Factors Affecting Aircraft Performance Flashcards

1
Q

Jet transporters have high residual thrust that pilots must apply brakes while taxiing.

A

T

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2
Q

What do long taxi routes mean for brakes?

A

They’re hot

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3
Q

Try and reduce take-off delays and don’t ask them to expedite taxi

A

T

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4
Q

Are hot brakes efficient?

A

No

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5
Q

What can hot brakes lead to?

A

Reduces effectiveness and can cause tyre bursting

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6
Q

Which high are jet engines more efficient at, high or low?

A

High

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7
Q

What is the top of descent?

A

When the FMS will have told the pilot the optimum point for the commencement of descent

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8
Q

What are the two economical complaints?

A

1) given long routing at low level

2) ATC applies poor speed control when they are in landing configuration (fuel consumption high)

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9
Q

What are ecological problems?

A

Noise, pollutants serious consequences of low long high drag approach to landing.

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10
Q

If the aircraft suffers from hydronic problems will it be easy or harder to fly?

A

Harder

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11
Q

If the flaps aren’t used for the approach will the aircraft come in at a faster or slower approach speed?

A

Faster

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12
Q

List some factors thy affect take-off performance? (9 in total)

A
- take off mass 
(Load+A/C weight) 
- Power
-Elevation of airfield 
- Runway (length/slope/ camber)
- Air Temperature 
-Wind (Strength and Direction) 
-Noise abatement n ATC
-Company Instructions
- Servicability
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13
Q

List some factors that affect performance during the climb(6 in total)

A
1 Mass 
(Load and A/C weight)
2 Speed
3 Wind (strength and direction)
4 Cabin Pressurisation 
5 Air temperature 
6 Air Density
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14
Q

What factors effect performance during cruise?(5 factors)

A

1) Mass
2) Cruising Speed
3) Wind
(Strength n Speed)
4)Cabin Pressurisation
5) Level

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15
Q

What factors effect and aircraft landing?

9 factors

A

1) Landing Mass
2) AD Elevation
3) Runway
4) Air temperature
5) Wind
6) ATC
7) Company Instructions
8) Pilot preferences
9) Aircraft Configuration

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16
Q

What are the economic consequences of routing?

A

Extra distance costs time and money

17
Q

What are the economic consequences of flight level?

A

Higher level allow better fuel economy

18
Q

What are the economic consequences of Speed?

A

Close to Mcrit as possible to allow efficiency, on approach, slow speeds need engine power and flaps. High speeds burn fuel but reduce time.

19
Q

What are the economic consequences of rates of climb/descent?

A

High climb rates burn a lot of fuel.slow descent rates need engine power and flap.

20
Q

What are the economic consequences of holding?

A

All of the above

Fuel, time, drag, track.