"Follow the Driver and target the Merryweather choppers" is an objective in the story mission The Big Score (Obvious Approach) in Grand Theft Auto V.
Walkthrough[edit]
Fly on toward the Northeast with your Driver. Trevor wants to keep the helicopter fairly level as Lester shows a surprising proficiency in using a Guided Rocket Launcher. He will fire off a good number of rockets and be fairly accurate.
The team will eventually come to the Wind Farm. Get up higher until you are very good at deal with close quarters maneuvering in a Helicopter. Just deal with the remaining Helicopters after and get through the wind farm. You will finish off the resistant from Merryweather. Now for the closing parts of the heist.
