VHReg.
All Australian VH registered aircraft. Over 14,000 aircraft, 8000 owners and operators.
 
NReg.
All US N registered aircraft. Over 368,000 aircraft and 297,000 owners.
 
CReg.
All Canadian C registered aircraft. Over 34,000 aircraft and 24,000 owners.
 
ZKReg.
All New Zealand ZK registered aircraft. Over 4,400 aircraft and 2,900 owners.