User`s Manual - s
Contents
1. ACTONYMS oncccoccconnnnnnnns Terms and Definitions Process Capability Pro Overview The Process Capability Pro software tool allows the User to generate a list of recommended Mission Assurance process activities based on specified program processes and process capability levels The Mission Assurance program covers Reliability Maintainability Availability and Dependability RMAD System Safety and Quality Assurance QA programs This tool is complaint with S 102 Mission Assurance Standards Project files from Program Processes Pro software tool i e files with extension pppf can be opened in the Process Capability Pro software tool The Program Processes Pro tool helps to identify the set of recommended S 102 Mission Assurance Standard processes that are commensurate with a User defined product unit value When opening Program Processes Pro files with Process Capability Pro the recommended processes will be carried over and recommended process capability levels by life cycle phase will be automatically assigned to complement the set For more details see section 1 2 3 1 2 of this User s Manual 1 0 Running and Navigating Process Capability Pro 1 1 Starting the Program If the Process Capability Pro icon Fig 1 1 1 is on the Desktop double click it to execute the Process Capability Pro software tool Process Capability Pro Figure 1 1 1 Process Capability Pro Icon If the icon is not on the Desktop go2. 6 Type a file name into the File Name text box then press the Open button NOTE Only project files with format and extension pcpf or pppf can be opened by this program Current directory location Look Te O Projects e En Available files My Documents 2 Open mputer button i File name Selected My Network Files of type All Files pcpf pppf file name Paces I Open as read only Figure 1 2 3 1 2 1 1 Open project dialog box 12 1 2 3 1 3 Save Once a Project has been saved under a specified file name if the User is still working on that same project file then the project can be re saved quickly by using the Save option To use the Save option go to File gt Save 1 2 3 1 4 Save As To save a project file and label it with a specific name go to File gt Save As gt Save As pcpf Project A dialog box will appear that can be used to name and save the current project file to a specified location 1 2 3 1 4 1 Save Project Options The Save dialog box is shown in Figure 1 2 3 1 4 1 A project file can be saved by either one of three ways 1 Double click a file listed in the Existing file s section of the dialog box to save over and existing file 2 Select a file listed in the Existing file s section of the dialog box then press the Save button to save over and existing file 3 Type a file name into the File Name text box then press the Save button 13 Curren
3. 2 Process Capability Pro Technology Development Engineering and Manufacturing Development Production and Deployment Operations and Support STEP 2 Import Project File Click to Import _pppf Project File 5 4 2014 1 43 PM Figure 1 2 3 1 Drop Down Menus File menu To get to the File menu left click on File which is located in the drop down menu near the top left side of the screen Fig 1 2 3 1 The File drop down menu focuses on project file handling functions and contains the following options New Open Save Save As Exit 1 2 3 1 1 New To start a new project go to File gt then select New A new project will be created 11 NOTE Only one 1 project can be open and worked on at a time 1 2 3 1 2 Open To open a saved project go to File gt then select Open A dialog box will appear that can be used to navigate and select a project file to open The Open feature is used to load Process Capability Pro project files i e projects with file extension pcpf and import Program Processes Pro project files 1 e projects with the file extension pppf 1 2 3 1 2 1 Open Project Options Figure 1 2 3 1 2 1 1 shows the Open dialog box A project file can be opened by either one of three ways 4 Double click a file listed in the Available file s section of the dialog box 5 Select a file listed in the Available file s section of the dialog box then press the Open button
