Four Star 40 from SIG Mfg


SIG's Four-Star 40 has been the "second airplane" of choice for thousands of modelers since its introduction in 1989. With its low semi-symmetrical wing and light wing loading, the Four-Star 40 takes you to the next level, with all the free-style aerobatics and whoop-dee-doos your thumbs can conjure up.
When developing the FOUR-STAR 40, there were two main design goals.

First, of course, was impeccable flight performance in the tradition of all SIG kits. Second, it had to be ultra-simple to build without looking like a "box with wings". The FOUR-STAR 40 shines in both respects! Give it a try - we think you'll give this kit a "four star" rating!


  • Lite-Ply Fuselage Construction
  • Pre-Cut Sheet Balsa Tail Surfaces
  • Durable Aluminum Main Landing Gear
  • Molded Canopy
  • Full Size Plans
  • Fast-Building Wing with Spruce Spars
  • Photo-Illustrated Assembly Manual
  • Laser Cut Parts
  • Sig Easy Hinges
  • Push rods
  • Hardware Pack
  • Large Decal Sheet



If the Manual doesn't show you can click here to open the document in a new window.

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Jumper T16

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Radiomaster TX16S

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FlySky EL18

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FrSky X20

FrSky X20 Pro

FrSky XE

Kavan V20

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FrSky X18

FrSky Twin

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FrSky X10

FrSky X12s

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FrSky X10

FrSky X12s

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Futaba 18MZ

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Graupner MZ16

Graupner MZ32

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Jeti DS-24

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Spektrum ix12

Spektrum ix20

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Wingspan: 1518mm (59.8 in)
Length: 1194mm (47 in)

Weight: 2150 g (4.7 lbs)
Wingspan 59.75 in 1518 mm
Wing Area 604 sq in 39 dm²
Length 47 in 1194 mm
Flying Weight 4.75 lb 2150 g
Wing Loading 18 oz/sq ft 55 g/dm²
Radio Required 4 Channel, 4 Servos (not included)
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