NTSB investigations: Lycoming IO-540 series
62 cases on aircraft whose registry engine model is Lycoming IO-540 series, where the first occurrence was “In flight encounter with weather”. 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
| 1982 | 2 |
|---|---|
| 1983 | 2 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 4 |
| 1996 | 4 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 5 |
| 2000 | 1 |
| 2001 | 5 |
| 2002 | 6 |
| 2004 | 6 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 3 |
Where
Open the mapLatest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585')
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\" = 240))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585')
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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 DEN08CA016Accident · No injuriesData collectionFinal reportRobinson R-44 II · Cleveland, GAthe student pilot's failure to maintain control of the helicopter during the landing, resulting in substantial damage to the helicopter. Contributing to the accident was the windy conditions.NTSB NYC07FA226Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Whitfield, ALThe pilot’s intentional flight into known thunderstorms.NTSB SEA07FA199Accident · 2 fatalField investigationFinal reportCessna 182S · New River, AZThe pilot's inadvertent VFR flight into IMC and his ensuing failure to maintain aircraft control while in cruise flight. Contributing factors were the cloudy weather and the dark night conditions.NTSB CHI07FA046Accident · 2 fatalField investigationFinal reportRockwell International 114 · Jasper, TNThe pilot's inability to maintain altitude due to excessive airframe ice accretion, resulting in an in-flight collision with trees and terrain. Additional causes were the pilot's continued flight in icing conditions once they had been encountered, and his…NTSB SEA06FA159Accident · 3 fatalField investigationFinal reportRobinson R44 II · Warrenton, ORThe pilot's intentional flight into instrument meteorological conditions while maneuvering which resulted in an in flight collision with terrain/water.NTSB LAX06LA247Accident · Minor injuriesLimited investigationFinal reportRobinson R44 · Flagstaff, AZthe pilot's inadequate preflight planning decision to take off under a low ceiling into an area of mountainous terrain that resulted in an encounter with lowering clouds and forced the pilot to land in unfavorable terrain.NTSB ANC06LA025Accident · No injuriesLimited investigationFinal reportRobinson R44 · Ilimana, AKThe pilot's continued flight into adverse weather conditions, and his spatial disorientation and loss of control during a subsequent landing attempt. Factors associated with the accident are flat light and whiteout conditions, fog, and snow-covered terrain.NTSB LAX06FA054Accident · 2 fatalField investigationFinal reportPiper PA-32RT-300 · Kingsburg, CAThe pilot's in-flight decision to continue VFR flight into instrument meteorological conditions during descent, which resulted in an in-flight collision with trees and terrain. Fog, low ceiling, and obscuration were factors.NTSB ATL05LA154Accident · 2 fatalLimited investigationFinal reportSamson Seawind 3000 · Wrightsville Bh, NCThe pilot's improper preflight decision to attempt night VFR flight into IMC, which resulted in an inflight encounter with weather and the pilot's subsequent loss of control of the airplane due to spatial disorientation.NTSB NYC05CA037Accident · No injuriesData collectionFinal reportPiper PA-32RT-300 · Johnstown, NYThe pilot's inadequate in-flight planning/decision which resulted in airframe ice with subsequent degradation of aircraft performance, and inadequate airspeed during the landing flare.NTSB CHI04FA215Accident · 1 fatalField investigationFinal reportJorgensen Velocity XL-RG · Belvidere, KSThe non-instrument rated pilot's VFR flight into known instrument meteorological conditions and his failure to maintain aircraft control which resulted in an inverted flat spin, in-flight breakup, and explosion.NTSB DEN04LA086Accident · Minor injuriesLimited investigationFinal reportEagle DW-1 · Circleville, UTthe encounter with severe turbulence during aerial application and the pilot's inability to maintain aircraft control resulting in the in-flight collision with terrain. A contributing factor was the low altitude.NTSB NYC04FA136Accident · 2 fatalField investigationFinal reportPiper