B777 Flashcards
What provides the yaw damping function in normal mode?
Turn coordination and Dutch Roll damping
How are the primary flight controls powered?
Redundant hydraulic sources
Which hydraulic systems supply the flight controls?
Left, right, and center hydraulic systems supply power to the flight controls
Which tank can the DC fuel pump feed from?
Single centre tank
During an in-flight second start attempt, at what EGT will the EEC re-introduce fuel?
EGT falls below 200 degrees C
What are the maximum allowable wind speeds for autoland?
HW: 25 knots TW: 15 knots XW 25 knots
At what N3 RPM does starter cutout occur? (300)
25% (start selector releases to the NORM position)
Which spoiler surfaces are mechanically controlled?
Spoilers 4 and 11
How is the hot battery bus voltage normally supplied?
Main battery charger
What condition will most likely be accompanied with high N1 vibration?
Tactile vibration
Which isolation valves are normally open in flight?
Left and right (Centre normally closed)
What is the VNAV climb speed when in clean configuration?
Speed transition associated with origin airport or Vref+100 whichever higher
Which altimeter setting provides the landing altitude barometric pressure correction?
Captains altimeter setting
Which flight control modes allow for autopilot operation?
Normal, secondary
What is the backup system for flaps and slats?
Electrically powered backup systems
Which main gear axle is steerable?
Fwd axle of main gear is steerable
How is the ADIRU hot battery bus operation indicated on the ground?
Horn in the landing gear wheel well sounds to alert maintenance crew
What are the primary engine indications displayed on EICAS?
N1 and EGT
What is the indication for crossed valve disagreement?
CROSSFEED switch VALVE light illuminates and EICAS advisory message FUEL CROSSFEED FWD or AFT displays
What is the maximum landing weight for the Boeing 777-300ER?
251,290 kg
What components make up the ADIRS?
ADIRU, SAARU, Air data modules
How are TRUs supplied?
AC transfer busses powers TRUs (transformer rectifier units)
How is tail strike protection achieved?
PFCs calculate if a tail strike is imminent and decrease elevator deflection
Which hydraulic systems power the stabilizer?
Left and center hydraulic systems
How many times will autostart attempt on the ground for 777-300?
3 attempts
