Mission 2: Precious CargoIf you haven't got a parachute yet from open combat missions, follow Graves initial instructions to search the first cargo container where you'll find a parachute. Grab this, take a left as you leave the cargo container and head South East towards the large yellow cargo container crane. The large white building beside it is the Harbourmaster's Building we need to land on. At the base of the Crane you can either rappel ascend up or climb the ladder to the top. Now run down the crane arm towards the Harbourmaster's Building, jump and press
to open the parachute. You should drop slightly short but able to grapple yourself onto the roof with
. Run into the middle of the roof and the achievement should pop. Video guide below: