DEFSTAN 00-42(PT4)/2(2008) : 2008

Foreword
Introduction
SECTION 1 - GENERAL REQUIREMENTS1
1 Scope
2 Warning
3 References
4 Definitions
   4.1 Built In Test (BIT)
   4.2 Built In Test Equipment (BITE)
   4.3 Depth of Test
   4.4 External Test System
   4.5 Failure
   4.6 Failure Detection
   4.7 Failure Isolation
   4.8 Failure Localisation
   4.9 False Alarm
   4.10 Fault Tolerant Design
   4.11 No Fault Found
   4.12 Prognostics
   4.13 Testability
   4.14 Test Effectiveness
   4.15 Test Coverage
5 Abbreviations
SECTION 2 - TESTABILITY
6 TESTABILITY PROCESS
   6.1 Introduction
   6.2 Region of Testability
   6.3 Test Coverage
   6.4 Failure Detection
   6.5 Failure Localisation
   6.6 Failure Isolation
   6.7 No Fault Found
7 FAULT TOLERANT DESIGN
   7.1 Redundant and Re-Configurable Systems
   7.2 Artificial Intelligence
8 PROGNOSTICS
9 TESTABILITY MEASURES
   9.1 Test Coverage
   9.2 Failure Detection
   9.3 False Alarms
   9.4 Failure Localisation
   9.5 Failure Isolation
10 TESTABILITY AND THE R&M CASE
11 TESTABILITY RISK
   11.1 Introduction
   11.2 Reliability Impact
   11.3 Maintainability Impact
   11.4 Availability Impact
12 CONTRACTING FOR TESTABILITY
   12.1 Introduction
   12.2 Test Documentation
   12.3 Configuration Management
   12.4 Verification and Validation of Testability
   12.5 The Testability of the Test System
   12.6 Demonstration

Specifies requirements for procedural and technical aspects and guidelines to be followed during development of equipment acquired for the UK armed forces.