Visible crew/equipment: When the group was flying into the island, there's a shot of the plane flying in front of the cloud, and there's the obvious shadow of the helicopter that filmed that shot.
Visible crew/equipment: When Paul Kirby is climbing onto the crane in the river sequence you can see a light to the left of the operator's cabin. There was no power on that side of the island to power the light. To the right you can even see a blue tent standing perfectly. Surely the wind would have blown it over by now. (01:15:30)
Visible crew/equipment: Just after hearing the Spinosaurus roar, bright studio lights are reflected on the front of the plane when it is turning to take off from Isla Sorna. (00:19:45)