FLIGHT CONTROLS Flashcards
1
Q
- What is being tested when this stall test switch is pushed?
A
SMYD (Stall Management & Yaw Damper Computer)
2
Q
- When can you perform the test of the stall warning system?
A
On the ground
3
Q
- What electrical power must be available for
the stall test?
A
AC power
4
Q
- When is the stall warning system armed for
operation?
A
Inflight
5
Q
- Will the FO’s stick shaker be felt on the
Captain’s control column?
A
Yes
6
Q
- What does the amber color on the Leading
Edge Device annunciator represent?
A
LED in transit
7
Q
- What does the green color on the Leading
Edge Device annunciator represent?
A
LED in extend or full extend position
8
Q
- What color is the annunciator for an LED in
transit?
A
Amber
9
Q
- What color is the annunciator for an LED in a
proper position?
A
Green or Extinguished (retracted)
10
Q
- What is wrong if all lights on the LED are
extinguished?
A
Nothing
11
Q
- Why do leading edge flaps have just two
positions on the annunciator?
A
They are either retracted or extended
12
Q
- Why do leading edge slats have three
positions on the annunciator?
A
Retracted, Extended or Full Extended
13
Q
- When might a green light be an indication of
an abnormal condition?
A
LED jammed or in an improper or uncommanded position
14
Q
- If this panel was inoperative, where could you monitor LED’s in transit?
A
Forward Instrument Panel LE flaps in transit light
15
Q
- Is autoslat movement displayed on the LED annunciator panel?
A
Yes
16
Q
- Is autoslat movement displayed on the LE
FLAPS TRANSIT light on the Center Forward Panel?
A
No, this light is inhibited during auto slat ops
17
Q
- What happens when you press the test switch?
A
All lights on the annunciator panel illuminate
18
Q
- Do the LED annunciator lights test with the MASTER LIGHTS TEST switch on the forward panel?
A
Yes
19
Q
- At what flap setting do slats move to the
EXTEND position?
A
Flaps1, 2, & 5
20
Q
- At what flap setting do the leading edge flaps
move to FULL EXTEND?
A
Flaps 1 or greater
21
Q
- At what flap setting do slats move to the FULL
EXTEND position?
A
Flaps 10 or greater
22
Q
- How many ailerons are there?
A
Two
23
Q
- How many elevators are there?
A
Two
24
Q
- How many rudder sections are there?
A
One
25
25. How are the ailerons operated normally?
Cables connect control wheels to the hydraulic PCUs (power control units)
26
26. How are the ailerons operated with the loss of Hyd. System A or B?
No change from normal
27
27. How are the ailerons operated with loss of
| both Systems A and B?
Manually by cables
28
28. What is installed on the ailerons to aid with
| manual reversion flight?
Balance tab
29
29. How are the elevators operated normally?
Cables connect control columns to PCUs
30
30. Are the elevators interconnected?
Yes, by a torque tube
31
31. How are the elevators operated with the loss of System A or B?
No change from normal
32
32. How are the elevators operated with the loss
| of both systems A and B?
Manually by cables
33
33. What is installed on the elevators to aid with
| manual reversion flight?
Balance tabs
34
34. How is the rudder operated normally?
Cables connected to hydraulic PCUs
35
35. Are the rudder pedals interconnected?
Yes
36
36. Which hydraulic system normally powers the
| main rudder PCU?
Both A and B
37
37. Which hydraulic system normally powers the main yaw damper?
System B
38
38. How is the rudder operated with the loss of
| System A?
System B and STANDBY rudder PCU
39
39. How is the rudder operated with the loss of System B?
System A and STANDBY rudder PCU
40
40. How is the rudder operated with the loss of
| both Systems A and B?
STANDBY rudder PCU
41
41. What happens if the FLT CONTROL A switch is moved to OFF?
Flight control shutoff valve closes isolating flight controls from system A hydraulics
42
42. What happens if the FLT CONTROL A switch is moved to STBY RUD?
Activates the standby pump and opens the standby rudder shutoff valve
43
43. What happens if the FLT CONTROL B switch is moved to OFF?
Flight control shutoff valve closes isolating flight controls from the system B hydraulics
44
44. What happens if the FLT CONTROL B switch is moved to STBY RUD?
Activates the standby pump and opens the standby rudder shutoff valve
45
45. What happens if both FLT CONTROL switches are moved to OFF?
Pressure from both A and B systems is removed from the elevators, ailerons, and the rudder
46
46. What happens if both FLT CONTROL switches are moved to STBY RUD?
Standby rudder PCU is still powered, flight controls revert to manual ops, & standby yaw damper is enabled (turn switch on)
47
47. Would the operation of the primary flight controls be affected by a loss of System A or B?
No
48
48. Would the operation of the primary flight controls be affected by the loss of Systems A and B?
Yes
49
49. On the modified rudder system, what does the
| STBY RUD ON light mean?
