Don't insult the host. Once reaching the destination, the rider should thank the crew and carry on about his business. There are so many aviation type companies going in and out of business that it is hard for a captain to keep track of them all. Therefore, host captains have been known accept a jumpseat rider from a company that sounds and looks like an airline or corporate type association by mistake. The company's name will be registered with a State's Secretary of State.
Some areas require semi-escorted assistance which varies at different airports.
Advantages of jumpseating are free transportation often with a front seat view, fewer security hassles and less delays, more flexibility with no advanced notice, and numerous airline discounts on rental cars and lodging. The primary disadvantage is no guarantee of making the flight of your first choice. In conclusion , over the past few years, attempts to tighten jumpseat authorization and security have been initiated. Unfortunately, these attempts have had little overall effect. Paranoia will be the likely cause, and inevitable demise of the jumpseat privilege.