HIJACKED PLANE RAMMED BY AUTO
Unidentified man on June 24 hijacks Amer Airlines Boeing 727 with 94 aboard on St Louis-Tulsa flight and orders it to return to Lambert Field, St Louis, where he allows 80 passengers to disembark; another unidentified man, in apparent attempt to thwart hijacking, drives automobile head-on into aircraft during take-off run, but hijacker demands and receives new aircraft, $502,000 in ransom and 5 parachutes; craft takes off for undisclosed destination