 +_____________________________________________________________________
  AUTHOR:                                          DR:              
   H. THOMPSON          PASS REQUIREMENT WAIVER           101072    
 ____________________                             __________________
  ORG/PHONE:          WAIVER ONLY ( )              DATE : 07/26/89  
  SSOAS/282-7225      WAIVER/OPS NOTE (X)          REV A: 07/11/96  
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  OI/FLIGHT EFFECTIVITY:          USER AFFECTED:                     
   OI-25 AND SUBS                 CREW (X)  GROUND ( )  DUMP ONLY ( )
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         MAJOR SOFTWARE AREA         OPS MODES AFFECTED:             
  SSW (X) GNC (X)  VU ( )  SM/PL ( )  G1, G3, G6                     
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  SOFTWARE SUB-AREA:   TRANSITIONS                                    
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  PRINCIPAL FUNCTIONS: N/A                                            
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  TITLE:                                                              
         NO PROTECTION AGAINST INADVERTENT MAJOR MODE TRANSITIONS     
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  REQUIREMENT TO BE WAIVED:                                           
                                                                      
  IMPLICIT REQUIREMENT :                                              
                                                                      
      A MODE TRANSITION SHALL COMPLETE ITS INITIALIZATION PHASE       
      BEFORE A SUBSEQUENT MODE TRANSITION IS ALLOWED.                 
                                                                      
                                                                      
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 REQUIREMENTS DOC:                    PAGE AND PARAGRAPH NO:         
   CPDS SS-P-0002-170                    N/A                         
                                                                     
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 ALTERNATE REQUIREMENT BEING MET, IF APPLICABLE:                      
                                                                      
  LEVEL A CPDS SS-P-0002-170J  5.3.3.4.1.B                            
     "AUTOMATIC SEQUENCING OF OPS/MODES IS HANDLED ENTIRELY BY THE    
      APPLICATIONS CONTROL SEGMENT AND REQUIRES NO CONTROL SUPPORT    
      FROM USER INTERFACE."                                           
                                                                      
  LEVEL A CPDS SS-P-0002-170J  5.3.3.4.1 (NOTE)                       
  "CONCURRENT AUTOMATIC AND MANUAL OPS OR MODE TRANSITIONS SHOULD BE  
   PROCEDURALLY AVOIDED SINCE THEY MAY RESULT IN UNDESIRED BUS        
   RECONFIGURATION (OPS MODE RECALL) OR PREMATURE EXECUTION OF MODE-  
   CLEANUP IN THE NEW MODE (ADVERSE RESULTS DEPENDENT ON CONTROL      
   SEGMENT LOGIC)."                                                   
                                                                      
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 CONCURRENCE:                           APPROVAL:                    
 SSOAS:  HUGH D. STOVALL   DATE 07/18/96                             
       ------------------      ---------                             
 ASD:   W. R. PRUETT       DATE 07/23/96                             
     --------------------      --------- DARRELL E. STAMPER 07/25/96 
 PF MGR: KAYLENE F. KINDT  DATE 07/18/96------------------- -------- 
        -----------------      --------- CHAIRMAN, SASCB      DATE   
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