| The Concept of Reliability | p. 1 |
| The meaning of reliability in engineering | |
| Failure frequency-a measure of reliability | |
| Early, chance, and wearout failures | |
| Distribution of failures in the time domain and failure probability | |
| Probability and reality | |
| The tossing of a well-balanced coin | |
| True probability and estimates | |
| Reliability is the probability of success | |
| The Definition of Reliability | p. 11 |
| The accepted definition | |
| Example of the biased coin | |
| Adequate and inadequate performance of a function | |
| The time element in reliability | |
| Mean time between failures | |
| Mean number of cycles between failures | |
| Correlation between operating time and other life parameters | |
| The Exponential Case of Chance Failures | p. 17 |
| The exponential reliability formula | |
| Failure rate and mean time between failures | |
| Useful life | |
| The standardized exponential reliability function | |
| System reliability vs. reliability of components | |
| Conversion of the mean number of cycles between failures to the mean time between failures | |
| The Derivation of the Reliability Function | p. 24 |
| A definition of probability | |
| Reliability and unreliability as fractions of survivors and failures | |
| Instantaneous failure rate | |
| The derivation of the general reliability formula | |
| The failure density function and its integration | |
| Useful Life of Components | p. 32 |
| Randomness of chance failures | |
| Their physical mechanism | |
| Constant failure rate and exponential decay | |
| Replacement and non-replacement tests | |
| Failure rate vs. life | |
| Burn-in, useful life, and wearout periods | |
| Mean wearout life | |
| Debugging and preventive replacement | |
| Wearout and Reliability | p. 36 |
| The normal distribution of wearout failures | |
| The normal density function | |
| Mean wearout life and standard deviation | |
| A priori, cumulative, and conditional probability of wearout failure | |
| The use of normal tables | |
| The wearout failure rate and its standardization | |
| The logarithmic normal distribution | |
| Choice of component replacement time and system reliability | |
| Chance and wearout | |
| Combined Effects of Chance and Wearout Failures | p. 52 |
| Conditional reliability of components and system reliability | |
| Wearout effects | |
| What happens when components in a system are replaced only "as they fail." | |
| The wearout replacement rate | |
| The exponential behavior of systems with stabilized wearout failure rates | |
| Early Failures and the Life Function of Components | p. 63 |
| Substandard components | |
| The chance mechanism of early failures | |
| The exponential decay of substandard components in a repairable system | |
| The mean debugging time | |
| Perfect and nonperfect repair | |
| Incremental failure rate | |
| Over-all component failure rate | |
| The life function of components | |
| The Exponential and Poisson Distributions | p. 76 |
| The exponential distribution of chance failures in debugged systems | |
| The general equation for mean time between failures | |
| The constant failure rate of the exponential case | |
| The addition of exponents | |
| Events in the time domain | |
| The binomial distribution | |
| The Poisson distribution | |
| The probability of an exact number of failures | |
| Reliability of Series Systems | p. 85 |
| Components and systems | |
| Simple probability theorems for reliability calculations | |
| The product rule of series reliabilities | |
| The addition of series failure rates | |
| Stress levels | |
| Component failure rates in system time scale | |
| Continuously and intermittently operating components | |
| Cycled components | |
| Switching frequency and system reliability | |
| Reliability of Parallel Systems | p. 97 |
| Parallel redundancy | |
| The product rule of parallel unreliabilities | |
| Parallel system reliability and mean time between failures | |
| Reliability gains by parallel redundancy | |
| Effects of various maintenance policies on redundant systems | |
| The expected number of scheduled and unscheduled replacements | |
| The binomial expansion | |
| Partial redundancies | |
| Series-parallel systems | |
| Probability that no maintenance will be required | |
| Reliability of Stand-By Systems | p. 112 |
| Equal components in stand-by | |
| The mean time between failures of stand-by systems | |
| Failure-sensing and switchover | |
| Unequal components in stand-by | |
| Bayes' Theorem in Reliability | p. 121 |
| Reliability calculation of systems which are neither in series, parallel, nor stand-by | |
| Bayes' probability theorem | |
| Its application in reliability | |
| Component Modes of Failure and System Reliability | p. 127 |
| Components with several modes of failure | |
| Extension of Bayes' theorem to modes of failure | |
| Electronic switching circuit reliabilities | |
| Reliability of load-sharing components | |
| Switches in parallel and series operation | |
| Component Failure Rates at System Stress Levels | p. 142 |
| Component life parameters | |
| The common time factor | |
| Component duty cycles in system operating time scale | |
| Sequence operation of systems | |
| The physical processes of component failure | |
| The stress spectrum and failure frequency | |
| Interaction between component strength and applied stresses | |
| Environmental and operating stresses | |
| The importance of temperature | |
