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2020 National Contest Classes & Categories

The 2020 National Contest Classes & Categories may be downloaded here: MS Word or Adobe PDF
Updates to 2020 from the 2019 Classes & Categories are displayed in red.

In General:

Specific scale applications for each Class are listed below at the start of each Class.

Unless otherwise specified, each Category includes model subjects of all eras, types, subjects, and scales.

Split Categories:

Categories may be split into two or more sub-categories. The use and naming of splits will be based on the entries at the contest and determined by the National Contest Committee. Pre-named, pre-planned splits are listed below. All other splits will be defined at the contest. The estimated number of splits per Class are listed below. The total award packages (1st, 2nd, and 3rd place awards) will not exceed the sum of the categories, the estimated split counts listed herein, plus 5 additional award packages. For 2020, a maximum of 199 award packages may be presented. This count is exclusive of any additional overall or theme awards.


0. Juniors

14 categories – no additional splits anticipated.

Pre-Teen includes entrants through 12 years old.
Teen includes entrants 13 through 17 years old.
There are no separate Out-of-the-Box categories in the Juniors Class.

Aircraft Sponsored By:
10 Pre-teen
11 Teen John Tinay
Military Vehicles
20 Pre-teen
21 Teen Mid-Michigan Model Makers
Figures
30 Pre-teen
32 Teen
Ships
40 Pre-teen
42 Teen
Automotive
50 Pre-teen
51 Teen
Dioramas
70 Pre-teen
71 Teen
Miscellaneous (including Gundams)
80 Pre-teen
81 Teen

I. Aircraft

53 categories and pre-planned splits, plus 3 estimated additional splits.

1/144 refers to scales 1/82 and smaller.
1/72 refers to scales1/81 to1/60.
1/48 refers to scales 1/59 to 1/40.
1/32 refers to scales 1/39 and larger.
Categories 101 - 144 are for military aircraft only.
Prop Aircraft categories include aircraft driven by external propellers, and unpowered gliders.
Even-numbered Aircraft categories are Out-of-the-Box categories (per Rules II-1 & III-2).

Biplanes Sponsored By:
101 1/144 and 1/72
103-A 1/48 and 1/32
103-B 1/48 and 1/32 (Pre-Planned Split)
Small Aircraft – Single Engine, Prop
105-A 1/72: not exceeding 8.5" length or wingspan
105-B 1/72: not exceeding 8.5" length or wingspan (pre-planned split)
105-C 1/72: not exceeding 8.5" length or wingspan (pre-planned split)
105-D 1/72: not exceeding 8.5" length or wingspan (pre-planned split)
106 1/72: not exceeding 8.5" length or wingspan, Out-of-the-Box
107-A 1/48: not exceeding 13.9" length or wingspan
107-B 1/48: not exceeding 13.9" length or wingspan (pre-planned split)
107-C 1/48: not exceeding 13.9" length or wingspan (pre-planned split)
107-D 1/48: not exceeding 13.9" length or wingspan (pre-planned split)
107-E 1/48: not exceeding 13.9" length or wingspan (pre-planned split)
108 1/48: not exceeding 13.9" length or wingspan, Out-of-the-Box
Medium Prop Aircraft
111 1/72: not exceeding 11" length or wingspan
113-A 1/48: not exceeding 17" length or wingspan
113-B 1/48: not exceeding 17" length or wingspan (pre-planned split)
Large Prop Aircraft
115 1/72: exceeding 11" length or wingspan
117 1/48: exceeding 17" length or wingspan
Medium & Large Prop Aircraft
118 1/72: exceeding 8.5" length or wingspan, Out-of-the-Box
120 1/48: exceeding 13.9" length or wingspan, Out-of-the-Box
Small Jet
121-A 1/72: not exceeding 8.5" length or wingspan
121-B 1/72: not exceeding 8.5" length or wingspan (pre-planned split)
122 1/72: not exceeding 8.5" length or wingspan, Out-of-the-Box
125-A 1/48: not exceeding 13.9" length or wingspan Skyhawk Association
125-B 1/48: not exceeding 13.9" length or wingspan, pre-planned split
126 1/48: not exceeding 13.9" length or wingspan, Out-of-the-Box
Large Jet
129-A 1/72: exceeding 8.5" length or wingspan
129-B 1/72: exceeding 8.5" length or wingspan (pre-planned split)
130 1/72: exceeding 8.5" length or wingspan, Out-of-the-Box
131-A 1/48: exceeding 13.9" length or wingspan
131-B 1/48: exceeding 13.9" length or wingspan (pre-planned split)
132 1/48: exceeding 13.9" length or wingspan, Out-of-the-Box
1/32 Aircraft
135 Propeller-Driven
137 Jet-Powered Joe Porche
138 Out-of-the-Box
1/144 Aircraft
141 Small: not exceeding 4.25" in length or wingspan
143 Large: exceeding 4.25" in length or wingspan
144 Out-of-the-Box
Rotary Wing (civil or military)
151 1/144 and 1/72
153 1/48 and 1/32 Neil Butler
154 Out-of-the-Box
Civil, Sport, Racing, and Air Taxis
157 1/144 and 1/72
161 1/48 and 1/32
162 Out-of-the-Box
Airliners, Airliner Types, and Airships
163 1/144
165 1/72, 1/48, and 1/32
166 Out-of-the-Box
Unmanned Aerial Vehicles (civil or military)
167 All entries
In-Flight (non-diorama, gear-up, in-flight displays)
175 1/72, 1/48, and 1/32 Mike Brickman
Vacuum-formed (civil or military)
181 All entries
Conversions (civil or military)
183 All entries
Scratch-Built (civil or military)
185 All entries Mike Idacavage

