The world's largest composite DC-3 made by Tomy composite in Thailand is in production now. There are many building threads available on RCUniverse wher modellers share their experience.
Specifications:
Wingspan: 150 inch (3.81 meter)
Length: 97 inch
Weight: 20-23kg
Engine: 26-45cc petrol engine (2 needed)
Air retracts (not included)
Package includes: pre-built fuselage, wings, tail, push rods, servo mounts, wing tube, dummy engine (2), canopy, and accessories.
Price for international market $ 2550 USD+extra shipping cost.
Price for unpainted $ 2400 USD+extra shipping cost.