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Thomas
@aviationdoctor.eth
I ran a search for airborne conflicts and near mid-air collisions at Ronald Reagan Washington National Airport (DCA) for the last five years in NASA's Aviation Safety Reporting System (ASRS), and found six of them (~1.5 per year if we exclude the 2020–2021 period of virtually no traffic due to COVID–19). 🧵
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Thomas
@aviationdoctor.eth
#1 is ACN 1618051 in Feb 2019. A Bombardier CRJ200 did a go-around due to a wind gust and found itself climbing too close to a departing Embraer ERJ170. A resolution advisory was issued by the TCAS and an evasive maneuver had to be performed.
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Thomas
@aviationdoctor.eth
#2 is ACN 1871698 in Jan 2022. ATC failed to separate a landing aircraft and a crossing helicopter above the Potomac, resulting in a resolution advisory followed by a GPWS alert. An evasive maneuver had to be performed.
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Thomas
@aviationdoctor.eth
#3 is 1935869 in Sep 2022. ATC reported an airborne conflict between two military helicopters and cited manpower shortage as causal (controller working two positions).
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Thomas
@aviationdoctor.eth
#4 is 1947048 in Oct 2022. A landing aircraft received a traffic followed by a resolution advisory over the Potomac and performed an emergency climb to avoid collision with a helicopter lifting off.
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Thomas
@aviationdoctor.eth
#5 is 2067857 in Dec 2023. A landing aircraft came within 20–50 ft of a drone. Approach continued as normal after that.
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Thomas
@aviationdoctor.eth
#6 is 2106384 in Apr 2024. A landing aircraft received a traffic advisory as it passed 300 ft above a crossing helicopter not properly deconflicted by ATC. The aircraft briefly departed from the glide path but eventually resumed its approach and landed normally.
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DV
@degenveteran.eth
Damn drones...
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