II. Military Vehicles

34 categories and named splits, plus 1 estimated additional split.

1/35 refers to scales 1/35 and larger.
1/48 refers to scales 1/59 to1/36.
1/72 refers to scales 1/100 to 1/60.

1/35 Military Vehicles (including tanks, assault guns, and self-propelled guns) Sponsored By:
200-A Closed-top AFVs, through Korea, Axis Light and Medium
200-B Closed-top AFVs, through Korea, Axis Heavy
200-C Closed-top AFVs, through Korea, Allied
200-D Closed-top AFVs, through Korea, Other
201-A Closed-top AFVs, post-Korea, NATO
201-B Closed-top AFVs, post-Korea, Warsaw-Pact and Russian
201-C Closed-top AFVs, post-Korea, Other
206-A Open-top AFVs or AFVs with Interiors, Axis
206-B Open-top AFVs or AFVs with Interiors, Allied
206-C Open-top AFVs or AFVs with Interiors, Other
210 Armored Cars and Armored Halftracks
211 Soft-skinned Military Vehicles
1/48 Military Vehicles
212 Tracked
213 Wheeled
1/72 Military Vehicles
218-A Fully Tracked, through Korea, Allied
218-B Fully Tracked, through Korea, Axis
218-C Fully Tracked, through Korea, Other
219 Fully Tracked, post Korea
220 Armored Cars and Armored Half-tracks
221 Soft-skinned Military Vehicles
Artillery Pieces
223 All entries
Conversions and Scratch-Built
228 All entries Mike Idacavage
Kit-Bash Conversions
229 All entries
Multi- or Towed Vehicles, non-diorama display
235 All entries
Out-of-the-Box
290-A 1/35 Closed-top AFVs, through Korea, Axis
290-B 1/35 Closed-top AFVs, through Korea, Allied
290-C 1/35 Closed-top AFVs, Other
291 1/35 Open-top AFVs and AFVs with Interiors
292 1/35 Armored Cars and Half-tracks
293 1/35 Soft-skinned Vehicles
294 1/48 AFVs, Open- and Closed-top
295 1/48 Armored Cars, Half-tracks, and Soft-skinned Vehicles
296 1/72 AFVs, Open- and Closed-top
297 1/72 Armored Cars, Half-tracks, and Soft-skinned Vehicles

III. Figures

8 categories, plus 6 estimated additional splits.
1/32 and 1/35 figures will compete as 54mm.

Dismounted and Mounted Sponsored By:
300 53mm and smaller
Dismounted
305 Pre-1900
306 Post 1900
Mounted or With Mount
312 All entries
Conversions and Scratch-Built
317 All entries
Fantasy
322 All entries
Science Fiction
324 All entries
Busts
327 All entries

IV. Ships

16 categories, plus 1 estimated additional split.
1/700 refers to scales 1/451 and smaller.
1/350 refers to scales 1/450 to 1/101.
1/72 refers to scales 1/100 and larger.

