. >> philippe jernnard, a retired winemaker was on a layover in philadelphia, and he was dressed in a white button down shirt with an air france logo over the po pocket. he went to the gate and tried to get his seat upgraded from coach but they could not accommodate his request. authorities say he boarded the plane and went to the cockpit and sat behind the pilot in what is known as a jump seat, but the pilots became suspicious when he could not even figure out how to fasten the straps. when requested, he didn't have any of the proper paperwork and became argumentative. >> this has happened before -- >> one retired airplane pilot says how pilots from other careers have to show credentials. >> in order to have access to the cockpit, the paperwork you would have to have would normally come from the ticket counter or the gate agent, and this specific company specific paperwork following federal guidelines. >> philippe jernnard was carrying what france called a bad fake id, and he is now facing charges, and the fbi is also investigating. law enforcement officials say investigators have no

. >> reporter: but 61-year-old philippe jernnard found out the hard way it's not as easy as it looks. jernnard was wearing what looked like an air france pilot's uniform when he tried to board a flight in philadelphia. he was a ticketed passenger and asked to are an upgrade. when he was denied he headed straight for the cockpit. >> portrayed himself as a pilot and made -- gained access to the cockpit. >> reporter: jernnard reportedly said he flew 747s for air france. showed what appeared to be an air france crew member i.d. and sat down in one of the cockpit jump seats but when the real pilot boarded the flight he questioned jernnard's credentials and police removed the alleged impostor. >> well, it's disconcerting because we don't know what his designs were. he could be anything from just wanting to take a look at the cockpit to some other criminal designs. >> reporter: while cockpit doors are locked during flights since 9/11, they're usually open during the boarding process. >> and we certainly don't want anybody up there who is not supposed to be there. that's up to the pilots to m

philippe jernnard thought he could pull something off similar.aded to west palm beach and was on a layover in philadelphia. he was dressedn a white button-down shirt with a airfrance logo over the pocket. jernnard went to the gate and tried to get his seat upgraded from coach. but an agent said business class was already full and couldn't accommodate his request. that's when authorities say he boarded the plane and went straight to the cockpit, and sat behind the pilot in what's known as a jump seat. but according to the philadelphia police, the pilots became suspicious when jernnard couldn't even figure out how to fasten the straps. when questioned, he didn't have any of the proper paperwork, and became argumentative. >> this has happened before. >> reporter: retired airplane pilot mark weiss said they always have to show their credentials. >> in order to have access to the cockpit, once the cockpit door is closed, the paperwork that you have to have would normally come from the ticket counter, or the gate, the company specific paperwork. >> rep