About the Authors |
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xiii | |
Series Preface |
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xv | |
Acknowledgements |
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xvii | |
Glossary of Terms |
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xix | |
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1 | (1) |
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1 | (2) |
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3 | (2) |
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5 | (4) |
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9 | (1) |
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9 | (1) |
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1.4.2 Design Considerations |
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10 | (2) |
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12 | (1) |
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1.4.4 Summary of Legal Threats |
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12 | (1) |
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13 | (1) |
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14 | (3) |
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17 | (1) |
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17 | (1) |
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17 | (2) |
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19 | (1) |
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19 | (1) |
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19 | (2) |
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2.3 Everyday Examples of Systems |
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21 | (3) |
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2.4 Aircraft Systems of Interest |
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24 | (9) |
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28 | (1) |
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28 | (2) |
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2.4.3 Interface Characteristics of Vehicle Systems |
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30 | (1) |
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31 | (1) |
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2.4.5 Interface Characteristics of Vehicle and Avionics Systems |
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31 | (1) |
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32 | (1) |
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32 | (1) |
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32 | (1) |
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2.4.7 Interface Characteristics of Mission Systems |
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33 | (1) |
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33 | (1) |
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2.6 Generic System Definition |
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34 | (5) |
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37 | (1) |
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37 | (1) |
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37 | (2) |
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3 The Design and Development Process |
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39 | (34) |
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39 | (1) |
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39 | (2) |
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3.3 The Product Lifecycle |
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41 | (5) |
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46 | (4) |
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3.4.1 Engineering Process |
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48 | (1) |
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48 | (2) |
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50 | (6) |
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3.5.1 Engineering Process |
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52 | (1) |
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53 | (3) |
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56 | (2) |
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3.6.1 Engineering Process |
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56 | (1) |
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57 | (1) |
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58 | (2) |
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3.7.1 Engineering Process |
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59 | (1) |
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59 | (1) |
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60 | (1) |
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3.8.1 Engineering Process |
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60 | (1) |
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60 | (1) |
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61 | (2) |
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3.9.1 Engineering Process |
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62 | (1) |
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63 | (1) |
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3.10 Disposal or Retirement Phase |
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63 | (2) |
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3.10.1 Engineering Process |
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65 | (1) |
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3.10.2 Engineering Skills |
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65 | (1) |
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65 | (1) |
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3.11.1 Engineering Process |
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66 | (1) |
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3.11.2 Engineering Skills |
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66 | (1) |
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3.12 Whole Lifecycle Tasks |
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66 | (1) |
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67 | (6) |
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69 | (1) |
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70 | (1) |
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70 | (3) |
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73 | (40) |
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73 | (2) |
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4.2 Design Drivers in the Business Environment |
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75 | (5) |
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76 | (1) |
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4.2.2 Market and Competition |
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76 | (1) |
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77 | (1) |
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77 | (1) |
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78 | (1) |
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4.2.6 Leisure and Business Interests |
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78 | (1) |
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79 | (1) |
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79 | (1) |
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80 | (1) |
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4.3 Design Drivers in the Project Environment |
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80 | (4) |
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4.3.1 Standards and Regulations |
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80 | (1) |
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81 | (1) |
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81 | (1) |
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82 | (1) |
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82 | (1) |
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4.3.6 Skills and Resources |
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82 | (1) |
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4.3.7 Health, Safety, and Environmental Issues |
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83 | (1) |
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84 | (1) |
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4.4 Design Drivers in the Product Environment |
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84 | (4) |
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4.4.1 Functional Performance |
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84 | (1) |
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4.4.2 Human-Machine Interface |
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85 | (1) |
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4.4.3 Crew and Passengers |
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86 | (1) |
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86 | (1) |
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87 | (1) |
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87 | (1) |
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87 | (1) |
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4.4.8 Environmental Conditions |
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87 | (1) |
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4.5 Design Drivers in the Product Operating Environment |
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88 | (5) |
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88 | (1) |
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89 | (1) |
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89 | (1) |
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90 | (1) |
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91 | (1) |
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91 | (1) |
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4.5.7 Contaminants, and Destructive and Hazardous Substances |
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92 | (1) |
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92 | (1) |
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4.5.9 Nuclear, Biological, and Chemical Contamination |
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92 | (1) |
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93 | (1) |
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93 | (1) |
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4.6 Interfaces with the Sub-system Environment |
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93 | (3) |
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4.6.1 Physical Interfaces |
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94 | (1) |
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94 | (1) |
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4.6.3 Data Communication Interfaces |
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95 | (1) |
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4.6.4 Input/Output Interfaces |
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95 | (1) |
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4.6.5 Status/Discrete Data |
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95 | (1) |
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96 | (10) |
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96 | (1) |
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4.7.2 The Threat of Obsolescence in the Product Lifecycle |
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97 | (1) |
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4.7.2.1 Requirements Specification |
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98 | (1) |
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99 | (2) |
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101 | (1) |
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4.7.2.4 Design, Development, and Manufacture |