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5. button 3 Type a file name into the File Name text box then press the Open button Current directory location Selected file name gt 5 Projects al a Sample Project 1 pppf 2 sample Project 2 pppf Available 2 Sample Project 3 pppf a Sample Project 4 pppf files E Sample Project 5 pppf Open button II y Files oftype AI Fies Copo Cancer I Open as read only Figure 1 2 2 1 Import project dialog box Once a project is imported the Results screen will appear as shown in Figure 1 2 2 2 From the Results screen additional information will be displayed by either left clicking on any of the identified processes or capability levels 1 Drop down Menu 2 Processes 1 2 2 1 f Process Capability Pro Results l File Sort References y Ref Parent Capabilit Mission Assurance Process 3 aliea E Program Domain al Level y AMAD Pi 7 Planning 1021 14 NER MSN vases 1 Level I J i 2 System Safety Program Planning 102 1 1 2 EM Management Capabiity Level 1 3 BA Program Planning 102 1 1 3 Gell Capability I Level 1 Subcontractor and Supplier RMAD Management 102 1 2 1 Management SEES and Supplier System Safety 102 1 22 SYSTEM Management Management SAFETY Figure 1 2 2 2 Results Screen Display Recommended Process Activities by Capability Level 3 Capability Levels To disp
6. 3 2 1 About Screen 1 3 1 Main Buttons Toolbar As shown in Figure 1 3 1 1 Process Capability Pro software tool provides buttons for quick access to the following functions that are performed on projects e New e Open e Save 15 2 Process Capability Pro File Help Main Button Toolbar Technology Development Engineering and Manufacturing Development Production and Deployment Operations and Support STEP 2 Import Project File Click to Import _pppf Project File 5 4 2014 1 43 PM Figure 1 3 1 1 Button Toolbar 1 3 1 1 New Left click the New button to create a new project NOTE Only one 1 project can be open and worked on at a time 1 3 1 2 Open The Open button provides quicker access to the Open project dialog box For details on the dialog box see section 1 2 3 1 2 1 for details 1 3 1 3 Save Once a Project has been saved under a specified file name if the User is still working on that same project file then the project can be re saved quickly by left clicking the Save button 16 1 4 Results Screen Drop Down Menus Results Drop own Menus J Fie Sort References Medium Unit Value f F f Mission Assurance Process S502 Standard fee _ Program Domain em 7 1 IRMAD Program Planning 102 1 1 1 RMAD Management Capability Level 1 2 System Safety Program Planning 102 1 1 2 FE Management Capability Level 1 3 QA Program Planning 102 1 1 3 DA M
7. Process Capability Pro Version 1 0 User s Manual Created by Simanima Table of Contents Page Process Capability Pro Overview neaei ast bon cds 4 1 0 Running and Navigating Process Capability PrO onnnnncinncnnnnnoninnnnnnnnnnnananccanonanannocinos 5 Lob St ring the Prost E E R 5 12 Navigating the Dolina GAO Se A ii dida 5 1 2 1 Step 1 Selecting Technology Development or Life Cycle Phase ononncninnnnnnnnnc 6 1 2 2 gt Step 2 Import Program Processes Pro Project Pile viscosidad iiirpiciin s 7 1 2 2 1 Display Recommended Process Activities by Capability Level 9 12242 Display Process PUDO Ei Ad A oie ds 10 1 2 3 Main Diop Down Mei 10 ea A Pile MON A En A 11 LAA NO alana othid nedins E E A N 11 A aiaa RMSE ease E AEE Se a ah hea 12 1 2 3 1 21 Open Project Options ea e E e EREE 12 1 23 13 Sa V iaoiae iis EERE A ETENEE a aAA I E on eo Raed 13 LASA Saye AS a a N A A A EE EE E uatugs 13 LD SAT Save Project Opin isre tes ea o e E a e 13 A ON 14 1232 Helper A A AAN A 14 Ll Main Buttons Toolbar at ab 15 EILIS INC A en E 16 1 342 Open RE atu R id laa Aeron 16 E SAVE ta a gtant ot asec ath ate mi ceboec eterno a eert 16 1 4 Results Screen Drop Down Menus nidad at 17 De E E C E E ne steers aah aeuR en ae nant nate chit 17 4R O 18 14 12 Export Results to Excel Piles carta iaa 18 LAS Pint Res l nisen e ai 19 A E CHOSE E E A tess tMEte 20 14 2 SO ta ta 20 2 0 3 0 1 4 3 References
8. anagement Capability Level 1 4 Subcontractor and Supplier RMAD Management 102 1 2 1 RMAD Management N A 5 Subcontractor and Supplier System Safety 102 1 2 2 SYSTEM Management Management SAFETY N A 6 Subcontractor and Supplier Quality Assurance 102 1 2 3 DA Management Management N A Figure 1 4 1 Results Screen The Results windows offers Drop Down menus located at the top right corner of the screen as shown in Figure 1 4 1 The Drop Down menus have the following options e File e Sort e References 1 4 1 File The results File Drop Down menu has the following options e Save As e Export Results to Excel File 17 e Print Results e Close 1 4 1 1 Save As See section 1 2 4 1 4 for details 1 4 1 2 Export Results to Excel File To export results into Excel left click on File which is located in the drop down menus near the top left side of the Results screen Fig 1 4 1 In the File drop down menu select Export Results to Excel File Once selected a dialog screen will appear that will allow the User to specify the file name and location of where to save the Excel file that will contain the results Fig 1 4 1 2 1 An example of the Excel export file is shown in Figure 1 4 1 2 2 NOTE This feature utilizes Microsoft Excel and requires that it is already installed Current o directory Existing location aveina E EE files gt export 1 xi
