NTSB investigations: Amateur-built UNKNOWN ENG, SD

6 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG. 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

19812026
NTSB investigations: Amateur-built UNKNOWN ENG, SD per year, 1981–2026: 6 cases
19811
20081
20092
20131
20161

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.\"eventStateOrRegion\" = 'SD' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
  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 CEN16FA344Accident · 2 fatalField investigationFinal reportAves Douglas James RV 6 · Viborg, SDThe pilot's failure to maintain airplane control, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, and subsequent flat spin into terrain.Sep 2, 2016 · N676DT · DestroyedNTSB CEN13LA220Accident · Minor injuriesLimited investigationFinal reportWalker Phil RV-6A · Spearfish, SDThe coil-distributor wire loosening in flight, which rendered the ignition system inoperative and subsequently caused the loss of engine power.Apr 4, 2013 · N525PW · Substantial damageNTSB CEN09LA523Accident · 2 fatalLimited investigationFinal reportFrom Here To There PDQ RV-8 · Tea, SDThe pilot's failure to maintain control of the airplane during recovery from an aerobatic maneuver.Aug 16, 2009 · N98AW · Substantial damageNTSB CEN09CA519Accident · No injuriesData collectionFinal reportCessna 182A · Watertown, SDA loss of engine power due to fuel exhaustion as a result of a fuel tank leak. Contributing to the accident was the reported malfunction of the fuel gauge.Jul 31, 2009 · N2131G · Substantial damageNTSB CEN09CA026Accident · Minor injuriesData collectionFinal reportHolland Rotorway 162F · Rutland, SDThe loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.Oct 10, 2008 · N162NJ · Substantial damageNTSB DEN81FTK16Accident · No injuriesClosedGrum-Amer AA-5B · Custer, SDJul 28, 1981 · N81272 · Substantial damage