It indicates the standby rudder system is commanded on to pressurize the standby rudder power control unit
50
50. What limits full rudder authority in flight after takeoff and before landing?
At speeds above approx 135KTS, both hyd system A and B pressure are reduced by 25% each
51
51. What is the purpose of the Force Fight Monitor (FFM)?
It detects opposing pressure (force fight) between A and B actuators in the main rudder PCU
52
52. What happens if opposing pressure is detected?
The FFM automatically turns on the standby hydraulic pump, opens the standby rudder shutoff valve, and illuminates the STBY rudder on, MC, and flight control light
53
53. How is the Captain’s control column connected to the primary flight controls?
Cables to the aileron PCUs
54
54. How is the FO’s control column connected to
| the primary controls?
Cables to the spoiler PCUs
55
55. Are the Captain’s and FO’s control wheels
| connected?
Yes–by a cable drive system
56
56. Would control forces be higher during manual
| reversion flight?
Yes–friction & air loads
57
57. What happens if an aileron or spoiler becomes
| jammed?
Aileron transfer mechanism allows operating controls to be separated from non-operating controls
58
58. How are the ailerons trimmed?
Electronically repositioning the aileron feel
| & centering unit
59
59. Where is the aileron trim indicated?
Top of the control column
60
60. Do the control wheels move when the ailerons are trimmed?
Yes
61
61. Can the aileron trim be used during manual
| reversion?
Yes
62
62. Should the aileron trim be used with an autopilot engaged? Why or why not?
No! Abrupt roll if not in trim when the A/P is disengaged
63
63. What happens if an elevator becomes jammed?
Transfer mechanism allows separation of control columns to breakout operating control column
64
64. What system is still available to assist with a jammed elevator?
Stab trim
65
65. How are the elevators trimmed?
Only by mach trim above .615 mach
66
66. How is pitch trim accomplished?
Stab trim
67
67. How many speeds does the stabilizer trim
| motor have?
Two
68
68. When do these two speeds of stabilizer trim
| motor operate?
High speed with flaps extended and low speed with flaps retracted
69
69. How is the rudder trimmed?
Electronically and hydraulically repositioning the rudder Feel & ControlUnit
70
70. When the rudder trim is used, are the rudder pedals displaced?
Yes
71
71. What is indicated by a FLT CONTROL LOW
| PRESSURE light?
Just that
72
72. Is this LOW PRESSURE light ever
| deactivated? When?
Yes, when standby rudder is on
73
73. In normal operation, would crew members be
| concerned with operating the SPOILER switches?
No
74
74. For what purpose are the SPOILER switches used?
Maintenance
75
75. How do spoilers aid with roll control of the
| airplane?
Spoilers rise on the wing with up aileron when control wheel is displaced more than 10 degrees
76
76. How many spoiler panels are used as flight spoilers?
8
77
77. From what hydraulic system do flight spoilers receive pressure?
Half from A, half from B
78
78. What purpose other than roll control are the
| spoilers used?
Speedbrakes
79
79. When is flight spoiler activation initiated?
Approx 10 degrees of control wheel displacement
80
80. Which hydraulic system normally powers the main rudder PCU?
A and B systems
81
81. Which hydraulic system normally powers the
| main yaw damper?
B system
82
82. What condition would illuminate the yaw damper light?
B flt control switch off or stby rudder,or the SMYD computer senses a system fault
83
83. If hydraulic System B fails will the yaw damper
| switch move to OFF automatically?
No
84
84. Will the yaw damper switch ever move to OFF
| automatically?
Yes (B flt control switch to Off or stby
| rudder)
85
85. Can the yaw damper switch be turned ON after a loss of System B hydraulics (only)?
No
86
86. When can the yaw damper switch be turned
| ON after an automatic disengagement?
A & B flight control switches in stby rudder
87
87. How are the Trailing Edge flaps normally operated?
Hydraulically from system B
88
88. What is the backup system for operation of
| the TE flaps if the B system fails?
