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<PAGE> PAGE 2
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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SIGNATURE THOMAS E. JENKINS
TITLE ASSISTANT SECRETARY
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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3106913
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 30128
<OTHER-INCOME> 0
<EXPENSES-NET> 2432
<NET-INVESTMENT-INCOME> 27696
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 27696
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2398
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 51915
<NUMBER-OF-SHARES-REDEEMED> 135091
<SHARES-REINVESTED> 2394
<NET-CHANGE-IN-ASSETS> 269405
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1853
<AVERAGE-NET-ASSETS> 3067327
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .55
<FN>
<F1>PLANAHEAD CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE MONEY MARKET FUND-PLATINUM CLASS
<SERIES>
<NUMBER> 034
<NAME> AMERICAN AADVANTAGE MONEY MARKET FUND-PLATINUM CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 3096270
<RECEIVABLES> 15911
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3112181
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5268
<TOTAL-LIABILITIES> 5268
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3106913
<SHARES-COMMON-STOCK> 866041<F1>
<SHARES-COMMON-PRIOR> 841653
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3106913
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 30128
<OTHER-INCOME> 0
<EXPENSES-NET> 2432
<NET-INVESTMENT-INCOME> 27696
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 27696
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 6895
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 123716
<NUMBER-OF-SHARES-REDEEMED> 106222
<SHARES-REINVESTED> 6893
<NET-CHANGE-IN-ASSETS> 269405
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1853
<AVERAGE-NET-ASSETS> 3067327
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.00
<FN>
<F1>PLATINUM CLASS. PER SHARE AMOUNT ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-INST CLASS
<SERIES>
<NUMBER> 081
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-INST CLASS
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 84372
<RECEIVABLES> 10
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 84382
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 77
<TOTAL-LIABILITIES> 77
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 84305
<SHARES-COMMON-STOCK> 750<F1>
<SHARES-COMMON-PRIOR> 745
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 84305
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 583
<OTHER-INCOME> 0
<EXPENSES-NET> 155
<NET-INVESTMENT-INCOME> 428
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 428
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 4
<NET-CHANGE-IN-ASSETS> (7353)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 139
<AVERAGE-NET-ASSETS> 91320
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .35
<FN>
<F1>INSTITUTIONAL CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-PLANAHEAD CLASS
<SERIES>
<NUMBER> 082
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-PLANAHEAD CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 84372
<RECEIVABLES> 10
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 84382
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 77
<TOTAL-LIABILITIES> 77
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 84305
<SHARES-COMMON-STOCK> 7479<F1>
<SHARES-COMMON-PRIOR> 9795
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 84305
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 583
<OTHER-INCOME> 0
<EXPENSES-NET> 155
<NET-INVESTMENT-INCOME> 428
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 428
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 41
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3912
<NUMBER-OF-SHARES-REDEEMED> 6269
<SHARES-REINVESTED> 41
<NET-CHANGE-IN-ASSETS> (7353)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 139
<AVERAGE-NET-ASSETS> 91320
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .73
<FN>
<F1>PLANAHEAD CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-PLATINUM CLASS
<SERIES>
<NUMBER> 084
<NAME> AMERICAN AADVANTAGE MUNICIPAL MONEY MKT FUND-PLATINUM CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 84372
<RECEIVABLES> 10
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 84382
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 77
<TOTAL-LIABILITIES> 77
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 84305
<SHARES-COMMON-STOCK> 76076<F1>
<SHARES-COMMON-PRIOR> 81118
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 84305
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 583
<OTHER-INCOME> 0
<EXPENSES-NET> 155
<NET-INVESTMENT-INCOME> 428
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 428
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 383
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 28937
<NUMBER-OF-SHARES-REDEEMED> 34361
<SHARES-REINVESTED> 383
<NET-CHANGE-IN-ASSETS> (7353)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 139
<AVERAGE-NET-ASSETS> 91320
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.05
<FN>
<F1>PLATINUM CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE US GOVERNMENT MONEY MKT FUND-INST. CLASS
<SERIES>
<NUMBER> 071
<NAME> AMERICAN AADVANTAGE US GOVT. MONEY MKT. FUND-INST. CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 175820
<RECEIVABLES> 2
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 175822
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 293
<TOTAL-LIABILITIES> 293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 175529
<SHARES-COMMON-STOCK> 37385<F1>
<SHARES-COMMON-PRIOR> 32427
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 175529
