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 TB 55-1900-201-45/1
make the vessel unseaworthy. In nonstructural areas and vessel machinery, the surveyor is looking for elements that
require repair, overhaul, replacement, painting, etc., to maintain the vessel in an operational condition until the next
scheduled survey and repair cycle.
g. A survey is conducted to determine two factors:
(1)
That the vessel is safe and has a reasonable chance of remaining so until the next scheduled survey.
(2) To cover all aspects of vessel machinery and equipment used in operating and outfitting of the vessel
and all nonstructural elements of vessel that may require repair.
1-3. Categories of Deficiencies. The major categories of deficiencies are as follows:
a. Deterioration - General or Local.
b. Hull Defects (Structural Failure). A structural failure may consist of either a fracture or a buckle occurring un-
der normal operating conditions.
c. Hull Damage (Marine Casualty). A casualty consists of one or more structural failures which have occurred on
the same occasion, on a vessel which is afloat.
(1) Any collision, grounding, fire, explosion or other accidents -involving an Army vessel which results in
damage to or loss of the vessel. Reference AR 55-19.
(2)
Other marine casualties concerning property damage, injury or loss of life. Reference AR 55-19.
d. While it is logical to expect more of these difficulties on the older vessels and on vessels which have seen
rough service, inspection of the newer vessels is also required, because some of these defects can occur even after
relatively short service. These areas are indicated in Sections I, II, III, and IV and detail some of the particular points
which special attention should be given in conducting a hull examination.
e. When in the course of such an inspection, one or more of these deficiencies are encountered, the surveyor
must first evaluate if seaworthiness has been compromised. This calls for considerable discretion because the line of
demarcation between what is seaworthy and what is not, is necessarily approximate and subject to some range of inter-
pretation. The following factors must be weighed in this determination:
(1)
The extent and degree of :deterioration.
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