PA-32-300 · Leominster, MAThe pilot's failure to follow instrument flight procedures resulting in a collision with trees. A factor related to the accident was the low cloud ceiling, and dark night.NTSB ATL04FA093Accident · 3 fatalField investigationFinal reportCessna 182S · North Augusta, SCThe pilot's failure to maintain control of the airplane due to spatial disorientation, which resulted in an uncontrolled descent and subsequent in-flight collision with trees and the ground.NTSB NYC04FA092Accident · 6 fatalField investigationFinal reportPiper PA-32R-301 · Harlan, KYThe pilot's improper decision to continue VFR flight into IMC conditions and his failure to maintain terrain clearance, which resulted in controlled flight into terrain. Factors were night, snow and a low ceiling.NTSB NYC03FA024Accident · 1 fatalField investigationFinal reportSocata TB-20 · Massena, NYThe pilot's failure to maintain airspeed, which resulted in a stall. Factors in this accident were the icing conditions, deteriorated airplane performance due to ice accumulation, and control interference by the passenger as reported by the pilot.NTSB NYC03FA015Accident · 1 fatalField investigationFinal reportCessna 182S · Accident, MDThe pilots improper in-flight decision to continue flight into known adverse weather conditions. A factor related to the accident was the icing conditions.NTSB FTW03FA016Accident · 6 fatalField investigationFinal reportPiper PA-32-301 · Paron, ARThe pilot's failure to maintain altitude/clearance from terrain. Contributing factors were the low ceiling, the pilot's decision to fly in known adverse weather conditions, and his lack of an instrument rating.NTSB NYC02LA167Accident · No injuriesLimited investigationFinal reportPiper PA32-300 · Chatham, MAThe pilot's improper in-flight decision to continue the landing after losing visual contact with the runway, which resulted in his failure to obtain the proper touchdown point, and the subsequent overrun. Factors in this accident were the clouds and low…NTSB ATL02LA144Accident · 5 fatalLimited investigationFinal reportPiper PA-32RT-300 · Atlantic Ocean, BahamasThe pilot continued VFR flight into IMC and thunderstorm conditions which resulted in spatial disorientation and subsequent loss of control of the airplane.NTSB FTW02FA192Accident · 4 fatalField investigationFinal reportPiper PA-24-260 · Gorman, TXThe pilot's loss of control and the exceedence of the design limits of the airplane which resulted in an in-flight break-up. A factor was inadvertent VFR flight into IMC.NTSB LAX02FA031Accident · 5 fatalField investigationFinal reportAero Commander 500S · Eagleville, CAthe pilot's encounter with forecast mountain wave conditions, moderate or greater turbulence, and icing, with downdrafts that likely exceeded the climb capability of the airplane, which was encountered at an altitude that precluded recovery. Also causal in…NTSB LAX02FA019Accident · 1 fatalField investigationFinal reportCessna 182S · Little River, CAthe pilot's continued VFR flight into instrument meteorological conditions, which resulted in a collision with trees and terrain.NTSB ATL01FA105Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Byhalia, MSThe pilot's improper evaluation of weather conditions which lead to an inflight encounter with turbulent weather resulting in an in flight break up of the airframe, and subsequent uncontrolled descent into terrain. A factor was the pilot's drug impairment.NTSB ANC01FA106Accident · 1 fatalField investigationFinal reportMaule M-6-235 · Kotzebue, AKThe pilot's failure to maintain adequate clearance from an obstruction (antenna tower), and his continued flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, and low visibility.NTSB ANC01FA093Accident · 6 fatalField investigationFinal reportPiper PA-32-300 · Haines, AKThe pilot's continued flight into known adverse weather conditions, and his poor in-flight decision making. Factors associated with the accident were clouds and mountainous terrain. A finding is the pilot's use of FAA prohibited drugs.NTSB CHI00LA073Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Amery, WIthe pilots failure to maintain directional control. Factors to the accident were the icing conditions, the snow and ice covered runway and the snowbank.NTSB SEA00LA034Accident · No injuriesLimited investigationFinal reportCessna 182S · Kennewick, WAThe pilot's decision to continue flight into