<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