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M7 > 7.17 > Flashcards

7.17 Flashcards

1
Q

Who prescribes the marshalling signals used by a marshaller for a pilot to follow ?

A

ICAO - Annex 2

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2
Q

When must illuminated wands be used to marshal an aircraft ?

A

At night or in low visibility

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3
Q

What controls aircraft turning while taxing ?

A

Tiller

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4
Q

What is the max steering angle that an aircraft’s nose wheel can turn ?

A

+/- 70 degrees
( if nose wheel isn’t available the aircraft can be turned by the LH and RH wheel brakes )

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5
Q

Which direction does an aircraft equipped with a tricycle generally Be towed in ?

A

Forwards

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6
Q

How can the wheels on a tow bar be raised when attached to aircraft and tug ?

A

Hydraulic pump.

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7
Q

What does a towbarless tug use to lift the aircraft’s nose ?

A

Hydraulic actuators

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8
Q

When would you use bridle (cable) towing ?

A

Where the aircraft is positioned is very boggy or uneven.

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9
Q

Where should you attach a bridle cable to tow aircraft out of bog ?

A

Main landing gear

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10
Q

What’s the procedure when towing an aircraft out of bog using bridle cables when it has no tow attach points on the main gear ?

A

Cable passed around legs and then attach to separate tugs on main landing gear. Steering arm attached to nose gear.

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11
Q

How fast should a tug speed be if towing an aircraft in an enclosed space such as a hangar or in between buildings ?

A

Walking pace.

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12
Q

Does the plane or the tugs brakes stop the aircraft when towing ?

A

Planes

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13
Q

What must the steering scissors be set to when towing an aircraft with steerable nose wheels.

A

Full swivel then reset after.

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14
Q

How far should the locking collar be on a jack when operating from the top of the jack ?

A

1 inch

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15
Q

When would you use an axle jack ?

A

To lift one of the landing gears for wheel changes or gear maintenance

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16
Q

What chapter in the AMM covers aircraft jacking ?

A

Chapter 7

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17
Q

What do light aircraft have at the end of the empennage ?

A

Tie down ring.

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18
Q

Are personnel allowed inside of aircraft during jacking procedures ?

A

No

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19
Q

Why can shoring ( trestling ) be necessary on an aircraft while jacking ?

A

To relieve loads on structure.

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20
Q

If an aircraft comes fitted with a spirit level, What position should the bubble be moved to show that the aircraft is level ?

A

D4 position

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21
Q

What’s the term in aviation which means aircraft servicing ?

A

Mooring.
( found in chapter 10 )

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22
Q

How much slack should be provided on the rope when tying down light aircraft in case they get wet and shrink ?

A

25mm

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23
Q

What chapter in the AMM holds information about aircraft parking and storage ?

A

Chapter 10

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24
Q

To protect the APU when an aircraft is in storage, what is placed in the exhaust ducts to prevent moisture and insects ingressing

A

Sensors and probes.
( protective caps )

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25
Q

What must happen to the fuel levels in the tank of an aircraft when in storage to prevent microbiological corrosion ?

A

They must be full

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26
Q

What happens to the seats of an aircraft to prevent the UV light from damaging them when an aircraft is in storage ?

A

Covered over

27
Q

When an aircraft is In storage how often should it be visually inspected ?

A

7 and 15 day intervals.
( tyre pressure should be checked for periods longer than 20 months. )

28
Q

What aircraft systems may require functional tests when stored ?

A

Nose steering
Braking systems
Engines and APU
Air conditioning systems

29
Q

What can happen if you use adhesive tape on an aircraft which is in storage ?

A

Paint can discolour or transfer.

30
Q

What does the oil in the APU or engines be replaced with to prevent corrosion ?

A

Corrosion inhibitors.

31
Q

What can replace or be mixed with the fuel to prevent corrosion from forming ?

A

Inhibitors

32
Q

What the two categories for aviation fuel ?

A

Aviation gas
Turbine fuels

33
Q

How is aviation gas graded ?

