CH 16 - Fuel

Question 1

What is the pre-flight phase?

Answer 1

ETD - 4 hours to pushback or engine start.

Question 2

What is the in-flight phase?

Answer 2

Pushback or engine start to touchdown

Question 3

Trip fuel?

Answer 3

Flight Fuel and Approach Fuel.

Question 4

In-flight, when does the Alternate Criteria need to be protected?

Answer 4

1. Planned destination
2. Planned alternate
3. DPA

Question 5

In-flight, when can you use Landing Minima?

Answer 5

1. Planned DP1
2. Planned DPD
3. Planned CPE

Question 6

Pre-flight Fuel requirements (think sequentially)

Answer 6

TTCHRAFA
Trim Tanks Can Help Relieve A Fuel Accident

• Taxi;
• Trip ;
• Contingency ;
• Holding;
• Required Additional;
• Arrival Allowance (if defined for the destination);
• Final Reserve;
  and
• Alternate, when required.

Question 7

When does the NZ fuel requirement apply for a single runway airport?

Answer 7

Pre-flight only. After engine start or pushback, standard in-flight fuel requirements apply.

Question 8

FLIGHT fuel

Answer 8

Take-off roll → 1500 ft at the destination.

Question 9

APPROACH fuel

Answer 9

1500 ft → touchdown.

Question 10

ARR ALLOWANCE

Answer 10

• Additional manoeuvring during descent at the planned Destination and Alternate
• Considered either Planned or Required Additional Fuel
• Displayed on the OFP in the Arrival Allowance fuel line.

Question 11

CONTINGENCY

Answer 11

Unforeseen factors influencing burn to destination
eg fuel consumption data, enroute meteorological conditions, extended taxi times, route, altitudes etc.

Question 12

F.R.F
Final Reserve Fuel

Answer 12

Minimum fuel needed to fly at 1500 feet above the Alternate Airport or Destination Airport at holding speed in ISA conditions.
Nominated 2 700 kg

Question 13

REQUIRED ADD

Answer 13

Compulsory regulatory and/or company requirements.
- Payload must be off loaded to accommodate this requirement.

Question 14

TAXI

Answer 14

Commencement of the engine start procedure to the commencement of the takeoff roll.

25 kg/minute
480 kg including 75 kg for APU

Question 15

MIN REQUIRED (MOR)

Answer 15

The minimum quantity of fuel that must be planned to be onboard the aircraft to allow the aircraft to depart with the** required regulatory minimum** to reach a Category A or B Airport.

Question 16

PLANNED FUEL

Answer 16

MOR + Planned Additional Fuel.
This amount represents the sum the Company assesses as being sufficient to operate the flight with** adequate margins** while ensuring the** successful completion of the planned operation**, given known operating conditions.

Question 17

PLANNED ADD

Answer 17

Non-compulsory Company requirement.
- Subject to payload requirements and may be offloaded at the discretion of the PIC to facilitate payload uplift.
- Included in the calculation of the fuel burn presented on the OFP.

Question 18

Two big picture fuel figures?

Answer 18

MOR = fuel to CAT A or CAT B airport
Planned Fuel = Sufficient to complete planned operation

Question 19

What are the Critical Fuel Scenarios?

Answer 19

• OEI;
• Depressurised; and
• OEI and** Depressurised**.

Question 20

What are the Diversion Profiles?

Answer 20

The Diversion Profile is defined as:
* Descent to the required diversion altitude;
* Cruise at the AFM speeds;
* Descent to 1500 feet above the EDTO Alternate; and
* Approach and landing.

Question 21

What are the Minimum Requirements for Dispatch?

Answer 21

“SAMMI”

1. Aircraft is serviceable; and
2. Valid Airways Clearance; and
3. Minimum DP Data fuel Requirements are met; and
4. Specified minimum fuel onboard; and
5. In-flight Fuel requirements can be met.

Question 22

What are the in-flight EDTO fuel requirements?
(CH 14)

Answer 22

• Normal in-flight fuel monitoring, as per Section 16 – Fuel, applies.
• EDTO planning is fundamentally a Pre-Flight activity and there is no requirement to divert if the FOB is below the predicted fuel remaining at the CPE.

What are the normal requirements…..?
TCHAFO
Tanks Can Hold All Fuel Mandated

• • Trip Fuel to a Category A or B Airport;
• Contingency Fuel;
• Holding Fuel, when required; and
• Arrival or Approach Allowance;
• Final Reserve Fuel;
• Other mandated fuel requirements, e.g. CDL/MEL requirements.

Question 23

What are the normal In-Flight Fuel Requirements?

Answer 23

TCHAFO
Tanks Can Hold All Fuel Mandated

• • Trip Fuel to a Category A or B Airport;
• Contingency Fuel;
• Holding Fuel, when required; and
• Arrival or Approach Allowance;
• Final Reserve Fuel;
• Other mandated fuel requirements, e.g. CDL/MEL requirements.

Question 25

A330 LMC Parameters?

Answer 25

• maximum traffic load LMC is 700 kg.
• maximum fuel LMC is:
• trim tank ± 200 kg
• total fuel ± 1000 kg
• centre tank fuel not included up to 750 kg
• total therefore = 1 750 kg including centre tank fuel

Question 26

Fuel Quantity Check - Discrepancy Tolerance

Answer 26

1 000 kg

Question 27

APU Burn

Answer 27

200 kg / hr

(CH 21)

Question 28

Magna Stick Discrepancies

Answer 28

±1000 kg of total fuel loaded by gauge compared to total fuel by MLIs

(CH 21)