Tachometer for each engine
Oil Temperature for each air-cooled engine
Magnetic Compass with Deviation Card
Airspeed Indicator
Temperature gauge
Oil Pressure gauge
Fuel gauge for each fuel tank
Landing gear position indicator
Altimeter
Manifold pressure gauge
ELT, if required
Safety belts and harnesseS
Airspace
Visibility
Cloud
Clearance
Entry Reqs
Equipment
Class
A
N/A
N/A
ATC clearance
IFR
Class B
3 st mil
Clear
ATC clearance
Two way radio, Transponder with Altitude Reporting
Class C
3 st mil
500 feet below
1,000 feet above
2,000 feet hori.
Two-Way Radio Communications
Prior to Entry
Two way radio, Transponder with Altitude Reporting