9. cated in the drop down menus near the top left side of the Results screen Fig 1 4 1 In the File drop down menu select Close 1 4 2 Sorting The results can be sorted alphabetically in ascending order i e A to Z or descending order i e Z to A for the following sort types e Mission Assurance Process e Reference S 102 Standard e Parent SRQA Program e Program Domain To change the sort type select the desired type from the Sort drop down menu 1 43 References To access additional reference material in PDF format sorted by process and activity select References from the drop down menu then select the reference material process and activity 20 2 0 Acronyms Ao CA CIRM LLAA LOE MAP MAPP MAWG MCLP PMP PoF QA R amp M RD GT RMAD Availability Analysis Criticality Analysis Critical Item Risk Management Criticality Number Design Concern Analysis Dependability Analysis Environmental Stress Screening Event Tree Analysis Estimate to Complete Functional Diagram Modeling Failure Mode and Effects Analysis Failure Mode Effects and Criticality Analysis Failure Reporting Analysis and corrective Action Failure Review Board Fault Tree Analysis Hazard Analysis Hardware Lessons Learned Approval Authority Level of Effort Mission Assurance Program Mission Assurance Program Plan Mission Assurance Working Group Multiple Capability Level Process Parts Materials amp Proce
10. d processes 29 system safety the application of engineering management principles criteria and techniques to optimize all aspects of safety within the constraints of operational effectiveness time and cost throughout all phases of the system lifecycle Ref MIL STD 882C systems engineering An interdisciplinary approach encompassing the entire technical effort to evolve and verify an integrated and life cycle balance set of system product and process solutions that satisfy customer needs Ref MIL STD 499B Draft tailoring process by which the individual requirements tasks sections paragraphs words phrases or sentences of a standard are evaluated to determine the extent to which each requirement is most suited for a specific system acquisition and the modification of these requirements where necessary to ensure that each tailored document invokes only the minimum needs of the customer timely performance of a task subtask or effort when planning and execution results in the output being provided with sufficient time for management if need be to identify and implement cost effective action EXAMPLE An action that avoids or minimizes schedule delays and cost increases validation the act of determining that a product or process as constituted will fulfill its desired purpose verification the process of assuring that a product or process as constituted complies with the requirements specified for it
11. ely manner Subcontractor and Supplier System Safety Management 102 1 2 2 SYSTEM Management N A To define and oversee subcontractor and supplie SAFETY System Safety requirements and 2 the means E 9 controlled in a timely manner Subcontractor and Supplier Quality Assurance Management 102 1 2 3 QA Management N A To define and oversee subcontractor and supplie reaultemeae s and 2 the means by which prod 4 4 gt gt PCPro_ Output lt 5 102 1 1 1 102 1 1 2 102 1 1 3 102 1 2 1 102 1 2 2 102 1 2 3 EN rit e A r R Figure 1 4 1 2 2 Exported Result in Excel 1 4 1 3 Print Results To print the result of a current output left click on File which is located in the drop down menus near the top left side of the Results screen Fig 1 4 1 In the File drop down menu select Print Results Once selected a dialog screen will appear that will allow the User to specify the printer options Fig 1 4 1 3 1 To start printing left click the Print button af Printer Options Selected Print er Selected Printer Default Printed y r Orientation Print E Land i 3 Number m Orientation of Copies Sides Per Page Include sa Page IV Include Page Numbers lt Sides per Page Numbers St art Print Cancel Printing Figure 1 4 1 3 1 Printer Options 19 1 4 1 4 Close To close Results window and return back to the main menu left click on File which is lo
