| The expected outcome is that the student... |
Supports STCW elements... |
TOPIC - Position lines and positions
- defines a position to include:
- dead reckoning position
- estimated position
- assumed position
- fixed position or running fix
- defines "dead reckoning position (DR)", "estimated position"
and "fixed position"
- plots a dead reckoning position on the chart
- plots an estimated position on the chart
- plots position lines - straight line, circle, hyperbola
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21A1.04
21A6
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TOPIC - Sailings
- defines "departure" and states the relationship to
difference of longitude
- defines "true course" and "rhumb line"
- derives the plane sailing formulae:
- cos course = difference in latitude ÷ distance
- sin course = departure (p) ÷ distance
- tan course = departure (p) ÷ difference in latitude (l)
- l = D x cos C
- D = L x sec C
- p = D x sin C
- calculates by plane sailing
- plane course
- plane distance
- plane course and distance
- latitude of arrival/departure by plane sailing
- longitude of arrival/departure by plane sailing
- latitude and longitude of arrival/departure by plane sailing
- explains the relationship between departure and difference
of longitude in cases involving a change of latitude, by using mean latitude
(mid-latitude)
- derives the mid-latitude sailing formulae:
- DLo = p x sec Lm
- p = DLo x cos Lm
- calculates by mid-latitude sailing
- mid-latitude course
- mid-latitude distance
- mid-latitude course and distance
- latitude of arrival/departure by mid-latitude sailing
- longitude of arrival/departure by mid-latitude sailing
- latitude and longitude of arrival/departure by mid-latitude sailing
- uses the parallel sailing formula:
- DLo = p x sec L
- p = DLo x cos L
- calculates by parallel sailing
- parallel course
- parallel distance
- parallel course and distance
- latitude of arrival/departure by parallel sailing
- longitude of arrival/departure by parallel sailing
- latitude and longitude of arrival/departure by parallel sailing
- defines "meridional parts" and "meridional difference" and
the relationship of Mercator and plane sailings
- uses the Mercator sailing formula:
- tan C = DLo ÷ m
- DLo = m x tan C
- D = l x sec C
- calculates by Mercator sailing
- Mercator course
- Mercator distance
- Mercator course distance
- latitude of arrival/departure by Mercator sailing
- longitude of arrival/departure by Mercator sailing
- latitude and longitude of arrival/departure by Mercator sailing
- calculates a DR position or an estimated position by using
the plane sailing formula, given compass course and compass error, distance by log,
estimated speed, tidal and current information and leeway
- describes the layout of a traverse table (3)
- derives the information required in a parallel or plane
sailing problem, using a traverse table or calculator
- solves problems of plane sailing, using a calculator
- solves problems of DR and fixing positions, using plotting
charts
- solves problems for estimated time of arrival (ETA)
- derives the great circle sailing formulae:
- D = cos-1 [sin DLo ÷ (sin L1 x sin L2) + (cos L1 x cos L2 x cos DLo)]
- C = tan-1 {sin DLo ÷ (cos L1 x tan L2) - (sin L1 x cos DLo)}
- Lv = cos-1 (cos L1 x sin C)
- DLov = sin-1 (cos C ÷ sin Lv)
- Dv = sin-1 (cos L1 x sin DLov)
- Lx = tan-1 (cos DLovx x tan Lv)
- calculates by great circle sailing
- great circle initial course
- great circle distance
- great circle distance and initial course
- latitude of the vertex by great circle sailing
- longitude of the vertex by great circle sailing
- points along the great circle route
- explains the function and purpose of composite sailing
- plans a voyage using composite sailing on gnomonic chart
numbers WOXZC 5270 or WOXZC 5274
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21A1
21A1.04
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TOPIC - Nautical Almanac
- describes the information contained in general in the
Nautical Almanac (NA) and in detail in the daily pages
- uses the tables of corrections and incremental corrections
in the Nautical Almanac
- determines the GP of the body by declination (latitude) and
GHA of the body (longitude)
- finds the LHA of a body, given the date, GMT and longitude
of the observer
- explains the importance of the First Point of Aries
- finds the LHA of Aries, given the date, GMT and longitude of
the observer
- explains what is meant by the sidereal hour angle of a star
