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Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Aviation Adventures

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31011 Aviation Adventures

620 pieces in 182 part and color combinations.

LEGO counts 618 pieces. This inventory comes from a separate parts catalog and lists 620; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

Plates 168 pieces

  • Plate 1 x 1 Black Part 3024 Element 302426 1 spare in the box ×2
  • Plate 1 x 10 Black Part 4477 Element 447726 ×2
  • Plate 1 x 2 Black Part 3023 Element 302326 ×8
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 2 x 10 Black Part 3832 Element 383226 ×11
  • Plate 2 x 4 Black Part 3020 Element 302026 ×5
  • Plate 1 x 10 Blue Part 4477 Element 447723 ×9
  • Plate 1 x 3 Blue Part 3623 Element 362323 ×4
  • Plate 1 x 4 Blue Part 3710 Element 371023 ×5
  • Plate 1 x 6 Blue Part 3666 Element 366623 ×10
  • Plate 2 x 3 Blue Part 3021 Element 302123 ×4
  • Plate 2 x 4 Blue Part 3020 Element 4240375 or 302023 ×5
  • Plate 2 x 6 Blue Part 3795 Element 379523 ×7
  • Plate 4 x 6 Blue Part 3032 Element 303223 ×9
  • Plate 4 x 8 Blue Part 3035 Element 303523 ×4
  • Plate 1 x 4 Dark Blue Part 3710 Element 4502089 or 4177739 ×2
  • Plate 1 x 8 Light Bluish Gray Part 3460 Element 4211425 ×2
  • Plate 2 x 14 Light Bluish Gray Part 91988 Element 4662161 ×1
  • Plate 1 x 1 Trans-Green Part 3024 Element 6513967 or 6252046 1 spare in the box ×2
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 1 spare in the box ×2
  • Plate 1 x 2 Trans-Yellow Part 3023 Element 6514002 or 6240211 Also in Yellow ×2
  • Plate 1 x 1 White Part 3024 Element 6548262 or 302401 1 spare in the box ×4
  • Plate 1 x 10 White Part 4477 Element 6552113 or 6550148 ×5
  • Plate 1 x 2 White Part 3023 Element 6552100 or 6548261 ×2
  • Plate 1 x 4 White Part 3710 Element 6552108 or 6548266 ×10
  • Plate 1 x 6 White Part 3666 Element 6552107 or 6548265 ×5
  • Plate 2 x 16 White Part 4282 Element 6609534 or 4119227 ×2
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×3
  • Plate 2 x 4 White Part 3020 Element 6552098 or 302001 ×7
  • Plate 2 x 8 White Part 3034 Element 6552101 or 303401 ×2
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×1
  • Plate 1 x 1 Yellow Part 3024 Element 302424 1 spare in the box ×2
  • Plate 1 x 2 Yellow Part 3023 Element 302324 Also in Trans-Yellow ×6
  • Plate 1 x 4 Yellow Part 3710 Element 371024 ×8
  • Plate 1 x 6 Yellow Part 3666 Element 366624 ×5
  • Plate 2 x 10 Yellow Part 3832 Element 383224 ×2
  • Plate 2 x 2 Yellow Part 3022 Element 4613978 or 302224 ×2
  • Plate 2 x 2 Corner Yellow Part 2420 Element 242074 or 242024 ×4

Bricks Sloped 63 pieces

  • Brick Sloped 30° 1 x 2 x 2/3 Black Part 85984 Element 4548180 ×4
  • Brick Sloped Inverted 34° 3 x 1 with Internal Stopper Black Part 4287b ×4
  • Brick Sloped 30° 1 x 2 x 2/3 Blue Part 85984 Element 4651236 ×3
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Blue Part 3747b Element 4509443 ×4
  • Brick Sloped Inverted 34° 3 x 1 with Internal Stopper Blue Part 4287b ×2
  • Brick Sloped Inverted 45° 2 x 1 Blue Part 3665 Element 366523 ×6
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Blue Part 3660 Element 366023 ×10
  • Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Blue Part 4871 Element 4656767 or 4189119 ×2
  • Brick Sloped Inverted 45° 6 x 1 Double with 1 x 4 Recessed Blue Part 52501 Element 4294738 ×3
  • Brick Sloped Inverted 45° 6 x 4 Double with 4 x 4 Recessed and 3 Holes Blue Part 60219 Element 4570200 or 4163532 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 1 spare in the box ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Red Part 54200 Element 6245252 or 4244363 1 spare in the box ×3
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 1 spare in the box ×3
  • Brick Sloped 45° 2 x 1 with Bottom Pin White Part 3040b Element 6552115 or 4121932 ×2
  • Brick Sloped 45° 2 x 2 with Aircraft Multiple Flight Controls Print White Part 3039pr0013 Element 6032098 or 6016723 ×1
  • Brick Sloped 30° 1 x 2 x 2/3 Yellow Part 85984 Element 4550348 ×10

