Large Transport Categories CFR 14 Part 25
Jumbojets, Airlines, Head of State
Small Transport Categories CFR 14 Part 25
Commuters, Private Jets, Business Jets
Normal, Utility & Commuter Categories 14 CFR Part 23
General Aviation, Small Charter Aircraft, Agricultural Aircraft
Rotorcraft 14 CFR Parts 27 & 29
Private and Commerical Helicopters, Air Cranes, Air Sea Rescue
Special Projects
US Department of State, Military, Public Service