FORM OF SECTION 906 CERTIFICATION

                            SECTION 906 CERTIFICATION


Pursuant to 18 U.S.C. ss. 1350, the undersigned officer of BlackRock High Yield
Trust (the "Company"), hereby certifies, to the best of his knowledge, that the
Company's Report on Form N-CSR for the period ended 04/30/03 (the "Report")
fully complies with the requirements of Section 13(a) or 15(d), as applicable,
of the Securities Exchange Act of 1934 and that the information contained in the
Report fairly presents, in all material respects, the financial condition and
results of operations of the Company.


Dated:      06/30/03
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/s/ Robert S. Kapito
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Name:  Robert S. Kapito
Title: Principal Executive Officer



/s/ Henry Gabbay
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Name:  Henry Gabbay
Title: Principal Financial Officer


A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to the registrant and will be
retained by the registrant and furnished to the Securities and Exchange
Commission or its staff upon request.