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1606
<OTHER-INCOME> 0
<EXPENSES-NET> 207
<NET-INVESTMENT-INCOME> 1399
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1399
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 263
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 30565
<NUMBER-OF-SHARES-REDEEMED> 25769
<SHARES-REINVESTED> 162
<NET-CHANGE-IN-ASSETS> (1242)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 173
<AVERAGE-NET-ASSETS> 166168
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .18
<FN>
<F1>INSTITUTIONAL CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE US GOVT MONEY MKT FUND-PLANAHEAD CLASS
<SERIES>
<NUMBER> 073
<NAME> AMERICAN AADVANTAGE US GOVT MONEY MKT FUND-PLANAHEAD CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 175820
<RECEIVABLES> 2
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 175822
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 293
<TOTAL-LIABILITIES> 293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 175529
<SHARES-COMMON-STOCK> 59560<F1>
<SHARES-COMMON-PRIOR> 59960
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 175529
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1606
<OTHER-INCOME> 0
<EXPENSES-NET> 207
<NET-INVESTMENT-INCOME> 1399
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1399
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 495
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 71368
<NUMBER-OF-SHARES-REDEEMED> 71887
<SHARES-REINVESTED> 119
<NET-CHANGE-IN-ASSETS> (1242)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 173
<AVERAGE-NET-ASSETS> 166168
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .64
<FN>
<F1>PLANAHEAD CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000809593
<NAME> AMERICAN AADVANTAGE US GOVT MONEY MKT FUND-PLATINUM CLASS
<SERIES>
<NUMBER> 074
<NAME> AMERICAN AADVANTAGE US GOVT MONEY MKT FUND-PLATINUM CLASS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> OCT-31-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 175820
<RECEIVABLES> 2
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 175822
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 293
<TOTAL-LIABILITIES> 293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 175529
<SHARES-COMMON-STOCK> 78585<F1>
<SHARES-COMMON-PRIOR> 84385
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 175529
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1606
<OTHER-INCOME> 0
<EXPENSES-NET> 207
<NET-INVESTMENT-INCOME> 1399
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1399
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 641
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14212
<NUMBER-OF-SHARES-REDEEMED> 20653
<SHARES-REINVESTED> 641
<NET-CHANGE-IN-ASSETS> (1242)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 173
<AVERAGE-NET-ASSETS> 166168
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.02
<FN>
<F1>PLATINUM CLASS. PER SHARE AMOUNTS ARE BY CLASS.
</FN>
</TABLE>
ITEM 77B ACCOUNTANT'S REPORT ON INTERNAL CONTROL
To the Shareholders and
Board of Trustees of the
American AAdvantage Funds
In planning and performing our audits of the financial statements of the
American AAdvantage Funds (comprised of the Money Market, Municipal Money
Market, and the U.S. Government Money Market Funds) (collectively, the "Funds")
for the period ended December 31, 1999, we considered their internal control,
including control activities for safeguarding securities, to determine our
auditing procedures for the purpose of expressing our opinion on the financial
statements and to comply with the requirements of Form N-SAR, not to provide
assurance on internal control.
The management of the Funds is responsible for establishing and maintaining
internal control. In fulfilling this responsibility, estimates and judgments
by management are required to assess the expected benefits and related costs of
internal control. Generally, internal controls that are relevant to an audit
pertain to the Funds' objective of preparing financial statements for external
purposes that are fairly presented in conformity with generally accepted
accounting principles. Those internal controls include the safeguarding of
assets against unauthorized acquisition, use or disposition.
Because of inherent limitations in internal control, misstatements due to errors
or fraud may occur and not be detected. Also, projections of any evaluation of
internal control to future periods are subject to the risk that internal control
may become inadequate because of changes in conditions, or that the degree of
compliance with the policies or procedures may deteriorate.
Our consideration of internal control would not necessarily disclose all matters
in internal control that might be material weaknesses under standards
established by the American Institute of Certified Public Accountants. A
material weakness is a condition in which the design or operation of one or more
of the specific internal control components does not reduce to a relatively low
level the risk that errors or fraud in amounts that would be material in
relation to the financial statements being audited may occur and not be detected
within a timely period by employees in the normal course of performing their
assigned functions. However, we noted no matters involving internal control,
including control activities for safeguarding securities, and its operation that
we consider to be material weaknesses as defined above at December 31, 1999.
This report is intended solely for the information and use of management and
Board of Trustees of the Funds and the Securities and Exchange Commission and is
not intended to be and should not be used by anyone other than these specified
parties.
/s/ERNST & YOUNG LLP
Dallas, Texas
February 11, 2000
