Oral examination with reference to the standard examination compass binnacle and equipment. in the following aspects of adjusting:
| (a) |
Types of compasses on the vessels concerned; |
| (b) |
specification of card and liquid; |
| (c) |
testing for mechanical deficiencies and topping up; |
| (d) |
accessories and equipment- test for faults and alignment; |
| (e) |
correctors-test for permanent magnetism; |
| (f) |
function of correctors; |
| (g) |
siting of correctors; |
| (h) |
sequence of placing correctors; |
| (i) |
methods of determining deviations, with particular reference to types of vessels concerned; |
| (j) |
dealing with interfering fields caused other than by hard iron and soft iron effects; |
| (k) |
safety of navigation requirements relating to compasses and compass equipment; |
| (I) |
modus operandi of adjustment; |
| (m) |
residual deviations-factors to be taken into account when determining whether further adjustment should be contemplated. |