94 Fuel Management 2

Question 1

Why fuel management

Answer 1

To ensure there is enough fuel to complete mission
To spot fuel leaks early
To check that aircraft fuel consumption matches predicted consumption
To be aware of fuel remaining in order to respond quickly to diversions or re-tasking

Question 2

Specific Air Range

Answer 2

SAR is a measure of the efficiency with which an aircraft flies through the air.
= Air distance covered / Fuel used
= True air speed / Fuel flow

Question 3

Specific Ground Range

Answer 3

SGR is a measure of the efficiency with which an aircraft flies over the ground
= ground distance covered / Fuel used
= Ground speed / fuel flow

Question 4

Fuel Analysis Summary

Answer 4

Obtain fuel reading
Compare actual to expected performance
Compare flight environment to expected environment
Analyse fuel trend to determine mission impact
If required, take corrective action

Question 5

Factors that cause changes from Planned fuel burn

Answer 5

ISA conditions not as planned
Winds different from planned
Aircraft not performing to specifications
Fuel leak
Weather avoidance
ATC re-routing

Question 6

Corrective actions to fuel burn

Answer 6

Change aircraft speed to LRC – fuel flow improvement
Change altitude – Wind or fuel flow improvement
Change alternate – smaller fuel pedestal
Change route – shorter route more fuel
Change destination – stop early and refuel