Term
| Describe the elevator feel system |
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Definition
Provides artificial feel at control columns
Force increases as airspeed increases |
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Term
| How is elevator feel effected with a loss of HYD 2 and 3? |
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Definition
Mechanical springs provide feel force
Feel force is no longer a function of airspeed |
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Term
| What can you do if you lose elevator control due to a jam? |
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Definition
| When significant manual force is applied to the control column, shear outs between the inboard and outboard elevators allow elevator control to be regained |
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Term
| Which elevator panels are displayed on the position indicator? Which move with control column inputs? |
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Definition
Indicator: left and right outboard
Control column: left and right inboard |
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Term
| How is stabilizer trim greenband calculated? |
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Definition
| CG, gross weight and takeoff thrust inputs entered into the FMC |
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Term
| How does the aircraft provide a crosscheck to ensure the correct greenband has been selected? |
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Definition
| A nose gear oleo pressure switch position is compared to the selected greenband |
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Term
| What happens when control wheel trim is used with an autopilot engaged? All 3 autopilots? |
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Definition
Single - autopilot disengages and stabilizer trim moves
Multiple - control wheel trim switches are inhibited |
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Term
| What happens when alternate trim switches are used with any number of autopilots engaged? |
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Definition
Alternate trim switches override autopilot trim
Autopilot does not disengage |
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Term
| Describe the function of the alternate trim switches |
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Definition
| They provide trim commands through a separate electric channel |
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Term
| Describe the function of the Stabilizer Trim Cutout switches, AUTO position |
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Definition
| Automatic cutout of respective hydraulic system if uncontrolled stab trim is detected |
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Term
| Describe the function of the Stabilizer Trim Cutout Switches, ON position |
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Definition
Automatic cutout is overridden
STAB TRIM UNSCHD caution msg will still display |
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Term
| What occurs when a Stabilizer Trim CUTOUT switch is in CUTOUT? |
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Definition
Shuts off related hydraulic power to stabilizer trim
Stab trim is at half the normal rate |
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Term
| Which spoilers provide roll control? |
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Definition
| 5 outboard panels on each wing |
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Term
| Which spoilers function as speedbrakes in flight? How much travel? |
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Definition
4 inboard panels on each wing
- 2 inboard spoilers extend to mid‐travel
- 2 middle spoilers extend to full travel |
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Term
| Which spoilers function as ground spoilers? |
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Definition
| All 6 spoiler panels on each wing |
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Term
| Which spoilers are displayed on the EICAS status display? |
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Definition
#4 and #12
Speedbrake position on left wing only |
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Term
| When do the spoilers extend during landing, if the speedbrake lever is ARMED? |
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Definition
Thrust levers 1 and 3 near closed
Main landing gear on ground |
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Term
| When do the spoilers extend during landing if the speedbrake lever is NOT Armed? |
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Definition
Thrust levers 1 and 3 near closed
Reverse thrust levers 2 or 4 in idle
Main landing gear on ground |
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Term
| What action provides automatic spoiler function during an RTO? |
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Definition
Thrust levers 1 and 3 near closed
Reverse thrust levers 2 or 4 in idle
Main landing gear on ground |
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Term
| For go-around protection, what action drives the speedbrake lever to the DN position? |
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Definition
| Thrust lever 1 or 3 advanced from the closed position, regardless of whether ground spoilers were automatically or mechanically selected |
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Term
| SPEEDBRAKE EXT caution msg |
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Definition
RA between 800' and 15'
Flaps in landing configuration
2 or more thrust levers fwd of closed position |
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Term
| How does the aileron lockout system work? Why? |
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Definition
Locks the outboard ailerons in a neutral position at high airspeeds
Prevents over‐controlling at high airspeeds
Provides the required roll authority at low airspeeds |
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Term
| What would happen if you use aileron trim with the autopilot engaged? |
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Definition
The aileron neutral point is repositioned
When the autopilot is disengaged, the wheel and ailerons move to the repositioned aileron neutral point
The airplane responds with roll proportional to the amount of aileron trim input |
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Term
| How do the rudder ratio changers work? |
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Definition
| Reduce rudder response to pedal inputs as airspeed increases |
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Term
| What happens if a Rudder Ratio failure occurs? |
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Definition
| Rudder response remains the same as when the failure occurred regardless of airspeed |
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Term
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Definition
Yam Damper fault
During IRS alignment
All 3 IRSs are inop |
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