The alternative to missing this crucial step is never good.

The helicopter had attempted to land on a mountain in Alaska.

Supply and demand are leading to price gouging.

Here are some notable options for the race to net-zero.

Supplying light jets to widebody airliners, carpet manufacturers combine luxury and sustainability.

Charts are in a PDF linked from this article, which offers detailed explanations of the specifications and terminology used in the handbook.

Strength in the market for aircraft damps pressure from supply chains, workforce shortages and environmental groups.

Master warnings alerted the flight crew to engine issues before a Bombardier Challenger 600 crashed in Florida on Feb. 9, killing both pilots, the NTSB said.