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TB 55-1900-232-10
i.
Provide list of riding crew to enter in towing ship's diary (name, rate, SSN, and NOK; address and phone
number of rider and NOK for civilians).
j.
If the preparing activity normally is responsible for training the crew m damage control and support systems,
are they trained?
k.
Is habitability and sustenance sufficient from on-board assets?
6.
Seaworthiness'
a.
Is the craft in proper trim?
(Note. For a ship/craft to be in proper trim for towing, it should draw approximately one foot morewater
aft
than it does forward for each 100 feet of length. Deep draft tows use somewhat less than ne foot. Before trimming
o
excessively, ensure that drafts obtained will allow sufficient clearing of thebottom at point of departure, transit, and
point of delivery, and that stability of tow is not impaired )
b.
Will craft require ballast?
c.
If so, what type of ballast?
d.
Describe where ballast will be placed and how much
e.
Draft after craft is in proper trim': fwd
aft
max navigational draft
f.
GM after craft is in proper trim
g.
KG after craft is in proper trim
h.
If GM is not known, "sally ship" to establish period of roll.
Normally T = 2V Beam (ft) is maximum period. The measured period of roll will be useful in detecting
deteriorating stability during the tow
T = 2Beam (ft)
T (observed)
i.
Are all sea valves closed and wired shut?
Is there a two-valve protection from the sea for all sea openings?
H-4
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