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CPL » Air Law (A) & (H) » Instruments and Avionics

16.24 Instruments and Avionics

16.24.2 State the minimum instrument requirements for a day VFR flight. CAR 91

91.509 Minimum instruments and equipment

(a) A powered aircraft with an airworthiness certificate, except a powered glider, must be equipped with a means of—

  • (1) indicating airspeed; and
  • (2) indicating Mach number, if the speed limitation specified in the aircraft flight manual is expressed in terms of Mach number; and
  • (3) indicating altitude in feet; and
  • (4) indicating magnetic heading; and
  • (5) indicating fuel tank contents, other than auxiliary fuel tank contents; and
  • (6) indicating engine revolutions of each engine; and
  • (7) indicating oil pressure of each engine using a pressure lubricating system; and
  • (8) indicating coolant temperature of each liquid-cooled engine; and
  • (9) indicating oil temperature of each engine rated at over 250 brake horsepower using a pressure lubricating system; and
  • (10) indicating manifold pressure of each supercharged or turbocharged piston engine, and each piston engine fitted with a constant speed propeller; and
  • (11) indicating cylinder head temperature of each air-cooled piston engine rated at over 250 brake horsepower; and
  • (12) indicating flap position, if flaps are fitted, unless the position of the flaps can be determined visually by the flight crew member; and
  • (13) indicating landing gear position, if the aircraft has retractable undercarriage; and
  • (14) indicating the correct functioning of electrical power generating equipment; and
  • (15) indicating the presence of carbon monoxide in the cabin if the aircraft is fitted with an exhaust manifold cabin heater or a combustion cabin heater.
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