SECTION	Title	Time
§ 21.223	§ 21.223 Class II provisional airworthiness certificates.	Dec. 2, 2025(ecor)
§ 21.225	§ 21.225 Provisional airworthiness certificates corresponding with provisional amendments to type certificates.	Dec. 2, 2025(ecor)
§ 21.301	§ 21.301 Applicability.	Dec. 2, 2025(ecor)
§ 21.303	§ 21.303 Application.	Dec. 2, 2025(ecor)
§ 21.305	§ 21.305 Organization.	Dec. 2, 2025(ecor)
§ 21.307	§ 21.307 Quality system.	Dec. 2, 2025(ecor)
§ 21.308	§ 21.308 Quality manual.	Dec. 2, 2025(ecor)
§ 21.309	§ 21.309 Location of or change to manufacturing facilities.	Dec. 2, 2025(ecor)
§ 21.310	§ 21.310 Inspections and tests.	Dec. 2, 2025(ecor)
§ 21.311	§ 21.311 Issuance.	Dec. 2, 2025(ecor)
§ 21.313	§ 21.313 Duration.	Dec. 2, 2025(ecor)
§ 21.314	§ 21.314 Transferability.	Dec. 2, 2025(ecor)
§ 21.316	§ 21.316 Responsibility of holder.	Dec. 2, 2025(ecor)
§ 21.319	§ 21.319 Design changes.	Dec. 2, 2025(ecor)
§ 21.320	§ 21.320 Changes in quality system.	Dec. 2, 2025(ecor)