 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ]   J. W. MAGLEY     ]    PASS PROGRAM NOTE        ]      104640      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:            ]
 ]   IBM / 282-8939   ]      RELEASE NOTE( )        ]      01/09/91    ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]     OI21 AND SUBS             ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )]            G3                   ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  ABORT, SEQ                                      ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS:  4.192                                         ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ]    OMS ENGINE NEEDED TO START MM304 RCS-ASSISTED OMS PROP DUMP      ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ]   IT IS NECESSARY TO HAVE AT LEAST ONE OMS ENGINE FIRING IN MM304   ]
 ]   BEFORE ADDITIONAL DUMPING OF OMS PROPELLANT THROUGH THE RCS JETS  ]
 ]   WILL BEGIN.  IF BOTH OMS ENGINES ARE TURNED OFF AFTER RCS         ]
 ]   ASSISTANCE BEGINS, THE DUMP THROUGH THE RCS JETS WILL CONTINUE,   ]
 ]   BUT THE OMS TTG ON THE OVERRIDE DISPLAY WILL STOP DECREMENTING.   ]
 ]   AUTOMATIC TERMINATION OF THE OMS DUMP BASED ON TIME WILL NOT      ]
 ]   OCCUR, BUT THE DUMP WILL STILL TERMINATE BASED ON CREW INHIBIT OR ]
 ]   AUTOMATIC TERMINATION AT THE NORMAL ACCELERATION (NZ) LIMITS.     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ]   IF AN RCS-ONLY DUMP OF OMS PROPELLANT IS DESIRED IN MM304, IT IS  ]
 ]   NECESSARY TO HAVE AT LEAST ONE OMS ENGINE ON FOR AT LEAST TWO     ]
 ]   SECONDS AT THE BEGINNING OF THE DUMP IN ORDER TO BEGIN THE RCS    ]
 ]   ASSISTANCE.  ONCE INITIATED, THE RCS ASSISTANCE WILL CONTINUE     ]
 ]   AFTER THE OMS ENGINES ARE SWITCHED TO OFF.  TERMINATION OF THIS   ]
 ]   DUMP WILL REQUIRE EITHER CREW MONITORING AND MANUAL TERMINATION   ]
 ]   (VIA ITEM 8 ON SPEC 51) OR EXCEEDING THE NZ LIMITS.               ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: PATTI A. THORNTON    DATE 02/12/91]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD:   W. R. PRUETT      DATE 02/12/91]                             ]
 ]     -------------------      ---------] DARRELL E. STAMPER 01/14/92 ]
 ]PF MGR:   K. O. TODD      DATE 04/23/91]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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