Code specifying the level of participation
Type
ID
Length
Max 2 / Min 2
Codes
<>  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

