First PHASA test success raises BAE ambitions

[Ref Flight International Magazine 25 Feb – 2 Mar 2020] First PHASA test success raises BAE ambitions BAE Systems has performed a maiden sortie of its solar-powered PHASA-35 high-altitude pseudo-satellite (HAPS) from the Woomera test range in South Australia. Further flights will follow this year, says BAE. The 35m (115ft)-wingsan, 15kg (34lb) payload PHASA – […]

Seattle sticks to middle way on NMA

[Ref Flight International Magazine 18-24 Feb 2020] Seattle sticks to middle way on NMA New Mid-market Airplane is designed for a segment of 4,000-5,000nm (7,400-9,260km) routes. Boeing had for years planned to tackle the mid-market space with a 270-seat widebody dubbed the NMA. However, 737 Max grounding has delayed the NMA beyond an ideal mid-2020s […]

Why many pilots fail to pass stress test?

[Ref Flight International Magazine 18-24 Feb 2020] Why many pilots fail to pass stress test? Despite a common public ­perception that a cockpit career is glamorous and prestigious, well rewarded and a job for life, a survey reveals that pilots often feel anxious and insecure. The recent survey polled more than 1,300 working pilots worldwide […]

Turbulence v.s Windshear

[Ref HKO] Turbulence is caused by rapid, irregular motion of the air ; Windshear is a sustained change (i.e. lasting more than a few seconds) in headwind or tailwind resulting in changes in the lift to the aircraft. Turbulence is caused by rapid, irregular motion of the air. It brings about bumps or jolts, but […]