Revision Questions Flashcards
(21 cards)
Define the useful load:
a. traffic load plus dry operating mass
b. traffic load plus usable fuel mass
c. dry operating mass plus usable fuel load
d. that part of the traffic load which generates revenue
B
Determine the position of the CG as a percentage of the MAC given that the balance arm of the
CG is 724 and the MAC balance arms are 517 to 1706.
a. 14.2 %
b. 15.3 %
c. 16.3 %
d. 17.4 %
D
The distance from the datum to the CG is:
a. the index
b. the moment
c. the balance arm
d. the station
C
Individual aircraft should be weighed in an air conditioned hangar :
a. on entry into service and subsequently every 4 years
b. when the effects of modifications or repairs are not known
c. with the hangar doors closed and the air conditioning off.
d. all the above.
D
If a compartment takes a maximum load of 500 kg, with a running load limit of of 350 kg/m and
a distribution load limit of 300 kg/m2 max. Which of the following boxes, each of 500 kg, can be
carried?
1. 100 cm x 110 cm x 145 cm
2. 125 cm x 135 cm x 142 cm
3. 120 cm x 140 cm x 143 cm
4. 125 cm x 135 cm x 144 cm
a. any one of the boxes if loaded with due care as to its positioning
b. either of boxes 2, 3 and 4 in any configuration
c. box 2 with its longest length perpendicular to the floor cross beam or box 3 in any
configuration
d. either of boxes 3 and 4 with their longest length parallel to the aircraft longitudinal
axis.
D
If the maximum structural landing mass is exceeded:
a. The aircraft will be unable to get airborne
b. The undercarriage could collapse on landing
c. No damage will occur providing the aircraft is within the regulated landing mass.
d. No damage will occur providing the aircraft is within the performance limited landing
mass.
B
For a conventional light aeroplane with a tricycle undercarriage configuration, the higher the
take-off mass (assume a stab trim system is not fitted):
1. Stick forces at rotation will increase
2. Range will decrease but endurance will increase
3. Gliding range will reduce
4. Stalling speed will increase
a. all statements are correct
b. Statement 3 only is correct
c. Statements 1 and 4 only are correct
d. Statement 4 only is correct
C
Due to a mistake in the load sheet the aeroplane is 1000 kg heavier than you believe it to be. As
a consequence:
a. V1 will be later
b. VMU will be later
c. VR will be later
d. V1, VMU, VR will all occur earlier
B
If the aeroplane was neutrally stable this would suggest that:
a. the CG is forward
b. the CG is in mid range
c. the CG is on the rear limit
d. the CG is behind the rear limit
D
The CG position is:
a. set by the pilot
b. set by the manufacturer
c. able to exist within a range
d. fixed
C
Which of the following would not affect the CG position?
a. Cabin crew members performing their normal duties.
b. Fuel consumption during flight.
c. Horizontal stabilator trim setting
d. Mass added or removed at the neutral point
D
An aircraft is about to depart on an oceanic sector from a high elevation airfield with an
exceptionally long runway in the tropics at 1400 local time. The regulated take-off mass is likely
to be limited by :
a. MZFM
b. Obstacle clearance
c. Maximum certified Take-off mass
d. Climb gradient
D
An aircraft is flying at 1.3 VS1g in order to provide an adequate margin above the low speed
buffet and transonic speeds. If the1.3VS1g speed is 180 kts CAS and the mass increases from
285000 kg to 320000 kg, What is the new 1g stalling speed?
a. 146.7 kts, drag will increase and nautical mile per kg fuel burn will decrease.
b. 191 kts, drag will increase and range nm/kg will increase.
c. 191 kts, drag will increase and nm/kg fuel burn will decrease.
d. 147 kts, drag will remain the same and nm/kg fuel burn will increase
A
The datum for the balance arms has to be along the longitudinal axis:
a. between the nose and the tail.
b. between the leading and trailing edge of the MAC.
c. but does not have to be between the nose and the tail.
d. at the fire wall.
C
The useful load is:
a. TOM – fuel mass
b. BEM plus fuel load
c. TOM minus the DOM
d. TOM minus the operating mass
C
In Mass & Balance terms, what is an index?
a. A cut down version of a force
b. A moment divided by a constant
c. A moment divided by a mass
d. A mass divided by a moment
B
Standard masses for baggage can be used for aircraft with:
a. 9 seats or more
b. 20 seats or more
c. 30 seats or more
d. less than 30 seats
B
If an aeroplane comes into lands below its MSLM but above the PLLM for the arrival airfield:
1. Airframe structural damage will occur.
2. Tyre temperature limits could be exceeded.
3. The runway length might be inadequate.
4 A go-around might not be achievable.
5. Brake fade could occur.
a. 1 and 5 only
b. 3 and 4 only
c. 2, 3, 4 and 5 only
d. 1, 3, 4 and 5 only
C
What is the zero fuel mass?
a. MTOM minus fuel to destination minus fuel to alternative airfield.
b. Maximum allowable mass of the aircraft with no usable fuel on board.
c. Operating mass minus the fuel load.
d. Actual loaded mass of the aircraft with no usable fuel on board.
D
An aeroplane develops a serious maintenance problem shortly after take-off and has to return
to its departure airfield. In order to land safely the aircraft must jettison fuel. How much fuel
must be jettisoned.
a. Sufficient to reduce the mass to the zero fuel mass
b. The pilot calculates the amount of fuel to jettison to reduce the mass to a safe level at or
below the RLM.
c. The fuel system automatically stops the jettison at the RLM.
d. As much as the pilot feels is just insufficient to land safely
B
Calculate the amount of cargo that could be loaded into the aircraft given the following
information and using the CAP 696, Section 4, MRJT 1, as necessary.
Dry Operating Mass 34,900 kg
Performance Limited Landing Mass 55,000 kg
Trip Fuel 9,700 kg
Contingency Fuel 1,200 kg
Alternate Fue 1,400 kg
130 passengers at 84kg each 10,920 kg
130 bags at 14kg each 1,820 kg
a. 2,860 kg
b. 3,660 kg
c. 4,660 kg
d. 5,423 kg
A
