 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] R. MCALLISTER      ]    PASS PROGRAM NOTE        ]    37693         ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: SEPT. 1987 ]
 ] ENG/282-8428       ]      RELEASE NOTE( )        ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 19 AND SUBS               ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )]  G6, G3                         ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  NAV, RM                                         ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.77                                           ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ]        POTENTIAL REPETITIVE TACAN SELF-TEST                         ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] WHEN ONLY TWO (2) TACANS ARE IN USE BY RM, AND ONE OF THE TWO       ]
 ] EXPERIENCES A FAILURE WHICH RESULTS IN AN UNRESOLVED SELF-TEST      ]
 ] (A CONTINUING DILEMMA), THE SELF-TEST WILL BE REPEATED IN           ]
 ] APPROXIMATELY 8 SECONDS IF BOTH OF THE FOLLOWING CONDITIONS ARE     ]
 ] TRUE:                                                               ]
 ]                                                                     ]
 ] - THE DILEMMA PERSISTS.                                             ]
 ]                                                                     ]
 ] - THE NUMBER OF TACANS IN USE BY RM CHANGES FROM TWO TO ANY OTHER   ]
 ]   NUMBER (3, 1, OR 0) AND, SUBSEQUENTLY RETURNS TO TWO.             ]
 ]                                                                     ]
 ] UPON RETURNING TO TWO, ANOTHER SELF-TEST WILL BE INITIATED WHEN     ]
 ] APPROPRIATE FAIL COUNTERS RECOUNT THE FAILURE.                      ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] AFTER FIRST SELF-TEST CYCLE IS COMPLETE, AND DILEMMA IS UNRESOLVED, ]
 ] ALL THREE TACANS SHALL BE MODED TO TRANSMIT/RECEIVE FOR REMAINDER   ]
 ] OF FLIGHT.  RESOLUTION OF DILEMMA IS DEPENDANT ON CREW/GROUND       ]
 ] ACTIONS.                                                            ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 9/07/88 ]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 9/14/88 ]                             ]
 ]    --------------------      ---------] JACK G BOYKIN       9/20/88 ]
 ]PF MGR: MOISES MONTEZ     DATE 7/29/88 ]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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