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.
Best Answer: A jockey license or apprentice jockey license is required of any person who rides a horse in a race. A jockey or apprentice jockey must be at least 16 years of age.Below I provided some other helpful insight.deal weight for a jockey is 115 pounds. And you have to maintain weight in order to meet weight requirements. You are always weighed before every race. Many jockey's start by mucking stalls, and working as hot walkers, grooming and exercising horses long before they ever get their jockey license.