教案unit5-1

青岛港湾职业技术学院授课教案编号：第周第次课题Unit 5 Navigation班级10航海一、三、五授课日期2011年月日星期一目的与要求1. Lead Ss to know the English expression about navigation.2. Help the Ss to understand the sentences in listening section.3. Help the Ss to express the relevant expression correctly.重点New Words ＆Phrases and Expressions难点To get the implied meaning of a statement, conversation and passage. Oral presentation授课方式Lecturing and Classroom Interaction Activities 教具Language lab教学过程设计1.LeadinBackground knowledge about cargo handling 2. Listening practiceExplanation to some language pointsMore practice3. Statement4. Simple questions5. AssignmentMaster the useful expressions;Give a speech according to the give topic教学过程1. lead-inBackground knowledge about navigation. 2. listening practiceFloating ice---浮冰 submerged ice---潜冰，暗冰 Iceberg —冰山 pack ice---浮冰群，大块浮冰 Ice —breaker —破冰船 datum---基准面，基准线 The charted depth of water---海图（标出的）深度 Charted light —海图上所标注的灯 Adrift---漂浮 vicinity----附近区域 Superbuoy---大型浮标 transshipment---转船，转运 Uncharted rock---海图上未做标记的岩石 Uncharted wreck---海图上未做标记的沉船 Uncharted reef---海图上未做标记的礁石 Uncharted shoal---海图上未做标记的浅滩 Avoid passing to leeward---绕过下风舷 No possibility for the vessel to turn—it ’s impossible for the vessel to turn Fishing gear has fouled my propeller ----my propeller has been twisted with fishing gear. Advise you recover your fishing gear ---it is recommended that your pull back your fishing gear. Rig the accommodation ladder in combination with the pilot ladder ---the pilot ladder shall be rigged combined with accommodation ladderRig the pilot ladder on leeside 1.5meters above water----the pilot ladder shall be rigged on leeside.Veering---风转向 atmospheric pressure---大气压Barometric change---气压变化Barometer---气压计radius----半径Semicircle---半圆Calm sea---无浪calm-rippled---微浪Slight sea---轻浪moderate sea---中浪Rough sea---大浪very rough sea---巨浪High sea---狂浪very high sea---狂涛3. Statement1. Describe the duties of watch-keeping when underway.a) General rules as to watch-keeping.b) Items to be checked and monitored each watch.c) Special attention for bridge watch-keeping.-------------------------------------------------------------------------The 3rd officer is responsible for navigational watch when the vessel is underway.a.) To read, understand and sign the Captain’s standing orders.To check the ship’s position, intended course and the course being steered. b.) To check the errors of the compass; the speed and draft of the ship.to observe prevailing weather and sea conditions;to understand the state of navigation equipment internal ship systems, engine and cargo monitoring, communications and crew availability;to be aware of all traffic in the vicinity; the conditions and hazards, the effects of heel, trim, and water density on the under keel clearance; to understand the state ofc.) To ensure that the required lookout and helmsman, as appropriate, are onduty, alert and properly instructed. And maintain a security watch.2. Describe the bridge shift change.a) The conditions which must be satisfied before taking over a bridge watch.b) The procedures for shift change.c) Special attention for shift change.--------------------------------------------------------------------------a) Change shifts once every 4 hours on the bridge.b) The successor should come onto the bridge 15 minutes earlier.1) The handing over officer shall introduce the circumstances at present,tell the successor what navigational equipment are in use and their working condition, etc.2) The relieving officer should check the ship’s route against the chart tosee if there is any obstruction on the passage. If at night, he has to take time to adjust vision for a night watch. Check the navigational lights, the equipment like GPS, radar, etc.3) The relieved officer has to pass them on to the relieving officer.c) If some measures are being taken to avoid collision, the successor shouldtake over the shift after that.4. Simple questions1. Why is it important to sound fog signals?- ---To meet the requirements of COLREG 72 on sounding fog signals.2. When would you sound the general alarm?---Only in real emergencies where there is no time to telephone or sound the whistle.3. When should an OWW notify the master immediately for emergencyship-handling or complicated navigation? Please list some.----The OOW will notify the master in conditions such as:equipment failure, distress call, heavy traffic, poor visibility, or at other critical moment.4. How does the OWW assess risk of collision generally?----According to the relevant provisions in the COLREG.5. How should the relieving officer behave in case a bridge manoeuvrealready took place but not has been over?----The handover must be deferred until the action is completedand the vessel is in a safe condition.6. List the main items to be update on the pilot card？----It includes the particulars of the ship, conditions of thefacilities, shipboard manning, defects which might affectsafe navigation.7. Besides the collision risks, what else should you monitor on watch inreduced visibility?----Generally the compasses and bridge equipment.8. How do you know the VHF channels to be monitored when leaving port? ----By checking the plan, asking the pilot and consulting theAdmiralty List of Radio Signals.9. What should be Master expect from the OWW on arriving at the bridge? ----A brief description of the most critical threat and the intended actions followed by a general summary of the situation.10. What should be in attendance when a pilot is on the ladder?----An officer with radio communication to the bridge. Any crewmember should also be in attendance in case of an emergency.11. When would you instruct a lookout to assist you on the bridge?----A lookout will be posted by standing orders, when the visibility deteriorates, or in case of other difficult or emergent situations.12. What effect will general alarm have on all the crew?----On hearing the general alarm, all crewmembers should go immediately to their emergency stations.13. Why is record keeping a necessary part of watchkeeping?----Make responsibilities clear, summarize experiences.14. Apart from those for navigation safety, what else should you do on ananchor watch?---- I would monitor communications. Comply with theCOLREG 72 for a vessel at anchor. Maintain a securitywatch.15. How do you conveniently, check the compass error in pilotage waters? ----By taking transits or verifying heading marks by a compass bearing.5. AssignmentMaster the useful expressions;What course in degrees corresponds to south-east?---135°What is the angle between magnetic and true meridian called?-- variationWhere can you always find information about the magnetic variation?--- The charts, compass rose, professional variation chart.Describe the preparations to be done by the Deck Department prior to arrival.a) General introduction of the responsibilities of Deck Department in pre-arrival situation.b) Preparations to be done prior to arrival.----------------------------------------------------------------------------a.) Prior to arrival, the deck department shall check and test all navigation aids, windlass and winches, the emergency steering gear and main engine. Get everything ready for cargo handling. Prepare signal lights and national flagsb.) Deck department shall prepare hawsers for mooring and pilot ladder for pilot embarkation. Carry out necessary inspection and so on.。