and obtains it from the Nautical Almanac
- derives the LHA of a star from the LHA of Aries and the SHA
of the star
- uses the information in the Nautical Almanac to obtain the
LMT of the meridian passage of a body to the nearest minute and interpolates for the
observer's longitude when necessary for upper and lower transit as follows:
- time of meridian transit at upper or lower transit
- time of upper transit - sun
- time of upper transit - any body
- time of second estimate - sun (upper transit)
- time of lower transit - sun
- time of lower transit - any body
- uses the information in the Nautical Almanac to obtain the
LMT of the rising and setting phenomena for the sun and moon including the times of
civil and nautical twilight for the sun as follows
- zone time of sunrise
- zone time of sunset
- zone time of moonrise
- zone time of moonset
- uses the information in the Nautical Almanac to solve for
the following Astronomical and Celestial Computations
- solar time
- apparent time
- sidereal time/sidereal hour angle (SHA)
- lunar time
- time diagram
- Greenwich mean time (GMT) and date
- local mean time (LMT) and date
- zone time (ZT) and date
- equation of time
- time and latitude at local apparent noon (LAN)
- local hour angle (LHA)/local hour angle of Aries
- Greenwich hour angle (GHA)/geographic position (GP)
- meridian angle (t)
- observed altitude (Ho)
- right ascension (RA)
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21A1.01
21A1.05
21A1.09
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TOPIC - Hour angle
- describes the concept of the earth's axial rotation causing
change in the hour angle of bodies
- defines "Greenwich Hour Angle (GHA)", "Local Hour Angle
(LHA)" and longitude, and explains their relationship
- states the rate of change of GHA of the sun and Aries
- identifies the tabulation of SHA, GHA, and declination (and
"d" and "v" corrections) in the Nautical Almanac for all celestial bodies
- determines the geographical position of a body for any given
GMT
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21A1.01
21A1.05
21A1.09
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TOPIC - Daily motion and horizontal system of co-ordinates
- defines "celestial horizon", "zenith" and "nadir"
- defines "vertical circle" and "prime vertical circle"
- defines "elevated pole" and "depressed pole"
- proves that the altitude of the elevated pole is equal to
the observer's latitude
- defines the observer's upper and lower celestial meridian
- identifies the apparent daily path of all bodies
- defines "true altitude", "azimuth", and "true zenith
distance"
- explains the relationship between azimuth, quadrantal
bearings and 360° notation bearing
- recognizes rising and setting points and defines amplitude
- explains the meaning of the term circumpolar and describes
the conditions necessary for a body to be circumpolar
- describes the condition necessary for a body to cross the
prime vertical
- recognizes the parts of the spherical triangle
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21A1.01
21A6
21A1.09
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TOPIC - Sextant and altitude corrections
- defines "sextant altitudes" (hs)
- demonstrates how to read a sextant altitude (hs)
- shows how to correct a sextant into which has been
introduced one or more of error of perpendicularly, side error or index error
- explains the effects of non-correctable instrument error
corrections (I) which includes prismatic error, graduation error, and centering
error)
- explains the effects of personal error (PC)
- demonstrates how to find the index error (IC) of the sextant
by the horizon
- describes how to find the index error (IC) of the sextant by
the sun or star
- uses the sextant for taking vertical and horizontal angles
- describes the purpose of altitude correction
- defines "visible", "sensible" and "celestial" horizons
- defines "observed altitude" and "true altitude"
- defines "dip" (D), "refraction" (A2 and A3),
"semi-diameter", "parallax", and "non-standard conditions (A4) and explains their
causes
- computes apparent altitude (Ha). Apparent altitude (Ha) =
Sextant altitude (Hs) corrected for instrument error, index error and dip
- applies the sextant altitude corrections to Apparent
altitude (Ha) for refraction, semi-diameter, parallax and non-standard conditions
and explains the factors determining their magnitude for the computation of observed
altitude (Ho) for sun, moon, stars and planets.
