Definitions

Question 1

Basic Empty Mass

Answer 1

• The empty clean aircraft
• Any unusable fuel and other unusable liquids (hydraulic/lubrication fluids)
• Safety equipment
• Supplementary electronic equipment

Question 2

Variable Load

Answer 2

• Crew and their baggage
• Catering and other removable passenger service equipment
• Food&Beverages
• Potable (drinking) water
• Lavatory chemicals
• Any special operating equipment

Question 3

Traffic load

Answer 3

Mass of passengers, baggage, cargo and any non-revenue load, which is being transported to support the company’s operations

Question 4

Fuel

Answer 4

• Usable fuel in tanks at any particular point
• On the ramp, the usable fuel is the ramp fuel or block fuel

Question 5

1 USG to liters

Answer 5

3.785 litres

Question 6

1 IMP Gallon to USG

Answer 6

1.2 USG

Question 7

1 IMP Gallon to litres

Answer 7

4.546 litres

Question 8

1 meter to feet

Answer 8

3.28 feet

Question 9

1 kg to lb

Answer 9

2.205 lb

Question 10

1 ft to in

Answer 10

12 in

Question 11

1 nM to metres

Answer 11

1852m

Question 12

1 nM to feet

Answer 12

6076 feet

Question 13

1 meter to feet

Answer 13

3.28 ft

Question 14

1 kt to m/s

Answer 14

0.5144 m/s

Question 15

1 m/s to kts

Answer 15

1.944 kts

Question 16

Reserve fuel includes:

Answer 16

• Contingency fuel
• Alternate fuel
• Final reserve fuel

(Additional fuel)

Question 17

Underload

Answer 17

Difference between max traffic load and actual traffic load.

Max traffic laod that could be added without exceeding any performance or structural limitations

Question 18

3 Method of carrying cargo

Answer 18

1. In containers
2. On pallets
3. Loose (bulk cargo restrained by nets)

Question 19

Name 2 unit load devices

Answer 19

Pallets / Containers

Question 20

How is moment calculated?

Answer 20

Mass x distance from datum

Question 21

What is a Mean Aerodynamic Chord (MAC)?

Answer 21

MAC is the chord of an imaginary equivalent rectangular wing with the same pitching characteristics.

Question 22

When the undercarriage nose wheel retracts, which way does the CG go?

Answer 22

Forwards

Question 23

What is the equation for moving mass on an aircraft?

Answer 23

Question 24

What is the equation for moving mass on an aircraft?

Answer 24

Question 25

How often does an aircraft need to be reweighed? (individual and fleet)

Answer 25

Individual: 4 yrs Fleet: 9 yrs

Question 26

Which DOM and CG do they use for fleet?

Answer 26

The average of them all.

Question 27

What kind of building is an aircraft weighed in?

Answer 27

Closed hangar with air conditioning off.

Question 28

Minimum number of load cells used to weigh an aircraft?

Answer 28

3

Question 29

How much can an aircraft be modified before it needs to be reweighed and have it's CG position re-established?

Answer 29

If the modifications of the Dry Operating Mass lead to a change of more than half a percent of the Maximum Landing Mass, then an aircraft needs to be reweighed.

Question 30

3 Categories of Passengers

Answer 30

1. Adults (M&F, aged 12+) 2. Children (M&F, 2-12 years old) 3. Infants (less than 2 years old)