Electrically through the alternate flaps position switch
89
89. What happens when you move the ALT FLAPS MASTER switch to ARM?
Activates the standby pump
Arms alt flaps position switch
Closes the trailing edge flap bypass valve
90
90. How then are the TE flaps extended?
By an electric motor
91
91. Can the TE flaps be retracted with the ALT FLAPS POS switch?
Yes
92
92. What feature normally available would not be
| available during alternate flap operation?
Asymmetry and skew protection
93
93. What happens to the LED’s when you activate
| the ALT FLAPS POS switch?
All LEDs go to full extend
94
94. Can the LED’s be retracted with this switch?
No
95
95. Does the ALT FLAPS POS switch have to be
| held down until LED’s arrive at the desired position?
No
96
96. Does the ALT FLAPS POS switch have to be
| held down until the TE flaps arrive at the desired position?
Yes
97
97. Does the ALT FLAPS POS switch have to be
| held in the up position?
No (magnetically held UP)
98
98. What is the alternate flap duty cycle time for
| flap positions 1 to 15?
5 Minutes off
99
99. What is the alternate flap duty cycle time for
| flap positions greater than 15?
25 Minutes off
100
100. What would the illumination of the FEEL
| DIFF Pressure light indicate?
Excessive pressure differential
101
101. Which hydraulic systems send signals to
| the Elevator Feel Computer?
A and B Systems
102
102. Would the illumination of the FEEL DIFF
| Pressure light mean that a hydraulic system has failed?
Possibly
103
103. Could a problem with the elevator feel pitot
| tube cause FEEL DIFF Pressure light to illuminate?
Yes
104
104. What would the Speed Trim Fail light
| mean?
System failure (both channels)
105
105. What if the Speed Trim Fail light did not illuminate until recall?
Single channel failure
106
106. If the Speed Trim Fail light illuminated
| during recall, could it be reset?
Yes
107
107. What is the purpose of the Speed Trim?
To return the airplane to a trimmed speed condition
108
108. What are some of the conditions for Speed Trim operation?
Airspeed between 100 KIAS and MACH 0.5, 10 sec after takeoff; 5 sec following release of trim switches
Autopilot not engaged
Sensing of trim requirements
109
109. What does the Speed Trim system trim?
The stabilizer
110
```
110. What is the purpose of the Elevator Feel
Shift Module (EFS)?
```
Along with the speed trim and yaw damper help identify and prevent further movement into a stall condition
111
111. How does it prevent further movement?
Increases forward control column force to
| approx four times normal feel pressure
112
112. What would the MACH TRIM FAIL light mean?
System failure (both computers)
113
113. What if the MACH TRIM FAIL light
| illuminated only during recall?
Single channel failure
114
114. If the MACH TRIM FAIL light illuminated
| during recall, could it be reset?
Yes
115
115. When is mach trim automatically
| accomplished?
Above .615 MACH
116
116. With failure of the mach trim system, what
| is your speed restriction?
280 KTS / .82 MACH
117
117. What does the Mach Trim system trim?
The elevators
118
118. What is the purpose of the Mach Trim
| System?
Provides speed stability at higher MACH numbers (by preventing mach tuck)
119
119. What would the illumination of the AUTO SLAT FAIL light mean?
System failure (both computers)
120
120. What if the AUTO SLAT FAIL light illuminated only during recall?
Single SMYD channel failure
121
121. If the AUTO SLAT FAIL light illuminated only on recall, would it extinguish when recall was reset?
Yes
122
122. If the AUTO SLAT FAIL light were ON,
| would autoslats work?
No
123
123. If the AUTO SLAT FAIL light were ON,
| would autoslats work with PTU power?
No
124
124. What does the SPEED BRAKE DO NOT
| ARM light mean?
Abnormal condition or test inputs to automatic speed brake system
125
125. What does the SPEED BRAKE ARMED light mean?
A valid automatic speed brake system input
126
126. When is the STAB OUT OF TRIM light armed?
(A / Pops) Auto-pilot engaged
127
127. What does the STAB OUT OF TRIM light
| mean?
Auto-pilot is not trimming stabilizer properly (may be on momentarily with large power or configuration changes)
128
128. What does the YAW DAMPER indicator display?
Yaw damper movement of the rudder
129
129. Does the YAW DAMPER indicator display
| rudder pedal input?
No
130
130. What can be determined from the Trailing
| Edge (TE) Flap indicator?
Flap position, Asymmetry or skew condition
131
131. What electrical power is needed for the flap position indicator?
28V AC (transferbus #2)
132
132. How would you be able to determine an
| asymmetry condition?
