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PC-12 Planesense > Systems > Flashcards

Systems Flashcards

1
Q

How tall and long is the PC-12

A

14 ft high and 48 feet long

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2
Q

Max ITT:

Take Off
Climb
Cruise

A

850 takeoff for 5 minutes

780 climb

820 cruise

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3
Q

Max Weights:

Ramp (T.O. + 45 pounds)

Takeoff

Landing

A

10,495 on Ramp

  • 45 pounds

10,450 on Takeoff

9,920 on Landing

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4
Q

Define zero fuel weight

A

Max weight in fuselage relative to fuel weight in wings

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5
Q

20 second engine limit:

Torque

ITT

A

Torque - 61 PSI

ITT - 870

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6
Q

Engine Climb Temps

5 minutes

Cruise Climb

A

850 for 5 minutes

780 for cruise climb

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7
Q

Shaft Horse Power

A

1,200 HP

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8
Q

Oxygen

When above FL250 one pilot must

A

Wear O2 when the other leaves the flight deck

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9
Q

Oxygen

When above FL250 you must have ____ minutes O2

A

10 minutes

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10
Q

Batteries

Minimum Voltage to Start

Minimum voltage to require Maintenance

A

24 volts to start

20 volts require maintenance

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11
Q

Pressure

Max cab differential pressure before the safety valve steps in

A

6.0

5.75 PSI - Outflow Valve

6.0-6.35 PSI - Safety pressure relief valve - outflow valve fails

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12
Q

Pressure

select LOW CAB on ground if cruising below ________

A

12,000 ft msl

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13
Q

Landing gear

GEAR Warning occurs when:

(3)

A

Below 130 & Power Idle

Altitude 200’ and power less than 10

Flaps > 15

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14
Q

Pusher Ice Mode

When is it on?

A

Prop Heat & Inertial Separator on

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15
Q

Pusher Ice Mode

What does it do?

A

Shaker & pusher reduced by 8°

flaps limited to 15°

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16
Q

How long between starting attempts?

(3)

A

1 min

1 min

30 min

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17
Q

Describe the electrical system

A

28 volt system

2 x 28 volt generators

2 x 24 volt NiCad batteries

30 min EPS

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18
Q

Propeller

Type

Diameter

RPM

A

Hartzell

9 feet

1700

19
Q

Fuel Type and Capacity

A

Jet A

406.8 gallons - 2,650 lbs

20
Q

Usable Fuel Gallons & Pounds

A

402 Gallons - 2,703 lbs

406.8 Capacity

21
Q

Accessory gearbox

What runs on the accessory gearbox?

A

2 x Fuel Pumps (L & H)

2 x Generators

FCU

Fuel/Oil heat exchanger

Oil pumps

22
Q

Oxygen

How many O2 masks are in the PC-12

A

9

7 for passenger

2 for pilots

AUTO OUTFLOW at 13,500 msl

23
Q

Emergency Power supply powers what?

A

ESIS

Cabin Altitude

CPCS 1 motors

Mag Compass Light

24
Q

Ice Boots Operating Range

A

-40C

40C

25
Q

Engine Info

A

PT - 6A - 67P

Reverse Flow

1,200 HP

Mounted 2* down & right

Ng - Cold Section:
4 axial flow 1 centrifuge

Nf- Hot Section:
Compressor Turbine 2 power turbines

Air enters through inlet → makes 180° turn into compressor section → 4 axial (straight)
flow compressors → 1 centrifugal compressor → fuel nozzles → ignition → compressor
turbine → 2 power turbines → exhausted

26
Q

Oil Quantity & Type

A

3.6 Gallons

Turbo 2380

27
Q

What does the FCU do?

A

Delivers metered fuel to the 14 spray nozzles

28
Q

What runs on Py Air

A

Py from FCU goes to

1) Torque limiter

2) Nf governor

Both bleed the air as needed

29
Q

What three governors handle prop speed?

2 oil

One Py - f for fuel

A

Constant Speed Unit - CSU - Oil In & Out

Over speed - Oil Out

Nf - bleed Py air and handles reverse

30
Q

List the components of the fuel system

A

2 x Main Tanks
2 x Collector Tanks
2 x H&L fuel Pumps
2 x Boost Pumps
3 x Drain Ports / Wing
4 x Jet Pumps

2 bypasses - Filter & L pressure pump

31
Q

Describe the Oil system

A

3.6 gallons of 2380 Turbo

4 scavenger pumps

2 chip detectors

2 oil cooler doors

32
Q

When should you consider using the Inertial Seperator?

A

Takeoff and landing

Heavy precipitation

FOD

33
Q

What is running on P3 air

A

Boots

FCU

Purge Air

34
Q

3 parts of the environmental system

A

VCCS

Aux Heaters

Air Cycle System ACS:

P2.5/P3 air → primary shutoff → temp control valve → heat exchange → cooling
turbine → water separator → firewall shutoff → cabin/cockpit distribution

35
Q

Pulling Primary Shut Off Opens

A

Ram Air Scoop

36
Q

Oxygen

Over FL 250 how many minutes do we need

A

10 min

37
Q

Oxygen

1500lbs at -15C

How long

A

13 min diluted

10 min %100

38
Q

Oxygen

65% if bottle is

A

1200 lbs and 10 mins

Diluted demand

39
Q

Turns:

Wingtip Radius

1) nose wheel steering

2) Nose wheel steering with brakes

A

60 feet

40 feet

40
Q

5 minute ITT limit

A

850

41
Q

Engine Temps

Take off (5 minutes)
Climb
Cruise Climb
Cruise
Transient

A

Take Off 850
Climb 820
Cruise Climb 780
Cruise 820
Transient 870

42
Q

Vr at Max Gross
Vr at Max Gross in ice

A

82
92

43
Q

Generator Limitation (Amps)

A

300 Amps

PC-12 Planesense (5 decks)

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