MIL_STD_471A - MIL-STD-471A 27 March 1973 Superseding...

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MIL-STD-471A 27 March 1973 Superseding MIL-STD-471 15 Feb 1966 and MIL-STD-473 3 May 1971 MILITARY STANDARD MAINTAINABILITY VERIFICATION/DEMONSTRATION/EVALUATION MISC-0855
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MIL-STD-471A 27 March 1973 DEPARTMENT OF DEFENSE WASHINGTON DC MAINTAINABILITY VERIFICATION/DEMONSTRATION/EVALUATION MIL-STD-471A 1. This standard is approved for use by all Departments and Agencies of the Department of Defense. 2. Recommended corrections, additions, or deletions should be reported to the preparing activity (see Defense Standardization Directory SD-1 for mailing address). i
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MIL-STD-471A 27 March 1973 FOREWORD Maintainability, a characteristic of design and installation and affected by various personnel and logistic factors, is one of many system requirements which must be considered during the system engineering effort, The degree of maintainability achieved depends upon the requirements imposed and management emphasis on maintainability. This standard defines a carefully planned program to be implemented for verification, demonstration and evaluation of maintainability. The purpose of this standard is to establish uniform procedures, test methods, and requirements for verification, demonstration, and evaluation of the achievement of specified maintainability require- ments and for assessment of the impact of planned logistic support. This standard is applicable to all Department of Defense procurements which require a maintainability verification/demonstra- tion/evaluation of maintainability requirements. ii
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MIL-STD-471A 27 March 1973 TABLE OF CONTENTS Paragraph 1. 1.1 1.2 2. 3. 4. 4.1 Fig. 1 4.1.1 4.1.2 4.1.3 4.2 Page 4.3 4.3.1 4.3.2 4.3.3 4.4 4.5 4.6 4.7 4.8 5. APPENDIX A A. 10 A.10.1 A.10.2 A.10.3 A.10.4 A.10.5 Table I Table II Scope Purpose Application Applicable Documents Definitions Requirements General Time Phased Chart Phase I Phase II Phase III Maintainability Verification/Demonstration/ Evaluation Plan Test Procedures Maintenance Task Generation Turnaround Tasks Test Method Administration GFE/GFAE Items Data Collection Maintainability Parameter Calculations Maintainability Verification/Demonstration/ Evaluation Reports Ordering Data Scope Purpose Application Sample Stratification Stratification Procedure Failure Mode Selection Stratification Procedure Failure Mode Selection 1 1 1 1 1 3 3 4 5 6 8 8 11 11 12 12 12 15 16 17 17 18 19 19 19 23 24 25 111
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MIL-STD-471A 27 March 1973 TABLE OF CONTENTS (Cont'd) Paragraph Page APPENDIX B B.10 B.10.1 B.10.2 B.10.3 B.10.4 B.10.5 Fig. B-1 B.10.6 B.10.7 B.20 B.30 B.40 B.50 B.60 B.70 B.80 Scope 26 Purpose 26 Application 26 Sample Size 26 Task Selection 26 Test Selection 26 Test Method Matrix 27 References 28 List of Symbols Test Method 1 28 - Test on the Mean 31 Test Method 2 - Test on Critical 34 Percentile Test Method 3 - Test on Critical 37 Maintenance Time or Manhours Test Method 4 - Test on the 41 Median (ERT) Test Method 5 - Test on Chargeable 44 Maintenance Downtime Per Flight Test Method 6 - Test on Manhour 52 Rate Test Method 7 - Test on Manhour 53 Rate (Using Simulated Faults) iv
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MIL-STD-471A 27 March 1973 1.
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This note was uploaded on 05/11/2011 for the course ELECTRONIC 005 taught by Professor Haghbin during the Spring '10 term at Sharif University of Technology.

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MIL_STD_471A - MIL-STD-471A 27 March 1973 Superseding...

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