NJROTC Study Guide - Exam Study Guide

Vocabulary flashcards from NJROTC Study Guide covering Navy ranks, ship terms, navigation, and other key concepts.

Captain (Navy)

Pay Grade: 0-6, Equivalent Marine Corps Rank: Colonel.

Master Chief (Navy)

Full Rank: Master Chief Petty Officer (E-9).

Officer Lineal Number

An 8-digit number assigned to Navy officers, used to determine seniority among officers of the same rank.

12-Hour Clock System

Divides the day into two 12-hour periods, from 1 AM to 12 PM.

24-Hour Clock System

Military time representation, where hours are counted from 0000 to 2359.

Bulkhead

Wall of a ship.

Ladder

Stairs on a ship.

Head

Bathroom on a ship.

Rack

Bed on a ship.

Galley/Chow Hall

Dining area on a ship.

Boom

Supports the main sail; applicable to sailing vessels.

Rudder

Steers the ship.

EPIRB

Emergency Position Indicating Radio Beacon used to send a distress signal.

SCUBA

Self-Contained Underwater Breathing Apparatus.

Squid

Slang term for a Navy sailor.

Scuttlebutt

Rumors or gossip or also refers to the ship's water fountain.

Windward

The side facing the wind.

Leeward

The side away from the wind.

Flood Tide

Water moving toward shore.

Ebb Tide

Water moving away from shore.

Slack Water

Little or no current between tide changes.

Variation (Compass Terms)

Difference between True North and Magnetic North.

Deviation (Compass Terms)

Compass error caused by nearby metal or electronics.

Red Lights at Night

Preserves night vision and allows sailors to read charts in darkness.

Nominal Range

Distance a light should be visible in clear weather.

Luminous Range

Actual distance a light is visible based on weather conditions.

Set (Navigation)

Direction the current pushes the ship.

Drift (Navigation)

Speed of the current.

Dead Reckoning

Navigation using course direction, speed, time traveled, adjusted for set and drift.

Advance (Navigation)

Distance forward during a turn.

Transfer (Navigation)

Sideways movement during a turn.

Star Navigation

Technique using stars to determine position.

Clear Ocean Water

The blue color of water comes from light scattering.

Jack

Small blue flag flown from the jackstaff at the front of a Navy ship.

Gaylord

Ventilation system above the galley stove.

Planter that rotates clockwise

Venus

Largest organ in body

Skin

Capital of India

New Delhi

San Francisco Bay prison

Alcatraz

Davy Jones

Legendary ruler of the ocean depths in maritime folklore

Stand of the Tide

Period when water level stops rising of falling

Fog Horns

Used when visibility is low, different sound patterns identify ships

Buoys

Mark safe channels and hazards. Red right and even, Green left and odd coming from sea. Highway of the Ocean

Latitude

Lines run east to west, 60 nautical miles

Sun distance from earth

Takes 8 minutes and 20 seconds to reach earth

Main Deck

Next level up: O1 going up one deck from the main deck

Port side

Left side of the ship when facing forward

Where do officers eat

Wardroom

Where do Chief petty officers eat

Goat locker or Chiefs Mess