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  AUTHOR:                                          DR:              
  SCOTT DAHLKE          PASS REQUIREMENT WAIVER          105359     
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  ORG/PHONE:          WAIVER ONLY ( )              DATE:            
  LORAL/282-8532      WAIVER/OPS NOTE (X)                02/14/94   
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  OI/FLIGHT EFFECTIVITY:          USER AFFECTED:                     
  OI-21 THRU OI-24                CREW (X)  GROUND (X)  DUMP ONLY ( )
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         MAJOR SOFTWARE AREA:        OPS MODES AFFECTED:             
 SSW ( )  GNC (X)  VU ( )  SM/PL (X) G3                              
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  SOFTWARE SUB-AREA: COMMFAULTS DISP ENTRY GNC IMU NAV OPS TRANSITIONS
                     GNC/SM PAYLOADS                                  
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  PRINCIPAL FUNCTIONS: 4.72, 4.127, 4.23, 6.35                        
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  TITLE:  ENTRY NAV INIT ANOMALY                                      
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  REQUIREMENT TO BE WAIVED:                                           
                                                                      
  FSSR 10, SECTION 4.2.1.2.1                                          
                                                                      
  DURING OPS 2 OR OPS 8...  DURING ALL OTHER OPS, IF THE NAVIGATION   
  SELECTION FILTER CONTROL VECTOR INDICATES THAT NO IMU IS            
  AVAILABLE TO THE NAVIGATION SELECTION FILTER, SET THE NAVIGATION    
  SELECTION FILTER CONTROL VECTOR (IMU_SFC) EQUAL TO ITS PREVIOUS     
  VALUE AND CONTINUE SELECTION FILTER PROCESSING AT THE               
  APPROPRIATE LEVEL AS DESCRIBED BELOW.                               
                                                                      
  FSSR 10, SECTION 4.2.1.2.1.4                                        
                                                                      
  DURING OPS 2 OR OPS 8...  DURING ALL OTHER OPS, IF THE NAVIGATION   
  SELECTION FILTER CONTROL VECTOR INDICATES THAT NO IMU IS            
  AVAILABLE TO THE NAVIGATION SELECTION FILTER, SET THE NAVIGATION    
  SELECTION FILTER CONTROL VECTOR (IMU_SFC) EQUAL TO ITS PREVIOUS     
  VALUE AND CONTINUE SELECTION FILTER PROCESSING AT THE               
  APPROPRIATE LEVEL.                                                  
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 REQUIREMENTS DOC:                    PARAGRAPH AND/OR SECTION NO:   
  FSSR STS 83-0010                     SECTION 4.2.1.2.1             
                                       SECTION 4.2.1.2.1.4           
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 ALTERNATE REQUIREMENT BEING MET, IF APPLICABLE:                      
  ON THE FIRST PASS OF OPS 3, THE FSW USES A VALUE OF '000' FOR       
  IMU_SFC INSTEAD OF THE PREVIOUS OPS 2 VALUE IF THE NAVIGATION       
  SELECTION FILTER CONTROL VECTOR INDICATES THAT NO IMU IS            
  AVAILABLE.                                                          
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 CONCURRENCE:                           APPROVAL:                    
 LORAL:   HUGH STOVALL     DATE 03/22/94                             
       ------------------      ---------                             
 FDSD:   W. R. PRUETT      DATE 03//22/94                             
      -------------------      --------- DARRELL E. STAMPER 03/22/94 
 PF MGR: M. N. MONTEZ      DATE 03/22/94------------------- -------- 
         MICHAEL P. DEMASIE     03/22/94 CHAIRMAN, SASCB      DATE   
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