A towing vessel is tripped when().
A、it is overtaken by the tow
B、it is pulled sideways by the tow
C、the weight of the towing hawser causes loss of maneuverability
D、the propeller is fouled by the towing hawser
A、it is overtaken by the tow
B、it is pulled sideways by the tow
C、the weight of the towing hawser causes loss of maneuverability
D、the propeller is fouled by the towing hawser
A、towing vessel is less than 50 meters B、towing vessel is greater than 50 meters C、tow is less than 200 meters D、tow is greater than 200 meters
A、only if she is towing astern B、only if the tow exceeds 200 meters C、at any time when towing D、if the towing vessel is part of a composite unit
A、A.shock loading on the tow line is reduce B、B.towing speed is improved C、C.the vessel is more visible from the tug D、D.the catenary of the tow line is reduced
A、vessel not under command B、sailing vessel C、vessel being towed (manned) D、vessel being towed (unmanned)
A、the last vessel in the tow B、the last vessel in the tow and it is carrying a crew C、manned,regardless of its position in the tow D、None of the above are correct
A、need not show the lights for a vessel engaged in towing,if it is impractical to do so B、may show the lights for a vessel not under command C、must show a yellow light above the stern light D、must show the lights for a vessel towing
A、A.need not show the lights for a vessel engaged in towing,if it is impractical to do so B、B.may show the lights for a vessel not under command C、C.must show a yellow light above the stern light D、D.must show the lights for a vessel towing
A、A vessel picking up a navigation mark B、A vessel transferring cargo while underway C、A vessel whose anchor is fouled D、A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
A、A vessel picking up a navigation mark B、A vessel transferring cargo while underway C、A vessel whose anchor is fouled D、A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course