DGCA CPL Tech Specific case studies
DGCA CPL Tech Specific · Put your knowledge to work in context.
The DGCA CPL Technical Specific paper is one of the knowledge examinations a candidate must clear on the path to an Indian Commercial Pilot Licence, alongside the Air Regulations, Meteorology and other papers set by the Directorate General of Civil Aviation. It is aimed at student pilots who have completed or are close to completing flight training at an approved Flying Training Organisation and are ready to sit the technical ground examinations through the DGCA examination portal. The DGCA CPL Tech Specific case studies are 5 cases and about 4,368 words.
1Turbocharged twin: creeping overboost at FL160 over high terrain
You are pilot-in-command of a Piper Seneca V (two turbocharged Continental TSIO-360 engines, constant-speed counter-rotating propellers) en route from Jaipur to Leh at FL160, OAT −11 °C, weight 4,200 kg. The right engine is set at 28 inHg, 2,300 rpm, 17.5 gph, TIT 1,480 °F.
912 words, about 5 min2Aft CG in a loaded six-seat single on a short wet-grass strip
You are planning a charter in a Cessna 206H from a hill strip at 2,400 ft elevation (runway 09). Loading data, all arms in inches from the datum: basic empty weight 2,180 lb at 109.0; pilot 190 lb at 35.5; front passenger 170 lb at 35.5; two rear passengers 340 lb at 112.0; baggage area 2, 100 lb at 183.0; 84 US gal usable fuel at 48.0 (6.0 lb/gal).
898 words, about 4 min3Frozen static source in an icing descent
You are descending in IMC from FL100 to 6,000 ft at 500 fpm in icing conditions, OAT −4 °C, pitot heat ON. Three things are wrong on the panel: the airspeed indicator, which reads 148 kt, is slowly increasing although you have reduced power and are descending; the altimeter has not moved from 9,200 ft for four minutes; and the VSI reads exactly zero although the attitude indicator and engine instruments confirm a steady descent.
905 words, about 5 min4Wind, fuel and a deteriorating forecast en route
You are planning a light single-engine IFR flight of 280 NM on true track 090. TAS at the planned power is 135 kt, cruise fuel flow 34 L/h, usable fuel 120 L, taxi allowance 8 L.
813 words, about 4 min5Total communication failure on an IFR clearance into a radar environment
You are flying a pressurised light twin IFR from Nagpur to Mumbai at FL180. At 1205, 30 NM before the XYZ VOR, your last clearance was: "...cleared to Mumbai as filed, XYZ VOR, V12 to ABC, DCT Mumbai; maintain FL180, expect FL200 at 1220; squawk 4712." Your filed ETA at Mumbai is 1305.
840 words, about 4 min