Aircraft Instrument Requirements

Question 1

Where are the lists for aircraft v instrument requirements found?

Answer 1

CAO 20.18

Question 2

What are the instruments required for flights under the VFR?

Answer 2

ASI
Altimeter
Compass
Timepiece

If charter or Aerial work must also have,
Turn and slip indicator
OAT indicator if operating from an aerodrome where temp is not available from ground based instruments

Question 3

Instruments required for aerial work and private Ops under the IFR (Appendix IV)

Answer 3

ASI
Altimeter
Compass
Timepiece
VSI
OAT indicator
AI/AH
Heading indicator (DG)
Turn and slip indicator
Means of indication if power to the gyroscopic instruments is working correctly
De icing of at least 1 airspeed indicating system

Alternative air source for pressure instruments
Alternative power for gyro instruments

Question 4

Instruments required for RPT Ops or charter Ops with aircraft MTOW above 5700kg

Answer 4

ASI
2 Altimeters
Compass
Timepiece reading hours minutes and seconds
VSI
OAT
2 AIS (AH)
Heading indicator (DG)
Turn and slip indicator
Means to know instruments requiring power that the power is working correctly
Turbo prop aircraft MTOW above 18000KG require a 3rd AI powered from a source independent of the electrical generating system
Mach meter if limitations of aircraft expressed in Mach
Pressure instruments require alternate source
Gyro instruments have duplicate sources of power