A1 | Amateur |
A2 | Air Transport Rating (ATR) |
A3 | Airplane |
A4 | American Motorcyclist Association (AMA) |
A5 | American Powerboat Association (APBA) |
B1 | Boeing 747 |
D1 | Deep Water Diver Club |
D2 | Diving Advanced Open Water Certification |
D3 | Diving Open Water Certification |
D4 | Diving Rescue Diver Certification |
D5 | Diving Underwater Hunter Certification |
F1 | Federal Aviation Administration Medical Class 1 |
F2 | Federal Aviation Administration Medical Class 2 |
F3 | Federal Aviation Administration Medical Class 3 |
G1 | Glider |
I1 | Instructor |
I2 | International Motor Sports Association (IMSA) |
I3 | Instrument |
I4 | Instrument Flight Rating Airplane |
I5 | Instrument Flight Rating Helicopter |
L1 | Lighter Than Air |
M1 | Multiengine Land |
M2 | Multiengine Sea |
N1 | National Association Stock Car Auto Racing (NASCAR) |
N2 | National Hot Rod Association (NHRA) |
P1 | Professional |
R1 | Rotorcraft |
S1 | Student |
S2 | Sports Car Club of America (SCCA) |
S3 | Single Engine Land |
S4 | Single Engine Sea |
U1 | United States Auto Club (USAC) |
V1 | Visual |