12. erly trained engineer s technical opinion that is based on an evaluation of specific data and personal experience NOTE Engineering judgments are a reality that cannot not be avoided when insufficient time data or funding are available to perform a detailed quantitative analysis See Sections 5 5 1 and 5 5 2 for more information environmental safety assurance to give appropriate consideration to potential environmental impacts prior to beginning any action that may significantly affect the environment estimation a tentative evaluation or rough order magnitude calculation failure termination of the ability of a unit to perform its required function NOTE A fault may cause a failure failure mode consequence of the mechanism through which a failure occurs or the manner by which a failure is observed fault 1 Software reliability a manifestation of an error in software 2 Hardware reliability any undesired state of a component or system 3 Components a defect or flaw in a hardware or software component 4 Human reliability procedure operational or maintenance or process manufacture or design that is improperly followed NOTE 1 An accident may cause a fault 2 A fault may cause a failure 3 A fault does not necessarily require failure Definition source IEEE 100 The Authoritative Dictionary of IEEE Standards Terms 25 hazard a condition that is prerequisite to a mishap and a contrib
13. inimum set of functions that constitute a specific type of process baseline program the minimum set of functions that constitute a specific type of program Definition source IEEE 100 The Authoritative Dictionary of IEEE Standards Terms 23 capability one or more processes or activities that describe how SR amp QA programs are used treated or developed within an organization Ref IEEE STD 1624 2008 capability based mission assurance program the set of processes that assesses and controls product deficiency risk at one or more predefined capability levels capability level measure of the ability of a mission assurance process as specified by a set of activities to address the pertinent mission assurance needs of a systems engineering process capability level growth a measurable improvement e g an increase in resources scope of effort or maturity of input data in the ability of a mission assurance process to support the mission assurance needs of a systems engineering process chaos the random occurrence of unpredictable and unrelated events control a method used to reduce the consequences likelihood or effects of a hazard or failure mode NOTE Controls include special design features procedures inspections or tests credible failure mode or hazard a failure mode or hazard with a probability of occurrence greater than 1 0E 6 0 000001 or one in a million 24 engineering judgment a prop
14. lay recommended process activities that are comensurate with the desired process capability level left click the Capability Level as shown in Figure 1 2 3 1 Item 3 The activities list will appear and display the S 102 Mission Assurance Standard activities for the selected process capability level see Figure 1 2 2 2 1 References 4f Process Capability Pro Results S 102 2 1 Functional Diagram Modeling FDM ACTIVITY REFERENCE ACTIVITY DESCRIPTION NUMBER Timely establishment of the requirements and analytical ground rules for the FDM This is a process validation activity when it includes evaluation of the appropriateness of the FDM process prior to its use Timely establishment of FDM Technical Performance Metrics TPMs Timely collection and evaluation of sufficient system design information to identify all hardware functional and physical dependencies that fall within the analytical ground rules to be specified by the contractor The scope of system design information that is collected and evaluated shall include but not be limited to the following i Indentured parts lists ii Hardware functional and physical designs at all system levels ii Wiring diagrams and iv Descriptions of mission phases operating environments and all normal degraded and system contingency modes that are applicable to each mission phase Timely development of narrative or graphical descriptions of the system hardware functions to rep
