Tailwheel EndorseMENT
Airplane Flying Handbook (3C) Chapter 14 (faa.gov)
Complex Endorsement
Airplane Flying Handbook (3C) Chapter 12 (faa.gov)
Sport Pilot Ground Schools
Online Ground School: Sport Pilot - Gleim Aviation
King Schools|Sport Pilot Airplane Course - Interactive Video Ground School & Test Prep Course
Private pilot ground Schools
Private and Instrument Courses – Flight training app by Jason Miller of The Finer Points (learnthefinerpoints.com (Best if you want to use an iPhone or tablet for training - Contact Appalachian Aviators for discount code!)
Best Private Pilot Ground School - Gold Seal Online Ground School
Learn To Fly Course - Private Pilot Test Prep (sportys.com