Document ID: chunk:federal_register_of_legislation:F2024C01027:reg:15:p19
Version: federal_register_of_legislation:F2024C01027
Segment Type: reg
Provision Reference: reg 15 (pt 19/182)
Character Range: 182092–184971

approval of the design advice, unless the applicant elects to comply with a later standard.
Source FARs section 21.17 modified.

21.019  Changes requiring a new type certificate
 (1) A type certificate for an aircraft, aircraft engine or propeller ceases to apply to an aircraft, aircraft engine or propeller of that type if:
 (a) a change is made in the design configuration, power, power limitations (engines), speed limitations (engines), or weight of the aircraft, aircraft engine or propeller that is so extensive that a substantially complete investigation of compliance with the requirements applicable under regulation 21.017 is necessary in the interests of aviation safety; or
 (b) in the case of a normal, utility, acrobatic, commuter or transport category aircraft, a change is made:
 (i) in the number of its engines or rotors; or
 (ii) to engines or rotors using different principles of propulsion or to rotors using different principles of operation; or
 (c) in the case of an aircraft engine—a change is made in the principle of operation; or
 (d) in the case of propellers—a change is made in the number of blades or principle of pitch change operation.
 (2) A person who proposes to make a change mentioned in subregulation (1) may apply to CASA for a new type certificate for the aircraft, aircraft engine or propeller.
Source FARs section 21.19 modified.

21.021  Type certificate: normal, utility, acrobatic, commuter, and transport category aircraft; manned free balloons; special classes of aircraft; aircraft engines; propellers
  An applicant is entitled to a type certificate for an aircraft (except an aircraft mentioned in regulation 21.027) in the normal, utility, acrobatic, commuter, or transport category, or for a manned free balloon, or for a special class of aircraft or an aircraft engine or propeller, if:
 (a) the applicant submits the type design, test reports, and computations necessary to show that the aircraft, aircraft engine or propeller to be certificated meets the applicable requirements of this Part, the airworthiness standards mentioned in these Regulations and any conditions subject to which the type certificate is to be issued; and
 (b) CASA is satisfied that the type design and the aircraft, engine or propeller meet the applicable requirements of this Part and the airworthiness standards mentioned in these Regulations, and any airworthiness provisions not complied with are compensated for by factors that provide an equivalent level of safety; and
 (c) for an aircraft—CASA is satisfied the aircraft can reasonably be expected to be safe for its intended use when it is operated under any conditions limiting its intended use.
Source FARs section 21.21 modified.

21.024  Type certificate: primary category aircraft
 (1) The applicant is entitled to a type certificate for an aircraft in the primary category if:
 (a)