Plates Special 61 pieces

  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Black Part 2444 Element 244426 ×3
  • Plate Special Round 2 x 2 with Pin Hole and 4 Bars Up Black Part 98284 Element 6313508 or 4650145 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip] Blue Part 61252 Element 6347291 or 4520946 ×2
  • Plate Special 1 x 2 [Side Handle Closed Ends] Blue Part 48336 Element 4514398 or 4247103 ×4
  • Plate Special 1 x 2 with Clip Horizontal on End Blue Part 63868 Element 6354661 or 4568990 ×2
  • Plate Special 1 x 8 with Door Rail Blue Part 4510 Element 6490768 or 6034892 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Dark Bluish Gray Part 2540 Element 4210660 ×1
  • Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs Flat Silver Part 75937 Element 6020990 ×1
  • Bracket 1 x 2 - 1 x 2 Light Bluish Gray Part 99781 Element 4654582 ×2
  • Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Light Bluish Gray Part 60897 Element 6296894 or 4613956 ×4
  • Plate Special 1 x 2 with Door Rail Light Bluish Gray Part 32028 Element 4211568 ×6
  • Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes Light Bluish Gray Part 92593 Element 4599498 ×7
  • Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Light Bluish Gray Part 99206 Element 4654577 ×4
  • Plate Special 1 x 2 with Handle on End [Closed Ends] Red Part 60478 Element 4515365 ×2
  • Plate Special 1 x 2 with 1 Stud with Groove (Jumper) White Part 3794b ×12
  • Plate Special 1 x 2, Top Clip [Split] White Part 92280 Element 4598527 ×4
  • Technic Plate 2 x 6 [5 Holes] Yellow Part 32001 Element 6038194 or 4107750 ×4

Tiles 51 pieces

  • Tile 1 x 2 with Groove Black Part 3069b Element 306926 ×2
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×8
  • Tile 1 x 6 with Groove Black Part 6636 Element 663626 ×4
  • Tile 1 x 2 with Groove Blue Part 3069b Element 306923 ×2
  • Tile 2 x 4 with Groove Dark Bluish Gray Part 87079 Element 4560184 ×5
  • Tile 1 x 2 with Red 82, Yellow and White Gauges Print Light Bluish Gray Part 3069bpr0101 Element 4227776 ×1
  • Tile 1 x 3 White Part 63864 Element 6552134 or 6548270 ×4
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×4
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×3
  • Tile 1 x 2 with Groove Yellow Part 3069b Element 306924 ×8
  • Tile 1 x 6 with Groove Yellow Part 6636 Element 6388488 or 663624 ×10

Plates Round Curved and Dishes 36 pieces

  • Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Black Part 2654 Element 4617551 or 4278359 ×7
  • Plate Round Corner 4 x 4 Dark Blue Part 30565 Element 6023154 or 4506996 ×4
  • Plate Round 1 x 1 with Solid Stud Flat Silver Part 6141 Element 4633691 1 spare in the box ×25

Technic Pins 32 pieces

  • Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Black Part 32054 Element 4140801 or 4107742 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×10
  • Technic Pin with Friction Ridges Lengthwise and Towball Black Part 6628 Element 4184169 or 662826 ×2
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×3
  • Technic Pin 1/2 without Friction Ridges Blue Part 4274 Element 4143005 1 spare in the box ×2
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×8
  • Technic Pin without Friction Ridges Lengthwise Light Bluish Gray Part 3673 Element 4211807 or 3673194 1 spare in the box ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Tan Part 3749 Element 4666579 or 4186017 ×1
  • Technic Pin 3/4 Tan Part 32002 Element 6663097 or 6013938 1 spare in the box ×3

Bricks 29 pieces

  • Brick 2 x 4 Black Part 3001 Element 300126 ×2
  • Brick 1 x 6 Blue Part 3009 Element 300923 ×2
  • Brick 2 x 3 Blue Part 3002 Element 300223 ×2
  • Brick 1 x 4 Light Bluish Gray Part 3010 Element 4211394 ×2
  • Brick 1 x 1 White Part 3005 Element 6552096 or 6548258 ×2
  • Brick 1 x 2 White Part 3004 Element 6548257 or 4613964 ×3
  • Brick 1 x 3 White Part 3622 Element 6550143 or 362201 ×3
  • Brick 1 x 6 White Part 3009 Element 6552097 or 6548259 ×2
  • Brick 1 x 1 Yellow Part 3005 Element 300524 ×2
  • Brick 1 x 4 Yellow Part 3010 Element 301024 ×4
  • Brick 1 x 6 Yellow Part 3009 Element 300924 ×4
  • Brick 2 x 4 Yellow Part 3001 Element 300124 ×1