A split needle of the TE Flap indicator
133
133. What does the illumination of the LE
| FLAPS TRANSIT light indicate?
```
Any LED in transit
Any LED not in programmed position
Slat skew or asymmetry (inboard 3 only)
During alternate flap extension until
reaching TE flaps 10
```
134
134. Does the LE FLAPS TRANSIT light work during autoslat extension?
No HIGHER POWER AVIATION
135
135. What causes the LE FLAPS EXT light to illuminate?
All LED’s extended (full ext with flaps 10 thru40 )
136
136. What other indicator can you use to determine position of the LED’s?
LED annunciator panel
137
137. What is indicated by the illumination of the
| SPEED BRAKES EXT light?
In flight: beyond armed and TE flaps >10, or RA < 800ft RA
138
138. Does the SPEED BRAKE LEVER have to be armed to get spoilers on an RTO?
No
139
139. Why doesn’t the SPEED BRAKE LEVER
| have to be armed during an RTO to get spoilers?
During an RTO, auto speed brake system works when: Wheel Spin–up (60knots), reverse thrust is selected
140
140. Does the SPEED BRAKE LEVER have to be armed to get spoilers on landing?
Yes
141
141. When does the SPEEDBRAKE system
| operate on landing?
Armed (light on); both throttles to idle; flight spoilers deploy: Wheel spin – up (60 knots); ground spoilers deploy: right main gear strut compresses RA < 10 ft (if wheel spin-up is not sensed, flight spoilers deploy on any gear compression, right main gets the ground spoilers)
142
142. In flight, what is controlled by the speed brake lever?
Flight spoilers symmetrically
143
143. What are the cautions concerning the use
| of the speedbrake lever in flight?
Caution should be exercised in a turn since it greatly Increase roll rate
Moving the Speed Brake lever past the flight detent causes buffeting and is prohibited in flight
144
144. What is the significance of the green band on the Stabilizer Trim Scale?
Allowable range for takeoff
145
145. Why are gates on the Flap Lever
| positioned at the 1 and 15 degree settings?
Go-around flap settings
146
146. What do you have to do to get past the
| gates on the Flap Lever?
Push the handle down as you move it
147
147. What are normal landing flap settings?
Flaps 30 and flaps 40
148
148. When the flap handle is at 5 degrees, where are the LED’s?
Leading edge flaps: full extend
| Leading edge slats: extend
149
149. When the flap handle is at 15 degrees,
| where are the LED’s?
Leading edge flaps: full extend
| Leading edge slats: full extend
150
150. Does the flap handle move during autoslat operation
No
151
151. Does the flap handle move during flap
| blowup operation?
No
152
152. Should the flap lever be moved during
| alternate flap operation?
Yes, as called for in the checklist
153
153. What does the takeoff configuration
| system monitor?
```
Parking Brake (if it is set)
Trim (takeoff range)
SpeedBrake (handle down detent)
Spoilers (All boards down)
Flaps (takeoff configuration)
LE devices (not in takeoff configuration)
```
154
154. Can you cancel the takeoff configuration warning?
No
155
155. When will you get a configuration
| warning?
On the ground and either or both thrust levers are advanced for takeoff
156
156. What is the purpose of the Stab Trim Cutout switches?
Disconnect stab trim during a runaway
157
157. Which of the Stab Trim Cutout switches
| will cause disengagement of the A/P if engaged?
Stab trim A/P cutout
158
158. How is aileron trim accomplished?
Electrically through aileron F&C Unit
159
159. Do the ailerons move when they are
| trimmed?
Yes
160
160. Can the autopilot trim the ailerons?
No
161
161. Can you trim the ailerons with the autopilot
| engaged?
Yes, but you should NOT
162
162. Where is aileron trim indicated?
Top of yoke
163
163. How is the rudder trim accomplished?
Through the rudder feel & centering unit
164
164. Do the rudder pedals move when the rudder is trimmed?
Yes
165
165. Can the autopilot trim the rudder?
No
166
166. Does the rudder have trim tabs?
No
167
167. Where is rudder trim indicated?
Aft pedestal indicator
168
168. Can the rudder be trimmed with a loss of hydraulics?
No
169
169. What is the purpose of the Stab Trim
| Override switch?
Bypasses the control column actuated stab trim cutout switches (under floor) to restore power to the stabilizer trim switches
170
170. Is the Stab Trim Override switch electrical or mechanical?
Electrical
