 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] T. TALBERT         ]    PASS PROGRAM NOTE        ]    45749         ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: SEPT. 1987 ]
 ] ENG/282-8453       ]      RELEASE NOTE( )        ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 19 AND SUBS               ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )] G3                              ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  SPEC                                            ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.211                                          ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] PRPLT ITEM VALIDITY RESTRICTIONS                                    ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] IN OPS 301 AND 302:                                                 ]
 ]                                                                     ]
 ] WHEN LOAD IS NOT FLASHING - EITHER BECAUSE TARGETING HAS COMPLETED  ]
 ] OR BECAUSE OMS BURN IS IN PROGRESS OR HAS COMPLETED - PRPLT ITEM    ]
 ] WILL BE REJECTED UNLESS TWO THINGS ARE TRUE:                        ]
 ] A. PRPLT = 0 AND                                                    ]
 ] B. CURRENT GUIDANCE MODE IS PEG 4                                   ]
 ]                                                                     ]
 ] THE INTENT IS TO ALLOW THE CREW TO STOP FUEL WASTING DURING PEG 4   ]
 ] DEORB OMS BURN BY ENTERING PRPLT = 0 EITHER BEFORE OR DURING THE    ]
 ] OMS BURN.                                                           ]
 ]                                                                     ]
 ] THE RESTRICTION ON GUIDANCE MODE HAVING TO BE PEG 4 IS TO PREVENT   ]
 ] CREW FROM ENTERING PRPLT DURING A PEG 7 OMS BURN (FOR WHICH PRPLT IS]
 ] MEANINGLESS) AND BLANKING THE PEG 7 TARGET ITEMS (EXT DELTA V).     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ] IN GENERAL, DO NOT ENTER PRPLT AS THE FIRST TARGET ITEM WHEN A NEW  ]
 ] TARGET IS BEING SET UP. WAIT UNTIL LOAD IS FLASHING BEFORE          ]
 ] ENTERING PRPLT.                                                     ]
 ]                                                                     ]
 ] IF PRPLT IS REJECTED, ENTER OTHER TARGET ITEMS: TIG, C1, C2, HT,    ]
 ] ETC., WHICH CAUSE LOAD TO FLASH AND THEN RE-ENTER PRPLT.            ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 07/28/88]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 08/02/88]                             ]
 ]    --------------------      ---------] JACK G BOYKIN      08/17/88 ]
 ]PF MGR: DALLAS IVES       DATE 07/29/88]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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