NTSB GAA26WA059 — 2025-12-27 · Rio de Janeiro, Other Foreign, Brazil

Aircraft involved

PT-AGB Cessna 170 Fatal

Probable cause & factual narrative

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Related research

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Semantic Scholar 2021 · Article (BMC Neurology) Home-based light therapy for fatigue following acquired brain injury: a pilot randomized controlled trial

Background and objectives Fatigue and sleep disturbance are debilitating problems following brain injury and there are no established treatments.
NASA NTRS 2019 · Abstract Wetting Angle and Surface Tension of Germanium Melts on Different Substrate Materials

The sessile drop technique has been used to measure the wetting angle and the surface tension of molten germanium (Ge) on various substrate materials.
NASA NTRS 2019 · Abstract Determination of the Wetting Angle of Germanium and Germanium-Silicon Melts on Different Substrate Materials

During Bridgman growth of semiconductors detachment of the crystal and the melt meniscus has occasionally been observed, mainly under microgravity (microg) conditions.
NASA NTRS 2019 · Abstract Contact Angles and Surface Tension of Germanium-Silicon Melts

Precise knowledge of material parameters is more and more important for improving crystal growth processes. Two important parameters are the contact (wetting) angle and the surface tension, determinin…
arXiv 2019 · arXiv preprint Heat and water vapor transfer in the wake of a falling ice sphere and its implication for secondary ice formation in clouds

We perform direct numerical simulations of the settling of an ice sphere in an ambient fluid accounting for heat and mass transfer with the aim of studying in a meteorological context the case of fall…