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101 | (2) |
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103 | (1) |
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4.7.3 Managing Obsolescence |
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103 | (3) |
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106 | (7) |
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106 | (1) |
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107 | (1) |
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108 | (1) |
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4.8.4 Certification Issues |
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109 | (1) |
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109 | (1) |
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110 | (1) |
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110 | (3) |
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113 | (38) |
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113 | (1) |
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114 | (1) |
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115 | (5) |
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117 | (1) |
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118 | (1) |
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118 | (1) |
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119 | (1) |
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119 | (1) |
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5.4 Architecture Modelling and Trade-off |
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120 | (3) |
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5.5 Example of a Developing Architecture |
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123 | (3) |
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5.6 Evolution of Avionics Architectures |
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126 | (9) |
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5.6.1 Distributed Analogue Architecture |
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127 | (1) |
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5.6.2 Distributed Digital Architecture |
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128 | (2) |
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5.6.3 Federated Digital Architecture |
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130 | (2) |
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5.6.4 Integrated Modular Architecture |
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132 | (3) |
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5.7 Example Architectures |
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135 | (16) |
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5.7.1 Example 1: System Architecture |
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135 | (1) |
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5.7.2 Example 2: Flight Control System |
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136 | (2) |
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5.7.3 Example 3: Radar System |
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138 | (1) |
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5.7.4 Example 4: Vehicle Systems Management |
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139 | (10) |
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149 | (1) |
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149 | (1) |
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149 | (2) |
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151 | (36) |
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151 | (2) |
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153 | (1) |
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6.3 Examples of System Integration |
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153 | (19) |
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6.3.1 Integration at the Component Level |
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153 | (1) |
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6.3.2 Integration at the System Level |
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154 | (6) |
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6.3.3 Integration at the Process Level |
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160 | (3) |
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6.3.4 Integration at the Functional Level |
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163 | (3) |
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6.3.5 Integration at the Information Level |
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166 | (1) |
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6.3.6 Integration at the Prime Contractor Level |
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166 | (1) |
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6.3.7 Integration Arising from Emergent Properties |
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167 | (2) |
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6.3.8 Further Examples of Integrated Systems |
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169 | (1) |
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169 | (2) |
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171 | (1) |
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171 | (1) |
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6.4 System Integration Skills |
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172 | (3) |
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6.5 Management of System Integration |
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175 | (3) |
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175 | (1) |
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175 | (3) |
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6.5.3 Decomposition and Definition Process |
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178 | (1) |
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6.5.4 Integration and Verification Process |
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178 | (1) |
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6.5.5 Component Engineering |
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178 | (1) |
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6.6 Highly Integrated Systems |
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178 | (4) |
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6.6.1 Integration of Primary Flight Control Systems |
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179 | (3) |
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182 | (5) |
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184 | (2) |
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186 | (1) |
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186 | (1) |
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7 Verification of System Requirements |
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187 | (30) |
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187 | (2) |
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7.2 Gathering Qualification Evidence in the Lifecycle |
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189 | (2) |
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191 | (21) |
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7.3.1 Inspection of Design |
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192 | (1) |
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192 | (1) |
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193 | (1) |
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7.3.4 Modelling and Simulation |
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193 | (4) |
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7.3.4.1 Modelling Techniques |
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197 | (9) |
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206 | (1) |
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7.3.6 Environmental Testing |
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207 | (1) |
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7.3.7 Integration Test Rigs |
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207 | (2) |
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7.3.8 Aircraft Ground Testing |
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209 | (1) |
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210 | (1) |
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211 | (1) |
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212 | (1) |
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212 | (1) |
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7.4 An Example Using a Radar System |
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212 | (2) |
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214 | (3) |
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215 | (1) |
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215 | (1) |
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216 | (1) |
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8 Practical Considerations |
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217 | (32) |
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217 | (1) |
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218 | (2) |
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8.2.1 Identification of Stakeholders |
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218 | (1) |
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8.2.2 Classification of Stakeholders |
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219 | (1) |
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220 | (10) |
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8.3.1 The Nature of Communication |
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222 | (1) |
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8.3.2 Examples of Organisation Communication Media |
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223 | (2) |
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8.3.2.1 Mechanisms for Generating Information |
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225 | (1) |
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8.3.2.2 Unauthorised Access |
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225 | (1) |
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8.3.2.3 Data Storage and Access |
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226 | (1) |
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227 | (1) |
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8.3.3 The Cost of Poor Communication |
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227 | (1) |
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228 | (2) |
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8.4 Giving and Receiving Criticism |
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230 | (2) |
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8.4.1 The Need for Criticism in the Design Process |
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230 | (1) |
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8.4.2 The Nature of Criticism |
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230 | (1) |
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8.4.3 Behaviours Associated with Criticism |
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231 | (1) |
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232 | (1) |
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8.5 Supplier Relationships |
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232 | (2) |
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8.6 Engineering Judgement |
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234 | (1) |
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234 | (1) |
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235 | (1) |
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8.9 Aircraft Wiring and Connectors |
