Most civilian planes do not need to regularly fly at the highest altitude they physically can—but this is sometimes the case for the US Air Force. Of the many planes that have passed through the US ...

In a sky-high, 24-hour test flight, BAE System successfully sent its High Altitude Pseudo Satellite (HAPS) Uncrewed Aerial System (UAS) PHASA-35 solar-powered drone into the stratosphere, reaching an ...

The FAA's high-altitude endorsement (FAR 61.31g) has limited applicability, only requiring training for pilots of pressurized aircraft certified to fly above FL250, leaving many general aviation ...

GE Aerospace and its subsidiary Avio Aero have successfully completed the first engine restart ...

Small US aerospace project Helios Horizon claims to have recently broken the record for the highest-flying multi-seat electric aircraft, which it considers a step on its journey into the stratosphere.

The prime directive for flying in convective weather is to stay visual, with a preference for higher altitudes that generally offer smoother air, clearer visibility, and more time to identify and ...

Long-duration stratospheric research missions could allow scientists to collect vast amounts of data continuously for their payloads. Such missions could benefit NASA by maturing future space ...

China's first indigenously developed regional passenger jet, ARJ21, successfully completed its first ultra high-altitude ...

Don't let summertime temperatures compromise your aircraft's performance.

This paper introduces a comprehensive dataset for evaluating pilots’ respiratory function and SpO₂ under high-altitude circumstances. Compared to previous datasets, this collection uniquely provides ...