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PPL > Performance And Planning > Flashcards

Performance And Planning Flashcards

Ds

1
Q

What are the factors affecting performances?!

A 
Aircraft mass
Air density
Wind/stenght direction
Flap settings
Runway conditions
Others sources of degraded performances
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2
Q

What are the components of air density

A

ATH : Altitude, temperature and humidity

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3
Q

What is ICAO

A

International Civil aviation organisation

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4
Q

What is ISA

A

ICAO standars atmosphere (10000ft)

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5
Q

QFE

A

Quick fix engineering ( reglage altimetre pression au sol sur l’aerodrome)

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6
Q

How to calculate altitude density?

A

DENSITY ALTITUDE = PRESSURE ALTITUDE +/- (ISA deviation X 120 ft)

pressure alt = 1013,25-QFE sachant que 30ft=1hpa
ISA deviation = Actual temp - ISA temp at aerodrome altitude pressure
ISA temp at sea lvl = 15 °C
2° temp decrease every 1000 feet increase

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7
Q

What is the take off safety speed?

A

The take-off safety speed is = (≥1,2 Vs)

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8
Q

What is the take off distance?

A

Take off run + initial climb (50ft climb)

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9
Q

What is Vref?

A

Vref is equal to 1,3 Vso ( stalling speed in landing config)

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10
Q

What is VAC?

A

Visual approach card

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11
Q

What is LDA

A

Landing distance available

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12
Q

What is TORA

A

Take off run available (excluding any stop way)

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13
Q

What is stop way?

A

An extension to the runway used to bring an aircraft to a stop (emergency for a rejected take off)

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14
Q

What is ASDA

A

TORA + Stop way = acceleration stop distance available

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15
Q

What is clearway

A

Area beyond the end of the runway. It can includes the stopway

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16
Q

What is TODA?

A

TORA + clearway

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17
Q

Conditions required for landing and take off?

A

TORR (take off runway required=minimal runway required)
TODR (take off distance required=TORR + 50ft)
LDR (Landing distance required)

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18
Q

What are the available conditions in aerodrome?

A

We can found the available conditions on the VAC ( TORA, TODA and LDA)

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19
Q

What are the safety factors when calculating TODR and LDR?

A

For take off performances : 1.33 factor

For landing performances : 1,43 factor

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20
Q

What is POH?

A

Pilot operating handbook

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21
Q

What are the different speed values of an aircraft?

A

Vx and Vy
Vx = best angle of climb (airspeed)
Vy = best rate of climb
Normal climb speed is the compromise beetwen both
Speed values depend of the aircraft and can be found in the POH

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22
Q

What are the factors affecting the rate of climb and the angle?

A 
Speed
Aircraft mass
Aircraft configuration
air density
wind
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23
Q

What specific fuel consumption ( SFC )

A

fuel flow per unit of power per unit of time

24
Q

What is the range?

A

maximum distance an aircraft can fly for a given quantity of fuel consumed

25
Q

What is best lift/drag ratio?

A

It the speed for the best glid perfomance

26
Q

What is best lift/drag ratio?

A

It the speed for the best glid perfomance

27
Q

what are the Factors affecting glide angle?

A

Flaps
speed
headwind
mass

28
Q

What are the effects of overloading an aircraft?

A 
Increase structural loads
Reduced acceleration
Increased Take off and landing speeds and distances
Reduced flight performances
Maneuverabilty reduced
Increased stalling speed
Tyres and brakes excessive deterioration
29
Q

What is MTOM

A

Maximum permissible total aircraft mass ( indicated in the POH)

30
Q

What is MLM?

A

Maximum landing mass

31
Q

What is Datum line?

A

Datum : leading edge of wing (bord d’attaque de l’aile)

It’s an imaginary line defined by aircraft designer to set the limit of the center gravity

32
Q

What is the formula of the moment?

A

Mass * Arm

33
Q

What is the formula of the total aircraft center of gravity?

A

Sum of moment / sum of mass

34
Q

What are the different things a pilot should have before a flight?

A 
Meteorogical briefing
VAC (visual approach chart)
AIP ( aeronautical information publication)
Temporary modification
RTVA (reseau de très basse altitude)
Fuel management
35
Q

What should the pilot check for meteorogical conditions/forecast before departure?

A

TEMSI (low level significant weather chart)
RADAR
WINTEM (wind and temperature chart)
TAF ( terminal aerodrome Forecasts) during a period of 9 to 30h
METAR (meteorological aerodrome report) Submit every 30 min
CAVOK (Cloud, ceiling and visibilty are OK)
SIGMET (SIGnificant METeorological Information)

36
Q

What are the 4 criterias to met in order for CAVOK to appear in the METAR?

A
  • Visibility = 10 kilometers or more
  • No clouds below 5 000 feet AAL
  • no cumulonimbus
  • no significant weather
37
Q

What information is providing by the VAC ( approaching chart )

A

Frequencies
Runway nature, orientation, declared distances …
Traffic pattern : altitudes, orientation…
Procedures and instructions
Aerodrome special activities
Navigation and lighting aids

All thoses informations are available on SIA (aeronautical informations services)

38
Q

What is AIP

A

Aeronautical Information Publication (different beetwen each countries )
Updated every 28 days divided in 3 parts :
-generalities
-en route
-aerodrome

39
Q

What could be temporary notifications

A

NOTAM
SUP AIP

To alert people on potential danger

40
Q

What is RTBA

A

reseau très basse altitude
CORRIDORS OF MILITARY FLIGHT TRAINING AT HIGH SPEED! Prohibited transit
Available on SIA

41
Q

What are fuel management rules required for the pilot?

A

Alternate aerodrome

Mandatory reserves

42
Q

What is the night VFR fuel mandatory reserve?

A

45 min

43
Q

What is the cross country mandatory fuel reserve?

A

30 min

44
Q

What is the national mandatory fuel reserve?

A

10 min

45
Q

What is the angle of attack

A

Angle between the chord line and the relative airflow

46
Q

Lift equation?

A

L = 1/2 p V^2 CL S

47
Q

When spin occurs?

A

when stalling and yawing

48
Q

What is the angle of incidence?

A

It’s the angle beetwen the wing root chord line and the longitudinal axis of the aircraft.

49
Q

What is the optimum angle of attack for a modern wing?

A

4°

50
Q

What is the opposite of thrust? (la poussée)

A

Drag

51
Q

How to calculate the load factor?

A

Lift/weight

52
Q

If the aircraft is yawing to the right, the left wing has higher or lower velocity?

A

Higher

53
Q

How can we reverery a stall?

A

Decreasing the angle of attack

54
Q

What are the effects of Torque reactions?

A

Yawing and rolling to the left during take off and in flight

55
Q

What is the result of a slipstream effect?

A

Yaw to the left

56
Q

What is the cause of an asymetric thrust

A

Engine failure on a multi engine aircraft

PPL (2 decks)

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