SYSTEMS

Question 1

ALT AIR

Answer 1

• Filtered ram air from top air scoops - If clogged, door automatically opens providing alt air from nacelle.

Question 2

ALT STATIC / DEICE INDICATIONS

Answer 2

• No static system drain due to location of plumbing / components - Instrument air / Deice Boots provided by engine-driven pressure pumps - Automatic check valves close if one pump fails, 2 air filters per engine. NOTE: Alt Static lever located on Pilot’s Subpanel

Question 3

• Wing Span
• Length
• Heights
• Wheelbase

Answer 3

• 37’ 10”
• 29’ 10”
• 9’ 6”
• 9’ 7”

Question 4

Electrical System

Answer 4

• 28v system
• 5.5 amps
• 2 12v lead acid batteries in series.
• 28v alternators (2) 50-60 amps
  
  • separate from System, except tied to Main Batt Bus.
• Two volt regulators, one functioning at a time (controlled through switch on panel.
• ALT OUT light if voltage drops 1.5-2.0v below bus voltage or if over-voltage relay actuated.

Question 5

ENGINES

Answer 5

• IO-520-CB
• 285 hp @ 2700 RPM

Question 6

FLIGHT CONTROLS

Answer 6

• Flaps - electrically driven by motor under cabin floor
  
  • Trailing edge fowler flaps (single-slotted)
  • Flap position transmitter on flap actuator in left wing, forward of rear spar.
• Ailerons - cables routed through bell cranks / pulleys.
  
  • Aileron Trim - on left aileron
    
    • Push-pull rod attached to jack screw-type actuator.
• Elevator - connected to cables through a torque tube which is connected to a bell crank in tail.
  
  • Elevator Trim - located on left / right elevators
  • Push-pull rods attached to jackscrew actuators. -
• Rudder - bell rank attached to bottom of rudder / cables.
  
  • Rudder Trim - actuated by push-pull rods attached to a jack screw-type actuator.

Question 7

FUEL SYSTEM

Answer 7

• Wet wing tip - 200 gals.
• Total. (8 drains)
• Aux pumps and eng-driven pump, fed from inboard leading edge tanks. -
• 3 bladder fuel cells in each wing.
• Fuel pump driven off accessory drive of engine
• Fuel enters pump at 28-31 psi.

Question 8

INSTRUMENT PRESSURE

• Red Button Source Failure Indicators or Normal (Green Arc)

Answer 8

4.3 – 5.9 in Hg

Question 9

LANDING GEAR / BRAKES

Answer 9

• 28v DC split-field, series wound motor, drives gear.
• Air-oil struts on landing gear -
  
  • Main tires: 70 psi
  • Nosewheel tire: 50 psi.
• Left gear strut houses auto safety switch
• Gear warning horn switch (squat switch).
  
  • Gear up & throttle below 15” MAP
  • Gear handle in UP position while on ground
  • Gear up with more than 15° flaps

Question 10

MAGNETOS

Answer 10

• 2 gear driven magnetos.
• Driven by accessory case of engine.
• Max drop 175 rpm,
• Max difference 50 rpm.

Question 11

Oil System

Answer 11

• Wet sump,
• Pressure type - 12 qts capacity.

Question 12

Propellers

Answer 12

• Hartzell 3-Blade - PHC-J3YF-2UF - Constant Speed Full feathering - Hydraulically actuated - Gov uses internal pump to supply or drain oil as appropriate to maintain constant speed. - Prop forces consist of: 1. Mechanical Spring 2. Cylinder Air Charge 3. Counterweights 4. Centrifugal twisting of blades

Question 13

Starter

Answer 13

• 24v Direct Drive
• Do not operate continuously for more than 30 secs.

Question 14

• Turning Radius
• Wingtip
• Nose wheel
• Inside Gear
• Outside Gear

Answer 14

• 31’ 6”
• 15’ 6”
• 7’ 11”
• 17’ 6”