-23-01 Non-stabilized Magnetic Compass (Units -0001 thru -0500) (Continued) -00B B 1 0 May be inoperative provided: | Any combination of two gyro, | AHRS or INS-stabilized compass | systems are operative, | Aircraft is operated with dual | independent navigation capability, | and | Aircraft is operated under positive | radar control by ATC on enroute | portion of flight. | -00C B 1 0 May be inoperative provided any | combination of three gyro, AHRS or | compass systems are | operative. | -01 Internal Lighting C 1 0 May be inoperative provided flight crew | determines adequate natural or artificial | lighting exists to read compass. | -24-01 Mechanical Slip / Skid B 2 1 May be inoperative on pilot not flying | Indicator side. | (PFD bezel) | (Units -0001 thru -0500) | -25-02 Display Unit C 1 0 May be inoperative provided: | (Center - DU3) Affected display unit is installed in | (Units -0001 thru -0500) center position, and | (Amber CHECK DU 3 EICAS DSPLY is selected L or R, | message) as desired. | -25-03 Flight Director System C 2 1 One may be inoperative provided flight | (Units -0001 thru -0500) director reverts or is selected to operative | (Cyan FGC A or B FAIL or channel. | Amber FD FAIL message) |
-23-01 Non-stabilized Magnetic Compass (Units -0001 thru -0500) (Continued) -00B B 1 0 May be inoperative provided: Any combination of two gyro, AHRS or INS-stabilized compass systems are operative, Aircraft is operated with dual independent navigation capability, and Aircraft is operated under positive radar control by ATC on enroute portion of flight. | | | | | | | | | | -00C B 1 0 May be inoperative provided any combination of three gyro, AHRS or compass systems are operative. | | | | -01 Internal Lighting C 1 0 May be inoperative provided flight crew determines adequate natural or artificial lighting exists to read compass. | | | -24-01 Mechanical Slip / Skid Indicator (PFD bezel) (Units -0001 thru -0500) B 2 1 May be inoperative on pilot not flying side. | | | | -25-02 Display Unit (Center - DU3) (Units -0001 thru -0500) (Amber CHECK DU 3 message) C 1 0 May be inoperative provided: Affected display unit is installed in center position, and EICAS DSPLY is selected L or R, as desired. | | | | | -25-03 Flight Director System (Units -0001 thru -0500) (Cyan FGC A or B FAIL or Amber FD FAIL message) C 2 1 One may be inoperative provided flight director reverts or is selected to operative channel. | | | |
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