NTSB investigations: Lycoming IO-320 series, MT

13 cases on aircraft whose registry engine model is Lycoming IO-320 series. 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

19642026
NTSB investigations: Lycoming IO-320 series, MT per year, 1964–2026: 13 cases
19641
19661
19671
19721
19781
19791
19801
19811
19911
20001
20071
20141
20201

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\" = 'MT' 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 ('41509'))
  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 WPR20LA308Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Billings, MTThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.Sep 12, 2020 · N7602Y · Substantial damageNTSB WPR14LA269Accident · Minor injuriesLimited investigationFinal reportPiper PA 30 · Kalispell, MTThe pilot’s inadequate preflight planning and checks, during which he failed to determine the quantity and distribution of the fuel, which resulted in the loss of right engine power during takeoff due to fuel starvation.Jun 25, 2014 · N7350Y · Substantial damageNTSB SEA08LA048Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Bridger, MTThe landing gear collapsed during landing for undetermined reasons.Dec 16, 2007 · N7252Y · Substantial damageNTSB SEA01LA023Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Stevensville, MTFatigue of the right propeller blade resulting in an in-flight separation of the blade tip. A contributing factor was the improper maintenance procedure.Nov 17, 2000 · N7062Y · Substantial damageNTSB SEA91FA073Accident · 1 fatalField investigationFinal reportPiper PA-30 · Butte, MTInadequate inflight decisions, fuel starvation, and failure to perform alternative IFR approach procedures. Factors include operation with known deficiencies in equipment, disorientation, and lack of familiarity with the geographic area.Mar 29, 1991 · N7133Y · Substantial damageNTSB DEN82FTI05Accident · Minor injuriesClosedPiper PA-30 · Sheridan, MTOct 31, 1981 · N7306Y · Substantial damageNTSB DEN80FTI10Accident · No injuriesClosedPiper PA-30 · Great Falls, MTJun 22, 1980 · N8817Y · Substantial damageNTSB SEA79FA040Accident · 1 fatalClosedBellanca 7KCAB · Laurel, MTJun 22, 1979 · N1833G · DestroyedNTSB SEA78FTI21Accident · 2 fatalClosedBellanca 7KCAB · Pray, MTMay 29, 1978 · N8527 · DestroyedNTSB SEA72FTI18Accident · No injuriesClosedPiper PA-30 · Thmpson Flls, MTMay 12, 1972 · N7788Y · Substantial damageNTSB SEA68D0194Accident · No injuriesClosedPiper PA-30 · Laurel, MTOct 26, 1967 · N7840Y · Substantial damageNTSB SEA67F0193Accident · No injuriesClosedPiper PA-30 · Billings, MTNov 12, 1966 · N7730Y · Substantial damageNTSB UNK65X0758Accident · No injuriesClosedPiper PA-30 · Miles City, MTNov 20, 1964 · N7318Y · Substantial damage