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Command Study > Performance > Flashcards

Performance Flashcards

1
Q

What does TAKE OFF PERFORMANCE CALCULATION always consider?

A

Engine failure at most critical speed for RTO and EFATO

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2
Q

What are the required climb gradients?

A

Second Segment: 2.4%
Final Segment 1.25
Gross

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3
Q

Some SIDS require an ALL ENGINE CLIMB GRADIENT, this will be annotated on charts when?

A

When it exceeds 3.3% (2.5+0.8)

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4
Q

When does obstacle clearance start on takeoff?

A

Begins art 35feet above the end of the takeoff distance

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5
Q

By how many feet must the NET TAKE OFF PATH clear obstacles?

A

35ft

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6
Q

Is wind considered on EOSID?

A

NO, the crew needs to think about this

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7
Q

When do you not have to follow the EOSID?

A

Once MSA is reached or in VMC the flight crew can determine all obstacles are cleared

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8
Q

What is the standard acceleration altitude?

A

800ft AAL

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9
Q

When is an engine considered secure?

A

Master OFF
Or
If damaged Fire PB and Agent 1 discharged or the second agent if the fire switch remains illuminated

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10
Q

What is the STD EO SID?

A

Climb on RWY track
Maintain V2 until clean - if the engine fails at a higher speed than V2 maintain but do not exceed v2+20kts
After engine secure and above acceleration alt, push to lvl accelerate and retract flaps
At green dot speed and above 1500ft aal turn to holding point

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11
Q

What speed must be flown when below acceleration altitude and single engine?

A

V2 and take off flaps

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12
Q

You get an engine failure in the initial climb, what do you do?

A

Join EOSID

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13
Q

The engine fails whilst on the SID, what do you do?

A

Turn towards to EO Holding point

Above 1500ft a radius of 30nm is surveyed for limiting obstacles ensuring clearance for EO in the Sid.

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14
Q

Optimal config for take off says config 3, what do you do?

A

Try config 2

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15
Q

Are thrust reverse taken as credit for take off perf?

A

NO

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16
Q

When is a runway determined to be wet?

A

Less than 3mm of water and visibly damp

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17
Q

What is the maximum allowable reduction in thrust allowed for FLEX t/o?

A

25%

18
Q

When is FLEX prohibited?

A

Contaminated runway
Dispatch with L/G Extended

19
Q

Runway is determined to be SLIPPERY WHEN WET, what do you select as the runway condition for takeoff?

A

SLIPPERY WET

20
Q

What is the max crosswind limit for a runway notified to be SLIPPERY WET?

A

25kts

21
Q

When is a runway contaminated?

A

More than 3mm on more than 25% of one third of the runway

22
Q

How do you determine the RCR for take off?

A

Use the operational tab in DOCUNET to get the runway condition determinato table for takeoff

23
Q

For takeoff there is a RWYCC downgrade, what do you select on the EFB?

A

Check OMB part 4!

24
Q

You see there is a RWYCC upgrade, what do you do for TAKEOFF?

A

Nothing, ignore it

25
Q

What is the depth limit for contaminated runway?

A

13mm standing water
30mm wet snow
100mm dry snow

26
Q

When can you not dispatch from a narrow runway?

A

NWS inop
One or more brakes inop

27
Q

Can you Autoland on a narrow runway?

A

No

28
Q

What is the normal missed approach gradient?

A

2.5%

29
Q

What external conditions effect go-around gradient?

A

OAT
QNH
ALTITUDE

30
Q

What is the default go-around gradient computed height?

A

1500ft

31
Q

What do you do if the required go-around gradient cannot be achieved OEI?

A

Select higher minimum
Or
Select config 3
Or
Consider alternative MAP

32
Q

MAX braking is required after running a LDG DISTANCE CALCULATION, what is the procedure to follow?

A

MEDIUM USED FOR LANDING
Rev MAX at TD
Override AutoBrake and apply max manual braking at NW TD

33
Q

Are reversers credited for dispatch landing perf?

A

Only for contaminated RWYS

34
Q

You want to use IDLE rev for landing, what do you select on LDG PERF in-flight?

A

No reverse
On a wet runway - No Rev, RWYCC 3, AutoBrake as Req

35
Q

You will be landing on a contaminated runway, what is the reverser policy

A

Max on landing
Select YES on LDG PERF

36
Q

From where is the ALD calculated from?

A

50ft above runway

37
Q

Why do we use dispatch landing calculations?

A

To assess RLDW

38
Q

What can you do to improve DISPATCH LDG PERF?

A

Turn MAN A/THR OFF, it improves the MLW perf

39
Q

What is required if your destination dispatch perf cannot be satisfied?

A

Two alternates required

40
Q

You receive 3 different RWYCC, what do you use?

A

THE LOWEST

Command Study (9 decks)

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