Bricks Curved 29 pieces

  • Brick Arch 1 x 3 x 2 Black Part 88292 Element 4581280 ×2
  • Brick Curved 2 x 4 x 2/3 No Studs, with Bottom Tubes Blue Part 88930 Element 4651237 ×4
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top Light Bluish Gray Part 6091 Element 6285778 or 4211519 ×2
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top White Part 6091 Element 6285777 or 609101 ×4
  • Brick Curved 1 x 3 x 2 White Part 33243 Element 4141668 or 4128644 ×2
  • Brick Curved 1 x 4 x 1 1/3 No Studs White Part 10314 Element 6294284 or 6019727 ×2
  • Brick Curved 1 x 5 x 4 Inverted White Part 30099 Element 6468081 or 6210689 ×1
  • Brick Curved 2 x 1 No Studs [1/2 Bow] White Part 11477 Element 6552145 or 6548276 ×3
  • Brick Curved 2 x 4 x 1 1/3 White Part 6081 Element 608151 or 608101 ×3
  • Brick Curved 4 x 1 Double, No Studs White Part 93273 Element 6552143 or 6023806 ×6

Technic Bricks 24 pieces

  • Technic Brick 1 x 4 [3 Pin Holes] Light Bluish Gray Part 3701 Element 4211441 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Red Part 32064b ×1
  • Technic Brick 1 x 2 [1 Pin Hole] White Part 3700 Element 6619284 or 370001 ×9
  • Technic Brick 1 x 6 [5 Pin Holes] White Part 3894 Element 389401 ×2
  • Technic Brick 1 x 2 [2 Pin Holes] Yellow Part 32000 Element 4201615 or 4160860 ×8
  • Technic Brick 1 x 4 [3 Pin Holes] Yellow Part 3701 Element 370124 ×2

Plates Wedged 23 pieces

  • Wedge Plate 4 x 2 Left Black Part 41770 Element 4161332 ×1
  • Wedge Plate 4 x 2 Right Black Part 41769 Element 4160869 ×4
  • Wedge Plate 4 x 2 Left Blue Part 41770 Element 6430083 or 4161330 ×2
  • Wedge Plate 4 x 2 Right Blue Part 41769 Element 6430076 or 4160867 ×2
  • Wedge Plate 4 x 4 Cut Corner Blue Part 30503 Element 6503903 or 6331843 ×4
  • Wedge Plate 4 x 6 Cut Corners Blue Part 32059 Element 6016165 or 4141268 ×2
  • Wedge Plate 6 x 3 Left Blue Part 54384 Element 4543090 ×1
  • Wedge Plate 6 x 3 Right Blue Part 54383 Element 4543089 ×1
  • Wedge Plate 12 x 3 Left White Part 47397 Element 6552123 or 4208987 ×1
  • Wedge Plate 12 x 3 Right White Part 47398 Element 6552124 or 4209005 ×1
  • Wedge Plate 3 x 2 Left Yellow Part 43723 Element 4179095 ×2
  • Wedge Plate 3 x 2 Right Yellow Part 43722 Element 4179094 ×2

Tiles Special 15 pieces

  • Tile Special 1 x 1 with Clip with Rounded Tips Dark Bluish Gray Part 12825 Element 6030710 ×8
  • Tile Special 1 x 2 Grille with Bottom Groove Flat Silver Part 2412b Element 4619636 ×5
  • Tile Special 1 x 2 with Handle Reddish Brown Part 2432 Element 4211219 ×2

Technic Beams 14 pieces

  • Technic Beam 1 x 5 Thick Black Part 32316 Element 4142135 or 4140429 ×4
  • Technic Beam 1 x 11 Thick Light Bluish Gray Part 32525 Element 4611705 or 4534910 ×1
  • Technic Beam 1 x 3 Thick Light Bluish Gray Part 32523 Element 4211655 ×2
  • Technic Beam 2 x 4 L-Shape Thick Light Bluish Gray Part 32140 Element 6271831 or 4211610 ×3
  • Technic Beam 1 x 2 Thin Red Part 41677 Element 6371442 or 4186678 ×2
  • Technic Beam 1 x 4 Thin Red Part 32449 Element 6330205 or 4141811 ×2

