ATR 72 Conditions Flashcards
Condition for Propeller Brake ready
F- Fired Handle not pulled
A- Aircraft on the Ground
G- Gust lock engaged
B- Blue hydraulic pressure above 2100 PSi
C-Conditions levers on feather or Fuel Shut off position
ATPCS Arming conditions on the ground
P-Power Mgt on Takeoff position
A- ATPCS Press In
B-Both PL above 49 degrees
B-Both TQ above 46 %
During engine failure the ATPCS will do what on the ground
It will provide 10% up trim and auto feather to the bad engine
ATPCS will trigger if
one TQ is below 18%
ATPCS Arming conditions on flight
P-Power MGT on takeoff position
A-ATPCS press in
B-Both power levers above 49 degrees
B-Both TQ above 46%
Conditions that will cancel the ATPCS
P-Powe MGT not in takeoff position
A-ATPCS not press in
B- Both TQ below 46 %
O- or least one power lever less than 49 degrees
Takeoff Config warming will be triggered if
P-Power MGT not in takeoff position P-pitch trim out of green selector F-Flaps not 15 A-Ailerons in the lock light On T-TLU not in low-speed mode
Takeoff inhibit condition will ARMED when
P-Power MGT in the takeoff position A- Aircraft on the Ground B-Both power lever at and above the NOTCH B-Both NH above 60% N-No oil low pressure
What will DISARM the takeoff INHIBIT
G. Gear Handle moved to Up position
O- Or if the aircraft is on the ground, RCALL is pressed
Hydraulic Blue Auxiliary PUMP will Auto turn ON
B-Blue HYD pressure less than 1500 PSI L- Landing gear lever down A-A least one engine is running P-Propeller brake off P-Push bottom not press in
what happens when fired handle is pulled
P- Propeller feathers F-Fuel LOW pressure valve closes A-Bleed air HP valve closes D-Deice valve closes E-Electrical DC and ACW Gens disconnect S-Squib will Armed
Conditions that will trigger electrical fuel pump to auto On
F-Fuel low level
E-Engine feeder pump pressure drop below 5 psi
D-During engine start, 30 second after and pressure has reach
8.5 PSi
C- Cross FEED Operations