15. ocess Capability Pro software tool e Step 1 select applicable life cycle phases e Step 2 import desired Program Processes Pro file 1 e files with extension pppf 1 2 1 Step 1 Selecting Technology Development or Life Cycle Phase The Process Capability Pro software tool also allows the desired technology development or life cycle phase to be selected As shown in Figure 1 2 1 1 select the phase that you would like to process 2 Process Capability Pro File Help STEP 1 Select Technology Development Phase Technology Development Engineering and Manufacturing Development Production and Deployment Operations and Support STEP 2 Import Project File Click to Import pppf Project File Click to Import _pppf Project File 5 4 2014 1 43 PM Figure 1 2 1 1 Available Life Cycle Phases 1 2 2 Step 2 Import Program Processes Pro Project File After selecting the desired Technology Development Phase left click the Click to Import pppf Project File button which will open the Import dialog The Import feature is used to import Program Processes Pro project files i e projects with the file extension pppf Figure 1 2 2 1 shows the Import dialog box A project file can be imported by either one of three ways 1 Double click a file listed in the Available file s section of the dialog box 2 Select a file listed in the Available file s section of the dialog box then press the Open
16. resent all levels of system internal and interface hardware functional interrelationships from the lowest replaceable switchable or testable item to the system level inputs and outputs imely development and documentation of the System Functional Diagram Model Report that reflects the current state of the system design o the greatest extent practical and identifies the hardware or functional elements of the system that are not included in the functional diagrams along with rationale for each element s exclusion from the model Figure 1 2 2 2 1 Process Activities List 1 2 2 2 Display Process Purpose To display recommended process purpose left click on one of the listed Processes as shown in Figure 1 2 3 1 Item 2 The process purpose will appear see Figure 1 2 2 3 1 f Process Capability Pro Results S 102 1 2 1 Subcontractor and Supplier RMAD Management DER PROCESS PURPOSE To define and oversee subcontractor and supplier processes which are 1 implemented to achieve product and process AMAD requirements and 2 the means by which product and process deficiencies are identified and mitigated or controlled in a timely manner Figure 1 2 2 3 1 Process Purpose Window 1 2 3 Main Drop Down Menus The available program Drop Down menu is located at the top right corner of the screen as shown in Figure 1 2 3 1 The Drop Down menu has the following main options e File e Help 10 1 2 3 1 Main Drop Down Menus
17. s My Recent Documents 2 Desktop My Documents Save My Computer butoi File name Export 21 Save as type File Name Figure 1 4 1 2 1 Save Export Data To Excel Dialog 18 xH 0 0 gt 1 xisx Microsoft Excel o 0x Home Insert Pagelayout Formulas Data Review View aQos 2 roe Ju Aut A b am ear Bee m E 3 it ap Bar al a 3 Fill Paste B 7 U a E i Merge amp Center v 8 598 Conditional Format Cell Insert Delete Format Sort amp Find amp u Hara E Merge 8 fs gt Formatting as Table Styles Clear Filter Select Clipboard m Font gt Alignment A Number Style Cells Editing REFERENCE S PARENT 102 SR amp QA CONCEPT 4 MISSION ASSURANCE PROCESS STANDARD PROGRAM PROGRAM DOMAIN REFINEMENT PROCESS PURPOSE RMAD Program Planning S 102 1 1 1 RMAD Management i To define processes which are 1 implemented i 5 processes for mitigating or controlling product d System Safety Program Planning 102 1 1 2 SYSTEM Management i To define processes which are 1 implemented t 6 SAFETY define processes for mitigating or controlling pre OA Program Planning 102 1 1 3 QA Management i To define processes which are 1 implemented 7 processes for mitigating or controlling product d Subcontractor and Supplier RMAD Management 102 1 2 1 Management To define and oversee subcontractor and supplie RMAD requirements and 2 the means by whict 3 controlled in a tim
18. sses Physics of Failure Quality Assurance Reliability and Maintainability Reliability Development Growth Testing Reliability Maintainability Availability and Dependability 21 SCA SCLP SEC SPFM SR amp QA SSP SW TAAF V amp V Sneak Circuit Analysis Single Capability Level Process Standards Executive Council Single Point Failure Mode Safety Reliability amp Quality Assurance System Safety Program Software Test Analyze and Fix Verification amp Validation 22 3 0 Terms and Definitions The definitions contained in this section were taken from the AJAA S 102 0 1 Mission Assurance Program General Requirements Standard anomaly apparent problem or failure affecting a configured product process or support equipment facilities that is detected during product verification or operation NOTE Anomalies are distinguished from discrepancies product defects which do not violate project requirements which may or may not be documented in the FRACAS acquisition authority an organization Government contractor or subcontractor that levies requirements on another organization through a contract or other document approximation a value that is nearly but not exactly correct or accurate audit an independent examination of accounts and records to assess or verify compliance with specifications standards contractual agreements or other criteria Ref IEEE STD 1624 2008 baseline process the m