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236 | (10) |
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236 | (1) |
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237 | (1) |
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8.9.3 Wiring Bundle Definition |
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238 | (1) |
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239 | (1) |
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239 | (2) |
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8.9.6 Aircraft Electrical Signal Types |
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241 | (1) |
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8.9.7 Electrical Segregation |
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242 | (1) |
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8.9.8 The Nature of Aircraft Wiring and Connectors |
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242 | (2) |
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8.9.9 Use of Twisted Pairs and Quads |
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244 | (2) |
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8.10 Bonding and Grounding |
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246 | (3) |
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248 | (1) |
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248 | (1) |
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248 | (1) |
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249 | (20) |
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249 | (1) |
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9.2 Configuration Control Process |
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249 | (1) |
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9.3 A Simple Portrayal of a System |
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250 | (2) |
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9.4 Varying System Configurations |
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252 | (3) |
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9.4.1 System Configuration A |
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252 | (1) |
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9.4.2 System Configuration B |
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253 | (1) |
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9.4.3 System Configuration C |
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254 | (1) |
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9.5 Forwards and Backwards Compatibility |
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255 | (1) |
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9.5.1 Forwards Compatibility |
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255 | (1) |
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9.5.2 Backwards Compatibility |
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256 | (1) |
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9.6 Factors Affecting Compatibility |
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256 | (2) |
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257 | (1) |
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257 | (1) |
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258 | (1) |
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258 | (1) |
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9.8 Configuration Control |
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259 | (5) |
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9.8.1 Airbus A380 Example |
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261 | (3) |
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264 | (3) |
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9.9.1 Interface Control Document |
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264 | (2) |
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9.9.2 Aircraft-level Data Bus Data |
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266 | (1) |
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9.9.3 System Internal Data Bus Data |
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266 | (1) |
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9.9.4 Internal System Input/Output Data |
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267 | (1) |
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9.9.5 Fuel Component Interfaces |
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267 | (1) |
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9.10 Control of Day-to-Day Documents |
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267 | (2) |
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268 | (1) |
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10 Aircraft System Examples |
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269 | (22) |
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269 | (1) |
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10.2 Design Considerations |
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269 | (2) |
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10.3 Safety and Economic Considerations |
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271 | (1) |
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10.4 Failure Severity Categorisation |
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272 | (1) |
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10.5 Design Assurance Levels |
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272 | (1) |
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273 | (7) |
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10.6.1 Architecture Options |
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274 | (1) |
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10.6.1.1 Simplex Architecture |
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274 | (2) |
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10.6.1.2 Duplex Architecture |
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276 | (1) |
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10.6.1.3 Dual/Dual Architecture |
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276 | (1) |
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10.6.1.4 Triplex Architecture |
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276 | (1) |
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10.6.1.5 Quadruplex Architecture |
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276 | (1) |
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277 | (1) |
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10.6.2.1 Major Systems Event |
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277 | (1) |
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10.6.2.2 Flight Critical Event |
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278 | (2) |
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10.7 Integration of Aircraft Systems |
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280 | (7) |
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10.7.1 Engine Control System |
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282 | (1) |
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10.7.2 Flight Control System |
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283 | (1) |
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10.7.3 Attitude Measurement System |
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284 | (1) |
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284 | (1) |
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10.7.5 Electrical Power System |
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285 | (1) |
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10.7.6 Hydraulic Power System |
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286 | (1) |
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10.8 Integration of Avionics Systems |
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287 | (4) |
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290 | (1) |
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11 Integration and Complexity: The Potential Impact on Flight Safety |
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291 | (18) |
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291 | (1) |
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291 | (3) |
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294 | (4) |
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298 | (1) |
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11.5 Impact on Flight Safety Discussion |
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299 | (3) |
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11.6 Single-pilot Operations |
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302 | (1) |
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11.7 Postscript: Chaos Discussion |
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303 | (6) |
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307 | (1) |
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307 | (1) |
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308 | (1) |
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12 Key Characteristics of Aircraft Systems |
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309 | (48) |
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309 | (2) |
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311 | (15) |
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326 | (10) |
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336 | (7) |
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12.5 Sizing and Scoping Systems |
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343 | (2) |
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12.6 Analysis of the Fuel Penalties of Aircraft Systems |
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345 | (12) |
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345 | (1) |
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12.6.2 Basic Formulation of Fuel Weight Penalties of Systems |
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346 | (3) |
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12.6.3 Application of Fuel Weight Penalties Formulation for Multi-phase Flight |
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349 | (1) |
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12.6.4 Analysis of Fuel Weight Penalties Formulation for Multi-phase Flight |
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350 | (1) |
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12.6.5 Use of Fuel Weight Penalties to Compare Systems |
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350 | (1) |
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12.6.6 Determining Input Data for Systems Weight Penalties Analysis |
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351 | (1) |
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351 | (1) |
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12.6.6.2 Specific Fuel Consumption |
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352 | (1) |
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352 | (1) |
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12.6.6.4 System Drag Increase |
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352 | (1) |
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12.6.6.5 Increase in sfc Due to Systems Power Off-takes |
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352 | (2) |
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354 | (1) |
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354 | (3) |
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357 | (6) |
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359 | (2) |
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13.2 A Historical Footnote |
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361 | (2) |
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362 | (1) |
Index |
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363 | |