Aircraft Specifics (PA44) Flashcards
(38 cards)
What Engines does the aircraft use
4 Cylinder
Lycoming
Horizontally Opposited
Air Cooled
Normally Aspirated
Direct Driven
What Propellers does the aircraft use
Hartzell
2 Blades
Max 74”
Min 72”
Benefits of the propeller used
Constant Speed
Controllable Pitch
Hydraulically Actuated
Full Feathering
Counter Rotating
How does the propeller feather
Nitrogen
Large Spring
Counter Weight
What are the counter Acting Forces for feathering
Oil Pressure
Unfeathering Accumulator
Why doesn’t the propellers feather on the ground
Anti feathering pins
How is the tanks vented
One way vented caps
One vent under each wing
How many Fuel Pumps are on the aircraft
2 Engine Driven
2 Electrically Driven
1 Electrically Driven (for the heater)
How does the landing gear extend
Springs
J-hooks/C-hooks
How is the landing gear retracted
By Hydraulic pressure Only
How does the hydraulic pump work
Fully Reversible
Electrically Actuated
2 Piston Gears for Pressure
How does the hydraulic pump toggle
Pump motor stopped by;
•Electrical Limit Switches
•Pressure Switches
When does the Gear Warning Horn sound
Less than 14”MP
Flaps 25°-40°
Below 400ft
Handle Up on the Ground
How does the Emergency Gear Extension work
Releasing hydraulic pressure, springs and Gravity
Operate under 100KIAS
What switches are on the left and right Gear
Up Switches
Down Switches
Squat Switches
What Ailerons does the aircraft use
Friese-Type
Differential
Up-24° Down-17°
How does the Trim work
Anti-Servo Trim Tab
What flaps do the aircraft use
Spring Loaded
Slotted
Aircraft Configuration for Slow Flight when Clean
1200RPM then to 1800RPM
Aircraft Configuration for Slow Flight when Dirty
1500RPM Then To 2000RPM
Aircraft Configuration for Stalling in Base Configuration
13” MP
Flaps 25
Aircraft Configuration for Stalling in Landing Configuration
1500RPM
13”
Aircraft Configuration for Steep Turns
19” MP
2300RPM
Speed for Vso
55
