Flight Controls COPY Flashcards

1
Q

What is the maximum pitch up in normal law for all configurations?

At what nose up pitch do the flight directors disappear?

A

30 NU clean to config 3 (25 low speed)
25 NU config full (20 low speed)

Flight directors disappear at 25 NU

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2
Q

What is the maximum pitch down in normal law for all configurations?

At what pitch down do the flight directors disappear?

A

15 ND in all config

Flight directors disappear at 13 ND

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3
Q

What protections do you have in Normal law?

A
Pitch protection
Roll protection
High speed protection
Load factor protection 
AoA protection
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4
Q

What protections do you have in Alternate Law?

A

Only load factor protection.
Max RoT is 30 degrees per second

Alternate Law with protections you also have high and low speed stabilities.

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5
Q

What protections do you have in Direct Law?

A

None

Max RoT is 30 degrees per second

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6
Q

What protections do you have in Mechanical Law?

A

None

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7
Q

How are pitch and roll controlled in Normal Law?

A

Pitch = load factor

Roll = rate of roll

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8
Q

How are pitch and roll controlled in Alternate Law?

A

Pitch = load factor

Roll = direct input

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9
Q

How are pitch and roll controlled in Direct Law?

A

Pitch = direct input

Roll = direct input

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10
Q

How are pitch and roll controlled in Mechanical Law?

A

Pitch = direct input, controlled with stabiliser only

Roll = direct into, controlled by rudder only

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11
Q

What defines Abnormal Law? (pitch up and down, and bank)

A

Greater than 50 NU
Greater than 30 ND
Greater than 125 AoB

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12
Q

How is roll protected in Normal Law?

What is the max RoT?

A

33 AoB max neutral stick, anything past this must be held

Max AoB = 67
AP/FD disconnect at 45

Max RoT = 15 degrees per second

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13
Q

What is Vmo/Mmo?

Will the aircraft allow you to go beyond these speeds?

At what increment past Vmo/Mmo will the AP disconnect?

A

Vmo/Mmo = 350kts/.82M

No, the aircraft won’t allow you to go beyond Vmo/Mmo in Normal Law. Gives pitch up authority you can’t override. In other laws yes you can.

AP disconnects at Vmo + 6 and Mmo + 0.1

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14
Q

What are the Load Factor limits in all applicable laws?

(normal, alternate and abnormal)

A

+2.5g to -1g Clean

+2g. to 0g Any other config

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15
Q

What is the difference in Stall protection between Normal Law and Alternate Law (with protections)?

A

Normal law you have V alpha protection and V alpha max, as well as Alpha floor.

In Alternate Law you only have Vls and Vsw, as well as a pitch down command you CAN override

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