| Failure rate derating curves and their use in design work | |
| The effects of storage | |
| A model equation for failure rate transfer | |
| Testing at three stress levels | |
| Operating stress level analysis | |
| Safety and Reliability of Aircraft and Airborne Systems | p. 155 |
| Operational reliability | |
| System safety as a probability concept | |
| Safety functions, essential functions, and convenience functions | |
| Minimum requirements for safety and reliability of aircraft | |
| Conditional probabilities in system reliability calculations | |
| System reliability as a product of function reliabilities | |
| Aircraft reliability for nonstop flights and flights with intermediate stops | |
| Airworthiness | |
| System Maintenance, Availability, and Dependability | p. 165 |
| Regular and off-schedule maintenance | |
| Expected number of inservice failures | |
| Manhour calculations | |
| Maintenance clock time and down time | |
| System utilization factor | |
| Redundant systems | |
| In-service repair | |
| Space system reliability and maintainability design | |
| System reliabilities independent of the operating time | |
| Regular inspections | |
| Estimation of the maintenance manhour requirements for redundant systems | |
| Equations for system availability and dependability | |
| Reliability Design Considerations | p. 176 |
| Performance and reliability design | |
| The designer's reliability control program | |
| Designing for numerical reliability requirements | |
| Preliminary design reliability analysis | |
| Choice of most reliable design | |
| Circuit analysis and stress analysis | |
| Application of failure rate derating techniques | |
| When to use redundancy | |
| Prototype reliability tests | |
| Management attitude to reliability | |
| Reliability support organization | |
| Collection of component reliability characteristics | |
| Component life and drift of parameters | |
| Tolerant design | |
| Design simplification | |
| Design Analysis Examples | p. 186 |
| The reliability block diagram and analysis of an airborne radio communication system | |
| Failure rate derating and effects of redundancy | |
| Reliability analysis of three configurations of twin-engine aircraft, variable-speed, constant-frequency generating systems | |
| Use of Bayes' theorem | |
| Reliability analysis of an aircraft hydraulic-brake system | |
| Overhauls and Part Replacements | p. 195 |
| Choice of regular overhaul times | |
| Mean time between scheduled and unscheduled overhauls | |
| Extension of the time between overhauls and probability of wearout failures | |
| Equipment design life | |
| Parts replacement schedules | |
| The mean time between failures of regularly inspected and maintained systems | |
| The concept of the constant average failure rate | |
| Equations for regularly maintained stand-by and parallel systems | |
| Preventive maintenance and the mean time between wearout failures | |
| Component Reliability Measurements | p. 208 |
| Evaluation of statistical data and estimates | |
| Simulated environment tests | |
| Nonreplacement, per cent survival and replacement tests for exponential components | |
| Censorship | |
| Sample sizes | |
| Component mean wearout life and standard deviation measurements | |
| Truncated normal tests | |
| Storage tests | |
| Degradation and permanent tolerance drift tests | |
| Confidence Limits | p. 227 |
| Confidence levels and intervals for estimated mean wearout life and standard deviation | |
| Tables for one-sided and two-sided confidence limits | |
| Overhaul and replacement times based on confidence limits | |
| Confidence limits for truncated normal tests | |
| The chisquare confidence limits for exponential mean times between failures | |
| Lower confidence limits on reliability estimates | |
| Graph for confidence limits evaluation | |
| Confidence in spare parts availability | |
| System Reliability Measurements | p. 245 |
| Repairable and nonrecoverable systems | |
| Maintenance specification and system wearout prevention | |
| Tests for the mean time between failures of exponential systems | |
| Systems containing redundancy | |
| Nonparametric estimation of the reliability function | |
| Sequential Reliability Tests | p. 254 |
| The probability of an exact number of failures | |
| Probability ratios | |
| Consumer's and producer's risks | |
| Rules for making decisions in sequential tests | |
| Minimum test times for accept and reject decisions | |
| Test truncation | |
| The graphical procedure | |
| Accumulated test time computations | |
| Failure definition | |
| Sequential tests for mean wearout life and standard deviation | |
| Binomial reliability tests | |
| Accelerated tests | |
| The Implementation of Reliability | p. 274 |
| A historical review | |
| The designer's responsibility in reliability | |
| The status of a reliability organization | |
| The role of quality control | |
| Quality and reliability | |
| Production and inspection | |
| Reliability education | |
| The financial benefits of reliability | |
| The State-of-Art of Reliability | p. 283 |
| Mathematical statistics and the probability theory | |
| Approximations to reality | |
| The pressing problem of component failure rates | |
| The role of physicists in reliability | |
| How reliable are "high reliability" components? | |
| Testing and no guessing | |
| A brief summary | |
| Index | p. 287 |
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