SYS 4 Flashcards
HYD “PRESS” light:
System pressure too high or low.
HYD “FAULT” light:
w/ T - Hi Pump Temp
w/ L - Low Pump Pressure
HYD RMP’s commanded off when:
HYD RESV < 1 Gal
ADG released in HYD mode
HYD SYS with < 2.5 gal =
“SYS OFF” for “LOW QTY in cruise flight.
HYD SYS with < 1 gal=
“SYS FAIL”
How do you early terminate a HYD Pressure test?
Re-press the “HYD PRESS TEST” switch.
HYD Engine Driven Pump tests when?
During engine start when the fuel lever is raised.
Max Spoiler extension on ground:
60 Degrees
Max Speedbrake extension in flight:
30 degrees plus bank assist.
Speedbrakes locked out when:
Flaps Extended
Can extend flaps with speedbrakes out but will receive Level 1 Alert “RETRACT SPD BRK”
Yaw Damper dispatch requirements:
Must have both (2) Yaw Damp channels from common FCC.
LSAS dispatch requirements:
Must have both (2) LSAS channels from common FCC.
LSAS “ON” when:
A/P Off and:
- < 2 lbs of pressure on the yoke
- < 30 degrees of bank
Parallel Rudder disengages when:
Slats retract, or
Roll Mode change.
Slat Stow switch light function:
Slat Inhibit.
- Will not retract slats once deployed, only inhibits slats from extending.