Flight Planning Definitions
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Specific Range SR
Measure of Efficiency expressed as ratio of distance per unit of fuel consumed
Specific Air Range
Specific Ground Range
FMC uses it to optimise performance calculations
Equivalent Still Air Distance
Performance Deterioration Allowance
Extra fuel added to total fuel to account for worn A/C.
PDA is applied to ALL facets of the fuel calculation as is included in the individual fuel figures and not as a separate percentage
Def Contingency Fuel
what percentage is it for the exam A/C?
A percentage fuel allowance to allow for in flight contingencies including Meteorological, navigational, and operational.
2% of the A-B B-C fuel for the 767-300
Def "Instrument Approach Fuel"
Fuel to fly from 1500ft overhead the airfield during the approach down to minimum alt on the approach
Def "Burn off Fuel"
- A to B
- Fuel for instrument approach
- Departure/Arrival allowences
Diversion fuel B-C
- Fuel from minimum altitude on the approach at B,
- Fly the missed approach procedure to 1500ft
- Climb and cruise
- Arrival overhead C at 1500ft
Approach and Landing fuel
Visual flight from 1500ft overhead to the end of the landing roll
Fixed Fuel Reserve
- 30mins and holding speed
- 1500ft overhead airfield
In ordinary procedures this remains on board until completion of landing
ISA temp drops by how much per 1000ft?
What is the ISA tropopause Temp and height?
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