National Producer Number definition, categories, type and other relevant information provided by All Acronyms. NPN stands for National Producer Number Search for acronyms, abbreviations,
Height Considerations. There are no height limits for jockeys. However, jockeys tend to be shorter than normal to meet the weight guidelines. The average height for a jockey is between 4 feet 10 inches and 5 feet 6 inches.eight Limits. Depending on specific race and track guidelines, a jockey must weigh between 108 and 118 pounds without clothing and equipment, which can add a significant number of pounds.
When you have reached this stage your employer will be advised by the Stewards and Malcolm Fitzgerald.c. Weight: to be a jockey, the ideal weight would be 45-48 kg at sixteen years of age for boys and 45 kg for girls.d.nyone wishing to become a jockey in NSW can contact Racing NSW, the regulatory body for thoroughbred racing in NSW, which was established in June 1997. An extension of indentures is available for up to one year for apprentices who have not out ridden their claim.