On navigational aids，what does the light characteristic Fl(2+1) mean?（）

相似题目

• No damage of any kind（）aids to navigation or navigation facilities.

  A . should be done to B . should not be done to C . must be done with D . must not be done with

  查看最佳答案

• Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.

  A . no notice B . one day's notice C . a week's notice D . thirty (30) days notice

  查看最佳答案

• What does the term to navigate with caution mean?（）.

  A . To navigate intentionally B . To navigate intensely C . To navigate carefully D . To navigate completely

  查看最佳答案

• Aids to navigation marking the intracoastal waterway can be identified by（）.

  A . the letters ICW after the aid's number or letter B . yellow stripes，squares，or triangles marked on them C . white retroreflective material D . the light characteristic and color for lighted aid

  查看最佳答案

• When navigating in thick fog with the radar on，you should（）.

  A . station the look-out in the wheelhouse to keep a continuous watch on the radar B . secure the sounding of fog signals until a vessel closes within five miles C . station a look-out as low down and far forward as possible D . keep the radar on the shortest available range for early detection of approaching vessel

  查看最佳答案

• To determine what navigation lights and day-shapes must be displayed on mobile offshore drilling units under tow，you should check the（）.

  A . American Bureau of Shipping classification rules B . International Regulations for Preventing Collisions at Sea C . Safety of Life at Sea Convention D . Minerals Management Service rule

  查看最佳答案

• The loran lines drawn on navigation charts represent（）.

  A . Ground waves B . Skywaves C . Either ground waves or skywaves interchangeably D . An average between ground wave and skywave positio

  查看最佳答案

• The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.

  A . ascending the river B . descending the river C . crossing the river D . proceeding towards sea

  查看最佳答案

• There are many navigational aids（）.

  A . in chief engineer's room B . in chief officer's room C . on the bridge D . on deck

  查看最佳答案

• A ship must report a collision with an aid to navigation maintained by the Coast Guard to which office?（）

  A . Nearest Oceanographic office B . The Marine Safety Center at Coast Guard Headquarters C . National Ocean Service D . Nearest Officer in Charge，Marine Inspectio

  查看最佳答案

• On this chart only the principle （） to navigation are shown．

  A . equipment's B . tools C . apparatus D . aid

  查看最佳答案

• Preferred channel marks are aids to navigation which all following marks other than（）．

  A . channel junctions B . bifurcations C . fishing traps D . wrecks or obstructio

  查看最佳答案

• When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.

  A、a straight line drawn on the chart approximates a great circle B、the chart should not be used outside of the standard parallels C、the course angle is measured at the mid-longitude of the track line D、Distance cannot be measured directly from the chart

  查看最佳答案

• An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）

  A . Three lights in a vertical line，the highest and lowest red and the middle white，and anchor lights B . Three lights in a vertical line，the highest and lowest red and the middle white，ONLY C . Anchor lights ONLY D . Anchor lights and sidelights ONLY

  查看最佳答案

• Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of（）.

  A . marine broadcast Notice to Mariners B . Weekly Notices to Mariners C . corrected editions of charts D . Light List

  查看最佳答案

• A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word（）.

  A . PAN-PAN B . MAYDAY C . SOS D . SECURITY

  查看最佳答案

• The World AIDS Day is designated on_____.

  查看最佳答案

• All of the following information concerning lighted aids to navigation may be read directly from the light list except the ______

  查看最佳答案

• 99. The officer in charge of the navigational watch shall continue to be responsible for the safe navigation of the ship despite the ______ of the master on the bridge.

  查看最佳答案

• 257. No damage of any kind ____ aids to navigation or navigation facilities.

  查看最佳答案

• 177. Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of ______

  查看最佳答案

• 4. Aids to navigation in the Straits are ______to maintain and may be______.

  查看最佳答案

• 192. The period of a lighted aid to navigation refers to the _____ .

  查看最佳答案

• 152. When navigating in high latitudes and using a chart based on a Lambert conformal projection , ______

  查看最佳答案