PAGE 1 000 B000000 12/31/2002 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 BLACKROCK INS. MUN. 2008 TRM TRUST INC. 001 B000000 811-06721 001 C000000 6092827477 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 012 A000001 EQUISERVE TRUST COMPANY, N.A. (COMMON) 012 B000001 85-11340 012 C010001 CANTON 012 C020001 MA 012 C030001 02021 012 A000002 DELETE 013 A000001 DELOITTE & TOUCHE LLP 013 B010001 BOSTON PAGE 2 013 B020001 MA 013 B030001 02116 014 A000001 BLACKROCK INVESTMENTS, INC. 014 B000001 8-048436 014 A000002 NORTHERN FUND DISTRIBUTORS, LLC 014 B000002 8-051242 014 A000003 PNC CAPITAL MARKETS, INC. 014 B000003 8-032493 014 A000004 J.J.B. HILLIARD W.L. LYONS, INC. 014 B000004 8-033133 014 A000005 PFPC DISTRIBUTORS, INC. 014 B000005 8-045467 014 A000006 OFFIT FUND DISTRIBUTOR, INC. 014 B000006 8-046960 014 A000007 ABN AMRO DISTRIBUTION SERVICES (USA), INC. 014 B000007 8-052396 014 A000008 BLACKROCK DISTRIBUTORS, INC. 014 B000008 8-048775 015 A000001 STATE STREET BANK AND TRUST COMPANY 015 B000001 C 015 C010001 NORTH QUINCY 015 C020001 MA 015 C030001 02171 015 E010001 X 015 A000002 PRUDENTIAL SECURITIES, INC. 015 B000002 C 015 C010002 SPRING LAKE 015 C020002 NJ 015 C030002 07762 015 C040002 1443 015 E020002 X 015 A000003 JPMORGAN CHASE 015 B000003 C 015 C010003 NEW YORK 015 C020003 NY 015 C030003 10041 015 E060003 X 018 000000 Y 019 A000000 Y 019 B000000 46 019 C000000 BLACKROCKF 020 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 020 B000001 13-5674085 020 C000001 6 020 A000002 PRUDENTIAL SECURITIES, INC. 020 B000002 22-2347336 020 C000002 0 020 C000003 0 020 C000004 0 020 C000005 0 020 C000006 0 PAGE 3 020 C000007 0 020 C000008 0 020 C000009 0 020 C000010 0 021 000000 6 022 A000001 STATE STREET BANK AND TRUST COMPANY 022 B000001 04-1867445 022 C000001 183000 022 D000001 158000 022 A000002 LEHMAN BROTHERS INC. 022 B000002 13-2726611 022 C000002 36376 022 D000002 20800 022 A000003 SOUTH TRUST SECURITIES INC. 022 B000003 63-0913711 022 C000003 26500 022 D000003 30500 022 A000004 SALOMON SMITH BARNEY INC. 022 B000004 13-3082694 022 C000004 29662 022 D000004 0 022 A000005 UBS PAINEWEBBER INC. 022 B000005 13-3873456 022 C000005 23534 022 D000005 3000 022 A000006 A.G. EDWARDS & SONS, INC. 022 B000006 43-0895447 022 C000006 15162 022 D000006 5000 022 A000007 RBC DAIN RAUSCHER INC. 022 B000007 41-1416330 022 C000007 20006 022 D000007 0 022 A000008 MORGAN STANLEY DEAN WITTER & CO. 022 B000008 13-2655998 022 C000008 15605 022 D000008 0 022 A000009 BEAR, STEARNS & CO. INC. 022 B000009 13-3604093 022 C000009 13819 022 D000009 0 022 A000010 J.P. MORGAN SECURITES INC. 022 B000010 13-3379014 022 C000010 12116 022 D000010 0 023 C000000 431103 023 D000000 235339 024 000000 N 026 A000000 N 026 B000000 N 026 C000000 N PAGE 4 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 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 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 Y 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y PAGE 5 054 N000000 N 054 O000000 N 055 A000000 Y 055 B000000 N 056 000000 Y 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 2.8 062 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 148.9 062 P000000 0.0 062 Q000000 0.0 062 R000000 5.2 063 A000000 0 063 B000000 5.3 064 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 Y 070 F010000 N 070 F020000 N 070 G010000 Y PAGE 6 070 G020000 N 070 H010000 N 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 N 070 K010000 Y 070 K020000 Y 070 L010000 N 070 L020000 N 070 M010000 N 070 M020000 N 070 N010000 Y 070 N020000 N 070 O010000 Y 070 O020000 Y 070 P010000 Y 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 Y 070 R020000 N 071 A000000 171078 071 B000000 199722 071 C000000 730839 071 D000000 23 072 A000000 12 072 B000000 38953 072 C000000 0 072 D000000 0 072 E000000 0 072 F000000 2588 072 G000000 739 072 H000000 0 072 I000000 27 072 J000000 154 072 K000000 0 072 L000000 73 072 M000000 70 072 N000000 32 072 O000000 0 072 P000000 0 072 Q000000 0 072 R000000 52 072 S000000 71 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 775 072 X000000 4581 PAGE 7 072 Y000000 0 072 Z000000 34372 072AA000000 2687 072BB000000 0 072CC010000 11516 072CC020000 0 072DD010000 25058 072DD020000 0 072EE000000 1196 073 A010000 0.7950 073 A020000 0.0000 073 B000000 0.0369 073 C000000 0.0000 074 A000000 865 074 B000000 0 074 C000000 13140 074 D000000 713938 074 E000000 0 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 25000 074 J000000 0 074 K000000 0 074 L000000 10283 074 M000000 86 074 N000000 763312 074 O000000 11207 074 P000000 284 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 1309 074 S000000 271122 074 T000000 479390 074 U010000 27207 074 U020000 0 074 V010000 17.62 074 V020000 0.00 074 W000000 0.0000 074 X000000 692 074 Y000000 0 075 A000000 0 075 B000000 468417 076 000000 16.58 077 A000000 Y 077 B000000 Y 077 Q010000 N 077 Q020000 Y 077 Q030000 Y PAGE 8 078 000000 N 080 A000000 VIGILANT INSURANCE COMPANY 080 C000000 30000 081 A000000 Y 081 B000000 43 082 A000000 Y 082 B000000 25 083 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 STOCK 087 A020000 09247K109 087 A030000 BRM 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 Y SIGNATURE MARY KELLERMANN TITLE ACCOUNTING MANAGER