19. t directory eh O Projects location ES Project1 pepf a ES Existing Doce files 2 Save button Fil i ile game Project2 pcpf My Network Save as type All Files Cpepf Cancel Name Places Figure 1 2 3 1 4 1 Save project dialog box The project file extension will be pcpf NOTE If the project file already exists the User will be prompted to confirm that they wish to overwrite an existing project 1 2 3 1 5 Exit The Exit option will exit the Process Capability Pro program To initiate the Exit option go to File gt Exit 1 2 3 2 Help To get to the Help menu left click on Help which is located in the drop down menus near the top left side of the screen Fig 1 2 3 1 The Help drop down menu contains the About and User s Guide options From the Help drop down menu select About to display an information screen about the Process Capability Pro software tool Fig 1 2 3 2 1 To open a PDF version of the User s Guide for this tool select User s Guide from the Help drop down menu Also the License Agreement can be viewed by clicking the View License Agreement button 14 Process Capability Pro Process Capability Pro Version 1 0 Created by Simanima View License Agreement Copyright Copyright Simanima holds all rights to Process Capability Pro software tool This tool cannot be duplicated or distributed without the expressed written consent of Simanima Figure 1 2
20. tisfied Ref IEEE Standard 1624 2008 2 a defined set of managed processes conducing to an end under a single plan NOTE A program does not have to consist of related managed process Compare with definition of system process a sequence of tasks actions or activities including the transition criteria for progressing from one to the next that bring about a result Ref IEEE Standard 1624 2008 NOTE A process can be unmanaged or managed An unmanaged or free process does not have its inputs or outputs controlled The rain and melted snow that replenishes a lake is an example of an unmanaged process A managed or controlled process has its inputs and outputs controlled An electrical power station is an example of a managed process quality a measure of a part s ability to meet the workmanship criteria of the manufacturer NOTE Quality levels for parts used by some of the handbook methods are different from quality of the parts Quality levels are assigned based on the part source and level of screening the part goes through The concept of quality level comes from the belief that screening improves part quality reliability probability that an item will perform its intended function for a specified interval under stated conditions residual risk risk associated with significant failure modes or hazards for which there are no known control measures incomplete control measures or no plans to control the fail
21. to the Start Menu Under the All Programs listing look for a program folder titled Simanima Within the Simanima folder look for the Process Capability Pro folder Select the Process Capability Pro program contained in the Process Capability Pro program folder It is recommended that a shortcut to the program be created and placed on the Desktop if one does not already exist This can be done by right clicking the Process Capability Pro executable located in the installation location and selecting Create Shortcut 1 2 Navigating the Tool After the splash screen has disappeared which is displayed for a short time when the program is executed the main menu of the Process Capability Pro tool is displayed as shown in Figure 1 2 1 The main menu is comprised of four 4 major areas 1 Available life cycle phase lists 2 Drop down menus 3 Buttons toolbar and 4 Open Import project button 2 Drop down menus 3 Button toolbar 2 Process Capability Pro Technology Development C Engineering and Manufacturing Development Production and Deployment Operations and Support ICSTEP 2 Import Project File AA Click to Import pppf Project File cycle phase lists 4 Open Import project button 5 4 2014 1 43 PM Figure 1 2 1 Process Capability Pro Main Menu There are 2 key steps required in order to access information on Mission Assurance process activities by capability level and life cycle phase using the Pr