Aircraft Carriers Sponsored By:
400 1/700
401 1/350
Battleships, Battlecruisers, and Cruisers
402 1/700
403 1/350
Other Surface Ships, smaller than cruiser-sized: Destroyers,
Escorts, Corvettes, Commercial, etc (except boats)
404 1/700
405 1/350
Sailing (sail-powered ships and boats)
407 All entries Michael Mackowski
Early Steam and Sail
408 All entries
Submarines
412 1/700
413 1/350, pre-1946
414 1/350, 1946 to present
415 1/72
Boats, Speedboats, Motor Torpedo Boats, Motor Patrol Boats
418 All entries
Conversions and Scratch-Built
423 All entries
Out-of-the-Box
425 Multi-media / high-tech kits (per Rule III.2.F) Bathtub Admirals
426 Single-media / legacy kits (per Rule III.2.G)

V. Automotive

21 categories, plus 3 estimated additional splits.
1/32 refers to scales 1/32 and smaller.
1/24 refers to scales 1/31 to 1/20.
1/16 refers to scales 1/19 and larger.

Factory Stock Sponsored By:
500 1/32
501 1/24, 1959 and older body
502 1/24, 1960 and newer body
Hot Rods, Street Rods, and Street Machines
506 Hot Rods and Street Rods
507 Street Machine Joe Porche
Customs
512 All entries
Competition Vehicles
516 1/32
517 1/24, Drag Racing, Modified Street and Purpose Built
519 1/24, Open Wheel
520 1/24, Closed Wheel
Large Scale (except motorcycles)
529 1/16
Conversions and Scratch-Built
534 All entries
Documented Replicas
535 All entries
Commercial Vehicles (including cargo as part of overall entry)
539 Light Commercial (2 axles)
540 Heavy Commercial (3 or more axles)
Motorcycles (civilian/racing only)
545-A All entries
545-B All entries, pre-planned split
Curbside
550 All entries
Automotive Technology and Culture
580 All entries
Out-of-the-Box (including motorcycles)
590 Factory Stock
591 Hot Rods, Street Rods, Street Machines, and Customs
592 Competition

VI. Space and Science Fiction Vehicles

8 categories, plus 1 estimated additional split.

Real Spacecraft, Missiles, and Vehicles (kits and scratch-built) Sponsored By:
600 Real Spacecraft, Missiles, and Vehicles Michael Mackowski
601 Hypothetical Design
Science Fiction and Fantasy Subjects (see Rule II-18)
605 Star Trek and Star Wars, from kits
606 Gundams, from kits
607 Mecha (robots, etc), from kits
608 Other Vehicles
610 Conversions and Scratch-built
Out-of-the-Box
698 All entries

VII. Dioramas

13 categories - no additional splits anticipated.

Aircraft Sponsored By:
710 Small Composition (single aircraft, no more than 5 figures), 1/144 and 1/72
712 Small Composition (single aircraft, no more than 5 figures), 1/48 and 1/32
714 Large Composition (2 or more aircraft, and/or more than 5 figures)
Armor
720 Small Composition (single vehicle, no more than 5 figures), 1/48 and larger
722 Large Composition (2 or more vehicles, and/or more than 5 figures), 1/48 and larger
724 Dioramas and Vignettes, 1/49 and smaller
Figures
730 Vignettes (no more than 5 figures)
732 Dioramas (more than 5 figures)
Ships
740 Vignettes (single vessel/craft)
742 Dioramas (multiple vessels/craft)
Automotive
750 All entries
Science-Fiction
760 All entries
Miscellaneous Dioramas
780 All entries

VIII. Miscellaneous

11 categories - no additional splits anticipated.

Dinosaurs Sponsored By:
800 All entries
Humor in Modeling
810 All entries Mike Idacavage
Hypothetical (other than science-fiction)
820 Kit-Based (spurious markings on standard kit)
821 Kit-Bashed / Scratch-built
Triathlon
830 All entries
Collections
840 All entries
IPMS Chapter/Group Entry
850 All entries
Miscellaneous
860 All entries
Out-of-the-Box
890 Hypothetical
891 Triathlon
892 Miscellaneous

Additional IPMS/USA Contest Awards

  1. The Best Use of an IPMS/USA Convention Special Decal will be selected by IPMS/USA Past Presidents from among any of entries in the contest which use a Convention Special Decal, and as noted by the entrant on the model entry form.
  2. Theme Awards will be selected from among any of the entries in the contest which meet the parameters of the designated theme, and as noted by the entrant on the model entry form. Up to 5 Theme Awards may be requested by the host chapter, are approved by IPMS/USA, and are posted on the convention website along with the Rules and Categories.
  3. Best of Class Awards will be given in each of the nine classes listed above, and are selected from the first-place winners in the categories within each class.
  4. The Popular Best-in-Show award will be given as selected by majority vote (by ballot) of the attendees of the convention (registrants and general public attendees).
  5. The George Lee Judges Grand Award will be given as selected from the Best of Class award recipients, as selected by the National Contest Committee (Class Head Judges and Chief Judge).