Critical Learning From Potomac Midair: Why ADS-B In Is Non-Negotiable
NTSB hearing on tragic collision highlighted numerous issues that different organizations had failed to address over many years.
D.C. midair
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NTSB: Black Hawk Involved in D.C. Midair May Have Been Flying Too High
Control tower data shows the U.S. Army helicopter was flying at an altitude around 300 feet despite restrictions limiting it to no higher than 200 feet.
