Notes in NAV

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Status	Last Update	Fields
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-1
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-2
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-3
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-4
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-5
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-6
Published	05/28/2023	50027b336b9b4f01af53e1468f4700c8-ao-7
Published	05/28/2023	Define Isogonal
Published	05/28/2023	3740b605e3e540768bfea1bffe14eb96-ao-1
Published	05/28/2023	3740b605e3e540768bfea1bffe14eb96-ao-2
Published	05/28/2023	3740b605e3e540768bfea1bffe14eb96-ao-3
Published	05/28/2023	3740b605e3e540768bfea1bffe14eb96-ao-4
Published	05/28/2023	3740b605e3e540768bfea1bffe14eb96-ao-5
Published	05/28/2023	What is UTC
Published	05/28/2023	What is LMT
Published	05/28/2023	Shape of earth?
Published	05/28/2023	Earths angle of axis?
Published	05/28/2023	Define the two poles?
Published	05/28/2023	Which way does the earth rotate from above the north pole?
Published	05/28/2023	Define the equator?
Published	05/28/2023	What are lines of latitude?
Published	05/28/2023	Define lines of longitude:
Published	05/28/2023	What are meridians?
Published	05/28/2023	Properties of a great circle?
Published	05/28/2023	Only {{c1::one}} great circle can pass through two points (except when those points are {{c1::diametrically opposed)}}.
Published	05/28/2023	All radio waves follow a {{c1::great circle path}} from the station
Published	05/28/2023	On a Mercator chart, a great circle is always {{c1::convex}} to the nearest pole, and {{c1::concave}} to the Equator
Published	05/28/2023	A Great Circle cuts successive meridians at {{c1::different}} angles.
Published	05/28/2023	What are small circles?
Published	05/28/2023	Rhumbline tracks always curve {{c1::convex}} to the Equator and {{c1::concave}} to the nearest pole.
Published	05/28/2023	Over short sectors (<500Nm) great circles and rhumb lines follow {{c1::very similar tracks}}
Published	05/28/2023	D lat (Ch Lat) between two points is {{c1::the shorter arc of a meridian}} intercepted between their Parallels of Latitude. It will always be ≤ 180°.
Published	05/28/2023	D long (Ch Long) between two points is the {{c1::smaller arc of the Equator}} intercepted by the meridians through the two points. It will always be ≤…
Published	05/28/2023	Define Nautical mile:
Published	05/28/2023	The East-West distance between any two meridians reduces with {{c1::increasing}} latitude away from the {{c1::equator}} towards the {{c1::Poles}}.
Published	05/28/2023	A nautical mile is equal to {{c1::1 minute}} of {{c1::latitude}} on the surface of the earth.
Published	05/28/2023	One minute of longitude {{c1::does NOT}} equal 1 nautical mile except on the equator
Published	05/28/2023	A kilometer is {{c1::1/10,000th}} of the average distance from the {{c1::equator to the poles}}
Published	05/28/2023	What is variation?
Published	05/28/2023	Variation is {{c1::not constant}}, it changes with your {{c1::position on the earth and over time}}.
Published	05/28/2023	Define Agonal
Published	05/28/2023	What is Deviation
Published	05/28/2023	Deviation is not constant; it varies with {{c1::heading of aircraft}}, and {{c1::Magnetic latitude}}
Published	05/28/2023	What is magnetic DIP
Published	05/28/2023	The earth’s core generates a {{c1::permanent magnetic field.}}
Published	05/28/2023	A bearing measured with respect to the geographic poles is called a {{c1::TRUE}} bearing
Published	05/28/2023	•A bearing measured with respect to the magnetic poles is called a {{c1::MAGNETIC}} bearing.
Published	05/28/2023	The angular difference between the geographic poles and magnetic poles is called {{c1::VARIATION}}.
Published	05/28/2023	A line of equal inclination is called an {{c1::ISOCLINE}}.
Published	05/28/2023	A line of zero inclination is called an {{c1::ACLINIC}} line.
Published	05/28/2023	As a magnet approaches the magnetic poles, the lines of force will cause it to {{c1::‘dip’.}} This phenomena reduces the accuracy of the aircraft…
Published	05/28/2023	What are the three factors when describing wind direction?
Published	05/28/2023	What is heading?
