NTSB investigations: Weatherly 620A

5 cases on aircraft the registry lists as Weatherly 620A. 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

19922026
NTSB investigations: Weatherly 620A per year, 1992–2026: 5 cases
19921
20032
20151
20221

Latest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630603'))
  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.

NTSB CEN22LA340Accident · No injuriesClass 4 · LimitedFinal reportWeatherly 620A · Stewart, MNThe pilot’s failure to maintain adequate clearance from crops during an agricultural flight.Jul 25, 2022 · N4651W · Substantial damageNTSB CEN15LA272Accident · Serious injuriesLimited investigationFinal reportWeatherly 620A · Van Horn, TXThe loss of engine power for reasons that could not be determined based on the available information.Jun 14, 2015 · N4659N · Substantial damageNTSB CHI03LA254Accident · No injuriesLimited investigationFinal reportWeatherly 620A · Doland, SDThe pilot's failure to maintain clearance from the wires and directional control not being possible due to the failure of the brake system. Factors contributing to the accident were the wires, the trees, and the failure of the brake system.Aug 10, 2003 · N4656M · Substantial damageNTSB CHI03LA134Accident · Minor injuriesLimited investigationFinal reportWeatherly 620A · Melville, NDThe pilot's failure to maintain clearance from the wires. The low altitude operation and the wires were contributing factors.May 24, 2003 · N4650W · Substantial damageNTSB ATL92LA154Accident · Minor injuriesLimited investigationFinal reportWeatherly 620A · Cobb, GAThe corroded, and separated, magnetic chip detector plug which allowed the loss of all engine oil and the engine's subsequent seizure. Factors were the inadequate 100 hour inspection, and the high vegetation in the forced landing field.Aug 9, 1992 · N4650W · Substantial damage