- illustrates the effect of terrestrial refraction on the dip
and distance of the sea horizon
- uses the altitude correction tables in the Nautical
Almanac, including reference to critical tables, interpolation tables and
low-altitude correction tables to compute:
- low altitude sight for any body
- high altitude sight for any body
- back sight for any body
- obtains the true zenith distance from the true altitude of
the body (90° - Ho = ZD) ZD x 60' = radius of the circle of equal altitude
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21A1.01
21A1.05
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TOPIC - Time and equation of time
- defines the apparent solar day and states the relationship
between LHA (sun) and LAT
- defines the sidereal day and states that it is a fixed time
interval
- explains the reasons for the sun's irregular rate of change
of SHA and hence the necessity to adopt the astronomical mean sun for timekeeping
purposes
- defines the equation of time (ET) and its components
- determines the ET from the Almanac and its sign of
application
- defines the relationship between GMT, LMT and longitude
- defines zone times and standard times. (See Bowditch Table
36)
- explains how to alter the ship's time during a passage with
increasing or decreasing longitude
- demonstrates the use of time signals found in Radio Aids to
Navigation Pub. No. 117. Explains the difference between AT and UT1 or GMT.
- explains the use of DUT1 and its application; also where
found.
- calculates the chronometer error, chronometer rate and
daily difference or watch error by comparison
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21A1.09
21A2.02
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TOPIC - Latitude by meridian altitude
- applies the true zenith distance of a body (90° - Ho = ZD)
ZD x 60' = radius of the circle of equal altitude
- applies these correctly when the declination and latitude
have the same name
- applies these correctly when the declination and latitude
have different names
- illustrates the zenith diagram. states the relationship
between the altitude of the elevated pole and the latitude of the observer
- explains what is meant by a circumpolar star, and the terms
upper and lower transit
- finds the value of the polar distance of the body, using its
declination [90° - Ho = polar distance (Pd)]
- applies the polar distance to the true altitude of a body at
lower transit to find the altitude of the elevated pole and the latitude. Latitude
at lower transit = Observed altitude (Ho) + polar distance (Pd)
- states the direction of the position line through the
observer when taking a meridian altitude
- calculates latitude by meridian transit at upper or lower
transit for
- latitude by Polaris
- latitude at upper transit - sun (LAN)
- latitude at upper transit - sun (1200)
- latitude at upper transit - moon
- latitude at upper transit - star
- latitude at upper transit - planet
- latitude by Polaris
- latitude at lower transit - sun
- latitude at lower transit - moon
- latitude at lower transit - star
- latitude at lower transit - planet
- calculates latitude by ex-meridian at upper or lower
transit for using Bowditch Tables 29 and 30:
- ex-meridian - sun (upper transit)
- ex-meridian - moon (upper transit)
- ex-meridian - star (upper transit)
- ex-meridian - planet (upper transit)
- ex-meridian - sun (lower transit)
- ex-meridian - moon (lower transit)
- ex-meridian - star (lower transit)
- h. ex-meridian - planet (lower transit)
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21A1.01
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TOPIC - Position fixing
- combines the equinoctial and horizon system of co-ordinates
to determine the center and radius of a position circle and its direction in the
vicinity of a selected position
- applies the principles of sight reduction enabling the
navigator to draw a small part of the position circle in his vicinity to a practical
problem
- states the assumptions made when plotting celestial position
lines and the circumstances in which they may become significant
- determines the direction of a position line through an
observer and a position through which it passes
- defines and evaluates the co-latitude, polar distance and
zenith distance and uses them as the sides of the navigational triangle using a
diagramed approach by drawing the spherical triangle.
