The document is about the warranty information of Great Planes Model Manufacturing Co. The warranty covers material and workmanship defects, but does not cover component parts damaged by use or modification. Great Planes is not liable for the final assembly and use of the product, and the user accepts all resulting liability. If the user is not prepared to accept this liability, it is advised to return the product immediately in new and unused condition to the place of purchase. Additionally, if the product will be used for extremely high stress flying, such as racing, the user is responsible for reinforcing the high stress points. The document also includes safety precautions and instructions for the use of the product.