Airworthiness directives, type certification standards, continued airworthiness requirements, and maintenance obligations from FAA, EASA, and UK CAA.
Final rule published August 20, 2026 (FR Vol. 91, No. 160; doc. 2026-16954) · 14 CFR Part 39 · Docket FAA-2025-2555 · Issued August 17, 2026 Quick Answers What must operators do? At the next engine shop visit after September 24, 2026 where the 3rd stage HPC rotor is exposed, replace the full set of 3rd … Read more
Amends Commission Regulation (EU) No 1321/2014 (continuing airworthiness) · entered into force February 8, 2026 · applies from August 7, 2026 (per EASA’s weekly regulatory review) · scope: EASA Member States Quick Answers What changed for the airworthiness review? The rules on the airworthiness review and the Airworthiness Review Certificate (ARC) under Part-M (Annex I … Read more
Final rule published in the Federal Register August 6, 2026 · Issued August 3, 2026 · Applies to certain Boeing 737-8, 737-9 and 737-8200 airplanes · 14 CFR Part 39 Quick Answers What must operators do? Within the compliance window defined by Boeing Alert Requirements Bulletin 737-53A1408 RB (dated December 20, 2024), perform an external general … Read more
Quick Answer Box What does FAA AD 2026-15-10 require for A330neo operators? FAA AD 2026-15-10, effective September 3, 2026, requires repetitive general visual inspection of each wing sloping rib external surface and each slat 1 inboard seal on all Airbus A330-841 and A330-941 aircraft. Cracking found on any sloping rib must be repaired before further … Read more
Quick Answers When must airlines replace radio altimeters under the FAA 5G rule? Part 121 airlines and large Part 129 foreign carriers must install interference-tolerant radio altimeters by December 30, 2030. All other aircraft operating under Parts 91, 125, 133, 135, 136, 137, and 194 must comply by October 31, 2034. Approximately 58,500 altimeters across … Read more
Quick Answers What does FAA AD 2026-15-10 require for A330neo operators? FAA AD 2026-15-10, effective September 3, 2026, requires repetitive general visual inspection of each wing sloping rib external surface and each slat 1 inboard seal on all Airbus A330-841 and A330-941 aircraft. Cracking found on any sloping rib must be repaired before further flight. … Read more
Quick Answer What does FAA AD 2026-15-09 require for BD-700 operators? FAA AD 2026-15-09 Bombardier: effective September 3, 2026, requires operators of certain Bombardier BD-700-1A10 and BD-700-1A11 aircraft to inspect for affected brake control units and replace them if found. Affected BCU part numbers are prohibited from installation. The AD follows a main landing gear … Read more
Quick Answer What does FAA AD 2026-15-01 require for Airbus A330 ETOPS-180 operators? FAA AD 2026-15-01, effective September 3, 2026, requires revising the AFM Supplement on certain A330-200 and A330-300 aircraft modified by STC ST04038NY to limit ETOPS-180 operations to three flightcrew members. A single-cylinder oxygen system was found to be insufficient for four crew … Read more
Quick Answers What does FAA AD 2026-15-13 require for A320neo operators? FAA AD 2026-15-13, effective September 2, 2026, supersedes AD 2025-16-12 and requires repetitive replacement of affected HPV butterfly seal retention clips on all A319neo, A320neo, and A321neo/NX/NY variants. The retained actions — AFM revision, MEL revision, and installation prohibition — remain in force. An … Read more
Quick Answers What does FAA AD 2026-15-05 require for King Air 350 operators? FAA AD 2026-15-05, effective August 10, 2026, requires operators of Textron B300 and B300C airplanes operating at 16,500 lb MTOW to revise their airworthiness limitations to incorporate corrected wing spar inspection intervals. The previous intervals were incorrect for heavy-weight aircraft. Some aircraft … Read more