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NTSB investigations: Lycoming IO-320 series, AZ

29 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19712026

Where

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" = 'AZ' 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

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\" = 'AZ' 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.

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" = 'AZ' 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

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 WPR26LA007Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Gila Bend, AZThe pilot’s improper throttle input and failure to maintain aircraft control during landing.Oct 6, 2025 · N8678Y · Substantial damage NTSB WPR24LA061Accident · No injuriesClass 3 · LimitedFinal reportGlasair SH2 · Prescott, AZLoss of directional control during landing due to an improperly constructed and maintained tailwheel locking assembly.Dec 26, 2023 · N29TT · Substantial damage NTSB WPR23LA348Accident · No injuriesClass 3 · LimitedFinal reportChampion 7KCAB · Benson, AZThe pilots’ failure to maintain control of the aircraft during takeoff.Sep 19, 2023 · N998B · Substantial damage NTSB WPR23LA013Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Tucson, AZThe pilot’s loss of control during landing for reasons that could not be determined based on the available evidence.Oct 15, 2022 · N7746Y · Substantial damage NTSB GAA18CA381Accident · No injuriesData collectionFinal reportPiper PA 30 · Goodyear, AZThe pilot receiving instruction’s failure to maintain directional control during the landing roll.Jun 23, 2018 · N7072Y · Substantial damage NTSB WPR14LA169Accident · Minor injuriesLimited investigationFinal reportPiper PA30 - NO Series · Bullhead City, AZThe pilot's mismanagement of the throttle and propeller controls during the attempted go-around after encountering turbulence, which resulted in his failure to maintain adequate airspeed and climb rate and a subsequent forced landing and impact with terrain.…Apr 21, 2014 · N7880Y · Substantial damage NTSB WPR13LA060Accident · No injuriesLimited investigationFinal reportPiper PA30 · Phoenix, AZThe pilot's failure to properly inhibit the landing gear transmission motor consistent with the emergency landing gear extension procedure, which precluded the full extension of the landing gear. Contributing to the accident was the airplane's electrical…Nov 24, 2012 · N8747Y · Substantial damage NTSB WPR11LA044Accident · No injuriesLimited investigationFinal reportPiper PA30 · Tucson, AZThe pilot's impairment by an undiagnosed medical condition, which resulted in a loss of directional control and subsequent collision with a building during the landing roll. Contributing to the accident was the pilot's decision to fly when he was not feeling…Nov 10, 2010 · N628R · Substantial damage NTSB WPR09LA324Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Tucson, AZThe pilot’s failure to maintain directional and lateral aircraft control during takeoff. Contributing to the accident was the partial loss of left engine power for undetermined reasons.Jul 3, 2009 · N7657Y · Substantial damage NTSB LAX08LA107Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Holbrook, AZA total loss of engine power due to fuel starvation as a result of the pilot's fuel system mismanagement and incorrect positioning of the fuel selector valves.Apr 15, 2008 · N8442Y · Substantial damage NTSB LAX04CA252Accident · No injuriesData collectionFinal reportBellanca 7KCAB · Casa Grande, AZthe pilot misjudged the flare resulting in a bounced landing. Also causal was the pilot's inadequate recovery from the bounced landing resulting in a loss of directional control.Jun 29, 2004 · N8717V · Substantial damage NTSB LAX89LA065Accident · No injuriesLimited investigationFinal reportBellanca 7KCAB · Phoenix, AZThe pilot lost control during the landing roll and collided with a fence. He reported that he was completing his landing roll on runway 25L, when the aircraft was blown sideways by a gust of wind. He stated that he then applied power to avoid a ground loop.…Dec 18, 1988 · N36627 · Substantial damage NTSB LAX87LA127Accident · Minor injuriesLimited investigationFinal reportChampion 7KCAB · Roosevelt, AZAt the end of a pleasure cross-country flight, the pilot reported that during the landing roll, the passenger was moving around in the back seat and accidentally pressed on the right brake. Before the pilot could get the aircraft under control, the aircraft…Feb 27, 1987 · N7572F · Substantial damage NTSB LAX87LA075Accident · Minor injuriesLimited investigationFinal reportBellanca 8KCAB · Tucson, AZThe plt lost control and collided with the surface of runway 24 during initial takeoff climb. The pilot indicated that he encountered a crosswind gust from his left during the initial takeoff/climb. The aircraft right wing or landing gear dragged along the…Jan 4, 1987 · N68557 · Substantial damage NTSB LAX87LA011Accident · No injuriesLimited investigationFinal reportBellanca 7KCAB · Yuma, AZA Bellanca 7KCAB lost control and veered off rwy 16. The CFI indicated that the aircraft veered right during landing roll. The student pilot applied left pedal and the aircraft swung left and ground looped. The aircraft dropped off the rwy shoulder, breaking…Oct 6, 1986 · N8727V · Substantial damage NTSB LAX87LA002Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Holbrook, AZJust after takeoff, the right engine lost power at an altitude of approximately 450 feet. The right propeller was feathered, but the pilot was unable to maintain altitude. Subsequently, the aircraft collided with terrain about 3 miles south of the airport.…Oct 3, 1986 · N12BX · Substantial damage NTSB LAX86LA337Accident · No injuriesLimited investigationFinal reportBellanca 7KCAB · Poston, AZAt the end of a local practice flight the plt overflew the rwy and observed the wind sock. She noted the speed and direction to be 5 KTS from the north and elected to land downwind for easy access to the fuel tanks located on the south end. On touchdown, the…Sep 4, 1986 · N68573 · Substantial damage NTSB LAX86LA192Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Coolidge, AZThe plt shut down the acft eng when it surged during an encounter with turbulence. The plt initiated a precautionary downwind landing on a nearby airstrip and the acft overran the rwy and collided with a fence.Apr 26, 1986 · N7280Y · Substantial damage NTSB LAX81DUJ38Accident · No injuriesClosedBellanca 7KCAB · Chandler, AZFeb 1, 1981 · N1642G · Substantial damage NTSB LAX80DUJ96Accident · No injuriesClosedBellanca 7KCAB · Page, AZSep 7, 1980 · N8845 · Substantial damage NTSB LAX80DUJ16Accident · No injuriesClosedPiper PA-30 · Chandler, AZDec 6, 1979 · N7420Y · Substantial damage NTSB LAX79DUJ31Accident · No injuriesClosedBellanca 7KCAB · Tucson, AZNov 30, 1978 · N86651 · Substantial damage NTSB LAX78FUJ45Accident · No injuriesClosedCitabria 7KCAB · Phoenix, AZApr 16, 1978 · N36414 · 2 aircraft · Substantial damage NTSB LAX76FUJ65Accident · No injuriesClosedBellanca 8KCAB · Goodyear, AZMar 25, 1976 · N86607 · Substantial damage NTSB LAX76AUJ41Accident · No injuriesClosedBellanca 7KCAB · Mesa, AZOct 30, 1975 · N8727V · Substantial damage NTSB LAX75AUJ68Accident · No injuriesClosedPiper PA-30 · Phoenix, AZMar 13, 1975 · N8037Y · Substantial damage NTSB LAX73DUJ69Accident · No injuriesClosedPiper PA-30 · Casa Grande, AZApr 7, 1973 · N7019Y · Substantial damage NTSB LAX73DUJ54Accident · No injuriesClosedChampion 7KCAB · Tucson, AZFeb 27, 1973 · N7531F · Substantial damage NTSB LAX72FUJ37Accident · No injuriesClosedPiper PA-30 · Tucson, AZAug 13, 1971 · N8778Y · Substantial damage