Class notes
General Navigation ATPL summary
- Course
- Institution
General Navigation Key Notes and Course Summary
[Show more]
Seller
Follow
AsimEres
Content preview
NAVIGATION1
–
FOUNDATION
CBT
SOLAR
SYSTEM
EQUINOXES
&
SOLSTICE
• Consists
of
8
planets,
the
sun,
asteroids
and
• Sun
crosses
plane
of
equinoctial
in
March
comets.
(Spring
Eqxinox)
and
September
(Autumn
• Earth
spins
anticlockwise
when
viewed
Equinox).
from
NP.
• Hours
of
daylight
and
night
are
equal.
• Earth
rotates
around
the
sun
in
an
elliptical
orbit
with
the
distance
from
the
sun
varying
• Summer
Solstice
-‐
Sun
reaches
it’s
most
between
91
and
95
statue
miles.
northerly
at
23.5
N
in
June.
Tropic
of
cancer.
• Winter
Solstice
–
Sun
reaches
it’s
most
• Aphelion
–
Earth
furthest
away
from
sun
• Ecliptic
–
Apparent
path
of
the
Sun
around
the
southerly
at
23.5
S
in
December.
Tropic
of
(July)
earth.
Capricorn.
• Perihelion
–
Earth
closest
to
the
sun
(Jan)
• Plane
of
Ecliptic
–
Imaginary
plane
containing
the
Earth’s
orbit
around
the
sun.
• Plane
of
Equinoctial
–
Plane
of
equator
extended
into
space.
• Obliquity
of
the
Ecliptic
–
An
angle
of
23.5
0C
between
plane
of
ecliptic
and
plane
of
equinoctial.
SHAPE
OF
THE
EARTH
SHAPE
OF
THE
EARTH
• The
actual
shape
of
the
earth
is
an
oblate
𝐶𝑜𝑚𝑝𝑟𝑒𝑠𝑠𝑖𝑏𝑖𝑙𝑖𝑡𝑦
spheroid.
(𝑆𝑒𝑚𝑖 − 𝑀𝑎𝑗𝑜𝑟 𝐴𝑥𝑖𝑠) − (𝑆𝑒𝑚𝑖 − 𝑀𝑖𝑛𝑜𝑟 𝐴𝑥𝑖𝑠)
=
• It
is
flattened
at
the
poles.
This
is
called
the
(𝑆𝑒𝑚𝑖 − 𝑀𝑎𝑗𝑜𝑟 𝐴𝑥𝑖𝑠)
compressibility
of
the
earth.
• Equatorial
Radius
=
3444
nm
• 1
minute
is
less
than
60
nm
at
equator
and
• Polar
Radius
=
3433
nm
increasing
towards
the
poles.
• The
polar
diameter
is
1/300
(0.3%)
less
than
the
equatorial
diameter.
o 23
nm
/
27
sm
/
43
km
, NAVIGATION
1
–
FOUNDATION
CBT
GREAT
CIRCLE
LATITUDE
AND
LONGITUDE
RHUMB
LINE
• A
circle
of
the
surface
of
the
Earth,
whose
• Point
depicted
is
60
N,
0400
E
0 • A
line
that
cuts
all
meridians
at
the
same
centre
and
radius
are
those
of
the
earth
• Latitude
fist
then
longitude
angle.
itself.
• Degrees
0
/
Minutes
‘
/
Seconds
‘’
• Has
constant
direction.
• Shortest
distance
between
two
points.
• 60’
in
10
• Will
be
longer
than
the
great
circle.
• 21,600’
in
a
circle
(360
x
60)
• A
rhumb
line
that
cuts
meridians
at
90
degrees
will
coincide
with
a
parallel
of
SMALL
CIRCLE
latitude.
• A
circle
on
the
surface
of
the
Earth,
whose
centre
and
radius
are
not
those
of
the
Earth
itself.
• I.E/
Any
circle
that
isn’t
a
great
circle.
MERIDIANS
• Lines
joining
the
poles.
DIRECTION
DEFINITIONS
• Every
meridian
has
its
own
anti-‐meridian.
• They
form
lines
of
longitude
• Bearing
–
Direction
of
a
point
/
object
VECTOR
ANNOTATIONS
• Greenwich
/
Prime
Meridian
=
0000
E
/
W
measured
to
/
from
another
point
/
object.
• Max
angle
=
1800
E
/
W
• Heading
–
Direction
in
which
the
nose
of
an
• -‐-‐-‐-‐-‐>
Heading
• Going
up
meridian
=
Face
north
aircraft
is
pointing.
• -‐-‐-‐-‐>>
Track
• Going
down
a
meridian
=
Face
south
• Relative
Bearing
–
Bearings
reference
to
• -‐-‐-‐>>>
Wind
the
nose
of
an
aircraft.
PARALLEL
OF
LATITUDE
• Lie
in
an
east
/
west
direction.
• Parallel
of
latitude
=
equator
=
000
N
• Max
angle
=
900
N
/
S
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller AsimEres. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.56. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53340 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now