the economic impact of general aviation in texas prepared for department transportation june 2003 by wilbur smith associates inc 6600 clough pike cincinnati ohio 45244 513 233 3700 www wilbursmith com with hicks & company austin tx table contents i list tables ii exhibits iii introduction 1 population gross state product and employment 3 methodology 4 16 commercial air service 23 qualitative benefits 24 business use airports 25 conclusions 30 appendix a individual airport detail b september 11 2001 occupation industry 2 operations 14 estimated visitor expenditures total weighted average multipliers 5 on tenant 18 6 19 7 8 payroll 20 9 10 21 output 12 22 13 passengers 15