01 Introduction To Performance Flashcards Preview

Aircraft Performance > 01 Introduction To Performance > Flashcards

Flashcards in 01 Introduction To Performance Deck (18)
Loading flashcards...
1
Q

What is the criteria for an AC to be a Class A AC?

A
  • All multi-engine jet engine AC
  • Multi-engine turbo prop with
  • 10+ PAX seats and/or
  • MTOW more than 5700kg
2
Q

What is the criteria for an AC to be a Class B AC?

A
  • All prop AC with
  • 9 or less PAX seats and
  • MTOW less than 5700kg
3
Q

Comparatively, how do Class A and Class B AC compare with regards to Air Worthiness regulations and Operating regulations?

A
  • Class A have the most stringent Air Worthiness regulations and therefore have less stringent Operating regulations.
  • Class B have the least stringent Air Worthiness regulations and therefore have the most stringent Operating regulations.
4
Q

What is the purpose of planned performance?

A

To determine the maximum AC weight at different stages of flight to ensure predetermined level of safety

5
Q

What is Measured Performance?

A
  • Average performance
  • Pre-production AC
  • Skilled test pilots
  • Across a range of configurations
  • All engines and, if applicable, one engine out
6
Q

What is the Gross Performance?

A
  • Average performance of a Fleet of AC
  • Well maintained and flown by average pilots
  • How the AC will perform on an average day
  • Worse than Measured Performance
7
Q

What is Net Performance?

A
  • Gross performance with an added safety factor
  • Less than Gross performance
  • Used to determine the safety related performance limiting masses
8
Q

When are safety factors required regarding a specific event/incident/accident?

A

Safety factors are required when the probability of an event/incident/accident is greater than 1 in 1 million

9
Q

What is the definition of remote probability?

A

When a passenger buys a ticket for a flight the safety margin must be less than 1 in 1 million

10
Q

What factors will increase the required safety factor for an event?

A
  • If the probability of it happening increases

- The range of the acceptable performance achieved is wider

11
Q

Comparing (i.e. Larger or smaller) Net vs Gross for:

  • Landing distances
  • Climb gradients
  • Descent gradients
A
  • Net landing distance > Gross landing distance
  • Net climb gradient < Gross climb gradient
  • Net descent gradient > Gross descent gradient
12
Q

Name the parts of an Aerodrome

A
  • TORA: Take Off Run Available. Where an AC can begin its take off run to where the surface can no longer bear the weight of the AC under normal circumstances
  • Stopway: Obstacle-free area as wide as the runway which can be used for an aborted take-off
  • Clearway: Rectangular area at end of runway. Clear of any non-frangible obstacles greater than 0.9m. Extends from centre line by 75m. Has an upslope of 1.25%
  • TODA: Take Off Distance Available. Lesser of TORA + Clearway or TORA * 1.5
  • ASDA: Accelerated Stop Distance Available. TORA + Stopway
13
Q

Within a PCN what is the margin allowed for:

  • Rigid
  • Flexible
A
  • Rigid: 5%

- Flexible: 10%

14
Q

What are the 4 phases of flight where most fatal accidents occur?

A
  • Final Approach
  • Landing
  • Take Off
  • Initial Climb
15
Q

What is the definition of a Balanced Field?

A

Where the TODA = ASDA

16
Q

What does it mean if an AC ACN number includes an R?

A

It is only certified to land on Rigid runways

17
Q

What speeds are used for a Turbo Prop, Jet or Prop?

A

Prop speeds

18
Q

What is the approximate value of Vmd relative to the stall speed for:

  • Jet: clean
  • Jet: flaps
  • Prop: clean
  • Prop: flaps
A
  • Jet, clean: 1.6 Vs
  • Jet, flap: 1.4 Vs
  • Prop, clean: 1.3 Vs
  • Prop, flap: 1.2 Vs