 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS: B07285      ]
 ] A. TROY            ]    BFS PROGRAM NOTE         ]                  ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:            ]
 ] RI/DNY - 2442      ]      RELEASE NOTE ( )       ]  05/22/81        ]
 ]____________________]_____________________________]__________________]
 ] 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: DISPLAY, AVVI                                    ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: MG038101/3.5.2.2.3.1                           ]
 ]_____________________________________________________________________]
 ] TITLE: BFS ALTITUDE DISPLAY, AVVI                                   ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ]  THE DISPLAY OF ALTITUDE ON THE AVVI CAN BE CREW SELECTED           ]
 ]  TO BE EITHER ALT_WHEEL (NAVIGATION ESTIMATE OF ALTITUDE)           ]
 ]  OR HPC (AIRDATA ESTIMATE OF ALTITUDE).                             ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ]  IT IS SUGGESTED THAT IF THE BFS IS ENGAGED THE USER                ]
 ]  (1) SELECTS AIRDATA FOR DISPLAY OF ALTITUDE BELOW                  ]
 ]  10,000 FEET AND (2) USES THE RADAR ALTIMETER AS A                  ]
 ]  REFERENCE WHEN ALTITUDE IS BELOW 5,000 FEET.                       ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                   CP      ]APPROVAL:                    ]
 ]RI:<S>A. TROY             DATE 07/29/88]                             ]
 ] --------------------         ---------]                             ]
 ]SSD:  SAM ANKNEY          DATE 08/10/88]                             ]
 ] --------------------         ---------]  JACK G. BOYKIN    08/17/88 ]
 ]PF MGR: ARTHUR HIEMER     DATE 07/29/88]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
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