 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS: B07286      ]
 ]  A. TROY           ]    BFS PROGRAM NOTE         ]                  ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:            ]
 ] RI/DNY-2442        ]      RELEASE NOTE ( )       ] 05/15/81         ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]  9.08 AND SUBS                ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]           MAJOR SOFTWARE AREA:            ] OPS MODES AFFECTED:     ]
 ]BSL( ) BSS( ) GNC(X) SEQ( ) SM/SP( ) IPL( )] 3, 6                    ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: NAV, HW                                          ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: MG038106/3.2.5.2.2                             ]
 ]_____________________________________________________________________]
 ] TITLE: BFS DEFAULT AIRDATA                                          ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ]  THE BFS AIRDATA MECHANIZATION REQUIRES AT LEAST ONE GOOD           ]
 ]  ADTA AND A DEPLOYED PROBE ASSOCIATED WITH THE GOOD ADTA.           ]
 ]  IF THESE CONDITIONS ARE NOT SATISFIED, THE BFS WILL                ]
 ]  REVERT TO USE OF NAVDAD.  THE BFS DOES NOT HAVE THE                ]
 ]  DEFAULT AIRDATA MECHANIZATION AS IMPLEMENTED IN THE                ]
 ]  PASS.                                                              ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ]  THE USER SHOULD BE AWARE THAT IN THE EVENT OF AN AIRDATA           ]
 ]  SYSTEM FAILURE THE PASS WILL GO TO THE DEFAULT AIRDATA             ]
 ]  MECHANIZATION AND THE BFS WILL TRANSITION TO NAVDAD. IN            ]
 ]  THE EVENT THIS FAULT IS EXPERIENCED THE USER WILL SEE A            ]
 ]  DIFFERENCE IN GUIDANCE COMMANDS BETWEEN THE PASS AND               ]
 ]  BFS.  IN THE CASE WHERE THE AIRDATA SYSTEM FAILS,                  ]
 ]  POST-BFS ENGAGED, AND CERTAIN WIND CONDITIONS EXIST, THE           ]
 ]  BFS CAPABILITY IS UNCERTAIN.                                       ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                   CP      ]APPROVAL:                    ]
 ]RI:<S>A. TROY             DATE 07/29/88]                             ]
 ] --------------------         ---------]                             ]
 ]SSD:SAM ANKNEY            DATE 07/28/88]                             ]
 ] --------------------         ---------] RW MOOREHEAD        7/30/88 ]
 ]PF MGR: W JACKSON         DATE  7/29/88]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
 @
