Civil Aviation Safety Regulations (CASR) Part 91 Operators do not hold a certificate of approval by CASA.
CASR Part 91 sets out requirements and standards for the conduct of recreational, private and commercial pilot flying.
These requirements include standards for:
- operational procedures
- performance
- weight and balance
- equipment
- cabin crew
- operations under certain special certificates of airworthiness and special flight permits
- minimum equipment lists.
The Part 91 Manual of Standards requirements include standards for:
- prescriptions for certain definitions in the CASR dictionary
- NVIS flights
- all flights — airspeed limits
- journey logs — flights that begin or end outside Australian territory
- flight preparation (weather assessments) requirements
- flight preparation (alternate aerodromes) requirements
- flight notifications
- matters you must check before take-off
- air traffic services — prescribed requirements
- minimum height rules
- VFR flights
- IFR flights
- IFR take-off and landing minima
- approach ban for IFR flights
- designated non-controlled aerodromes
- safety when aeroplane operating on the ground
- fuel requirements
- safety of persons and cargo on aircraft
- radio frequency, broadcast and reporting requirements
- performance-based navigation (PBN)
- interception of aircraft
- take-off performance
- landing performance
- equipment
- experimental and light sport aircraft placards
- requirements for minimum equipment lists.