Fatal NTSB investigations: Weatherly 620B
9 cases on aircraft the registry lists as Weatherly 620B. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1995 | 1 |
|---|---|
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2007 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2019 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630605', '9630607'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630605', '9630607'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA26FA341Accident · 1 fatalClass 3 · FieldPreliminary reportWeatherly 620 · Lynchburg, SCOn September 17, 2026, about 0720 eastern daylight time, a Weatherly Aviation Company Inc. 602B, N20003, was substantially damaged when it was involved in an accident near Lynchburg, South Carolina. The pilot was fatally injured. The airplane was operated as…NTSB ERA19LA263Accident · 1 fatalClass 3 · LimitedFinal reportWeatherly 620 · Russellville, ALThe pilot's failure to see and avoid powerlines during low-altitude agricultural spraying flight operations.NTSB CEN15LA399Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Hancock, WIThe in-flight failure of the left wing lower forward attach point under normal loading conditions due to corrosion and fatigue cracking in the center section hinge brackets. Contributing to the accident was the operator's inadequate maintenance and overweight…NTSB CEN13FA324Accident · 1 fatalField investigationFinal reportWeatherly 620B · Ludlow, SDThe pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall. Contributing to the accident was task- and/or work-related fatigue.NTSB CHI07LA207Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Wyoming, ILThe pilot's failure to maintain clearance with the power lines during the aerial application flight. Contributing to the accident were the power lines and the low altitude.NTSB SEA00LA051Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Odell, ORThe pilot's failure to maintain sufficient altitude over, or clearance with, a tree. Factors contributing to the occurrence of the accident were the tree and sharply rising terrain. A factor contributing to the severity of the accident was a post-crash fuel…NTSB LAX99LA107Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Yuma, AZThe pilot's failure to maintain an adequate clearance from the power lines during an aerial application flight. A factor in the accident was the dark night lighting conditions.NTSB FTW98FA028Accident · 1 fatalField investigationFinal reportWeatherly 620B · Cee Vee, TXThe pilot's failure to maintain clearance with the power lines during an aerial application flight.NTSB FTW95FA231Accident · 1 fatalField investigationFinal reportWeatherly 620B · Flagler, COFailure by the pilot to maintain clearance from the static line of a power transmission array during an aerial application flight.