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APPENDIX A ACRONYMS AND DEFINITIONS Acronyn~s: AFSIG ALT APU ASAP BFS CB CCB CCP CDR CFA Cl CIL CIRA CR DCR DER DES DR ERB EIFA EMF ET FAA FACI FAP FMEA FMEA/CIL FRR GEE GPC GSE HA HPU HQ HR IBM IHA T} TC IV&V ,ISC KSC Ascent Flight Systems Integration Group Approach and Lancling Test Auxiliary Power Unit (in the Orbiter) Aerospace Safety Advisory Pane! Backup Flight System Contro! Boarct (generic) Configuration Contro! Board Configuration Contro! Panel Critical Design Review Critical Functions Assessment Configuration Inspection Critical Items List Critical Item Risk Assessment Change Request Design Certification Review Designated Engineering Representative (for the FAA) Data Exchange System Discrepancy Report Engineering Review Board Element Interface Functional Analysis EIectromotive force External Tank Federal Aviation Administration First Article Configuration Inspection Failure Analysis Program Failure Modes anct Effects Analysis Failure Modes and Effects Analysis, ancl Critical Items List Flight Readiness Review Government Furnished Equipment General Purpose Computer (on the Orbiter) Ground Support Equipment Hazard Analysis Hydraulic Power Unit (in the SRB) Headquarters (of NASA) Hazarcl Report International Business Machines Integrated Hazard Analysis Inertial Upper Stage Inclependent Valiciation an(l Verification Johnson Space Center Kennedy Space Center 83

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LCC Launch Commit Criteria LLS Launch ant! Landing Site ERU Line Replaceable Unit LOV Loss of Vehicle MET Mission Evaluation Team MEG Manufacturing MICB Mission Integration Control Board MOD Mission Operations Directorate (at ~SC) MPTA Main Propulsion Test Article MSA Mission Safety Assessment MSFC Marshall Space Flight Center MVGVT Mated Vehicle Ground Vibration Test NASA National Aeronautics ant] Space Administration NDE Non-Destructive Evaluation NHB NASA Handbook NMI NASA Management Instruction NED NASA Policy Directive NRC National Research Council NSIS NASA Safety Information System NSTS National Space Transportation System OASCB Orbiter Avionics Software Control Boarc! OMT Operations and Maintenance Instructions OMRS Operations and Maintenance Requirements ant! Specifications OMRSD Operations ant! Maintenance Requirements and Specifications Document PASS Primary Avionics Software System PCASS Program Compliance Assurance Status System - PDR Preliminary Design Review PR Problem Report PRA Probabilistic Risk Assessment PRACA Problem Reporting and Corrective Action (system) PRCB Program Requirements Control Boarc] QA Quality Assurance QRA Quantitative Risk Assessment QRM Quantitative Risk Mode! RID Review Item Discrepancy (report) RISD Rockwell International, Space Division RMPP Risk Management Program Plan SAIL Shuttle Avionics Integration Laboratory SASCB Shuttle Avionics Software Control Boars! SASR Shuttle Avionics Systems Review SCA Shuttle Carrier Aircraft SCAP Shuttle Configuration Analysis Program SCRHAAC Shuttle Criticality Review and Hazarcl Analysis Audit Committee SHIMS Shuttle Hazard Information Management System STAP System Integrity Assurance Program SIMR Systems Integration Management Review SIR Systems Integration Review (boarcI) SR&QA Safety, Reliability, and Quality Assurance 84

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SRB SRM SRM&QA SSE SSM SSME SSUS STS UCR USAF VLS Definitions: Certification Solic] Rocket Booster Solic! Rocket Motor (of the SRB) Safety, Reliability, Maintainability, ant! Quality Assurance Systems Safety Engineering Subsystem Manager Space Shuttle Main Engine Space Shuttle Upper Stage `_ r ~ ~ apace ransportat~on System Unsatisfactory Condition Report United States Air Force Vandenberg Launch Site consists of qualification tests, major ground tests, ant! other tests and/or analyses required to determine that the design of hardware from component through subsystem level meets requirements; a part of verification. Qualification is used in terms of qualification tests (see certification), to establish that an item meets requirements. Validation the confirmation of some state or condition determined earlier. ~ r r 6 the process of planning ant] implementing a program that determines that Shuttle systems meet all design, performance, and safety requirements. The verification process (for both hardware and software) includes all clevelopment, certification and acceptance testing, flight demonstration, appropriate pre-flight checkout, post-flight activities, and analyses necessary to support verification. 85

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