American Airlines All firms engaged in activities as a tactical entity will, in some form or another, attempt to get a handle on expected demand for their products within a certain future time period such as a week, month, quarter or year. This is a tactical environment and, aside from any earth shattering new developments or shocks to the existing environment, forecasts for expected demand/maximum-likelihood share of market may be made with a fair …showed first 75 words of 2395 total…

…showed last 75 words of 2395 total…and previous month's schedules (from various databases) and optimization techniques in order to develop the set of trip pairings, which would adequately cover all scheduled flights for the upcoming month within FAA and union work guidelines. The trip pairing process is made even more onerous because American Airlines operates several fleets of different aircraft and most pilots are trained to fly only one type. The following diagram illustrates the requirements for a crew assignment system.