QDB Boeing Load, Balance and Servicing Flashcards
Actual zero fuel weight (ZFW) must never exceed?
A) Maximum landing weight plus unusable fuel in tanks
B) Maximum design zero fuel weight
C) Operational take off weight
D) Maximum take off weight minus fuel tanks capacity
B
Aircraft center of gravity (CG) is defined as?
A) A rotating point at the datum line while aircraft take off and landing
B) Point in an aircraft around which all weights are balanced or evenly distributed
C) Point in an aircraft around which all weight is not balanced
D) Aircraft center of gravity when empty
B
Dry operating index (DOI) is defined as the index figure which?
A) Corresponds to the Centre of gravity of dry operating weight
B) Equals the fuel weight index correction, plus load index
D) Is based on aircraft engine type
A
When aircraft CG is near its aft limit?
A) Better take-off performance is resulted i.e higher MTOW and less trip fuel is required
B) Worse take-off performance i.e lower MTOW and more trip fuel is required
A
Which statement is false?
MAC is:
A) Is the chord of a section of an imaginary airfoil on the wing which would have force vectors throughout the flight range identical to these of the actual wing
B) It is used as a reference for locating the relative positions of the wings Centre of lift and the airplane Centre of gravity
C) It is used to determine the aircraft envelope, through which CG limits of the loading of each flight must be outside this envelope.
C
. Index takeoff weight (ITOW) is:
B) Zero fuel weight index + fuel index correction
C) Dry operating index (DOI) + fuel index correction
D) Dry operating Index (DOI) + load index
B
. Datum line is defined as a reference line?
A) From a point forward of the nose or at least the aircraft nose to the most aftward station of the aircraft.
B) On the leading edge
D) Which passes through the aircraft Centre of gravity (CG)
A
Aircraft C of G must fall?
A) On a point along the length of the MAC
What is the purpose of the ARMED position of the emergency lights?
B) Automatically illuminates the emergency lights if the airplane electrical power to DC BUS fails or AC power is turned off
Time of useful consciousness at FL400?
15 sec
Time of useful consciousness below 15000ft? A) 15 seconds B) 30 seconds C) 60 seconds D) Unlimited
D
What is the crew action if unreliable airspeed is suspected?
A) Adjust airplane attitude/thrust, check that probe heat is on and cross check Mach/ airspeed indicators
B) Engage autopilot, check that probe heat is on and cross check Mach/Airspeed indicators
C) Engage auto throttle, check that the probe heat is on and’cross check Mach/airspeed indicators
D) Switch ion weather radar, check that the probe heat is on and cross check, Mach/Airspeed indicators
A
What is the minimum indicated airspeed for engine in-flight start using windmill at 10000ft
A) 250kts B) 300kts C) 280kts D) 220kts
B
Select stabilizer trim override switch to OVERRIDE in case of:
A) Runaway stabilizer
B) Stabilizer inoperative
C) Jammed or restrictive controls D) Manual trimming
C
Wind sheer escape maneuver, manual flight?
A) Disconnect autopilot and auto throttle. Apply max thrust. Roll wings level and rotate towards 20 degrees pitch. Retract speed brakes. Follow flight director TOGA. Do not change flap or gear configuration until wind sheer is no longer a factor
B) Disconnect autopilot and auto throttle. Apply max thrust. Roll wings level and rotate towards 15 degrees pitch. Retract speed brakes. Follow flight director TOGA. Do not change flap or gear configuration until wind sheer is no longer a factor
C) Perform normal auto Go-Around
D) Perform Normal manual Go-Around
B
During TCAS RA:
A) Avoid the intruder visually using pitch change
B) Avoid the intruder visually using roll change
C) Disengage the autopilot and auto throttle. Adjust pitch and thrust to satisfy RA command D) Follow ATC instructions
C
