It is important to only deal with licensed people and businesses as you are better protected if things go wrong and will have access to free dispute resolution services. (moneysmart.gov.au)
An aircraft pilot is a highly skilled licensed person who is trained vigorously in flying an aircraft. (sampleresumeobjectives.org)
On the one hand, people argue that in states where they don't have licensing people just do it anyway, and they just do it illegally, and it's almost worse. (thedailybeast.com)