i
TABLE OF CONTENTS
1 PURPOSE AND SCOPE ............................................................................................................... 1
1.1 Introduction .................................................................................................................................... 1
1.2 System Overview ........................................................................................................................... 2
1.3 MOPS Applications(s) ................................................................................................................... 2
1.4 Scope .............................................................................................................................................. 3
1.5 AFGCS Functions and Modes ........................................................................................................ 5
1.5.1 Vertical Path Control Functions ...................................................................................... 5
1.5.2 Lateral Path Control Functions ........................................................................................ 6
1.5.3 Multi-Axes Functions ...................................................................................................... 6
1.5.4 Flight Management System Control Functions ............................................................... 6
1.5.5 Envelope Protection Functions ........................................................................................ 7
1.5.6 Yaw Damper Function ..................................................................................................... 7
1.5.7 Automatic Trim Functions ............................................................................................... 7
1.5.8 Flight Guidance Control Panel ........................................................................................ 7
1.5.9 Rotorcraft Functions ........................................................................................................ 8
1.5.9.1 Rotorcraft Stability Augmentation System (SAS) ........................................................... 8
1.5.9.2 Attitude Hold (ATT) ........................................................................................................ 9
1.5.9.3 Flight Director .................................................................................................................. 9
1.5.10 Autothrottle/Autothrust Functions ................................................................................... 9
1.6 Operational Goals ......................................................................................................................... 10
1.7 Aircraft Categories ....................................................................................................................... 10
1.8 Assumptions ................................................................................................................................. 10
1.9 Test Procedures ............................................................................................................................ 11
1.10 Definitions of Terms .................................................................................................................... 12
2 SYSTEM/EQUIPMENT PERFORMANCE REQUIREMENTS AND TEST PROCEDURES . 13
2.1 General Requirements .................................................................................................................. 13
2.1.1 Airworthiness................................................................................................................. 13
2.1.2 Functional Requirements ............................................................................................... 13
2.1.3 Operation of Controls .................................................................................................... 13
2.1.4 Accessibility of Controls ............................................................................................... 13
2.1.5 Effects of Test ................................................................................................................ 14
2.1.6 Development Assurance ................................................................................................ 14
2.2 Automatic Flight Guidance and Control System/Equipment Performance - Standard Conditions
...................................................................................................................................................... 14
2.2.1 Autopilot Control Functions .......................................................................................... 15
2.2.1.1 Autopilot Engagement, Disengagement, and Override.................................................. 15
2.2.1.1.1 Autopilot Engagement ................................................................................................ 15
2.2.1.1.2 Autopilot Disengagement ........................................................................................... 15
2.2.1.1.3 Autopilot Override ..................................................................................................... 16
2.2.1.1.3.1 Autopilot Override (For airplanes) ...................................................................... 16
2.2.1.1.3.2 Autopilot Override (for rotorcraft) ...................................................................... 16
2.2.2 Yaw Damper (for airplanes) .......................................................................................... 17
2.2.2.1 Yaw Damper Engagement ............................................................................................. 17
2.2.2.2 Yaw Damper Disengagement ........................................................................................ 17
2.2.2.3 Yaw SAS Functionality ................................................................................................. 17
