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Air Navigation

Air Navigation, chapter 1

Time

16 lessons in 7 parts

Start lesson 1
Know some of this already?Take the 5-minute placement check
Time foundations
1Local Time Around the EarthSee why clocks are later east and earlier west.Start here2Longitude, Latitude and TimeUse longitude, not latitude, to compare local time.
Arc and time
3Longitude to TimeConvert a longitude difference into a time difference.4Time to LongitudeConvert a time difference back into longitude.
UTC and LMT
5UTC to LMTFind local mean time from UTC and longitude.6LMT to UTCWork backwards from local mean time to UTC.
Local time transfers
7LMT Between PlacesTransfer local mean time from one place to another.8LMT at Multiple PlacesFind local mean time at several places from one UTC.9Longitude from Time DifferencesFind a place's longitude from its local time.
Standard time
10Types of TimeTell UTC, LMT, Zone Time and national time apart.11Zone TimeFind an ideal time zone from longitude.12Indian Standard TimeUse India's standard meridian to work with IST.
Dates and flights
13International Date LineChange the date correctly at the International Date Line.14Flight Time and ETACombine departure time and flight time to find ETA.
Solar time
15Mean and Apparent TimeTell mean solar time and apparent solar time apart.16Sun Event TablesTransfer a tabulated Sun event to another longitude.
Chapter checkpoint13 questions, 11 to pass. One mixed set across every skill in this chapter.Start
Next, chapter 2, The Earth and Position7 lessons. Opens once you are done here, or any time you like.
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ExamsAir NavigationMeteorologyAir RegulationsTechnical GeneralAirbus A320Radio TelephonySyllabus
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GuidesHow to become a pilotTraining costsFlying schoolsCadet programmesDGCA Pariksha guideDGCA Computer NumberDGCA Class 1 medicalDGCA exam calendarRTR Part 2 guideLast two weeks before the exam
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