- solves the navigational triangle to find the calculated
zenith distance of the body when it is out of the meridian including double second
difference corrections
- applies this calculated zenith distance to the true zenith
distance of the body to find the intercept from the assumed position through which
to draw the line of position (LOP) utilizing the Marcq St. Hilaire method
- determines the true azimuth of the body from tables and
hence determines the direction of the position line
- finds the position of the observer at the time of the final
observation, given two or more position lines with the courses and distances run
between the observations (running fix) as follows:
- line of position - sun
- line of position - moon
- line of position - star
- line of position - planet
- fix at local apparent noon (LAN)
- fix at 1200 - sun
- running fix - sun
- running fix - moon
- i. running fix - star
- running fix - planet
- k. running fix - any body
- high altitude sight - circles of equal altitude
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21A1.09
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TOPIC - Star and planet observations
- identifies certain major stellar constellations and
navigational stars, describes their movement relative to Polaris and the movement of
Polaris with change of latitude
- identifies Polaris
- identifies the major constellations shows the common name
and Bayer name of the star the use to the Rude Star Finder as well as the following
computations:
- identification of major stars for observation
- identification of minor stars for observation
- identification of planets for observation
- star selection for observation
- moon/star and planet selection for observation
- describes the motion of the stars about Polaris
- describes the relationship between the altitude of Polaris
and the observer's latitude
- deduces from that the true altitude of Polaris can be used
to find the latitude of the observer with the use of Ho/latitude diagram
- enters the Polaris Tables with LHA of Aries to obtain the
corrections, - 1°, +a0, +a1, +a2, from Pole Star tables in the "Nautical Almanac"
and applies them to the apparent altitude (Ha) of Polaris to find the latitude of
the observer
- finds the true azimuth of Polaris from the tables and the
direction of the position line
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21A1.01
21A1.05
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TOPIC - Amplitude
- determines the observed altitude of the sun when the true
altitude is zero and the center of the body is on the celestial horizon. For the sun
, this occurs when the lower limb is approximately one half a diameter above the
visible horizon (21' of arc). For stars and planets, this occurs when the body is
approximately one sun diameter (32' of arc) above the visible horizon. For the moon,
it occurs when the upper limb is about on the visible horizon.
- explains the relationship of latitude and declination on
the computed value of amplitude observations. Using the formula Sin true amplitude =
sin declination ÷ cos latitude.
- explains the use of the prefix E (East) if the body is
rising, and W (West) if the body is setting; using the suffix N (North) or S (South)
to agree with the declination of the body and the conversion of true amplitude to
true azimuth (E-20°-S = True ø 110)
- calculates the LAT and LMT of the theoretical and visible
rising and setting of the sun
- extracts information from the tabulation of the rising and
setting of the sun in the Nautical Almanac
- Computes the true amplitude of the body on the visible
horizon using information from Bowditch, Tables 27 and 28.
- Computes true amplitude as follows:
- amplitude - sun (celestial horizon)
- amplitude - sun (visible horizon)
- amplitude - moon (celestial horizon)
- amplitude - moon (visible horizon)
- amplitude - star (celestial horizon)
- amplitude - star (visible horizon)
- amplitude - planet (celestial horizon)
- h. amplitude - planet (visible horizon)
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21A1.09
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TOPIC - Errors of compasses - Azimuths, amplitudes and ranges
- obtains the error of the magnetic compass or gyro compass
by comparing the compass bearing of the body with the true azimuth of the body
obtained at the time of observation
- computes the true azimuth of the body for comparison with
an observed azimuth from the Sight Reduction Tables for Marine Navigation, Pub. No.
229. Using the GMT of observation, information from the Nautical Almanac, LHA of the
body and the observer's DR position. It is necessary to compute a triple
interpolation for the tabular azimuth angle as extracted from the tables for the
differences between the table arguments and the actual values of declination,
latitude, and local hour angle (LHA).
- azimuth - sun
- azimuth - moon
- azimuth - star
- azimuth - planet
- azimuth - Polaris
- obtains from tables or by calculation, using the observer's
DR position and information from the Nautical Almanac, the true bearing of a
heavenly body on rising or setting, i.e. solves an amplitude problem
- obtains the magnetic variation for the observer's position,
using isogonal lines or other information on the chart
- applies variation to the error of the magnetic compass to
find the deviation for the direction of the ship's head
- calculates compass error and gyro error from transit
bearings and bearings to distant fixed objects (range) and entries in the compass
comparison book.
