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Downloaded from http://www.everyspec.com on 2011-10-29T14:56:01.DOD-HDBK-791(AM)TABLE 9-8. HUMAN ERROR RATE ESTIMATE DATA (Ref. 22)EstimatedRatesActivity10 -4 Selection of a key-operated switch, rather than a nonkey switch. (The value does not include theerror of decision where the operator misinterprets the situation and believes the key switch is thecorrect choice. )10 -3 Selection of a switch (or pair of switches) dissimilar in shape or location to the desired switch (orpair of switches) assuming no decision error. For example, operator actuates a large-handledswitch, rather than a small switch.3 X 10-3 General human error of commission, e.g., misreading label and thereby selecting wrong switch.10 -2 General human error of omission where there is no display in the control room of the status ofthe item omitted, e.g., failure to return a manually operated test value to proper configurationafter maintenance.3 x 10- 3 Errors of omission, where the items being omitted are embedded in procedure, rather than at theend as in the previous activity.3 x 10- 2 Simple arithmetic errors with self-checking but without repeating the calculation by redoing it onanother piece of paper.0.2-0.3 General error rate given very high stress levels where dangerous activities are occurring rapidly.the sooner this point is reached. Accordingly, some of the 2. Noise (discussed in par. 9-4.2)environmental elements that interfere with the normal 3. Temperature and humidity (see Chapter 10)sensory process or heighten stress require study and mea- 4. Acceleration. shock, and vibration (see Chaptersurement during engineering test (Ref. 3). Contributing 10)environmental elements are5. Toxicological, radiological, and electromagnetic1. Illumination (discussed in par. 9-4.1) hazards (see Chapter 10).9-16
Downloaded from http://www.everyspec.com on 2011-10-29T14:56:01.1. MIL-H-46855B, Human Engineering Requirementsfor Military Systems, Equipment, and Facilities, 5April 1984.2. MIL-STD-1472C, Human Engineering DesignCrileria for Military Systems, Equipment and Facilities,10 May 1984.3. MIL-HDBK-759A, Human Factors in Design ofArmy Materiel, June 1981.4. MIL-HDBK-743, Anthropometry of US MilitaryPersonnel, 3 October 1980.5. Report TR EPT-2, Reference Anthropometry of theArctic-Equipped Soldier, US Army Natick Laboratories,Natick, MA.6. Report TR 72-51-CE, The Body Size of Soldiers: USArmy Anthropomtetr, 1966.7. DH 1-3, Design Handbook, Human Factors Engineering,AFSC, Wright-Patterson AFB, OH, ThirdEdition, March 1977.8. J. W. Garett and K. W. Kennedy, A Collection ofAnthropometry, Aerospace Medical Research Laboratory,Wright-Patterson AFB, OH, 1971.9. Harold P. VanCott and Robert G. Kinkade, HumanEngineering Guide to Equipment Designs, Superintendentof Documents, US Government PrintingOffice, Washington, DC, 1972. (Revision of 1963McGraw-Hill edition)10. Wood son and Conover, Human Engineering Guidefor Equipment Designers, University of CaliforniaPress, Berkeley, CA, 1964.11. Harold P. VanCott and Robert G. Kinkade, Eds.,Human Engineering Guide to Equipment Design,McGraw-Hill Book Company, New York, NY 1963.REFERENCES12.13.14.15.16.17.18.19.20.21.22.DOD-HDBK-791(AM)J. R. Mertney, et al., Human Factors in Design,Energy Research and Development AdministrationReport, ERDA 76-45-2.DOD-HDBK-761, Human Engineering Guidelinesfor Management Information Systems, June 1985.AMCP 706-133, Engineering Design Handbook,Maintainability Engineering Theory and Practice,January 1976.TB ME D 501, Occupational and EnvironmentalHealth: Hearing Conservation, March 1980.AR 611-201, Enlisted Career Management Fieldsand Military Occupational Specialties, 25 October1985.Field Circular 21-451, I am the American Soldier, USArmy Soldier Support Center, Fort Benjamin Harrison,IN, 31 March 1985.W. Hammer, Handbook of System and ProductSafety, Prentice-Hall, Englewood Cliffs, NJ, 1972.M. M. Berkun, “Performance Decrement UnderPsychological Stress”, Human Factors 6, 21-30( 1964).David Meister, Subjective Data in Human ReliabililyEstimates, Reliability and Maintainability Conference,1978.Human Reliability Prediction System User's Manual,Department of Navy, Sea Command, December1977.A. D. Swain, A Method for Performing a HumanFactors Reliability Analysis, Report SCR-685, SandiaCorporation, August 1963.BIBLIOGRAPHYAA Collection of Anthropometry, J. W. Garett and K. W. Engineering Anthropometry Methods, J. A. Roebuck, H.Kennedy, Aerospace Medical Research Laboratory, H. E. Kroemer, and W. G. Thomson, John Wiley andWright-Patterson AFB, OH, 1971. Sons, Inc., New York, NY, 1975.9-17
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