Dr. Alan Grant: What John Hammond and InGen did at Jurassic Park is create genetically engineered theme park monsters. Nothing more and nothing less.
Woman: Um, are you saying that you wouldn't wanna get onto Isla Sarnoa and study them if you had the chance?
Dr. Grant: No force on Earth or Heaven will get me on that island.
After the aeroplane crashed, a dinosaur stepped over it and the windows shattered making the typical sound of made-of-glass things when broken. They are made of plexiglass (a sort of fibrous plastic).
Dr. Grant's brown truck with the Museum of the Rockies and Montana State University logos on it is the actual vehicle that belongs to Dr. Jack Horner, paleontologist consultant on the Jurassic Park films as well as the man that the character of Grant is based on.