MOBOARDs
Rules of the Road
Navigation and Shiphandling
Charts and Publications
SWOtivation
100

The purpose of the 5:1 scale on a maneuvering board.

What is to measure speed?

100

Any aircraft designed to maneuver on the water.

What is a seaplane?

100

An object in motion tends to stay in motion unless acted upon by an outside force.

What is Inertia? (Newton's 1st Law)

100

Two types of chart projections.

What are Mercator and Gnomonic?

100

The two ships LT Robbins has served on.

What are the USS PORTER and USS SHOUP?

200

CPA is made up of three components: time, bearing, and ____.

What is range?

200

Lights shall be displayed in conditions of restricted visibility, all circumstances when deemed appropriate, and _____.

What is from sunset to sunrise?

200

____ is an indication of deteriorating weather; your ship may encounter a storm soon.

What is falling or decreasing barometric pressure?
200

Reference of nautical chart symbols, abbreviations, and terms.

What is Chart No. 1?

200

This segment of GPS is used to process data and update satellite navigation messages.

What is the Control Segment?

300

For a stationing problem, the guide is located at the center and the er vector is plotted using this information.

What is Base Course/Speed?

300

An overtaking situation exists when vessel approaches another vessel more than this measurement abaft the beam.

What is 22.5 degrees?

300

This product from the METOC community provides information to ships at sea about weather forecasts and recommended routes, if necessary.

What is Optimal Track Ship Routing (OTSR)?

300

Two organizations responsible for producing nautical charts.

What are NGA and NOAA?
300

Publication used to alert mariners of any necessary corrections to navigation references and charts. Updated weekly.

What is Notice to Mariners (NTM)?

400

The magnitude of this vector is the SRM in the direction of the DRM.

What is the rm vector?

400

Five or more short blasts of the ship's whistle.

What is the Danger Signal?

400

When determining rudder angle, a good rule of thumb is to ensure speed and rudder angle add up to less than ____.

What is 30?

400

Best type of chart to use when planning trans-oceanic routes.

What is Gnomonic Projection?

400

Tidal reference plane used to determine the height of bridges on a chart.

What is Mean Higher High Water (MHHW)?

500

This type ship warrants the 3-2-1 rule - pass no closer than 3 NM ahead, 2 NM abeam, or 1 NM astern.

What is an aircraft carrier (CVN)?

500

A yellow light over a stern light indicates ____.

What is a vessel towing astern?

500

The Passing Ship Effect is an example of this type of force.

What is Semi-Controllable?

500

Total number of regions in the Digital Nautical Chart (DNC) Library.

What is 29?

500

The accolade or title is traditionally given to mariners who have crossed the Arctic Circle while onboard a ship.

What is Blue Nose?