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Module 5 ATEM
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Module 5 ATEM
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What is hub-and-spoke scheduling?
Centralized flight operations with a main hub connecting various spokes.
Advantages of hub-and-spoke systems?
Increased city-pair coverage, strong load factors, and lower costs.
Disadvantages of hub-and-spoke systems?
Congestion delays, higher operating costs, and environmental impacts.
What is the multiplier effect of hub connections?
Expands the number of city-pairs served with the same flight mileage.
How does a carrier dominate a hub?
By establishing a solid network of spokes, making it challenging for competitors.
Benefits of hubbing for travelers?
Lower airfares, access to large and small cities, and frequent flights.
What is congestion delay in hub airports?
Rapidly increasing delays as aircraft volume approaches airport capacity.
How does hub concentration affect baggage handling?
Short connecting times lead to high mishandled baggage expenses.
What are the limitations of DOT data in airline scheduling?
Data accuracy issues, limited flight details, and delayed availability.
What role do computer programs play in airline scheduling?
Aid in complex scheduling tasks, considering various operational constraints.
Why were aircraft replacements simpler pre-deregulation?
Stable business, predictable costs, and regular re-equipment cycles.
How did deregulation change fleet decisions?
Increased competition, focus on cost efficiency, and entry of nonunion carriers.
Influence of hub-and-spoke systems on lift capacity?
Favors smaller aircraft with shorter full-payload ranges.
What is the trend toward leasing in the airline industry?
Increased popularity due to tax law changes, accounting for over half of acquisitions.
Characteristics of an operating lease?
Noncancelable short-term lease, lessor retains full title, and lessee shows no debt.
Impact of consolidation on fleet rationalization?
Reduction of aircraft types, increased interdependence, and potential for longer depreciation periods.
Significance of fleet commonality in aircraft purchases?
Enhances operational flexibility, cost-effectiveness, and type-rating requirements.
Factors considered in fleet planning?
Fuel prices, used aircraft availability, resale value, interest rates, and labor costs.
Role of noise restrictions in replacing older aircraft?
Higher noise levels contribute to consideration for newer, quieter models.
Why is the trend toward larger aircraft in demand?
To bypass congested hubs and provide point-to-point service, reducing delays.
Why is the trend toward larger aircraft in demand?
To bypass congested hubs and provide point-to-point service, reducing delays.
How has the hub-and-spoke system influenced the variety of aircraft needed by airlines?
Airlines serving more varied markets require a wider variety of aircraft.
What is a significant impact of consolidation on the airline industry's fleet rationalization?
Proliferation of specific aircraft types operated by carriers, leading to a need for fleet rationalization.
How does consolidation impact the behavior of the airline industry under conditions of oligopoly?
It may lead to tacit understandings on fare levels and structures, with greater emphasis on service differentiation.
What is the main reason for purchasing aircraft in large numbers?
Fleet commonality, enhancing operational flexibility and cost-effectiveness.
How has the trend toward leasing impacted the financing choices of airlines?
Leasing became more popular due to tax law changes, accounting for over half of all aircraft acquisitions by 2006.
What are some characteristics of an operating lease?
Noncancelable short-term lease, lessor retains full title, and the lessee shows no debt on its books.
Why did leasing become more attractive in the late 1980s?
Changes in tax laws, including the elimination of investment tax credits and reduced allowable deductions for depreciation.
What has been a significant effect of consolidation and fleet rationalization on aircraft replacement cycles?
Aircraft tend to stay in fleets longer, extending replacement cycles and potentially limiting the frequency of new aircraft introductions.
What role does noise restrictions play in the decision to replace older aircraft?
Higher noise levels of older planes contribute to their consideration for replacement by newer, quieter models.
