Specs

Question 1

What are the aircraft dimensions?

Answer 1

14’ tall

47’ 3” long

Question 2

What is Tail height?

Answer 2

14’

Question 3

What is wing height?

Answer 3

5’ 4”

Question 4

What is prop diameter?

Answer 4

8’ 9” diameter

Question 5

Wingspan?

Answer 5

53’ 4”

Question 6

Wing area

Answer 6

277.8 square feet

Question 7

Tail dimensions

Answer 7

17’ wide x 14’ tall

Question 8

Wingtip radius for turning?

Answer 8

35’ 7”

Question 9

Emergency exit overwing

Answer 9

1 piece 26” high x 18” wide
No pilot warning if removed
May be opened inside or outside

Question 10

Dv window

Answer 10

Closed - normal operations

Located on captains side
Ventilation on ground - help smoke evacuations

Question 11

Passenger door

Answer 11

Air stair type door
24" wide x 53" 
Secured by 6 locking pins
2 micro switches
Approved emergency exit
6 indicator lights

Question 12

Cargo door

Answer 12

52" H x 53" wide
Secured by 2 shoot bolts
3 hook latches
2 micro switches 
Gas cylinder assist
Electric or manual closing
Not approved emergency exit

Question 13

Cargo area

Answer 13

400 lbs Max

Light automatically goes off after 5 minutes

Question 14

MAU

Answer 14

Computer controls everything

• box full of modules
• integrated avionics system
• Divided into 2 channels for Redundancy

Question 15

Cockpit display

Answer 15

Consists of 4 units
DU 1-4

Captain
Copilot
Systems
MFD

Question 16

iNav MFD

Answer 16

Map on the bottom
- can toggle between systems and charts
Make sure to switch to top center display per Planesense!

Question 17

Monitoring Warning system

Answer 17

Tells when something is wrong

• CAS
• FAS
• Aural Warning

Question 18

Cas

Answer 18

Crew alerting system

Question 19

Fas

Answer 19

Aircraft flight alert

Question 20

Aural warning

Answer 20

Voice call outs and chimes

Red - bad on top

Amber

Cyan

White - state the system is in

Question 21

What engine is installed?

Answer 21

PT6A-67P

• 1200 Shaft HP
• free turbine design
• reverse flow

Question 22

Np

Answer 22

Speed of prop

Question 23

Ng

Answer 23

Compressor speed

Question 24

Engine is canted…. and why?

Answer 24

Canted 2 degrees down and 2 degrees right

For torque

Question 25

True or False

Majority of the air compressed is not for combustion?

Answer 25

True
25% for combustion
65% cool combustion
10% for secondary air systems

Question 26

Describe back of engine

Answer 26

4 stage axial compressor

Bands of air moved opposite directions

Question 27

Describe center of engine

Answer 27

Centrifugal compressor

Pushes air into combustion chamber

Question 28

Compressor

Answer 28

Draws air into engine before delivery into combustion chamber

Air not used creates a cushion of air

Question 29

What is the compressor turbine speed?

Answer 29

39000 max RPM @ 104% Ng

Question 30

What is RGB?

Answer 30

Reduction Gear Box

Reduces turbine speed low/high planetary gear

steps down

   - 30,000 RPM  -> 1700 RPM

Question 31

Explain Exhaust system

Answer 31

Direct exhaust gases with minimal flow restrictions

Question 32

Accessory Gearbox

Answer 32

Mounted to rear of engine

Low/high press fuel pump
FCU fuel control
Fuel/Air heat exchanger
Oil pumps
Generator
Starter

Question 33

Oil Tank

Answer 33

Pumps oil

Question 34

Bleed Air Valve

Answer 34

Prevents compressor stall

Prevents Reverse flow @ low power

Question 35

Where does the secondary air come from?

Answer 35

Air within compressor section

Question 36

Igniters

Answer 36

Provides spark to igniters
4-9 o’ clock position

Comes on automatically ITT less than < 500C
Ng > 10%

Question 37

True or false

Ignitors
Should be turned on for Heavy Precipitation and strong turbulence

Answer 37

True

Question 38

Where is ITT probe located?

Answer 38

Between Power Turbine and compression Turbine

Question 39

Describe oil system

Answer 39

Pressure oil system

Oil drawn from tank

                            - to filter
                                        - pressure regulating valve

Delivered through core passages
Lubricates all major bearings, accessories, RGB

Scavage oil system

Question 40

What oil is used?

Answer 40

BP 2380 Turbo

Question 41

Oil / Fuel heater

Answer 41

Warm oil passes through exchanger to heat up fuel

amount of oil depends on temp of fuel passing

Question 42

Describe chip detector

Answer 42

Detector attracts ferrous material with magnets

2 detectors

   - reduction gear box
   - accessory gear box

Question 43

Torque system

Answer 43

Works off of oil pressure which is equivalent to Ng

Question 44

Torque limiter

Answer 44

Spring thing that vibrates around and measures oil pressure

Limits engine torque below 44.3 psi

Bleeds off Py air to reduce fuel flow from FCU

Question 45

Fire detection system

Answer 45

Stainless steel tube with Helium
Internal core with Hydrogen

Tube heats up
Pressure increases
Actuated pressure switch

Question 46

True

ACS must be shutoff when fire is detected

Answer 46

True

Airflow to cabin - stops toxin gases from entering cowling

Question 47

PCL

Answer 47

Power Control Lever

Controls Ng compressor power speed

Both forward and reverse

Question 48

MOR lever

Answer 48

Manual Override Lever
Emergency system

Used for uncommanded “NG rollback or engines”