A

It’s octane number.

34
Q

What’s the grade of red, green and blue aviation gas ?

A

Red - 80
Green - 100
Blue - 100LL ( low leaded )

35
Q

What’s the 3 types of turbine fuels and their freeze points ?

A

Jet A - 40 degrees
Jet A-1 - 47 degrees
Jet B - 50 degrees
( all turbine fuels are colourless )

36
Q

What’s the two types of fuelling methods ?

A

Gravity
Pressure

37
Q

What’s the re-fuelling pressure ?

A

50psi
( 1000 gallons per minute )

38
Q

What’s the de-fuelling pressure ?

A

11 psi

39
Q

Can drained fuel be reused ?

A

No but if there is a concession in a company’s procedure then they can on there own aircraft.

40
Q

What can possibly happen when de fuelling ?

A

Aircraft’s CG is moved and could cause tail to tip or over stress the wings.

41
Q

What must the aircraft and fuel truck be before re - fuelling ?

A

Grounded

42
Q

How much should the safety zone around fuel tank ( NACA ) extend by when refuelling ?

A

3m

43
Q

How far should no smoking signs be placed from refuel zones ?

A

15m

44
Q

When an aircraft is in a Cold-soak configuration, what temp dos it have to be bellow ?

A

0 degrees

45
Q

What temp does the airframe have to range in indorder for airframe icing to form ?

A

0 - minus 10 degrees
( if temp is below -20 then the moisture is already frozen in the atmosphere meaning is less likely to accumulate on aircraft surfaces )

46
Q

Whats de - icing ?

A

Procedure to remove ice
( de-icing fluids are heated )

47
Q

Whats anti - icing ?

A

Procedure to protect surfaces from ice forming for a limited amount of time. ( holdover time )

48
Q

Whats the two methods when de-icing and anti-icing ?

A

One step method - mix de-icing and anti-icing fluids and apply to aircraft a one.
Two step method - de-ice aircraft the immediately follow with anti-ice fluids.

49
Q

Whats the 4 types of de-icing and anti-icing fluids ?

A

Type 1 - used for de-icing
Type 2 - used for anti-icing
Type 3 - used for low aircraft
Type 4 - same as type 2 but have a higher holdover time.
( water can be added to extend holdover times )

50
Q

How long do you have after de-icing an aircraft to apply anti-ice before de-icing fluids begin to freeze ?

A

3 minutes

51
Q

When does the holdover time start on a one-step de-icing process ?

A

From the start of the application

52
Q

When does the holdover time start On a two-step de-icing and anti-icing process ?

A

Start of the anti-icing application.

53
Q

What must an anti-fluid code include ?

A

Type of fluid,
Percentage of fluid to water,
Time application began

54
Q

Whats the DC supply for an aircraft ?

A

28vdc

55
Q

How many pins does a DC GPU have ?

A

3 pins
1 positive pin
2 negative pin
3 earth pin

56
Q

What’s the AC supply for an aircraft ?

A

155 Vac

57
Q

Does a battery powered GPU have a AC or DC power supply ?

A

DC ( batteries )
( can last for 10-12 aircraft Turn arounds )

58
Q

How much volts does a utility GPU supply ?

A

110-220 vac

59
Q

When would you use a hydraulic ground supply ?

A

Where the aircraft isn’t In a position to run the APU or engines and you need hydraulic pressure to perform maintenance.
( driven through diesel engine )

60
Q

What is a pneumatic ground air unit used for ?

A

To provide small amounts of pressure which can start engines and heat and cool the plane.
( consists of a APU )

61
Q

What can be placed around the wheel to stop snow from freezing the wheels to the ground ?

A

Sand - but only around wheels and no where else as the engines could suck it up.

62
Q

What should replace all water and waste systems in cold weather ?

A

Anti freeze solution.

63
Q

What can hot weather cause on an aircraft’s take-off and landing distances ?

A

Become longer due to low density air.

M7 (15 decks)

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