Hi All,My name is Darek. I am a great fan of F14 Tomcat. I tried to

A long message, and a fairly brief response. There is no way to turn a mdl file into source you could edit in GMAX or FSDS. You should contact Dino and just ask for his source and if you can make the changes. I have done this with some projects and it's very surprising how many authors say yes, even though I am not the most talented designer there is. Good luck on your quest, but don't lose too much time trying to create the perfect aircraft. Regards,John