CategoryNumber Category 0. Juniors 0.10 Juniors - Pre-teen (12 and younger) 0.20 Juniors - Teen (13 to 18) I. Aircraft I.100 Aircraft - Biplanes (and all others that are predominantly fabric, struts, and rigging) - All scales I.110 Aircraft - Small, Prop & Turbo Prop, Single engine, or Glider - 1/51 and smaller I.115 Aircraft - Small, Prop & Turbo Prop, Single engine, or Glider - 1/50 and larger I.120 Aircraft - Large, Prop, Turbo Prop, Glider, or Multi-Engine - 1/51 and smaller I.125 Aircraft - Large, Prop, Turbo Prop, Glider, or Multi-Engine - 1/50 and larger I.130 Aircraft - Single Engine Jet - 1/51 and smaller I.135 Aircraft - Single Engine Jet - 1/50 and larger I.140 Aircraft - Multi-Engine Jet - 1/51 and smaller I.145 Aircraft - Multi-Engine Jet - 1/50 and larger I.150 Aircraft - Rotary Wing (civil or military, all eras) 1/51 and smaller I.155 Aircraft - Rotary Wing (civil or military, all eras) 1/50 and larger I.160 Aircraft - Civil, Sport, Racing, and Airships (all types, all scales & eras) I.165 Aircraft - Civil, Sport, Racing, and Airships (all types, all scales & eras) I.170 Aircraft - Airliners - 1/144 and smaller I.175 Aircraft - Airliners - 1/143 and larger II. Military Vehicles II.200 Military Vehicles - Closed-Top AFVs (including tanks, assault guns, and self-propelled guns) - 1/50 & larger - through Korea II.205 Military Vehicles - Closed-Top AFVs (including tanks, assault guns, and self-propelled guns) - 1/50 & larger -Post-Korea II.220 Military Vehicles - Open-top AFVs and AFVs with Interiors, 1/50 & Larger, Axis AFVs II.225 Military Vehicles - Open-top AFVs and AFVs with Interiors, 1/50 & Larger, Allied AFVs II.230 Military Vehicles - Armored Cars and Armored half-tracks (All eras) - 1/51 & smaller II.235 Military Vehicles - Armored Cars and Armored half-tracks (All eras) - 1/50 & larger II.240 Military Vehicles - Soft-skinned - 1/51 & smaller II.245 Military Vehicles - Soft-skinned - 1/50 & larger II.250 Military Vehicles - Artillery Pieces (includeing Missiles & Railroad Guns, but excluding Limbers & Prime-Movers), all pieces, all scales II.260 Military Vehicles - Fully Tracked (small scale, all types), 1/51 & smaller, through Korea II.265 Military Vehicles - Fully Tracked (small scale, all types), 1/51 & smaller, post-Korea II.270 Military Vehicles - Other (not specified by other Military Vehicles Categories (all scales, all types, all eras) III. Figures III.300 Figures - Dismounted & Mounted (all eras), 53mm & smaller III.310 Figures - Dismounted - All eras, 54mm & larger III.320 Figures - Mounted or With Mount, 54mm & larger III.330 Figures - Conversions & Scratch-Built, All Scales & Eras CategoryNumber Category III.340 Figures - Fantasy, All entries III.350 Figures - Science Fiction, All entries III.360 Figures - Busts, All entries III.370 Figures - Flat - All Entries IV. Ships IV.400 Ships - Aircraft Carriers - All Entries IV.410 Ships - Battleships, Battlecruisers, & Cruisers - All Entries IV.420 Ships - Commercial Ships (cargo vessles, cruise ships, & ocean liners) - All Entries IV.430 Ships - Sailing - All Entries IV.440 Ships - Submarines - entries IV.450 Ships - Boats, Speedboats, Motor Torpedo Boats, Motor Patrol Boats - All Entries V. Automotive V.500 Automotive - Factory Stock - All Entries V.510 Automotive - Hot Rods, Street Rods, & Street Machines (1/20 and smaller, all eras) V.520 Automotive - Customs (All scales, all entries), 1/20 & smaller V.530 Automotive - Competition Vehicles All scales V.540 Automotive - Documented Replicas - All Entries, all scales V.550 Automotive - Curbside - All Entries, all scales V.560 Automotive - Commercial Vehicles - All Entries, all scales V.570 Automotive - Motorcycles - All Entries, all scales V.580 Automotive - Automotive Technology and Culture - All Other entries, all scales VI. Space & Science Fiction Vehicles VI.600 Space & Science Fiction Vehicles - Real Space, Missiles, & Vehicles (kits & scratch-built) - Real - All entries VI.610 Space & Science Fiction Vehicles - Real Space, Missiles, & Vehicles (kits & scratch-built) - Hypothetical - All entries VI.620 Space & Science Fiction Vehicles - Science Fiction & Fantasy Vehicles (from kits) - All entries VI.630 Space & Science Fiction Vehicles - Mecha (Gundams, robots, etc., from kits) - All entries VI.640 Space & Science Fiction Vehicles - Science Fiction & Fantasy Vehicles, Conversions & Scratch-Built - All Entries VII. Dioramas VII.710 Dioramas - Aircraft VII.720 Dioramas - Armor VII.730 Dioramas - Figures VII.740 Dioramas - Ships - All entries VII.750 Dioramas - Automotive - All entries VII.760 Dioramas - Science Fiction - All entries VII.770 Dioramas - Miscellaneous Dioramas - Not specified by any other diorama category VIII. Miscelaneous VIII.800 Miscellaneous - Dinosaurs - All entries CategoryNumber Category VIII.810 Miscellaneous - Humor in Modeling - All entries VIII.820 Miscellaneous - Hypothetical (other than Science Fiction) - Kit-Based (spurious markings on a standard kit) VIII.825 Miscellaneous - Hypothetical (other than Science Fiction) - Kit-Bashed/Scratch-Built VIII.830 Miscellaneous - Triathlon (models from three different classes) VIII.840 Miscellaneous - Collections (5 or more closely related items) VIII.850 Miscellaneous - IPMS Chapter / Group Entry VIII.860 Miscellaneous - Miscellaneous (all entries not represented by any other category)
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