN TRANSPORT CATEGORY AIRPLANES
FAA AC 20-138 : 2014 AIRWORTHINESS APPROVAL OF POSITIONING AND NAVIGATION SYSTEMS
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FAA AC 120-29 : 0 CRITERIA FOR APPROVAL OF CATEGORY 1 AND CATEGORY 2 WEATHER MINIMA FOR APPROACH
FAA AC 25.1309-1 : 0 SYSTEM DESIGN AND ANALYSIS
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