- Study guides, Class notes & Summaries

INAV 1 midterm q

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3 pages

Written in 2025/2026

Grade A+

Resolution

What is the minimal number of satellites needed for a 3-d Fix - Answer -4 GPS receivers determine their range from a specific space vehicle (satellite) by measuring what? - Answer -Measures distance from a known ground station in range The ______ is transmitted via the carrier signal from a GPS satellite with information regarding its position, time, and the position of the other GPS Satellites in orbit - Answer -Almanac Class A transponder should have an effective range of - Answer...

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7 pages

Written in 2025/2026

Grade A

GEEKA

in a search and rescue situation, usually the first vessel to arrive on scene fills this role - Answer -on scene coordinator when conducting a helicopter evacuation while underway, it is best to put the wind ______ - Answer -almost 30 degree off the bow a term used to describe the dip in a towline that acts as a shock absorber is - Answer -catenary when entering an area where ice conditions exist, the Master should reduce speed and - Answer -post additional look-outs a convention...

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10 pages

Written in 2025/2026

Grade A+

GEEKA

The directive force of a gyrocompass ___________________ - Answer -decreases with latitude, being maximum at the geographic equator. A system of reservoirs and connecting tubes in a gyrocompass is called a ________________________ - Answer -mercury ballistic Which statement about gyrocompass error is true? - Answer -The amount of error and the sign will generally be on the same heading Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are _______________...

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6 pages

Written in 2025/2026

Grade A+

GEEKA

Term that indicates your GPS receiver is using satellites with the best geometry to yield a fix? - Answer -Positional Dilution of Precession What's the minimal # of satellites needed for a 3D Fix? - Answer -4 What type of speed does a GPS Receiver calculate? - Answer -Speed over Ground (SOG) How many orbital planes do GPS satellites use? - Answer -6 What segment of the GPS system incorporates the satellite? - Answer -Space Segment What segment of the GPS System does the Ma...

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3 pages

Written in 2025/2026

Grade A+

GEEKA

Which data must ECDIS be able to record at one-minute intervals? - Answer -position, electronic navigational chart source, course made good history ______________ means a facsimile of a paper chart originated by, or distributed on the authority of, a government-authorized hydrographic office. - Answer -RNC ECDIS should emphasize the safety contour over other contours on the display. - Answer -true Crossing your safety contour will generate a(n) _______________ by the ECDIS. - Answer...

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9 pages

Written in 2025/2026

Grade A+

GEEKA

A transducer with a dual axis Janus Configuration allows for speed calculation in which direction - Answer -forward aft athwartships A possible remedy to a dragging anchor is? - Answer -paying out additional chain Dropping an additional anchor Heaving anchor and re-dropping in desired position When anchoring in deep water, 50 meters or more, it is best to: - Answer -walk the anchor to within about 15 feet of the bottom before dropping When choosing an anchorage, the depth of wa...

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6 pages

Written in 2025/2026

Grade A+

GEEKA

the radar control known as the sensitivity-time control is commonly refered to as - Answer -sea-clutter in a true motion ground stabilized radar display with a significant set and drift, and your vessel keeping a constant heading, a fixed object will - Answer -remain stationary using the e-r-m method of vector triangle plotting, the true motion movement of the target on the plotting sheet is designated as - Answer -E to M generally speaking, as a pulse repitition rate goes down on a ...

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13 pages

Written in 2025/2026

Grade A+

GEEKA

*Who is responsible for creating, approving, and executing the passage plan? - Answer -Second mate creates the plan Master approves the plan Bridge team executes the plan *What are the objectives of passage planning? - Answer -Safety of life at sea Safety and efficiency of navigation Protection of marine environment What is the most heavily regulated function of the vessel? - Answer -Watchkeeping Primary responsibility of watchkeeping - Answer -Safe navigation If in doubt - ...

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9 pages

Written in 2025/2026

Grade A+

GEEKA

What is the FLIP GP (General Planning), and list some of its important chapters? - Answer -Planning and procedural information Explanation of Terms - Definitions Flight Plans - Detailed instructions civil and mil FPs Pilot Procedures - Preflight, departure, enroute etc. Aviation Weather Codes - METARS/TAFs etc. Aircraft Codes - Codes for US mil A/C What are FLIP Enroute supplements? - Answer -2 books, IFR and VFR, directory of airports available to military A/C. Comms, lighting...

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11 pages

Written in 2025/2026

Grade A+

GEEKA

When do you NOT lead a turn? - Answer -- You are tracking an IAF on a procedure turn or procedure track and heading is greater than 90* from outbound course track - You use the holding procedure course reversal - You are flying Point to Point What does a special instrument rating allow you to do? - Answer -Allows the pilot to takeoff below T/O mins What are the criteria for a Groundspeed Check? - Answer -- Tracking radials in or outbound - At cruising altitude in unaccelerated flight...

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5 pages

Written in 2025/2026

Grade A+

GEEKA

Which of the following substances would provide the best holding ground for your anchor - Answer -Clay In relation to the turning circle of a ship the term "kick" means the distance - Answer -Gained in the direction of the original course The direction anchor chain lays upon being deployed should be relayed to the bridge via the - Answer -Point system Which of the following is not an effect of shallow water on your vessel - Answer -The vessel has better rudder effectiveness ...

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6 pages

Written in 2025/2026

Grade A+

GEEKA

INAV 2 TEST 2 QUESTIONS & ANSWERS If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all of the following EXCEPT _________. - Answer -tidal currents Crossing your safety contour will trigger a ____________. - Answer -alarm ECDIS should provide an indication of - Answer -both A and B [A. The information displayed at a larger scale than that contained in the ENC B. Own ships position is covered by an ENC at a larger scale tha...

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4 pages

Written in 2025/2026

Grade A+

GEEKA

When the engine of a helicopter is started, the controls should be manned by a qualified ____. Commanding Officers may authorize certain specifically qualified personnel, other than pilots, to ground test helicopters when a pilot is not available. Rotors shall not be engaged except by a qualified ______. - Answer -Helicopter pilot... helicopter pilot (OPNAV) Inflatable life preservers shall be worn during all flights originating from or terminating on ships or landing platforms and should be...

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16 pages

Written in 2025/2026

Grade A+

GEEKA

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9 pages

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Grade A+

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8 pages

Written in 2025/2026

Grade A+

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