pa44-180 : POH 7 Flashcards
systems
how many occupants can this aircraft hold
4
what is the luggage compartment capacity
200 lbs
what is the nose cone made out of?
fibreglass
are aerobatics prohibited in this aircraft?
yes
what is the fuselage
a semi-monocoque structure
what kind of wing do we have?
semi-tapered design
what are the four different types of wings
plain flaps
split flaps
slotted flaps
fowler flaps
describe the plain flap
is a simple hinged portion of the trailing edge that is forced down into the airstream to increase the camber of the airfoil
describe the split flap
is a plate deflected from the lower surface of the airfoil. Creates a lot of drag because of the turbulent air between the wing and deflected surface
describe slotted flap
similar to the plain flap, but moved away from the wing to open a narrow slot between the flap and wing for boundary layer control.
- may cause a slight increase in wing area, but the increase in lift is insignificant
describe the fowler flap
is used extensively on larger airplanes.
when extended, it moves down, increasing the camber, and aft, casuing a significant increase in wing area as well as opening one or more slots for boundary layer control
what makes up the empennage
vertical stabilizer
all-moveable horizontal stabilator
rudder
where is the stabilizer mounted
on top of the vertical fin and it incorporates an anti-servo tab that is longitudinal stability and trim
what kind of engines does this aircraft have
Lycoming four cylinder, direct drive, horizontally opposed fuel injected engines
what is each engine rated as
180 hp @ 2700 RPM @ sea level
how are the engines cooled
air cooled and equipped with oil coolers with low temp bypass
which direction does the left engine rotate? right rotate?
left : clockwise
right : counterclockwise
should the alternate air be used while on the ground?
no, it would allow for dust and other contaminates to enter the system
what source of air should always be used for takeoff
the primary (filtered) induction source
what kind of propellers does this aircraft have?
counter-rotating
how many blades is each of the props
two blades
what kind of propellers does this aircraft have
two blades
constant speed
controllable pitch
feathering
where are the propellers mounted to
directly to the crankshaft
pitch is controlled by
oil and nitrogen pressure
what drives the propeller toward the high RPM or unfeather position
oil pressure
what drives the propeller towards the low RPM or feather position
nitrogen pressure and a large spring
what does the prop governor control
engine speed by varying the pitch of the propeller to match load torque to engine torque in response to changing flight controls
where does the unfeathering accumulators store engine oil
under pressure from the governors, which is then released back to the governors for propeller unfeathering when the propeller control lever is moved out of the feathered position
what is a feathering lock operated by
centrifugal force
what prevents feathering during engine shutdown by making it impossible to feather any time the engine speed falls below 950rpm
feathering lock
the controls (throttle, mixture and propellers) utilize what kind of controls
leflon-lined control cables to reduce friction and binding
throttle levers are used to adjust
engine mp
when is a CAS caution triggered
higher than 400ft AGL
manifold pressure lower than 14”
landing gear not down and locked and flaps in the 2nd or 3rd notch
when is a CAS warning triggered
lower than 400ft AGL
manifold pressure lower than 14”
landing gear not down and locked and flaps in the 2nd or 3rd notch
the propeller control levers are used to adjust
propeller speed from high RPM (low pitch) to feather (high pitch)
when the alternate air lever is in the down (open) position
the engine is operating on unfiltered, heated air
what are cowl flaps used for
regulate colling air for the engines
the primary flight display displays
airspeed
attitude
altitude
heading information
what is the primary function of the PFDs
provide attitude and heading data for from the AHARS and ADC
what does the ADC provide
airspeed
altitude
vertical speed
air temp