AS 411 QUESTIONS AND ANSWERS
N1 and EGT - Answers -These are the primary engine indications.
Center, Upper, Lower, Inboard - Answers -Engine indications are displayed on the
______________ forward panel ______________ display unit (DU), ______________
DU or the Captain's or First Officer's ______________ DU.
Center; Upper - Answers -The primary engine indications are normally displayed on the
______________forward panel ______________ DU
Lower - Answers -If the center panel upper DU unit fails, the display automatically
moves to the ______________ DU.
DU's - Answers -. The primary engine indications can also be manually selected to be
displayed on other...
N2, fuel flow, oil pressure, oil temperature, oil quantity, and engine vibration - Answers -
Secondary Engine Indications
Fuel Flow; DU - Answers -The secondary engine indications, except for
______________, are manually selected to be displayed on any ______________.
Fuel Flow - Answers -This secondary engine indication is displayed full time on the
upper display unit below the primary engine indications.
Secondary Engine Indications - Answers -When the displays initially receive power this
will automatically display the ______________.
Secondary Engine Indications - Answers -When in flight and an engine start lever is
moved to CUTOFF this will automatically display the ______________.
Secondary Engine Indications - Answers -When in flight and an engine N2 RPM is
below idle this will automatically display the ______________.
Secondary Engine Indications - Answers -When a secondary engine parameter is
exceeded this will automatically display the ______________.
Condition is no longer present - Answers -When the secondary engine indications are
automatically displayed, they cannot be cleared until the...
EEC - Answers -Each engine has a full authority digital ______________.
EEC - Answers -Each ______________ has two independent control channels, with
automatic channel transfer if the operating channel fails.
,Alternates - Answers -With each engine start or start attempt, the EEC
______________ between control channels.
EEC - Answers -Uses thrust lever inputs to automatically control forward and reverse
thrust.
N1; Normal; Alternate - Answers -______________ is used by the EEC to set thrust in
two control modes: ______________ and ______________.
EEC Switches - Answers -Manual selection of the control mode can be made with the
______________ on engine panel.
Normal; Conditions; Demand - Answers -In the ______________ mode, the EEC uses
sensed flight ______________ and bleed air ______________ to calculate N1 thrust
ratings.
EEC - Answers -Compares commanded N1 to actual N1 and adjusts fuel flow to
achieve the commanded N1.
Forward Stop - Answers -The full rated takeoff thrust for the installed engine is
available at a thrust lever position less than the...
Less - Answers -Fixed or assumed temperature derated takeoff thrust ratings are set at
thrust lever positions ______________ than full rated takeoff
Maximum - Answers -The ______________ rated thrust is available at the forward
stop.
EEC - Answers -Limits the maximum thrust according to the aircraft model.
EEC; Soft; Hard - Answers -______________ can operate in either of two alternate
modes, ______________ or ______________.
EEC; Soft; Alternate - Answers -If required signals are not available to operate in the
normal mode, the ______________ automatically changes to the ______________
mode.
EEC Soft Alternate Mode - Answers -When this occurs, the ALTN switch illuminates
and the ON indication remains visible.
Soft Alternate Mode; EEC - Answers -In the ______________, the ______________
uses the last valid flight conditions to define engine parameters which allows the mode
change to occur with no immediate change in engine thrust.
, Soft Alternate Mode; Hard Alternate Mode; EEC Switch - Answers -The
______________ remains until the ______________ is entered by either retarding the
thrust lever to idle or manually selecting ALTN with the ______________ on the aft
overhead panel.
DEU; EEC's - Answers -Loss of either ______________ results in a loss of signal to
both ______________.
Hard Alternate Mode; EEC - Answers -When the ______________ is entered, the
______________ reverts to the alternate mode thrust schedule.
Hard Alternate Mode - Answers -______________ thrust is always equal to or greater
than normal mode thrust for the same lever position.
Hard Alternate Mode; Soft Alternate Mode - Answers -If the ______________ is
entered by reducing the thrust lever to idle while in the ______________, the ALTN
switch remains illuminated and the ON indication remains visible.
EEC - Answers -Provides N1 and N2 redline overspeed protection in both normal and
alternate modes.
EGT; EEC; Redline - Answers -The ______________ limit must be observed by the
crew because the ______________ does not provide EGT ______________
exceedance protection.
EEC - Answers -The ______________ automatically selects ground minimum idle,
flight minimum idle, and approach idle
Ground - Answers -______________ minimum idle is selected for ground operations
Flight - Answers -______________ minimum idle is selected for most phases of flight.
Approach; Landing; Anti-ice - Answers -______________ idle is selected in flight if
flaps are in ______________ configuration or engine ______________ is ON for either
engine.
Higher; Go-Around - Answers -At the same airspeed and altitude, N1 and N2% RPM
will be ______________ for approach idle than for flight minimum idle. This higher%
RPM improves engine acceleration time in the event of a ______________.
Approach - Answers -______________ idle is maintained until after touchdown, when
ground minimum idle is selected.
EEC; Signals; 15,000 - Answers -In flight, if a fault prevents the ______________ from
receiving flap or anti-ice ______________, approach idle schedule begins below
______________ feet MSL
N1 and EGT - Answers -These are the primary engine indications.