Technic Axles 10 pieces

  • Technic Axle 6 Black Part 3706 Element 370626 ×1
  • Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray Part 59426 Element 4508553 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×3
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×5

Technic Connectors 10 pieces

  • Technic Axle Connector Double Flexible [Rubber] Black Part 45590 Element 4198367 ×1
  • Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Black Part 87082 Element 4560174 ×2
  • Technic Axle and Pin Connector Angled #1 Dark Bluish Gray Part 32013 Element 32013199 or 6296856 ×4
  • Technic Axle and Pin Connector Angled Triple [120° Offset] Dark Brown Part 10288 Element 6273219 or 6005755 ×1
  • Technic Axle and Pin Connector Perpendicular Double Split Light Bluish Gray Part 41678 Element 4211889 ×1
  • Technic Axle and Pin Connector Perpendicular Split Light Bluish Gray Part 92907 Element 6279023 or 4630114 ×1

Wheels and Tyres 10 pieces

  • Tyre 14 x 4 Smooth Small Single [New Style] Black Part 59895 Element 4516843 or 4507700 1 spare in the box ×2
  • Tyre Offset Tread with Center Band 23 x 7 Black Part 61254 Element 4541455 ×2
  • Wheel Wagon Viking with 12 Holes [7 Studs Diameter] Flat Silver Part 55817 Element 6030273 ×1
  • Wheel 11 x 8 with Center Groove Light Bluish Gray Part 42610 Element 4211758 ×1
  • Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring Light Bluish Gray Part 13971 Element 6359807 or 6044729 ×2
  • Wheel 8 x 6 Light Bluish Gray Part 4624 Element 4211506 ×2

Bricks Round and Cones 7 pieces

  • Brick Round 2 x 2 with Axle Hole Black Part 3941 Element 614376 or 614326 ×1
  • Brick Round 1 x 1 Open Stud Light Bluish Gray Part 3062b Element 4211412 ×6

Panels 6 pieces

  • Panel 1 x 1 x 1 Corner White Part 6231 Element 6619293 or 623101 ×2
  • Panel 1 x 2 x 1 [Rounded Corners] White Part 4865b Element 6552161 or 6146215 ×4

Technic Bushes 6 pieces

  • Technic Bush Red Part 3713 Element 6271820 or 4227155 1 spare in the box ×2
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 1 spare in the box ×4

Technic Gears 5 pieces

  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×1
  • Technic Gear Rack 1 x 8 with Holes Black Part 6630 Element 4275503 or 4118985 ×1
  • Technic Gear 16 Tooth Reinforced [New Style] Light Bluish Gray Part 94925 Element 4640536 ×2
  • Technic Gear 20 Tooth Bevel Tan Part 32198 Element 6031962 or 4514557 ×1

Bricks Special 4 pieces

  • Brick Special 1 x 4 with Groove Black Part 2653 Element 265326 ×4

Bricks Wedged 4 pieces

  • Brick Wedged, Angled 4 x 2 Left Yellow Part 41768 Element 4160348 ×2
  • Brick Wedged, Angled 4 x 2 Right Yellow Part 41767 Element 4160333 ×2

Bars, Ladders and Fences 3 pieces

  • Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] Black Part 48729b Element 6278152 or 6037347 1 spare in the box ×1
  • Bar 4L (Lightsaber Blade / Wand) Trans-Neon Green Part 30374 Element 6507881 or 6170186 ×2

Hinges, Arms and Turntables 3 pieces

  • Hinge Plate 2 x 2 Locking with 1 Finger on Top White Part 92582 Element 6265740 or 4613762 ×2
  • Hinge Plate 3 x 4 Locking Dual 2 Finger, 9 Teeth White Part 44570 Element 4261694 or 4194558 ×1

Transportation - Land 2 pieces

  • Exhaust Pipe with Technic Pin Light Bluish Gray Part 40620 Element 4263192 ×2

Windscreens and Fuselage 2 pieces

  • Windscreen 7 x 4 x 2 Round with Handle Trans-Brown Part 92279 Element 6337336 or 6245235 ×2

Technic Special 1 piece

  • Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Black Part 32124 Element 6280168 or 4114689 ×1

Tools 1 piece

  • Brick and Axle Separator v2.0 Orange Part 96874 Element 6240515 or 4654448 ×1

Transportation - Sea and Air 1 piece

  • Technic Pin with Dual Wheels Holder Light Bluish Gray Part 61483 Element 6331440 or 4519013 ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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