NTSB investigations: Lycoming IO-320 series, OK

18 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

19652026
NTSB investigations: Lycoming IO-320 series, OK per year, 1965–2026: 18 cases
19652
19671
19681
19712
19731
19741
19841
19852
19891
19992
20041
20111
20221
20261

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\" = 'OK' 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 CEN26LA248Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-30 · Tulsa, OKOn July 9, 2026, about 1729 central daylight time, a Piper PA-30 airplane, N8154Y, was substantially damaged when it was involved in an accident near Tulsa, Oklahoma. The flight instructor and pilot under instruction were seriously injured. The airplane was…Jul 9, 2026 · N8154Y · Substantial damageNTSB CEN22FA145Accident · 3 fatalClass 3 · FieldFinal reportPiper PA-30 · Pond Creek, OKThe pilot’s loss of control of the airplane, resulting in an in-flight breakup.Mar 17, 2022 · N8357Y · DestroyedNTSB CEN11FA434Accident · 1 fatalField investigationFinal reportSchaffer Gary W Lancair · Yukon, OKThe pilot's use of an excessive bank angle while in the airport traffic pattern, which resulted in an accelerated stall. Contributing to the accident were the pilot’s lack of experience in the airplane and the pilot’s distracted attention to the rough running…Jun 30, 2011 · N358MA · Substantial damageNTSB DFW05FA015Accident · 1 fatalField investigationFinal reportPiper PA-30 · Boise City, OKThe pilot's incapacitation (cardiovascular) resulting in a loss of aircraft control.Nov 5, 2004 · N7415Y · Substantial damageNTSB FTW99FA222Accident · 1 fatalField investigationFinal reportPiper PA30 · Holdenville, OKthe pilot's failure to maintain aircraft control during takeoff initial climb. Factors were the loss of right engine power for undetermined reasons, and the pilot's lack of total experience in the make and model of aircraft.Aug 16, 1999 · N7178Y · DestroyedNTSB FTW99LA154Accident · No injuriesLimited investigationFinal reportPiper PA-30B · Mcalester, OKThe pilot inadvertently stalling the airplane while attempting to avoid power lines. Factors were the loss of power on both the left and right engines as a result of water contamination in the fuel system, the pilot's inadequate preflight procedures, and the…May 28, 1999 · N7991Y · Substantial damageNTSB FTW89LA109Accident · Minor injuriesLimited investigationFinal reportPiper PA-30 · Bristow, OKThe pilot's improper fuel management and failure of the inflight restart attempt.Jun 6, 1989 · N7959Y · Substantial damageNTSB FTW85LA292Accident · No injuriesLimited investigationFinal reportChampion 7KCAB · Chattanooga, OKThe plt lost directional control while landing in a crosswind and the acft ground looped after the left main landing gear contacted soft terrain alongside of the runway. The nearest official aviation weather reporting station was at lawton, OK, located 16…Jul 20, 1985 · N1642G · Substantial damageNTSB FTW85LA217Accident · 1 fatalLimited investigationFinal reportChampion 7KCAB · Chattanooga, OKThe pilot was tow launching a glider. When about 200 feet above ground level and for unknown reasons the glider suddenly gained unwanted altitude and climbed above the tow plane. This pitched the nose of the tow plane downward before the tow line could be…May 11, 1985 · N5285X · Substantial damageNTSB FTW84FA171Accident · 2 fatalField investigationFinal reportBellanca 8KCAB · Kiefer, OKThe acft was destroyed as it spun into the ground after having been observed doing aerobatics between 800 and 1500 AGL. The maneuvers included barrel rolls and hammerhead stalls. The last maneuver ended in a spin that was said to last ABOUT5 turns before…Mar 17, 1984 · N5502V · DestroyedNTSB FTW74DPM26Accident · No injuriesClosedBellanca 7KCAB · Okemah, OKMay 12, 1974 · N5099X · Substantial damageNTSB FTW74FPM06Accident · No injuriesClosedPiper PA-30 · Tulsa, OKAug 31, 1973 · N8328Y · Substantial damageNTSB FTW72FPJ19Accident · No injuriesClosedChampion 7KCAB · Oklahoma Cty, OKOct 11, 1971 · N5099X · Substantial damageNTSB FTW71FPJ43Accident · No injuriesClosedPiper PA-30 · Oklahoma Cty, OKMay 24, 1971 · N8396Y · Substantial damageNTSB FTW68A0072Accident · No injuriesClosedPiper PA-30 · Enid, OKJan 17, 1968 · N7407Y · Substantial damageNTSB FTW68D0340Accident · No injuriesClosedPiper PA-30 · Okla.City, OKNov 27, 1967 · N7519Y · Substantial damageNTSB FTW66D0416Accident · No injuriesClosedPiper PA-30 · Tulsa, OKOct 10, 1965 · N7746Y · Substantial damageNTSB FTW65F0026Accident · No injuriesClosedPiper PA-30 · Oklahoma City, OKApr 18, 1965 · N7670Y · Substantial damage