4.24 Instruments and Avionics

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

91.509 Minimum instruments and equipment

A powered aircraft with an airworthiness certificate must have the required instruments and equipment fitted before flight.

This rule does not apply to powered gliders.

Required flight instruments

The aircraft must have a way of indicating:

• airspeed;
• Mach number, if the aircraft’s speed limitation is given as a Mach number;
• altitude in feet; and
• magnetic heading.

Required fuel and engine instruments

The aircraft must have a way of indicating:

• fuel quantity in each main fuel tank;
• engine RPM for each engine;
• oil pressure for each engine with a pressure lubrication system;
• coolant temperature for each liquid-cooled engine;
• oil temperature for each engine over 250 brake horsepower with a pressure lubrication system;
• manifold pressure for:
  • each supercharged piston engine;
  • each turbocharged piston engine; and
  • each piston engine fitted with a constant-speed propeller; and