NTSB DCA97WA004 — 1996-10-31 · SAO PAULO, Brazil

Aircraft involved

PTMRK Fokker 100 Fatal

Probable cause & factual narrative

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Related research

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NASA NTRS 2019 · Technical Memorandum (TM) A preliminary study of a wake vortex encounter hazard boundary for a B737-100 airplane

A preliminary batch simulation study was conducted to define the wake decay required for a Boeing 737-100 airplane to safely encounter a Boeing 727 wake and land.
NASA NTRS 2018 · Other A Numerical Simulation Study to Develop an Acceptable Wake Encounter Boundary for a B737-100 Airplane

The National Aeronautics and Space Administration (NASA) is conducting research with the goal of enabling safe improvements in the capacity of the nation's air transportation system.
NASA NTRS 2011 · Other A unified cleaning facility in a Class 100 clean room

Downdraft clean room for cleaning and potting of mechanical and electrical components and various plastics systems
arXiv 2026 · arXiv preprint Quantifying the Reality Gap for RL-Based UAV Placement at mmWave and Sub-THz

Reinforcement learning (RL) policies for unmanned aerial vehicle (UAV) placement in mmWave and sub-terahertz networks are typically trained on simplified analytical channels.
arXiv 2026 · arXiv preprint Tethered UAVs for Dense Urban Connectivity

This paper evaluates the downlink performance of 5G non-terrestrial networks (NTNs) realized via tethered unmanned aerial vehicle (TUAV)-mounted base stations, and compares it against conventional 5G …
arXiv 2026 · arXiv preprint Securing Cooperative Sensing in UAV Swarms Against Conformity-Driven Byzantine Attacks

In integrated sensing and communication (ISAC) enabled 6G unmanned aerial vehicle (UAV) swarm networks, the widely adopted imitation-based conformity cooperation mechanism can be exploited by Byzantin…