Saudi Travel Compliance: GACA told carriers and private airlines at Saudi airports to verify passengers have the right entry/exit/transit documents for their origin, destination and connections, and to check compliance at boarding. Aviation Safety Incidents: A small plane crash in West Virginia left one survivor injured; in Essex, a pilot suffered serious injuries after a crash during the Stow Maries air show, prompting the site to close to the public. Airline Operations Disruptions: Vietnam Airlines returned to Munich after a takeoff problem; Hainan Airlines diverted to Siberia after a mechanical fault, leaving 230+ passengers stranded; Singapore Airlines delayed two Thailand-bound flights after air-conditioning and wing slat issues. New Routes & Capacity: Etihad will add Brussels–Abu Dhabi service to 11 weekly flights from Dec 15 using its A321LR; Haiti’s ZED Airlines launched Port-au-Prince–Cap-Haitien domestic flights with a 737-400. Tech & Sustainability: Heart Aerospace flew its all-electric X1 prototype on battery power for the first time. Industry & Business: American Airlines brought in a former Spirit executive to lead technical operations as it targets a profit gap; Archer Aviation reported a $200M+ quarterly adjusted EBITDA loss outlook.