PAGE 1 000 B000000 12/31/2001 000 C000000 0000889430 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 THE BLACKROCK INS. MUN. 2008 TRM TRUST INC. 001 B000000 811-6721 001 C000000 8002277236 002 A000000 100 BELLEVUE PARKWAY 002 B000000 WILMINGTON 002 C000000 DE 002 D010000 19809 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 007 C010200 2 007 C010300 3 007 C010400 4 007 C010500 5 007 C010600 6 007 C010700 7 007 C010800 8 007 C010900 9 007 C011000 10 008 A000001 BLACKROCK ADVISORS, INC. 008 B000001 A 008 C000001 801-47710 008 D010001 WILMINGTON 008 D020001 DE 008 D030001 19809 010 A000001 PRINCETON ADMINISTRATORS, L.P. 010 C010001 PRINCETON 010 C020001 NJ 010 C030001 08543 010 C040001 9095 011 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 011 B000001 8-7221 011 C010001 NEW YORK 011 C020001 NY 011 C030001 10281 011 C040001 1201 011 A000002 EDWARDS (A.G.) & SONS, INC. 011 B000002 8-13580 PAGE 2 011 C010002 ST. LOUIS 011 C020002 MO 011 C030002 63103 011 A000003 RAYMOND JAMES & ASSOCIATES, INC. 011 B000003 8-10999 011 C010003 ST. PETERSBURG 011 C020003 FL 011 C030003 33716 011 A000004 OPPENHEIMER & CO., INC. 011 B000004 8-42433 011 C010004 NEW YORK 011 C020004 NY 011 C030004 10281 011 A000005 PAINEWEBBER INCORPORATED 011 B000005 8-16267 011 C010005 NEW YORK 011 C020005 NY 011 C030005 10019 011 A000006 PRUDENTIAL SECURITIES INCORPORATED 011 B000006 8-27154 011 C010006 NEW YORK 011 C020006 NY 011 C030006 10292 011 A000007 ADVEST, INC. 011 B000007 8-21409 011 C010007 HARTFORD 011 C020007 CT 011 C030007 06103 011 A000008 FIRST ALBANY CORPORATION 011 B000008 8-2018 011 C010008 ALBANY 011 C020008 NY 011 C030008 12207 011 A000009 GRUNTAL & CO. INCORPORATED 011 B000009 8-31022 011 C010009 NEW YORK 011 C020009 NY 011 C030009 10005 011 A000010 KEMPER SECURITIES, INC. 011 B000010 8-37180 011 C010010 CHICAGO 011 C020010 IL 011 C030010 60603 011 A000011 LEGG MASON WOOD WALKER, INCORPORATED 011 B000011 8-15939 011 C010011 BALTIMORE 011 C020011 MD 011 C030011 21202 011 A000012 MORGAN KEEGAN & COMPANY, INC. 011 B000012 8-15001 011 C010012 MEMPHIS PAGE 3 011 C020012 TN 011 C030012 38103 011 A000013 RAYMOND JAMES & ASSOCIATES, INC. 011 B000013 8-00000 011 C010013 ST. PETERSBURG 011 C020013 FL 011 C030013 33716 012 A000001 EQUISERVE TRUST COMPANY, NA (COMMON) 012 B000001 84-05601 012 C010001 CANTON 012 C020001 MA 012 C030001 02021 012 A000002 DEUTSCHE BANK (PREFERRED) 012 B000002 84-00 012 C010002 NEW YORK 012 C020002 NY 012 C030002 10006 013 A000001 DELOITTE & TOUCHE LLP 013 B010001 BOSTON 013 B020001 MA 013 B030001 02116 014 A000001 PNC BROKERAGE CORP 014 B000001 8-46315 014 A000002 PROVIDENT ADVISORS 014 B000002 8-48436 014 A000003 PNC CAPITAL MARKETS 014 B000003 8-32493 014 A000004 J.J.B. HILLIARD W LYONS 014 B000004 8-33133 014 A000005 PROFESSIONAL FUND DISTRIBUTORS, INC. 014 B000005 8-50342 015 A000001 STATE STREET BANK AND TRUST COMPANY 015 B000001 C 015 C010001 NORTH QUINCY 015 C020001 MA 015 C030001 02171 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 32 019 C000000 BLACKROCKX 020 C000001 0 020 C000002 0 020 C000003 0 020 C000004 0 020 C000005 0 020 C000006 0 020 C000007 0 020 C000008 0 020 C000009 0 020 C000010 0 PAGE 4 021 000000 0 022 A000001 STATE STREET BANK AND TRUST COMPANY 022 B000001 04-1867445 022 C000001 16300 022 D000001 12100 022 A000002 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 022 B000002 13-5674085 022 C000002 7990 022 D000002 5985 022 A000003 FIRST ALBANY CORPORATION 022 B000003 14-1391446 022 C000003 8919 022 D000003 0 022 A000004 BANC OF AMERICA SECURITIES LLC 022 B000004 56-2058405 022 C000004 6500 022 D000004 0 022 A000005 LEHMAN BROTHERS INC. 022 B000005 