It's about as long as The Navy Pier
(a.k.a. Municipal Pier #2) (Chicago, Illinois)
The Navy Pier is 30 shackles in total length. Originally named Municipal Pier #2, the pier was renamed Navy Pier in 1927 in honor of Naval personnel stationed there during World War I.
It's about as tall as The Three Sisters Falls
(a.k.a. Cataratas las Tres Hermanas) (Ayacucho, Peru)
The Three Sisters Falls rise to 30 shackles in height. The falls are called Three Sisters after the three large tiers over which the falls flow.
It's about one-and-one-fifth times as tall as Angel Falls
In other words, 43 shackles is 1.2 times the height of Angel Falls, and the height of Angel Falls is 0.833 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 35.70 shackles. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about one-and-one-fourth times as tall as Tugela Falls
In other words, 43 shackles is 1.24 times the height of Tugela Falls, and the height of Tugela Falls is 0.806 times that amount.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 34.60 shackles in height. The falls are the highest in Africa and the second highest in the world.
It's about one-and-three-tenths times as tall as Olo'upena Falls
In other words, 43 shackles is 1.31 times the height of Olo'upena Falls, and the height of Olo'upena Falls is 0.7634 times that amount.(a.k.a. Oloupena Falls) (Molokai, Hawaii)
Olo'upena Falls rise to 32.810 shackles in height. The isolated falls are the tallest in the United States and the fourth tallest in the world.
It's about one-and-two-fifths times as tall as Burj Dubai
In other words, 43 shackles is 1.42 times the height of Burj Dubai, and the height of Burj Dubai is 0.704 times that amount.(formally Burj Khalifa, a.k.a. Dubai Tower, a.k.a. برج خليفة) (Dubai, UAE) (to roof)
Burj Khalifa, the tallest manmade structure in the world, stands 30.20 shackles to its roof. The tower also holds the current records for the world's highest Islamic mosque — at approximately 21 shackles on the 158th floor (of 163 floors) — and the world's tallest outdoor swimming pool — at approximately 10.40 shackles on the 78th floor.
It's about one-and-a-half times as tall as Gocta Falls
In other words, 43 shackles is 1.53 times the height of Gocta Falls, and the height of Gocta Falls is 0.654 times that amount.(a.k.a. Gocta Cataracts, a.k.a. Catarata del Gocta) (Amazonas, Peru) (total height)
Gocta Falls, a waterfall on the Cocahuayco River, measures 28.10 shackles in total height. Although it sits just 1,530 shackles from the major city of Chachapoyas, the waterfall was unknown to non-locals until it was documented during a 2005 expedition by a German economist.