22. tor errors mission capability This term encompasses the purpose and functions of the space system sensors transponders etc throughout its intended system mean mission duration the expected life of the space vehicle Ref AFMAN 91 222 SUPL1 26 mitigation 1 a method that eliminates or reduces the consequences likelihood or effects of a hazard or failure mode 2 a hazard control modeling act of producing a representation or simulation of one or more items non credible failure mode or hazard a failure mode or hazard with a probability of occurrence equal to or less than 1 0E 6 0 000001 or one in a million NOTE In System Safety Engineering the qualitative probability values of an improbable hazard and a non credible hazard are equivalent plan a method for achieving an end practice one or more activities that use specified inputs to develop specified work products for achieving specified objectives Ref IEEE Standard 1624 2008 process based lesson learned important information created documented and retrieved according to a process or procedure descriptor product based lesson learned important information created documented and retrieved according to a system or device life cycle specific functional or physical descriptor 27 program 1 the managed collection of an organization s practices that is structured to ensure that the customers requirements and product needs are sa
23. ure mode or hazard 28 root cause s most fundamental reason s an event might or has occurred root cause analysis a process for identifying the fundamental cause of an event or failure safety freedom from those conditions that can cause death injury occupational illness or damage to or loss of equipment or property or damage to the environment safety critical a term applied to a condition event operation process or item of whose proper recognition control performance or tolerance is essential to safe system operation or use e g safety critical function safety critical path safety critical component specialty engineering a subgroup of the engineering processes that make up the Mission Assurance Process Note Traditionally this subgroup includes Reliability Maintainability PMP Survivability and Supportability system 1 a defined set of related processes 2 elements of a composite entity at any level of complexity of personnel procedures materials tools equipment facilities and software that are used together in an intended operational or support environment to perform a given task or achieve a specific purpose support or mission requirement NOTE A system that consists of one or more unmanaged processes is susceptible to becoming unbalanced and changing over time e g an ecological system For a system to maintain stability it must be balanced and consist only of manage
24. utor to the effects of the mishap NOTE A single point failure mode SPFM item is a hazard with respect to its potential to lead directly to loss of a safety critical or mission critical system function maturity level measure of the degree of accuracy of a data product as developed using a specified set of input data in relation to what is considered the best achievable results mishap an unplanned event or series of events resulting in death injury occupational illness or damage to or loss of equipment or property or damage to the environment mission the purpose and functions of the space system sensors transponders boosters experiments etc throughout its expected operational lifetime and controlled reentry or disposal orbit time period A space system may have multiple missions e g primary mission ancillary mission and safety mission mission assurance the program wide identification evaluation and mitigation or control of all existing and potential deficiencies that pose a threat to system safety or mission success throughout the product s useful life and post mission disposal NOTE Deficiencies include damaging threatening hazards mission impacting failures and system performance anomalies that result from unverified requirements optimistic assumptions unplanned activities ambiguous procedures undesired environmental conditions latent physical faults inappropriate corrective actions and opera
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