The marine sextant is subject to seven different types of errors, four of which may be corrected by the navigator. An error NOT correctable by the navigator is __________.
A
index error
B
prismatic error
C
perpendicularity of the horizon glass
D
perpendicularity of the index mirror
E
İlgili Sorular
Every U.S. crude oil tankship with a keel laying date on or after 1/1/75, shall be equipped with an ...If a vessel takes a sudden, severe list or trim from an unknown cause, you should FIRST ___________...While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice ...For a given weight of cargo, the stress on the heel block of a cargo boom __________.You are transferring fuel from a supply vessel to your MODU. If you close off one tank in the line o...