PTM Ch. 1 General Flashcards
How could you tell the difference between the SW3 vs SW4?
SW3 has 15 windows
SW4 has 19 windows
Passenger Door Dimensions
23x53”
How many bayonet latches and alignment pins does the passenger door have?
7 bayonet latches and 2 alignment pins
Dimensions of cargo door
53x51”
How many click-clack latches and alignment pins are on the cargo door?
8 click-clack latches and 2 alignment pins
BC planes have what “dash” engines?
-12
What’s an easy way to identify a Metro 23?
Dual SAS vanes
What keeps the passenger door from opening when the aircraft is pressurized?
A differential pressure diaphragm actuates a safety hook.
What psi is the inflatable rubber seal around the passenger door?
Regulated 18 psi bleed air
Can you tow the airplane with the doors open?
No!
Is there a differential pressure lock on the cargo door?
No.
Emergency exits are what type?
Plug type
Which windshields are glass in the plane?
Pilot’s and Copilot’s
What kind of batteries do we have?
Lead acid
Where are the batteries located?
On top of the wings inboard of the nacelle
Which bus supplies the No 1 inverter?
Left essential
Which bus supplies No 2 inverter?
Right Essential
What allows one inverter to supply AC power to all AC busses?
Bus ties
How many degrees dihedral do the wings have?
5
What is used for fuel balancing?
Fuel cross flow
What serves as a backup fuel quantity indicator?
Magna sticks
What do the magna sticks read?
Gallons
What’s the Max a magna stick can read?
1000 lbs of fuel
Engine power section consists of:
A two-stage centrifugal compressors, an annular reverse-flow combustion chamber, and a three-stage axial-flow turbine.
