 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] CHUAN              ]    PASS PROGRAM NOTE        ]    58926         ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: SEPT. 1987 ]
 ] VER/282-8937       ]      RELEASE NOTE( )        ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] OI07 AND SUBS                 ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )] G2                              ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: SPEC, DISPLAY                                    ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.213                                          ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] UNIV PTG DISPLAYED ATT ANGLES INCORRECT AT YAW=270                  ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] THE CALCULATION OF THE DISPLAYED CURRENT AND REQUIRED PITCH ANGLES  ]
 ] ON THE UNIVERSAL POINTING DISPLAY IS INCORRECT FOR YAW ANGLES IN    ]
 ] THE RANGE 270 +/- 0.3 DEGREES.  THE RESULTING PITCH ANGLES ARE VERY ]
 ] NEARLY THE NEGATIVE OF THE CORRECT ANGLES.  THESE ARE DISPLAY ONLY  ]
 ] PARAMETERS.                                                         ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] THE DISPLAYED PITCH ANGLES WILL ONLY BE INCORRECT FOR YAW ANGLES    ]
 ] NEAR 270 DEGREES.  IF THE DISPLAYED CURRENT OR REQUIRED ATTITUDE    ]
 ] ANGLES ARE NEEDED IN THIS CASE, THE INDICATED PITCH UP SHOULD       ]
 ] ACTUALLY BE PITCH DOWN OF THE SAME MAGNITUDE.                       ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 7/28/88 ]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 8/1/88  ]                             ]
 ]    --------------------      ---------] JACK BOYKIN        8/17/88  ]
 ]PF MGR: DALLAS IVES       DATE 7/29/88 ]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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