The ancient navigator relied on his compass, his sight and a keen sense of direction to aid him as he plotted his course along coastwise bays and rivers.
At sea, a different set of tools accompanied him, such as the backstaff, sextant and the astrolabe, for celestial computations. Though these tools today occupy the casks and pockets of sailing legends, forgotten are the skills and principles of near coastal point-to-point range and bearings, and terrestrial navigation, in which finding this micro geocache will be an exercise.
At the published coordinates we will pretend a great lighthouse exists. It has an all-round lantern with a visibility of 2000 yards under all atmospheric conditions, but dims quickly in the fog afterward.
The Harbormaster has tasked our captain to make for a shipwreck in the shallows, where from the ruined mast there hangs a locket with a note inside. Only the worthiest sailors may sign the scroll inside the locket.
The shipwreck lies where the lighthouse’s beacon can be seen at all times, and the lighthouse bears 272° true from the wreck’s mast.
Our sailor’s vessel is at Reference Point 1 and he is making good a course over ground of 017° true, sailing directly for the shipwreck. Our sailor knows also he must hold this course and stay well to the west of the rocks upon which the ship was grounded.
Confidence checker: The shipwreck’s longitude is W 092.450000°.
Note about the final location: It's in a parking area off of a major street and there is no need to enter any restricted area. T=2 because of a higher-than normal reach may be required.
You can check your answers for this puzzle on GeoChecker.com.