Boeing works to gain regulatory approval for the 737 Max 10 ahead of introduction of new U.S. aircraft safety and certification legislation on January 1.
The FAA released proposed rulemaking this week to establish FAR Part 38, fuel-efficiency metric requirements for certain large subsonic jet and turboprops.
The UK Civil Aviation Authority's deferral to EASA's standards marks a turnaround in post-Brexit policy after the country left the EU, thereby ending its membership in the European regulatory agency.
The operator is joining Cranfield Aerospace Solutions' Project Fresson to develop supplemental type certificates to convert piston and turboprop aircraft to hydrogen power.