NTSB investigations: Lycoming R680

7 cases on aircraft whose registry engine model is Lycoming R680, where the defining event was Loss of control on ground. 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

20092026
NTSB investigations: Lycoming R680 per year, 2009–2026: 7 cases
20091
20101
20111
20191
20201
20252

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.engine_model_code IN ('41540')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '230'))
  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 WPR25LA258Accident · No injuriesClass 4 · LimitedFinal reportBoeing B75N1 · Vacaville, CAThe pilot's failure to maintain directional control during the landing roll with a quartering tailwind.Aug 19, 2025 · N14GC · Substantial damageNTSB ERA25LA241Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Burlington, VTThe pilot’s failure to maintain control of the airplane on landing.Jun 26, 2025 · N17N · Substantial damageNTSB WPR20CA073Accident · Minor injuriesData collectionFinal reportStearman B75N1 · Vacaville, CAThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion and nose-over when the right wheel encountered mud.Jan 22, 2020 · N14GC · Substantial damageNTSB GAA19CA253Accident · No injuriesData collectionFinal reportStearman A75N1(PT17) · Gila Bend, AZThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion and impact with a ditch.Apr 26, 2019 · N67823 · Substantial damageNTSB ERA11CA351Accident · No injuriesData collectionFinal reportPerth Amboy Bird CK · New Castle, PAThe pilot's improper use of brakes during the landing rollout.Jun 17, 2011 · N914V · Substantial damageNTSB CEN10LA351Accident · No injuriesLimited investigationFinal reportBoeing A75N1 (PT17) · Indianapolis, INThe pilot's inability to maintain directional control during landing due to the airplane not being equipped with a steerable or locking tailwheel as required by the airplane's design.Jun 26, 2010 · N469RH · Substantial damageNTSB CEN09CA507Accident · Serious injuriesData collectionFinal reportBoeing A75L300 · Salina, KSThe pilot's failure to maintain directional control during a touch-and-go.Aug 10, 2009 · N75263 · Substantial damage