Table 3. MOORING SERVICE TYPES
This category covers moorings for mild weather
(sustained winds of less than 34 knots; below
gale force) and currents less than 1 knot.
Mooring situations include ammunition
facilities, fueling facilities, deperming
facilities, and ports of call. Use of these
moorings is normally selected in concert with
This category covers moorings that are used in
storm conditions of less than 64 knots.
Moorings include standard and nested mooring.
Vessel will leave prior to an approaching
hurricane, typhoon, surge or other extreme
This category covers moorings of vessels that
cannot or may not get underway prior to an
approaching hurricane or typhoon. Moorings
include fitting-out, repair, drydocking, and
overhaul berthing facilities.
This category covers moorings that are used to
permanently moor a vessel that will not leave
in case of a hurricane, typhoon, or surge.
Moorings include inactive ships, floating
drydocks, ship museums, training berthing
NFESC TR-6012-OCN Rev B
U.S. NAVY HEAVY WEATHER
MOORING SAFETY REQUIREMENTS