13-2518466 022 C000005 5000 022 D000005 0 022 A000006 UBS PAINEWEBBER INC. 022 B000006 13-2638166 022 C000006 2761 022 D000006 1800 022 A000007 FISERV SECURITIES, INC. 022 B000007 23-2257761 022 C000007 4000 022 D000007 0 022 A000008 CREDIT SUISSE FIRST BOSTON CORPORATION 022 B000008 13-5659485 022 C000008 3171 022 D000008 0 022 A000009 GOLDMAN, SACHS & CO. 022 B000009 13-5108880 022 C000009 2995 022 D000009 0 022 A000010 BEAR, STEARNS & CO. INC. 022 B000010 13-3299429 022 C000010 2993 022 D000010 0 023 C000000 66807 023 D000000 19885 024 000000 N 026 A000000 N 026 B000000 Y 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N PAGE 5 026 G020000 N 026 H000000 N 027 000000 N 045 000000 Y 046 000000 N 047 000000 Y 048 000000 0.350 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 N 053 A000000 N 054 A000000 Y 054 B000000 Y 054 C000000 Y 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 N 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 055 A000000 N 055 B000000 N 056 000000 Y PAGE 6 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 Y 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 062 E000000 2.5 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.0 062 M000000 0.0 062 N000000 0.0 062 O000000 158.0 062 P000000 0.0 062 Q000000 0.0 062 R000000 0.0 063 A000000 0 063 B000000 6.9 064 A000000 Y 064 B000000 N 066 A000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 N 070 B010000 N 070 B020000 N 070 C010000 Y 070 C020000 N 070 D010000 N 070 D020000 N 070 E010000 Y 070 E020000 N 070 F010000 N 070 F020000 N 070 G010000 Y 070 G020000 N 070 H010000 N 070 H020000 N 070 I010000 N 070 I020000 N PAGE 7 070 J010000 Y 070 J020000 N 070 K010000 Y 070 K020000 N 070 L010000 N 070 L020000 N 070 M010000 N 070 M020000 N 070 N010000 Y 070 N020000 N 070 O010000 Y 070 O020000 N 070 P010000 Y 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 Y 070 R020000 N 071 A000000 32117 071 B000000 25081 071 C000000 726314 071 D000000 3 072 A000000 12 072 B000000 40860 072 C000000 0 072 D000000 0 072 E000000 0 072 F000000 2559 072 G000000 733 072 H000000 0 072 I000000 748 072 J000000 132 072 K000000 0 072 L000000 83 072 M000000 78 072 N000000 33 072 O000000 0 072 P000000 0 072 Q000000 0 072 R000000 40 072 S000000 39 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 216 072 X000000 4661 072 Y000000 0 072 Z000000 36199 072AA000000 188 072BB000000 0 072CC010000 0 PAGE 8 072CC020000 2296 072DD010000 21642 072DD020000 0 072EE000000 126 073 A010000 0.7950 073 A020000 0.0000 073 B000000 0.0046 073 C000000 0.0000 074 A000000 2455 074 B000000 0 074 C000000 11400 074 D000000 722329 074 E000000 0 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 890 074 K000000 0 074 L000000 10640 074 M000000 72 074 N000000 747786 074 O000000 17041 074 P000000 210 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 2465 074 S000000 271000 074 T000000 457070 074 U010000 27207 074 U020000 0 074 V010000 16.80 074 V020000 0.00 074 W000000 0.0000 074 X000000 21662 074 Y000000 0 075 A000000 0 075 B000000 460153 076 000000 15.70 077 A000000 Y 077 B000000 Y 078 000000 N 080 A000000 VIGILANT INSURANCE COMPANY 080 B000000 GULF INSURANCE CO. AND FEDERAL INSURANCE CO. 080 C000000 20000 081 A000000 Y 081 B000000 32 082 A000000 N 082 B000000 0 PAGE 9 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 086 A020000 0 086 B010000 0 086 B020000 0 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 COMMON 087 A020000 09247K0 087 A030000 BRM 087 B010000 PREFERRED SERIES R28 087 B020000 09220K9 087 C010000 PREFERRED SERIES R7 087 C020000 09230K7 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 Y SIGNATURE MARY KELLERMANN TITLE ACCOUNTING MANAGER