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15 Cards in this Set
- Front
- Back
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The navigation light system consists of
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Dual lamps in each wingtip, a single white lamp in the tail cone, and a single wite lamp in the vertical stabilizer
Lamps are supplied through a 115v 28v tranformer from AC bus 1 |
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The EMER LTS switch is selected to ARM, the emergency lights automatically activate if
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Power is lost on either AC essential bus
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The EMER LTS OFF caution EICAS message indicates
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The emergency lighting batteries are low
The EMER LTS switch is selected to OFF |
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The emergency lighting system has automatically activated. Turning off the emergency lights requires the EMER LTS switch be selected
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To ARM while the AC essential bus is powered
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Exterior lights operated by the emergency lighting system includes
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One light forward of the passenger door
One light aft of the emergency exit Two lights forward of the emergency exit |
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The landing lights are supplied
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28 VAC via a transformer from the respective main 115 VAC bus
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The recognition/taxi lights
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Illuminate automatically when the respective LANDING LTS switch is selected on
Independently illuminate when the RECOG TAXI LTS switch is selected on |
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The logo lights are located
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in the upper side of each engine pylon
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If the BEACON switch is on, then
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Both beacon lights flash red at all times
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If only the BATT MASTER switch is selected on
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The APU, ELECTRIC, and EICAS panels illuminate full bright
The standby airspeed, altimeter and attitude indicater illuminate full bright |
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When conducting the light check with the LAMP TEST switch
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The respective channel of the lamp driver unit is tested--All lamps in all switchlights should illuminate along with the corresponding LEDs on the flight control panel
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The stair lights in the passenger door are controlled by the
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BOARD switch in the MISC LTS group or the BOARD LTS switch adjacent to the door or the button on the forward side of the airstair
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If both PASS SIGNS switches are selected to AUTO
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The SEAT BELTS sign illuminates when the flaps are extended
Both signs illuminate when cabin altitude increases to 10,000ft or higher, or whtn the gear is extended |
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The service lights are supplied from the
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Main battery bus
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The service light in the right pylon illuminates
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The access door on the potable water panel or the lavatory waste panel is opened
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