Acts 27:29
So, fearing the possibility of being run aground on a rocky shore, they dropped four anchors from the stern and longed for daylight [to come].
Acts 27:17
And when they [finally] got the boat hoisted up, they slung [rope] cables underneath [and around] the hull [of the ship to reinforce it]. Then, fearing the ship would run aground on the [shifting], shallow sandbar [called] Syrtis, they lowered their [navigation] gear [Note: This may have been sails, rigging, etc.] and so were driven [as a derelict by the wind].
Acts 27:26
But we must be washed onto the shore of a certain island."
Acts 27:30
The crew had [by now] lowered the life-boat into the water, pretending to be dropping anchors from the bow, [but were in reality] attempting to abandon ship.
Acts 27:40-41
[Finally] they cut the ropes, dropping the anchors into the water and at the same time they released the oars used for steering. Then they hoisted the bow-sail to the wind and headed [straight] for the beach.
Hebrews 6:19
We have this hope as an anchor for the soul, [a hope] that is safe and secure, and one that enters the curtain [i.e., figuratively, of the heavenly sanctuary],