DGCA ATPL Aviation Meteorology case studies
DGCA ATPL Aviation Meteorology · Put your knowledge to work in context.
Aviation Meteorology is one of the knowledge areas a candidate must pass to hold a Commercial or Airline Transport Pilot Licence under the Indian Directorate General of Civil Aviation. It is written for student pilots, licence holders adding a rating or converting a foreign licence, and instructors who need a current meteorological knowledge base. The DGCA ATPL Aviation Meteorology case studies are 5 cases and about 2,574 words.
1Departure Decision with a Marginal Crosswind and a Convective SIGMET
You are the commander of a turboprop on a scheduled sector. Departure aerodrome elevation 1,200 ft AMSL, QNH 1002 hPa, OAT 34 C.
542 words, about 3 min2Cruise Altitude Selection Against a Cold Low and a Jet Stream
You are planning a 4-hour eastbound flight at FL350 in a jet. The 500 hPa chart shows a deep cold low north of the route with a 500 hPa temperature of -38 C, and the tropopause is analysed at FL300 in that region.
552 words, about 3 min3Approach Minima, Fog and a Late QNH Change
You are inbound to an aerodrome at 06:10 local time in late autumn. The TAF issued at 04:00 forecasts visibility 6,000 m with no significant weather until 08:00.
491 words, about 2 min4Monsoon Season Sector: Embedded CB, Icing and a Forecast Deterioration
It is late July and you are dispatched on a domestic sector in the monsoon region. The route crosses a trough axis and the forecast shows a moist southwesterly flow with a low-level jet of 40 kt at 5,000 ft.
491 words, about 2 min5Mountain Wave, Lee Turbulence and a Downslope Windstorm
You are planning a VFR crossing of a north-south mountain range with peaks at 9,000 ft. The 700 hPa wind is 270/45 kt, and the 500 hPa wind is 290/70 kt, nearly perpendicular to the ridge.
498 words, about 2 min