Sentence 1: On 7 July 1997 , Pathfinder increased the altitude record for solar powered aircraft , which was also the record for propeller aircraft .
Sentence 2: On July 7 , 1997 , Pathfinder raised the altitude record for solar driven aircraft to , which was also the record for propeller powered aircraft .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?