Published	05/28/2023	Heading is measured {{c1::clockwise from North to the aircraft fore-aft axis}}
Published	05/28/2023	Track (TRK) is the direction of the {{c1::path of an aircraft over the ground.}}
Published	05/28/2023	Flight Plan Track (FPT) is the {{c1::track an aircraft intends to follow.}}
Published	05/28/2023	Track Made Good (TMG) is the track an {{c1::aircraft actually follows in flight.}}
Published	05/28/2023	Drift is the {{c1::angle}} between the {{c1::heading}} and {{c1::track}} of an aircraft.
Published	05/28/2023	Planned Drift is the difference between {{c1::Planned Heading and Flight Plan Track.}}
Published	05/28/2023	Actual/Current Drift is the difference between {{c1::Current Heading and Track Made Good}}
Published	05/28/2023	True Airspeed (TAS) is the {{c1::Calibrated Airspeed (CAS)}} of an aircraft, corrected for {{c1::density error}} (compressibility is not a factor…
Published	05/28/2023	TAS is the {{c1::actual speed}} through the air mass in which the aircraft is flying
Published	05/28/2023	Ground Speed (GS) is the speed at which an aircraft moves {{c1::relative to the ground}} and is also expressed in {{c1::knots.}}
Published	05/28/2023	Speed is the {{c1::rate at which an object moves.}}
Published	05/28/2023	Scalar qty – has {{c1::magnitude}} but no {{c1::direction}}.
Published	05/28/2023	Velocity is {{c1::speed in a given direction.}}
Published	05/28/2023	Vector qty – has both {{c1::magnitude}} and {{c1::direction}}
Published	05/28/2023	When Drift is applied to HDG, {{c1::TMG}} can be found.
Published	05/28/2023	When Drift is applied to TMG, {{c1::Req HDG}} can be found.
Published	05/28/2023	Crosswind affects the {{c1::controllability}} of an aircraft.
Published	05/28/2023	Headwind reduces the {{c1::take-off or landing ground run}} distance
Published	05/28/2023	A Bearing is the direction of a {{c1::point measured TO or FROM another point.}}
Published	05/28/2023	A Relative Bearing is the direction of a {{c1::point relative to the aircraft’s nose.}}
Published	05/28/2023	How do you convert relative bearings to true or magnetic bearings?
Published	05/28/2023	All directions placed on the Nav Computer must utilise the {{c1::same North reference}}
Published	05/28/2023	ee4407e46e6947dea6fbdae210910692-ao-1
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Published	05/28/2023	6f0be1fad5c643a099404ce0cb3d3a12-ao-1
Published	05/28/2023	6f0be1fad5c643a099404ce0cb3d3a12-ao-2
Published	05/28/2023	6f0be1fad5c643a099404ce0cb3d3a12-ao-3
Published	05/28/2023	f4bca4056c474792be08d82b7fa2afb1-oa-1
Published	05/28/2023	f4bca4056c474792be08d82b7fa2afb1-oa-2
Published	05/28/2023	f4bca4056c474792be08d82b7fa2afb1-oa-3
Published	05/28/2023	Most aviation fuels weigh {{c1::70% to 82%}} the mass of an equal volume of water.
Published	05/28/2023	AVGAS 100 has a SG of {{c1::0.71}}
Published	05/28/2023	TAS – {{c1::HWC}} = GS TAS + {{c1::TWC}} = GS
Published	05/28/2023	An aircraft should not take-off or land when the {{c1::crosswind exceeds the limit}} of the aircraft.
Published	05/28/2023	Left crosswind with {{c1::R)}} drift
Published	05/28/2023	Right crosswind with {{c1::L)}} drift
Published	05/28/2023	Relative Bearing TO + True Heading = {{c1::True Bearing TO the point.}}
Published	05/28/2023	Relative Bearing TO + Magnetic Heading = {{c1::Magnetic Bearing TO the point.}}
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-1
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-2
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Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-5
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-6
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-7
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-8
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-9
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-10
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Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-14
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Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-19
Published	05/28/2023	870e8b448b17420491d979f40fcfb9ce-ao-20
Published	05/28/2023	0c0877f3a1474dbe9f42db1ba9f02d17-ao-1
Published	05/28/2023	0c0877f3a1474dbe9f42db1ba9f02d17-ao-2
Published	05/28/2023	0c0877f3a1474dbe9f42db1ba9f02d17-ao-3
Published	05/28/2023	0c0877f3a1474dbe9f42db1ba9f02d17-ao-4
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-1
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-2
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Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-4
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Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-7
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Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-11
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-12
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-13
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-14
Published	05/28/2023	1a8d4895670d4513b53d5a5826dac001-ao-15
Published	05/28/2023	Speed = {{c1::Distance / time }}
Published	05/28/2023	Distance  = {{c1::Speed x Time}}
Published	05/28/2023	Time = {{c1::Distance / Speed}}
Published	05/28/2023	Earth’s orbital movement around the Sun gives us the concept of {{c1::Years}}
Published	05/28/2023	Earth’s rotational movement around its spin axis give us the concept of {{c1::Day & Night}}
Published	05/28/2023	Earth’s Equator is tilted at an angle of {{c1::23.5°}} to the orbital plane.
