747 Lower Engine Indicating &
Crew Alerting System ( EICAS )
by jerome meriweather
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Outward to CDU
Down to Throttle
To View a Control's Description, MouseOver it and ...
Click to "Show" - MouseDown to "Drag" - DoubleClick to "Hide"
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747 Photo and/or Graphic Element
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N2 Indicator/Display
Indicates actual N2. Displays white while in the normal operating range. Changes to red on reaching maximum limit.
Maximum N2 Limit
Indicates the maximum allowable N2.
Fuel-On Indicator
Indicates the minimum N
2 rpm at which the FUEL CONTROL switch may be moved to RUN during
Engine Start.
Fuel Flow Display
Displays Fuel Flow to the engine (lbs/hr x 1000).
Oil Pressure Indicator/Display
Indicators Oil Pressure in digital and vertical scale format.
- White - Normal range.
- Red - Operating limit.
Oil Temperature Indicator/Display
Indicators Oil Temperature after the
EEC is powered.
- White - Normal range.
- Amber - Caution range.
- Red - Warning range.
Oil Quantity Display
Displays usable Oil Quantity in U.S. quarts
- White - Normal range.
- Megenta - Warning range.
Vibration Source
Indicates the Vibration Source displayed. Displays source with the highest Vibration:
- N1 - Rotor Vibration.
- N2 - Rotor Vibration.
- BB - Broadband Vibration; displayed if a fault is detected and system is unable to distinguish
between N1 and N2 Vibration.