- defines "deviation" and states how it is named
- explains the construction and use of the deviation table
- explains the need for regular checking of the compass error
- explains why compass error should be checked after a major
alteration of course
- explains why regular comparisons of standard compass,
steering compass and gyro compasses should be made
- explains that the approximate error of the standard
compass can be obtained by comparison with the gyro compass if no other means is
available
- demonstrates taking bearings of celestial bodies and
compass error by visual ranges on landmarks
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21A1.09
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LAB - Lab 1 Practical navigation - position lines and position fixing
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- defines navigational errors
- explains the term "error"
- explains the term "mistake"
- explains the term "standard"
- explains the term "accuracy and precision"
- defines systemic error and random errors
- describes celestial navigation system accuracy
- identifies the most probable position (MPP)
- reviews the most common errors in celestial computations
and plotting technique
- demonstrates and understanding of chart and ocean plotting
sheet construction and use
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21A1.04
21A6
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LAB - Lab 2 Sailings
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve ocean track sailings as
follows:
- plane sailing
- course and/or distance by plane sailing
- latitude and/or longitude of arrival by plane sailing
- mid-latitude sailing
- course and/or distance by mid-latitude sailing
- latitude and/or longitude of arrival by mid-latitude sailing
- mercator sailing
- course and/or distance by mercator sailing
- latitude and/or longitude of arrival by mercator sailing
- parallel sailing
- course and/or distance by parallel sailing
- latitude and/or longitude of arrival by parallel sailing
- great circle sailing
- initial course and/or distance by great circle sailing
- latitude and/or longitude of arrival by great circle sailing
- latitude and/or longitude of vertex by great circle sailing
- points along the great circle route
- voyage planning (composite sailing)
- estimated time of arrival (ETA)
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21A1
21A1.04
|
LAB - Lab 3 Practical navigation - chart exercises
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- demonstrates the ability to plot:
- true bearings and relative bearings
- bearing selection to minimize error
- lines of position
- rhumb lines and great circles
- mid-latitude
- position, DR position, estimated position, and assumed position
- fixed position and running fix
- course made good and course to steer
- engine speed and speed made good
- current sailing, set and drift
- course determination (compass error/leeway)
- interpretation of navigational data
- navigation symbols
- conversion factors
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21A1.04
21A1.05
21A2.02
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LAB - Lab 4 Use of the Nautical Almanac
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve astronomical and celestial
computations as follows:
- Astronomical computations:
- Greenwich Mean Time and Date
- Local Mean Time and Date
- Zone Time and Date
- Equation of Time
- Local Apparent Noon
- Local Hour Angle
- Celestial computations - time of celestial phenomena:
- Time of Meridian Transit at Upper or Lower Transit
- Time of Upper Transit - Sun
- Time of Upper Transit - Any Body
- Time of Second Estimate - Sun (Upper Transit)
- Time of Lower Transit - Sun
- Time of Lower Transit - Any Body
- Zone Time of Sunrise
- Zone Time of Sunset
- Zone Time of Moonrise
- Zone Time of Moonset
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21A1.05
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LAB - Lab 5 Hour angle
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve astronomical computations
as follows:
- Greenwich Mean Time and Date
- Local Mean Time and Date
- Zone Time and Date
- Equation of Time
- Local Apparent Noon
- Local Hour Angle
- Greenwich Hour Angle/Geographic Position
- Meridian Angle (t)
- Zone Description
- Sidereal Hour Angle
- Right Ascension
- Chronometer error, daily rate and daily difference
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21A1.01
21A1.05
21A1.09
|
LAB - Lab 6 Sight reduction and the navigation triangle
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve astronomical computations
