Podcast
Questions and Answers
Which term refers to the position obtained by applying only your vessel's course and speed to a known position?
Which term refers to the position obtained by applying only your vessel's course and speed to a known position?
- Estimated position
- Assumed position
- Projected position
- Applied position (correct)
What is the term for the process of calculating the vessel's position using only its course and speed?
What is the term for the process of calculating the vessel's position using only its course and speed?
- Dead-reckoning (correct)
- Probable position
- Fix
- Applied position
What is the term for the position obtained by applying only the vessel's course and speed, without considering other factors?
What is the term for the position obtained by applying only the vessel's course and speed, without considering other factors?
- Assumed position (correct)
- Estimated position
- Applied position
- Projected position
Which term refers to the position obtained by applying only your vessel's course and speed to a known position?
Which term refers to the position obtained by applying only your vessel's course and speed to a known position?
Where can the data relating to the direction and velocity of rotary tidal currents be found?
Where can the data relating to the direction and velocity of rotary tidal currents be found?
What is the dividing meridian between zone descriptions +4 and +5?
What is the dividing meridian between zone descriptions +4 and +5?
What do you call the altitude after applying the Dip and index error?
What do you call the altitude after applying the Dip and index error?
What should the new helmsman know when relieving the helm?
What should the new helmsman know when relieving the helm?
Flashcards
Applied Position
Applied Position
The position determined using only course and speed from a known starting point.
Dead-reckoning
Dead-reckoning
Estimating a vessel's current position based on its recorded speed and course over a period of time.
Assumed Position
Assumed Position
Position that is initially assumed for calculating lines of position.
Tidal Current Tables
Tidal Current Tables
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67° 30’ W
67° 30’ W
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Apparent Altitude
Apparent Altitude
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Maximum Rudder Angle
Maximum Rudder Angle
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Study Notes
Dead Reckoning
- Dead reckoning refers to the position obtained by applying only the vessel's course and speed to a known position.
- Dead reckoning is the process of calculating the vessel's position using only its course and speed.
Tidal Currents
- Data relating to the direction and velocity of rotary tidal currents can be found in tidal current tables.
Time Zones
- The 60°W meridian is the dividing meridian between zone descriptions +4 and +5.
Altitude
- After applying the Dip and index error, the altitude is called the "observed altitude".
Helmsman
- When relieving the helm, the new helmsman should know the vessel's current speed and direction.
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