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File No. 33-56314
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549-1004
POST-EFFECTIVE
AMENDMENT NO. 6
TO
FORM S-6
For Registration Under the Securities Act of 1933 of Securities
of Unit Investment Trusts Registered on Form N-8B-2
THE FIRST TRUST SPECIAL SITUATIONS TRUST, SERIES 51
(Exact Name of Trust)
NIKE SECURITIES L.P.
(Exact Name of Depositor)
1001 Warrenville Road
Lisle, Illinois 60532
(Complete address of Depositr's principal executive offices)
NIKE SECURITIES L.P. CHAPMAN AND CUTLER
Attn: James A. Bowen Attn: Eric F. Fess
1001 Warrenville Road 111 West Monroe Street
Lisle, Illinois 60532 Chicago, Illinois 60603
(Name and complete address of agents for service)
It is proposed that this filing will become effective (check
appropriate box)
:____: immediately upon filing pursuant to paragraph (b)
:__X_: November 30, 1999
:____: 60 days after filing pursuant to paragraph (a)
:____: on (date) pursuant to paragraph (a) of rule (485 or
486)
CONTENTS OF POST-EFFECTIVE AMENDMENT
OF REGISTRATION STATEMENT
This Post-Effective Amendment of Registration Statement
comprises the following papers and documents:
The facing sheet
The purpose of the Amendment
The signatures
THE PURPOSE OF THE AMENDMENT
The purpose of this amendment is to terminate the
declaration made pursuant to Rule 24f-2 promulgated under the
Investment Company Act of 1940, as amended, because Units of The
First Trust Special Situations Trust, Series 51 are no longer
being offered for sale in the secondary market. A final Rule 24f-
2 Notice with respect to such series has been filed concurrently
with this filing.
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SIGNATURES
Pursuant to the requirements of the Securities Act of 1933,
the Registrant, The First Trust Special Situations Trust, Series
51, certifies that it meets all of the requirements for
effectiveness of this Registration Statement pursuant to Rule
485(b) under the Securities Act of 1933 and has duly caused this
Post-Effective Amendment of its Registration Statement to be
signed on its behalf by the undersigned thereunto duly authorized
in the Village of Lisle and State of Illinois on November 30,
1999.
THE FIRST TRUST SPECIAL SITUATIONS
TRUST, SERIES 51
(Registrant)
ByNIKE SECURITIES L.P.
(Depositor)
ByRobert M. Porcellino
Senior Vice President
Pursuant to the requirements of the Securities Act of 1933,
this Post-Effective Amendment of Registration Statement has been
signed below by the following person in the capacity and on the
date indicated:
Signature Title* Date
David J. Allen Sole Director of )
Nike Securities )
Corporation, the )
General Partner ) November 30, 1999
of Nike Securities L.P. )
)
)
)Robert M. Porcellino
)Attorney-in-Fact**
* The title of the person named herein represents his capacity
in and relationship to Nike Securities L.P., the Depositor.
** An executed copy of the related power of attorney was filed
with the Securities and Exchange Commission in connection
with Amendment No. 1 to Form S-6 of The First Trust Special
Situations Trust, Series 18 (File No. 33-42683) and the same
is hereby incorporated herein by this reference.
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CONSENT OF INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption
"Experts" and to the use of our report dated November 5, 1999 in
this Post-Effective Amendment to the Registration Statement and
related Prospectus of The First Trust Special Situations Trust
dated November 24, 1999.
ERNST & YOUNG LLP
Chicago, Illinois
November 23, 1999