as follows:
- Greenwich Mean Time and Date
- Local Mean Time and Date
- Zone Time and Date
- Equation of Time
- Local Apparent Noon
- Local Hour Angle
- Greenwich Hour Angle/Geographic Position
- Meridian Angle (t)
- Zone Description
- Sidereal Hour Angle
- Right Ascension
- Geographical position
- Sight reduction by HO 229 - line of position
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21A1.01
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LAB - Lab 7 Sextant and altitude corrections
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Sextant errors
- Observed Altitude (Ho)
- Observed Altitude - Sun
- Observed Altitude - Moon
- Observed Altitude - Stars
- Observed Altitude - Planets
- Low Altitude Sight
- High Altitude Sight
- Back Sight - Sun
- Back Sight - Moon
- Back Sight - Stars
- Back Sight - Planets
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21A1.01
21A1.05
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LAB - Lab 8 Latitude by meridian transit
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Latitude by Polaris
- Latitude by Meridian Transit at Upper or Lower Transit
- Latitude at Upper Transit - Sun (LAN)
- Latitude at Upper Transit - Sun (1200)
- Latitude at Upper Transit - Moon
- Latitude at Upper Transit - Star
- Latitude at Upper Transit - Planet
- Latitude at Lower Transit - Sun
- Latitude at Lower Transit - Moon
- Latitude at Lower Transit - Star
- Latitude at Lower Transit - Planet
- Latitude by Ex-Meridian at Upper or Lower Transit
- Ex-Meridian - Sun (Upper Transit)
- Ex-Meridian - Moon (Upper Transit)
- Ex-Meridian - Star (Upper Transit)
- Ex-Meridian - Planet (Upper Transit)
- Ex-Meridian - Sun (Lower Transit)
- Ex-Meridian - Moon (Lower Transit)
- Ex-Meridian - Star (Lower Transit)
- Ex-Meridian - Planet (LowerTransit)
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21A1.01
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LAB - Lab 9 Practical navigation - position fixing
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Celestial computations:
- Line of Position - Sun
- Line of Position - Moon
- Line of Position - Star
- Line of Position - Planet
- Fix at Local Apparent Noon (LAN)
- Fix at 1200 - Sun
- Running Fix - Sun
- Running Fix - Moon
- Running Fix - Star
- Running Fix - Planet
- Running Fix - Any Body
- High Altitude Sight - Circles of Equal Altitude
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21A1.01
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LAB - Lab 10 Practical navigation - position fixing
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Celestial computations:
- Line of Position - Sun
- Line of Position - Moon
- Line of Position - Star
- Line of Position - Planet
- Fix at Local Apparent Noon (LAN)
- Fix at 1200 - Sun
- Running Fix - Sun
- Running Fix - Moon
- Running Fix - Star
- Running Fix - Planet
- Running Fix - Any Body
- High Altitude Sight - Circles of Equal Altitude
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21A1.01
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LAB - Lab 11 Practical navigation - star observations
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Celestial computations:
- Identification of Major Stars
- Identification of Minor Stars
- Identification of Planets
- Star Selection
- Moon/Star and Planet Selection
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21A1.01
21A2.02
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LAB - Lab 12 Practical navigation - amplitude
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Celestial computations:
- Amplitude - Sun (Celestial Horizon)
- Amplitude - Sun (Visible Horizon)
- Amplitude - Moon (Celestial Horizon)
- Amplitude - Moon (Visible Horizon)
- Amplitude - Star (Celestial Horizon)
- Amplitude - Star (Visible Horizon)
- Amplitude - Planet (Celestial Horizon)
- Amplitude - Planet (Visible Horizon)
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21A1.09
|
LAB - Lab 13 Practical navigation - azimuth
- demonstrates the practical use of appropriate navigational
equipment, tools or simulation
- renders navigational drawings or diagrams
- identifies and uses data from diagrams, drawings,
publications, charts tables, etc.
- maintains a navigational journal
- computes calculations to solve celestial computations as
follows:
- Celestial computations:
- Azimuth - Sun
- Azimuth - Moon
- Azimuth - Star
- Azimuth - Planet
- Azimuth - Polaris
- Deviation Table Use
- Course Determination (Compass Error/Leeway)
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21A1.09
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