Didn't have time to state that this was a copy and paste from Helimax's contact us link on their site:

"Contact Us
Wish to check on the status of your item's service? Or forgot some key information you now want to include? Feel free to call, fax, write or email us and please include as much information as possible regarding your question or product problem and provide at least one other means of daytime contact.

Reason Email Phone* Fax
General questions about service and products [email protected] 217-398-0007 217-398-7721
For status of work order repairs only [email protected] 217-398-0007 217-398-7721
For Futaba programming, questions, etc. [email protected] 217-398-8970 ext 2 217-398-7721 "