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Sig 4 Star 120 Kit 81 Ws 90/120 120/160*

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Just like the Four-Star 40 and the Four-Star 60, the Four-Star 120 has a near perfect blend of simple construction, classic looks, and outstanding flight performance.

. . . Quick Building . . .

The lite-ply fuselage and simple wing design get the Four-Star 120 out to the flying field in short order.

. . . Easy Flying . . .
Four-Star 120 Model Airplane
With a wing loading like a trainer, the Four-Star 120 is easy to fly, yet will perform all the free-style aerobatics your thumbs can keep up with. The impressive size of the Four-Star 120 (it's IMAA legal) make for smooth aerobatics and ultra-slow landings. Take your sport flying to a new level with the Four-Star 120!
Wingspan 81 in 2057 mm
Wing Area 1205 in? 78 dm?
Weight 10 1/2 - 12 lb 4762 - 5443 g
Wing Loading 20 - 22.9 oz/ft? 6103 - 6988 g/m?
Length 65 in 1651 mm
Radio Req. 4-Channel with 5 servos (2 ail, 1 ele, 1 rud, 1 thro)
Engine Req. 0.90-1.20 in? (14.7-19.7 cm?) 2-Stroke
1.20-1.60 in? (19.7-26.2 cm?) 4-Stroke


Lite-Ply Fuselage Construction
Fast-Building Wing with Spruce Spars
Shaped Blasa Leading Edge
Pre-Cut Sheet Balsa Tail Surfaces
Formed Aluminum Main Landing Gear
Formed Tailwheel Wirev
Molded Clear Plastic Canopy

Engine Mounts
Complete Pushrods
Sig Easy Hinges
CAD Drawn Full-Size Plans
Photo-Illustrated Instruction Book
Complete Hardware Pack
Large Decal Sheet
  • Our shipping times are typically 24-48hrs from ordering during normal business hours.
  • We use a Courier and Australia post as our agents.  Please allow typical delivery times for your area.
  • International shipping is priced per country, please check your cart before ordering.
  • We are unable to ship Dangerous goods overseas. 
  • We are also limited by length of some parcels. Anything over 1.05m will need a specialist courier quote which we can provide.
  • When adding items to your cart you can get a quote for shipping first before commiting to the order.

Customer Reviews

Based on 1 review
Dean Dwyer
RC plans

Great service with fright