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The cost index is calculated by dividing the per-hour cost of operating the plane by the cost of fuel. [3] [4] Generally a cost index of 999 gives ECON speeds as fast as possible without consideration of fuel and a cost index of zero gives maximum fuel economy while disregarding other hourly costs such as maintenance and crew expenses.
Instead, the speed for most economical operation (ECON) is adjusted for wind and the cost index (CI), which is the ratio of time cost to fuel cost. A higher cost index results in a higher ECON speed. Cost index can be given in "Boeing" or "English" units as ($/hr)/(cents/lb), equivalent to 100 lb/hr. A typical cost index in these units might be ...
Cost per ASM / ASK (CASM / CASK) Seat cost and trip cost for widebodies. CASM (or CASK) is a commonly used measure of unit cost in the airline industry. CASM is expressed in cents to operate each seat mile offered, and is determined by dividing operating costs by ASMs.
Flight planning is the process of producing a flight plan to describe a proposed aircraft flight. It involves two safety-critical aspects: fuel calculation, to ensure that the aircraft can safely reach the destination, and compliance with air traffic control requirements, to minimise the risk of midair collision.
Aircraft bluebook. An aircraft bluebook is a bluebook (value guide) for used aircraft. There are four of these in common use within the aviation industry; Aircraft Bluebook Price Digest, Aircraft Value Reference (VREF), and Airliner Price Guide are paid-subscription publications.
A short-range aircraft (< 2,000 km, 1,100 nmi) with hybrid Fuel cell/Turbines could reduce climate impact by 70-80% for a 20-30% additional cost, a medium-range airliner with H 2 turbines could have a 50-60% reduced climate impact for a 30-40% overcost, and a long-range aircraft (> 7,000 km, 3,800 nmi) also with H 2 turbines could reduce ...
Flyaway cost is one measure of the cost of an aircraft. It values the aircraft at its marginal cost, including only the cost of production and production tools essential for building a single unit. It excludes sunk costs such as research and development, supplementary costs such as support equipment, and future costs such as spares and maintenance.
Aircraft leases are leases used by airlines and other aircraft operators. Airlines lease aircraft from other airlines or leasing companies for two main reasons: to operate aircraft without the financial burden of buying them, as well as to provide temporary increase in capacity.
As of 2020 aviation biofuel was more expensive than fossil jet kerosene, considering aviation taxation and subsidies at that time. As of a 2021 analysis, VFA-SAF break-even cost was $2.50/US gal ($0.66/L).
The average cost per hour to fly such aircraft has been estimated to be £133, compared to an estimated £77 per hour for gliders, and a reported £35 per hour for microlights.