CONFIDENTIAL/LOCSEN
3. SPEED
A maximum sustainable speed of not less than 25 knots in Sea State 3,
without undue crew discomfort, is required.
b. The vessel is to be capable of prolonged cruising at 8 knots in up to Sea
State 5, without undue crew discomfort. A lower sustainable speed is desirable.
NOTE The above speeds are to be achievable throughout the range from clean and
lightly loaded to deep and dirty in temperate waters, and for the
anticipated life of the craft.
4.
5.
ENDURANCE
8.
2500 n miles at 12 knots (6 months out of dook in temperate waters).
b. 10 days for water (assuming no distilling plant) and victualling stores.
NOTE Distilling plant desirable (space permitting)
C. 21 days for all other logistic items (Part J refers).
MAIN MACHINERY ARRANGEMENT
The main machinery is to be diesel, from DG Ships approved commercial
list or SYMES range.
b. Bridge control of main engines/steering and good manoeuvrability are
required to permit boarding operations and activities in confined waters.
(Part C paragraph 2b refers).
0.
Secondary methods of steering and propulsion control are required.
d. Rudders, as necessary to meet the requirement at b. above.
Stabilisers, as necessary to meet DG Ships to advise degree of roll
reduction practical in envisaged vessel7.
6.
LIMITATIONS ON DIMENSIONS
&. The vessel should be capable of sustaining 15 knots in Sea State 4 without
undue crew discomfort, It should also be capable of riding out a typhoon and
operating in open waters for up to 10 days. A minimum water line length of 45m
is considered necessary to meet these requirements and those stated in
paragraph 3 above.
3 "CONFIDENTIAL/LOCSEN