Enclosed is data package No. 5 for review by the Task Force members. Data package No. 4 has been reviewed by the Task Force at the meeting in August 1979. All comments have been incorporated into the demand schedules presented in this data package. Estimates of yearly totals for passenger enplanements and aircraft operations are included. This data package is intended as a reference for Task Force members during the review of the results of Stage 1 experiments presented in data package No. 6. This data package encompass the following topics: Los Angeles Delay Experiments: 1978, 1982, 1987 Demand with Class Percentages; Analysis of Yearly Totals for Passenger and Aircraft Operations, and Class of Runway Demand Distributions for Arrivals and Departures.