Published	05/28/2023	5e9133d0a7684c08af8f1cace0a71157-ao-1
Published	05/28/2023	5e9133d0a7684c08af8f1cace0a71157-ao-2
Published	05/28/2023	5e9133d0a7684c08af8f1cace0a71157-ao-3
Published	05/28/2023	5e9133d0a7684c08af8f1cace0a71157-ao-4
Published	05/28/2023	day is the time taken for the {{c1::Earth to complete one rotation on its axis with reference to a specified meridian}}
Published	05/28/2023	The Earth rotates in an {{c1::anti-clockwise}} direction (West to East) when viewed from above the North Pole
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-1
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-2
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-3
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-4
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-5
Published	05/28/2023	88a3a91de9a44159b8384787a3da3915-ao-6
Published	05/28/2023	Longitude East > {{c1::UTC Least }}Longitude West > {{c1::UTC Best}}
Published	05/28/2023	There are {{c1::24}} Time zones
Published	05/28/2023	Australian Time zonesEST is UTC {{c1::+10 hours }}CST is UTC {{c1::+9.5 hours}}WST is UTC {{c1::+8 hours }}
Published	05/28/2023	What are the daylight saving months in Australia?
Published	05/28/2023	What is NSW DLS UTC?
Published	05/28/2023	What is South Australia DLS UTC?
Published	05/28/2023	The International Date Line (IDL) is located at {{c1::180°E/W.}}
Published	05/28/2023	When crossing the IDL:
Published	05/28/2023	Due to {{c1::atmospheric refraction}} an object will be visible before it crosses through the {{c1::Celestial horizon.}}
Published	05/28/2023	Sunrise occurs when the {{c1::upper limb of the sun (the 1st part visible)}} is on the visible horizon
Published	05/28/2023	Sunset occurs when the {{c1::upper limb of the sun (the last part visible)}} is just {{c1::disappearing below}} the visible horizon.
Published	05/28/2023	Morning Civil Twilight (MCT) begins when the centre of the sun is {{c1::6º below the Celestial horizon.}}
Published	05/28/2023	Evening Civil Twilight (MCT) ends when the centre of the sun is {{c1::6º below the Celestial horizon.}}
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-1
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-2
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-3
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-4
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-5
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-6
Published	05/28/2023	eeced0c84d744c6b8431e81f712a9ec9-ao-7
Published	05/28/2023	Minimum duration of twilight is therefore {{c1::20’ 40” (time). }}
Published	05/28/2023	The duration of Civil twilight is {{c1::not constant}} and is influenced by the {{c1::angle at which the sun transits}} across the sky.
Published	05/28/2023	Time of BOD, Sunruse, Sunset, EOD changes through out year.It depends on?
Published	05/28/2023	What affects BOD and EOD start/finish times?
Published	05/28/2023	A VFR pilot (unless night VFR) shall not depart from airport:
Published	05/28/2023	Track Error (TE) = {{c1::(Distance off X 60) / Distance Gone}}
Published	05/28/2023	Track Error (TE) = {{c1::Distance off X 60 / Distance gone}}
Published	05/28/2023	Closing angle (CA) = {{c1::Distance to Go X 60 / Distance gone }}
Published	05/28/2023	Fuel flow = {{c1::Fuel quantity / Time}}
Published	05/28/2023	6bb6a7fc7ef840b393db0848ed036c52-ao-1
Published	05/28/2023	6bb6a7fc7ef840b393db0848ed036c52-ao-2
Published	05/28/2023	6bb6a7fc7ef840b393db0848ed036c52-ao-3
Published	05/28/2023	c940af1753ca4f8288aee095e821071c-ao-1
Published	05/28/2023	c940af1753ca4f8288aee095e821071c-ao-2
Published	05/28/2023	c940af1753ca4f8288aee095e821071c-ao-3
Published	05/28/2023	c940af1753ca4f8288aee095e821071c-ao-4
Published	05/28/2023	1nm = {{c1::1.852km}}
Published	05/28/2023	1sm = {{c1::1.609km}}
Published	05/28/2023	1Km = {{c1::3280ft}}
Status	Last Update	Fields