Could you please clarify the context of the question, "Can a 16 year old hunt alone in PA without?" as it seems to be incomplete. However, I'll assume you're asking about whether a 16-year-old can legally hunt alone in Pennsylvania without any specific license, permit, or supervision.
In Pennsylvania, hunting regulations can vary depending on the type of game being hunted and the specific area. Generally speaking, minors under the age of 18 are often required to be accompanied by an adult or to have completed certain hunter education courses before they can hunt unsupervised.
So, to answer your question, a 16-year-old in Pennsylvania may not be able to hunt alone without some form of supervision or certification, depending on the specific regulations for the type of game they're hunting and the location. It's important to check with the Pennsylvania Game Commission or other relevant authorities to ensure compliance with all applicable laws and regulations.