<ARTICLE> 6 <CIK> 0000764860 <NAME> FLAGSHIP MISSOURI DOUBLE TAX EXEMPT FUND <SERIES> <NUMBER> 121 <NAME> CLASS A <MULTIPLIER> 1 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> MAY-31-1996 <PERIOD-START> JUN-01-1995 <PERIOD-END> MAY-31-1996 <INVESTMENTS-AT-COST> 211,194,012 <INVESTMENTS-AT-VALUE> 216,806,785 <RECEIVABLES> 5,087,521 <ASSETS-OTHER> 11,856 <OTHER-ITEMS-ASSETS> 0 <TOTAL-ASSETS> 221,906,162 <PAYABLE-FOR-SECURITIES> 0 <SENIOR-LONG-TERM-DEBT> 0 <OTHER-ITEMS-LIABILITIES> 2,969,701 <TOTAL-LIABILITIES> 2,969,701 <SENIOR-EQUITY> 0 <PAID-IN-CAPITAL-COMMON> 217,908,015 <SHARES-COMMON-STOCK> 20,244,922 <SHARES-COMMON-PRIOR> 19,126,759 <ACCUMULATED-NII-CURRENT> 0 <OVERDISTRIBUTION-NII> 0 <ACCUMULATED-NET-GAINS> (4,584,327) <OVERDISTRIBUTION-GAINS> 0 <ACCUM-APPREC-OR-DEPREC> 5,612,773 <NET-ASSETS> 218,936,461 <DIVIDEND-INCOME> 0 <INTEREST-INCOME> 13,429,637 <OTHER-INCOME> 0 <EXPENSES-NET> (1,719,610) <NET-INVESTMENT-INCOME> 11,710,027 <REALIZED-GAINS-CURRENT> 1,089,042 <APPREC-INCREASE-CURRENT> (5,482,503) <NET-CHANGE-FROM-OPS> 7,316,566 <EQUALIZATION> 0 <DISTRIBUTIONS-OF-INCOME> (11,560,299) <DISTRIBUTIONS-OF-GAINS> 0 <DISTRIBUTIONS-OTHER> 0 <NUMBER-OF-SHARES-SOLD> 2,711,275 <NUMBER-OF-SHARES-REDEEMED> (2,194,192) <SHARES-REINVESTED> 601,080 <NET-CHANGE-IN-ASSETS> 7,627,746 <ACCUMULATED-NII-PRIOR> 0 <ACCUMULATED-GAINS-PRIOR> (5,673,369) <OVERDISTRIB-NII-PRIOR> 0 <OVERDIST-NET-GAINS-PRIOR> 0 <GROSS-ADVISORY-FEES> 1,092,915 <INTEREST-EXPENSE> 0 <GROSS-EXPENSE> 2,355,826 <AVERAGE-NET-ASSETS> 217,985,911 <PER-SHARE-NAV-BEGIN> 10.72 <PER-SHARE-NII> 0.58 <PER-SHARE-GAIN-APPREC> (0.21) <PER-SHARE-DIVIDEND> (0.58) <PER-SHARE-DISTRIBUTIONS> 0.00 <RETURNS-OF-CAPITAL> 0.00 <PER-SHARE-NAV-END> 10.51 <EXPENSE-RATIO> 0.80 <AVG-DEBT-OUTSTANDING> 388,300 <AVG-DEBT-PER-SHARE> 0.02