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Ratings may be issued in the following groups:
(a) Aeroplane
Group 1: Unpressurised aeroplanes with fixed landing gear not exceeding 5700 kg, other than Group 3:
Group 2: Unpressurised aeroplanes other than Group 1 and Group 3:
Group 3: Aeroplanes with principally wooden or tubular structure, fabric covered:
Group 4: Reserved:
Group 5: Pressurised aeroplanes not exceeding 5700kg MCTOW, by individual type:
Group 6: Pressurised aeroplanes exceeding 5700kg MCTOW, by individual type.
(b) Rotorcraft
Group 1: Piston engine rotorcraft:
Group 2: Single turbine engine rotorcraft:
Group 3: Twin turbine engine rotorcraft, by individual type:
(c) Powerplant
Group 1: Normally aspirated piston engines:
Group 2: Turbocharged or supercharged engines:
Group 3: All turbine engines, by individual type:
(d) Electrical – complex systems require type-specific ratings
Group 1: Electrical systems in aircraft which have as their primary source of power:
(i) DC generators; or
(ii) starter generators; or
(iii) alternators with self-contained rectifiers:
Group 2: Electrical systems which have as their primary source of power:
(i) DC generators, or starter generators, and have frequency wild alternators installed for secondary services; or
(ii) constant frequency AC from alternators driven by constant speed drive units:
(e) Instrument – complex systems require type-specific ratings
Group 1: General aircraft instrument systems; basic flight instrument systems; oxygen systems, cabin pressurisation and air conditioning systems:
Group 2: Autoflight and navigation systems including air data computer systems, servo driven instruments, remote gyro systems including remote reading compasses, automatic flight control systems and inertial navigation systems:
(f) Radio – complex systems require type-specific ratings
Group 1: Airborne communication systems including but not limited to UHF, VHF, CVR, audio and ELT:
Group 2: Airborne navigation systems including ADF, VOR, ILS, Very Low Frequency, marker beacon, GPS and GNSS:
Group 3: Airborne surveillance systems including weather radar, doppler, radio altimeter, DME, transponder, ADS-B systems and TCAS:
(g) Lighter than air aircraft
Group 1: Hot air free balloons and hot air airships in their entirety:
Group 2: Gas filled airships and their components excluding the engine and propeller or fan, or both.
Ratings for the following aircraft or components must be issued by the Director as type ratings for the individual aircraft or component types:
(1) Aeroplane: pressurised aeroplanes:
(2) Rotorcraft: rotorcraft that the Director considers are not included in the Rotorcraft Group 1 or 2 rating:
(3) Powerplant: turbine power plants:
(4) Electrical: electrical systems and equipment installed in pressurised aeroplanes with an MCTOW of more than 5700 kg:
(5) Instrument: integrated flight systems installed in pressurised aeroplanes with an MCTOW of more than 5700 kg:
(6) Radio: complete radio installations installed in pressurised aeroplanes with an MCTOW of more than 5700 kg:
(7) Components: overhaul and maintenance of aircraft or components specified in rule 43.54(b) and (c).
