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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

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19
Q

Fuel Type and Capacity

A

Jet A

406.8 gallons - 2,650 lbs

20
Q

Fuel Gallons & Pounds

A

Total Capacity

− 406.8 US gal, 2,736.5 lb

Usable Fuel
− 402 US gal, 2,703.6 lb

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

25
Engine Info
PT - 6A - 67P Reverse Flow 1,200 HP Mounted 2* down & right PT6-67P & PT6E-67XP This airplane incorporates a twin shaft turboprop engine with 4 axial and 1 centrifugal compressor Ng stages, an annular combustion chamber, and a 3 stage turbine where one stage drives the compressor and two stages power the propeller. 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
Oil Quantity & Type
3.6 Gallons Turbo 2380
27
What does the FCU do?
Delivers metered fuel to the 14 spray nozzles
28
What runs on Py Air
Py from FCU goes to 1) Torque limiter 2) Nf governor Both bleed the air as needed
29
What three governors handle prop speed? 2 oil One Py - Nf for fuel
Constant Speed Unit - CSU - Oil In & Out Over speed - Oil Out Nf - bleed Py air and handles reverse
30
List the components of the fuel system
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
Describe the Oil system
3.6 gallons of 2380 Turbo 4 scavenger pumps 2 chip detectors 2 oil cooler doors
32
When should you consider using the Inertial Seperator?
Takeoff and landing Heavy precipitation FOD
33
What is running on P3 air
Boots FCU Purge Air
34
3 parts of the environmental system
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
Pulling Primary Shut Off Opens
Ram Air Scoop
36
Oxygen Over FL 250 how many minutes do we need
10 min
37
Oxygen 1500lbs at -15C How long
13 min diluted 10 min %100
38
Oxygen 65% if bottle is
1200 lbs and 10 mins Diluted demand
39
Turns: Wingtip Radius 1) nose wheel steering 2) Nose wheel steering with brakes
60 feet 40 feet
40
5 minute ITT limit
850
41
Engine Temps Take off (5 minutes) Climb Cruise Climb Cruise Transient
Take Off 850 Climb 820 Cruise Climb 780 Cruise 820 Transient 870
42
Vr at Max Gross Vr at Max Gross in ice
82 92
43
Generator Limitation (Amps)
300 Amps limit 450 for 2 minutes
44
How many fuel sumps Ng Ngx
6 5
45
Wing Tip Turning Radius with brakes and nose wheel steering Without
40 feet 60 feet

PC-12 Planesense (5 decks)

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