NTSB investigations: Lycoming 0-320 series, AL

9 cases on aircraft whose registry engine model is Lycoming 0-320 series, where the first occurrence was “Loss of control - on ground/water”. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19832026

NTSB investigations: Lycoming 0-320 series, AL per year, 1983–2026: 9 cases
1983	1
1984	1
1988	1
1995	1
1999	1
2003	1
2004	2
2007	1

Where

Open the map

Latest cases

Query with SQL

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" = 'AL' 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 ('41508') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'AL' 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 ('41508')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
  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."eventStateOrRegion" = 'AL' 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 ('41508')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 ATL07CA080Accident · No injuriesData collectionFinal reportRans RV-4 · Selma, ALThe pilot's failure to maintain directional control during landing roll.Apr 22, 2007 · N186AS · Substantial damage NTSB ATL05CA036Accident · No injuriesData collectionFinal reportChampion 7-GCAA · Talladega, ALThe binding right wheel brake that resulted in a loss of control during landing roll. A factor was the drainage ditch.Dec 29, 2004 · N9588S · Substantial damage NTSB ATL04CA131Accident · No injuriesData collectionFinal reportCessna 172 · Meridianville, ALThe pilot's failure to maintain directional control during an attempted takeoff, which resulted in the on ground collision with the ground.Jun 13, 2004 · N98981 · Substantial damage NTSB ATL03LA032Accident · No injuriesLimited investigationFinal reportAero Commander 100 · Geneva, ALThe pilot's failure to achieve takeoff due to a mistrimmed elevator, and his failure to maintain directional control.Jan 8, 2003 · N3628X · Substantial damage NTSB ATL99LA090Accident · No injuriesLimited investigationFinal reportCessna 172M · Double Springs, ALThe pilot's failure to maintain directional control of the aircraft during landing. A factor was the pilot's lack of experience.May 16, 1999 · N20417 · Substantial damage NTSB ATL95LA041Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Meridianville, ALThe failure of the student pilot to maintain directional control of the aircraft.Jan 16, 1995 · N739RN · Substantial damage NTSB ATL88LA201Accident · No injuriesLimited investigationFinal reportCessna 172M · Meridianville, ALThe plt reported that he attempted to make a touch and go ldg at the departure arpt before heading out on the first leg of a cross-country flt. The airplane encountered a gust of wind at touchdown and veered off the side of the rwy. The airplane subsequently…Jun 26, 1988 · N5075R · Substantial damage NTSB ATL85LKG02Accident · No injuriesFinal reportCessna 172N · Tuscaloosa, ALThe acft veered to the left during the takeoff ground run. The acft departed the rwy into a soft, plowed field where it momentarily nosed down before coming to rest on the main landing gear.Dec 23, 1984 · N1947F · Substantial damage NTSB ATL84LA020Accident · No injuriesLimited investigationFinal reportCessna 172 · Cullman, ALThe student plt was on his 1st solo flt. During a touch-and-go pattern, he started to takeoff, after landing, with the elevator trim in a nearly full nose-up position. He stated that after he added power to takeoff, he had to hold the nose down by applying…Oct 15, 1983 · N5082G · Substantial damage