MIL-STD-411 Aircrew Station Alerting SystemsThis standard covers aircraft aircrew station alerting systems including general functions, operational logic; information content of messages; and physical characteristics of the alerting systems visual, auditory, and tactile signals.

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MIL-STD-411F

CONTENTS

PARAGRAPH                                                                                                         PAGE FOREWORD.................................................................................... ........... ii

1.         SCOPE...........................................................................................................1

1.1             Scope...................................................................................... .................1

1.2             Purpose................................................................................... .................1

1.3             Applicability..............................................................................................1

2.         APPLICABLE DOCUMENTS.......................................................................1

2.1             General.....................................................................................................1

2.2             Government documents............................................................ ................1

2.2.1          Specifications, standards and handbooks................................ ...................1

2.3             Order of precedence..................................................................................2

3.         DEFINITIONS...............................................................................................2

3.1             Abbreviations and acronyms.................... ...................................................

3.2             Alert signal............................................................................... ................2

3.3             Angle of incidence.................................................................... ................2

3.4             Annunciator..............................................................................................2

3.5             Audio signal..............................................................................................2

3.5.1          Audio caution/master warning signal.........................................................2

3.5.2          Audio warning/master warning signal........................................................3

3.5.3          Tone.........................................................................................................3

3.5.4          Voice message.................................................................. ........................3

3.6             Contrast and contrast ratio........................................................................3

3.7             Design eye line..........................................................................................3

3.8             Design eye position...................................................................................3

3.9             Display..................................................................................... ................3

3.9.1          Dedicated alert display...................................................... ........................3

3.9.2          Integrated display......................................................................................3

3.9.3          Transilluminated display............................................................................3

3.10           Flag.......................................................................................... ................3

3.11           Indicator................................................................................... ................3

3.12           Tactile signal.............................................................................................3

3.13           Visual signal............................................................................. ................3

3.13.1        Advisory signal......................................................................... ................3

3.13.2        Annunicator assembly........................................................................ .......3

3.13.3        Caution signal......................................................................... ..................4

3.13.4        Legend signal....... ....................................................................................4

3.13.5        Master caution signal ................................................................................4

3.13.6        Master warning signal ...............................................................................4

3.13.7        Nonlegend signal.......................................................................................4

3.13.8        Warning signal ..... ....................................................................................4

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