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14 CFR 21.175 · Airworthiness certificates: classification.
14 CFR 21.177 · Amendment or modification.
14 CFR 21.179 · Transferability.
14 CFR 21.181 · Duration.
14 CFR 21.182 · Aircraft identification.
14 CFR 21.183 · Issue of standard airworthiness certificates for normal, utility, acrobatic, commuter, and transport category aircraft; manned free balloons; and special classes of aircraft.
14 CFR 21.184 · Issue of special airworthiness certificates for primary category aircraft.
14 CFR 21.185 · Issue of airworthiness certificates for restricted category aircraft.
14 CFR 21.187 · Issue of multiple airworthiness certifications for restricted category aircraft.
14 CFR 21.189 · Issue of airworthiness certificate for limited category aircraft.
14 CFR 21.190 · Issue of a special airworthiness certificate for a light-sport category aircraft.
14 CFR 21.191 · Issue of experimental airworthiness certificates.
14 CFR 21.193 · Application for special airworthiness certificates issued for experimental purposes.
14 CFR 21.195 · Experimental airworthiness certificates: Aircraft to be used for market surveys, sales demonstrations, and customer crew training.
14 CFR 21.197 · Special flight permits.
14 CFR 21.199 · Issue of special flight permits.
14 CFR 21.211 · Applicability.
14 CFR 21.213 · Eligibility.
14 CFR 21.215 · Application.
14 CFR 21.217 · Duration.
14 CFR 21.219 · Transferability.
14 CFR 21.221 · Class I provisional airworthiness certificates.
14 CFR 21.223 · Class II provisional airworthiness certificates.
14 CFR 21.225 · Provisional airworthiness certificates corresponding with provisional amendments to type certificates.
14 CFR 21.301 · Applicability.
14 CFR 21.303 · Application.
14 CFR 21.305 · Organization.
14 CFR 21.307 · Quality system.
14 CFR 21.308 · Quality manual.
14 CFR 21.309 · Location of or change to manufacturing facilities.
14 CFR 21.310 · Inspections and tests.
14 CFR 21.311 · Issuance.
14 CFR 21.313 · Duration.
14 CFR 21.314 · Transferability.
14 CFR 21.316 · Responsibility of holder.
14 CFR 21.319 · Design changes.
14 CFR 21.320 · Changes in quality system.
14 CFR 21.321 · Applicability.
14 CFR 21.325 · Export airworthiness approvals.
14 CFR 21.327 · Application.
14 CFR 21.329 · Issuance of export certificates of airworthiness.
14 CFR 21.331 · Issuance of export airworthiness approvals for aircraft engines, propellers, and articles.
14 CFR 21.335 · Responsibilities of exporters.
14 CFR 21.500 · Acceptance of aircraft engines and propellers.
14 CFR 21.502 · Acceptance of articles.
14 CFR 21.601 · Applicability and definitions.
14 CFR 21.603 · Application.
14 CFR 21.605 · Organization.
14 CFR 21.607 · Quality system.
14 CFR 21.608 · Quality manual.
14 CFR 21.609 · Location of or change to manufacturing facilities.
14 CFR 21.610 · Inspections and tests.
14 CFR 21.611 · Issuance.
14 CFR 21.613 · Duration.
14 CFR 21.614 · Transferability.
14 CFR 21.616 · Responsibility of holder.
14 CFR 21.618 · Approval for deviation.
14 CFR 21.619 · Design changes.
14 CFR 21.620 · Changes in quality system.
14 CFR 21.621 · Issue of letters of TSO design approval: Import articles.
14 CFR 21.700 · SFAR No. 111—Lavatory Oxygen Systems.
14 CFR 22.1 · Applicability.
14 CFR 22.100 · Eligibility.
14 CFR 22.105 · Control and maneuverability.
14 CFR 22.110 · Structural integrity.
14 CFR 22.115 · Powered-lift: minimum safe speed.
14 CFR 22.125 · Environmental conditions.
14 CFR 22.130 · Suitability and durability of materials.
14 CFR 22.135 · Instruments and equipment.
14 CFR 22.140 · Controls and displays.
14 CFR 22.145 · Propulsion system.
14 CFR 22.150 · Fuel system.
14 CFR 22.155 · Fire protection.
14 CFR 22.160 · Visibility.
14 CFR 22.165 · Emergency evacuation.
14 CFR 22.170 · Placards and markings.
14 CFR 22.175 · [Reserved]
14 CFR 22.180 · Special requirements for light-sport category aircraft with simplified flight controls.
14 CFR 22.185 · Quality assurance system.
14 CFR 22.190 · Finding of compliance by trained compliance staff.
14 CFR 22.195 · Ground and flight testing.
14 CFR 23.1457 · Cockpit voice recorders.
14 CFR 23.1459 · Flight data recorders.
14 CFR 23.1529 · Instructions for continued airworthiness.
14 CFR 23.2000 · Applicability and definitions.
14 CFR 23.2005 · Certification of normal category airplanes.
14 CFR 23.2010 · Accepted means of compliance.
14 CFR 23.2100 · Weight and center of gravity.
14 CFR 23.2105 · Performance data.
14 CFR 23.2110 · Stall speed.
14 CFR 23.2115 · Takeoff performance.
14 CFR 23.2120 · Climb requirements.
14 CFR 23.2125 · Climb information.
14 CFR 23.2130 · Landing.
14 CFR 23.2135 · Controllability.
14 CFR 23.2140 · Trim.
14 CFR 23.2145 · Stability.
14 CFR 23.2150 · Stall characteristics, stall warning, and spins.
14 CFR 23.2155 · Ground and water handling characteristics.
14 CFR 23.2160 · Vibration, buffeting, and high-speed characteristics.