Airframe and Flight Controls Flashcards
Type of construction of the airframe
Semi-monocoque
Material, made of?
FG and CF RF
Fiber glass and carbon fiber re inforced plastic
What do we do w conductive components
All connected together w metal braiding and straps
For continued airworthiness, how often those straps and metal braiding must be inspected
Every 1000H
How many wing spars per wing
2
Wingspan of DA42NG
44 FT 6 inches
How many vortex generators
4
How do they work
the boundary layer is energized by the vortices
How is the elevator actuated
W control rods
What is the elevator back stop for
To limit the normal 15 up elevator to 13 degrees. To decrease the likelihood of inadvertent stall during a go around
When is it active
Any flaps settings when power is above 20%
What if stick limit CAS message before flight
Can’t fly
In flight
Avoid stalls and terminate flight.
How is the elevator trim actuated
W a cable
If trim cable breaks what’s happening
The friction dampener would prevent flutter
How is the rudder actuated
W a cable (bowden cable)
How are the ailerons actuated
Control rods
What are the paddles on each wing by the ailerons
To prevent adverse yaw
How many electric motors for the flaps
1
How many position for flaps
3:
Up
Approach 20
Landing 42
What secures the ailerons and flaps hinges
Roll pins
What should they look like
Flush
What if one is missing
Terminate flight prep
What’s special about the stall warning
It’s heated
Always?
Not on the ground
Will message will show on the PFD
STALL HT FAIL
Can we tow the aircraft w the control lock in
No
How many position the canopy has
3
Open
Closed
And colling gap
Can the canopy stay open during t/o engine checks
No
Can the rear door be key locked during flights
No
Because it’s an emergency egress
What is the sequence to open the rear door
1st large red handle, then small red lever
Emergency egress
Pull down the overhead emergency release
What does it do
It releases the upper hinges pins
Can you fly the plane if the rear door detaches
Yes
Is composite material flammable
Yes
Mitigation
Always inspect the fire extinguisher
