Boeing 777-222 N209UA accident near Over The, Atlantic Ocean, August 18, 2023

Boeing 777-222, registration N209UA, operated by United Airlines, was involved in an accident near Over The, Atlantic Ocean on August 18, 2023. The NTSB lists the highest injury level as serious, with 9 people on board. Case DCA23LA421 is completed.

ADS-B receivers recorded 74 minutes of the flight after departing the Washington/Dulles Intl area (KIAD), reaching a maximum of 33,000 ft. The last recorded position was at 23:32 UTC, at 33,000 ft and 544 knots, climbing at 0 feet per minute, about 208 km from Nantucket Mem Arpt (KACK).

The nearest weather report, from KACK (207 km away), showed wind 250° at 13 knots, visibility 6 miles or more, no ceiling reported (VFR conditions).

The aircraft is a Boeing 777 222ER registered in United States (Mode S A1B535).

This page reconstructs the flight from public ADS-B data for information only. The NTSB report is the authority on what happened and why.

Key facts

Date
August 18, 2023
Location
Over The, Atlantic Ocean
Aircraft
Boeing 777-222
Registration
N209UA
Operator
United Airlines
Injuries
Serious (9 on board)
NTSB case
DCA23LA421 (Completed)
Departure area
Washington/Dulles Intl (KIAD)
Nearest airport
Nantucket Mem Arpt (KACK)
Recorded flight
74 min, max 33,000 ft
Last recorded position
23:32 UTC, 33,000 ft, 544 kt

3D flight replay

Replay the recorded flight in 3D with the weather, light and terrain at the time, flight instruments reconstructed from the aircraft's ADS-B transmissions, and automatically detected events.

Related accidents

Sources: NTSB case DCA23LA421; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.