Center, Upper, Lower, Inboard - Answers -Engine indications are displayed on the
______________ forward panel ______________ display unit (DU), ______________
DU or the Captain's or First Officer's ______________ DU.
Center; Upper - Answers -The primary engine indications are normally displayed on the
______________forward panel ______________ DU
Lower - Answers -If the center panel upper DU unit fails, the display automatically
moves to the ______________ DU.
DU's - Answers -. The primary engine indications can also be manually selected to be
displayed on other...
N2, fuel flow, oil pressure, oil temperature, oil quantity, and engine vibration - Answers -
Secondary Engine Indications
Fuel Flow; DU - Answers -The secondary engine indications, except for
______________, are manually selected to be displayed on any ______________.
Fuel Flow - Answers -This secondary engine indication is displayed full time on the
upper display unit below the primary engine indications.
Secondary Engine Indications - Answers -When the displays initially receive power this
will automatically display the ______________.
Secondary Engine Indications - Answers -When in flight and an engine start lever is
moved to CUTOFF this will automatically display the ______________.
Secondary Engine Indications - Answers -When in flight and an engine N2 RPM is
below idle this will automatically display the ______________.
Secondary Engine Indications - Answers -When a secondary engine parameter is
exceeded this will automatically display the ______________.
Condition is no longer present - Answers -When the secondary engine indications are
automatically displayed, they cannot be cleared until the...
EEC - Answers -Each engine has a full authority digital ______________.
EEC - Answers -Each ______________ has two independent control channels, with
automatic channel transfer if the operating channel fails.
,Alternates - Answers -With each engine start or start attempt, the EEC
______________ between control channels.
EEC - Answers -Uses thrust lever inputs to automatically control forward and reverse
thrust.
N1; Normal; Alternate - Answers -______________ is used by the EEC to set thrust in
two control modes: ______________ and ______________.
EEC Switches - Answers -Manual selection of the control mode can be made with the
______________ on engine panel.
Normal; Conditions; Demand - Answers -In the ______________ mode, the EEC uses
sensed flight ______________ and bleed air ______________ to calculate N1 thrust
ratings.
EEC - Answers -Compares commanded N1 to actual N1 and adjusts fuel flow to
achieve the commanded N1.
Forward Stop - Answers -The full rated takeoff thrust for the installed engine is
available at a thrust lever position less than the...
Less - Answers -Fixed or assumed temperature derated takeoff thrust ratings are set at
thrust lever positions ______________ than full rated takeoff
Maximum - Answers -The ______________ rated thrust is available at the forward
stop.
EEC - Answers -Limits the maximum thrust according to the aircraft model.
EEC; Soft; Hard - Answers -______________ can operate in either of two alternate
modes, ______________ or ______________.
EEC; Soft; Alternate - Answers -If required signals are not available to operate in the
normal mode, the ______________ automatically changes to the ______________
mode.
EEC Soft Alternate Mode - Answers -When this occurs, the ALTN switch illuminates
and the ON indication remains visible.
Soft Alternate Mode; EEC - Answers -In the ______________, the ______________
uses the last valid flight conditions to define engine parameters which allows the mode
change to occur with no immediate change in engine thrust.
, Soft Alternate Mode; Hard Alternate Mode; EEC Switch - Answers -The
______________ remains until the ______________ is entered by either retarding the
thrust lever to idle or manually selecting ALTN with the ______________ on the aft
overhead panel.
DEU; EEC's - Answers -Loss of either ______________ results in a loss of signal to
both ______________.
Hard Alternate Mode; EEC - Answers -When the ______________ is entered, the
______________ reverts to the alternate mode thrust schedule.
Hard Alternate Mode - Answers -______________ thrust is always equal to or greater
than normal mode thrust for the same lever position.
Hard Alternate Mode; Soft Alternate Mode - Answers -If the ______________ is
entered by reducing the thrust lever to idle while in the ______________, the ALTN
switch remains illuminated and the ON indication remains visible.
EEC - Answers -Provides N1 and N2 redline overspeed protection in both normal and
alternate modes.
EGT; EEC; Redline - Answers -The ______________ limit must be observed by the
crew because the ______________ does not provide EGT ______________
exceedance protection.
EEC - Answers -The ______________ automatically selects ground minimum idle,
flight minimum idle, and approach idle
Ground - Answers -______________ minimum idle is selected for ground operations
Flight - Answers -______________ minimum idle is selected for most phases of flight.
Approach; Landing; Anti-ice - Answers -______________ idle is selected in flight if
flaps are in ______________ configuration or engine ______________ is ON for either
engine.
Higher; Go-Around - Answers -At the same airspeed and altitude, N1 and N2% RPM
will be ______________ for approach idle than for flight minimum idle. This higher%
RPM improves engine acceleration time in the event of a ______________.
Approach - Answers -______________ idle is maintained until after touchdown, when
ground minimum idle is selected.
EEC; Signals; 15,000 - Answers -In flight, if a fault prevents the ______________ from
receiving flap or anti-ice ______________, approach idle schedule begins below
______________ feet MSL
