MIL-STD-411 Revision F:1997

FOREWORD
1 SCOPE
1.1 Scope
1.2 Purpose
1.3 Applicability
2 APPLICABLE DOCUMENTS
2.1 General
2.2 Government documents
2.2.1 Specifications, standards and handbooks
2.3 Order of precedence
3 DEFINITIONS
3.1 Abbreviations and acronyms
3.2 Alert Signal
3.3 Angle of incidence
3.4 Annunciator
3.5 Audio signal
3.5.1 Audio caution/master warning signal
3.5.2 Audio warning/master warning signal
3.5.3 Tone
3.5.4 Voice message
3.6 Contrast and contrast ratio
3.7 Design eye line
3.8 Design eye line position
3.9 Display
3.9.1 Dedicated alert display
3.9.2 Integrated display
3.9.3 Transilluminated display
3.10 Flag
3.11 Indicator
3.12 Tactile signal
3.13 Visual signal
3.13.1 Advisory signal
3.13.2 Annunciator assembly
3.13.3 Caution signal
3.13.4 Legend signal
3.13.5 Master caution signal
3.13.6 Master warning signal
3.13.7 Nonlegend signal
3.13.8 Warning signal
4 GENERAL REQUIREMENTS
4.1 Aircrew station alerting system
4.1.1 Functional characteristics
4.1.2 Selection and presentation of signals
4.1.2.1 Luminance contrast and levels
4.1.2.2 Selection of signals
4.1.2.3 Presentation of signals
4.1.3 Signal displays
4.1.3.1 Legends
4.1.3.2 Color
4.1.3.3 Luminance and contrast
4.1.3.3.1 Transilluminated displays
4.1.3.3.2 Electronic displays
4.1.3.4 Lettering
4.1.3.5 Visual signal flash rate
4.1.3.6 Test systems
4.1.3.7 Alerting signals
4.1.3.8 Cancellation of master warning/caution signal
4.1.4 NVIS lighting compatibility
4.1.4.1 Alerting system
5 DETAILED REQUIREMENTS
5.1 Dedicated signal assemblies
5.1.1 Signal perception
5.1.1.1 Light signal luminance
5.1.2 Location and arrangement of signals
5.1.3 Warning signals
5.1.3.1 Color
5.1.3.2 Legend
5.1.3.3 Luminance
5.1.3.4 Presentation
5.1.3.5 Master warning signal reset
5.1.3.6 Wheels warning legend (VSTOL aircraft)
5.1.3.7 Wheels warning legend (VTOL aircraft)
5.1.4 Caution signals
5.1.4.1 Color
5.1.4.2 Legend
5.1.4.3 Luminance
5.1.4.4 Presentation
5.1.4.5 Master caution signal reset
5.1.5 Advisory signals
5.1.5.1 Color
5.1.5.2 Legend
5.1.5.3 Luminance
5.1.5.4 Presentation
5.2 Integrated alert displays
5.2.1 Benefit
5.2.2 Display type
5.2.3 Number and location of displays
5.2.4 Message presentation
5.2.4.1 Warning messages
5.2.4.2 Caution messages
5.2.4.3 Advisory messages
5.2.5 Message format
5.2.5.1 Syntax
5.2.5.2 Prioritization
5.2.5.3 Overflow memory
5.2.5.4 Color coding
5.2.5.5 Minimum message duration
5.2.6 Options and control
5.2.6.1 Message prioritization
5.2.6.2 Inhibit logic
5.2.6.3 Storage and recall
5.2.7 Display luminance and contrast
5.2.8 Display size
5.2.9 Character dimensions
5.2.10 Maintenance record
5.2.11 Test provisions
5.3 Audio warning signals
5.3.1 Master warning signals
5.3.2 Bail-out signal
5.3.3 Wheels-up signal
5.3.4 Audio angle of attack/airspeed/stall warning
           signal
5.3.5 Nuclear radiation danger signal
5.3.6 Verbal audio warning signals
5.3.7 Other verbal audio signals
5.4 Mechanical visual signals
5.4.1 Color
5.4.2 Markings
5.4.3 Luminance
5.4.3.1 Flags
5.4.3.2 Indicators
5.5 Tactile signals
6 NOTES
6.1 Intended use
6.2 Issue of DoDISS
6.3 Tailoring guidance
6.3.1 Alerting system options
6.4 Subject term (key word) listing
6.5 International interest
6.6 Use of metric units
6.7 Changes from previous issue
FIGURE
1 Legend presentation
TABLE
I. Audio angle of attack/airspeed/stall warning
           signal
CONCLUDING MATERIAL

Specifies requirements for presentation of display characteristics, utilization of signals, and signal assemblies; in aircrew stations, in military aircraft.