known icing conditions, and his subsequent failure to maintain adequate airspeed on final approach, resulting in a hard landing. Factors included: icing conditions; the pilot's improper decision to continue to his…NTSB ANC00LA013Accident · No injuriesLimited investigationFinal reportMaule M7-235C · Palmer, AKThe pilot's intentional takeoff into known adverse weather. Factors associated with this accident are crosswinds, gusts, and downdrafts.NTSB ANC00LA009Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Russian Mission, AKThe pilot's continued flight into adverse weather, and an inadvertent stall. Factors in the accident were adverse weather consisting of icing conditions, and airframe icing.NTSB FTW99FA104Accident · 1 fatalField investigationFinal reportPiper PA-46-350P · Waldron, ARThe pilot's encounter with adverse weather and loss of aircraft control, which resulted in exceeding the aircraft's design stress limits. Factors were the pilot's lack of total experience in the make and model of airplane, and the icing and thunderstorm…NTSB MIA99LA096Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Stuart, FLThe inadequate touchdown resulting in a hard landing on the nose landing gear and subsequent structural damage.NTSB DEN99LA026Accident · No injuriesLimited investigationFinal reportPiper PA-46-350P · Granby, COThe in-flight encounter with clear air turbulence during descent.NTSB ANC98LA165Accident · Serious injuriesLimited investigationFinal reportMaule ML-7 · Wasilla, AKThe pilot's inadequate compensation for the wind conditions, resulting in an inadvertent stall. Contributing factors were the gusty and turbulent weather conditions.NTSB FTW98FA185Accident · 2 fatalField investigationFinal reportYoung Glasair III · St. Martinville, LAThe pilot's failure to maintain control of the aircraft as a result of VFR flight into instrument meteorological conditions and flight into known adverse weather conditions. Contributing factors were turbulence, clouds, dark night and lack of an instrument…NTSB MIA98FA040Accident · 3 fatalField investigationFinal reportCommander 114B · Cross City, FLVFR flight by the noninstrument-rated pilot into instrument meteorological conditions (IMC), and his failure to maintain control of the aircraft, due to spatial disorientation, which resulted in an uncontrolled descent and collision with the terrain (tree,…NTSB LAX97LA303Accident · 1 fatalLimited investigationFinal reportFleming Glassair III · Dunsmuir, CAwas the pilot's intentional flight into marginal meteorological conditions in mountainous terrain during dark nighttime conditions.NTSB ANC96FA137Accident · Serious injuriesField investigationFinal reportPiper PA-32 · Haines, AKthe pilot's inadvertent flight into instrument meteorological conditions (IMC) failure to maintain adequate altitude/clearance from terrain, while maneuvering to reverse the direction of flight. Factors associated with the accident were: the pilot's…NTSB MIA96LA123Accident · Serious injuriesLimited investigationFinal reportVernon L. Cox COX-HAWK · Mebane, NCThe pilot's inadvertent flight into instrument meteorological conditions in an airplane not equipped with appropriate instrumentation which led to the pilot's inability to maintain control and spatial disorientation. In addition, during an attemped recovery…NTSB ANC96LA027Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-301 · Nome, AKthe pilot's continued VFR flight into instrument meteorological conditions and his failure to maintain adequate altitude/clearance from terrain. Low ceilings and snow covered terrain were factors in the accident.NTSB MIA96FA048Accident · 2 fatalField investigationFinal reportPiper PA-32-301 · Memphis, TNthe pilot's continued flight into known forecast icing conditions which resulted in the aircraft developing an ice buildup, and the pilot's failure to maintain control of the aircraft. The icing conditions was a factor.NTSB CHI96FA049Accident · 1 fatalField investigationFinal reportPiper PA-32R-301T · Parker, KSthe pilot's impairment of judgment and performance due to a drug (cocaine); his improper in-flight decision to continue flight over an overcast condition and then to descend into instrument meteorological conditions (IMC); his failure to maintain control of…NTSB NYC96LA013Accident · No injuriesLimited investigationFinal reportPiper PA-32 · Honsdale, PAthe pilot's improper evaluation of the weather briefing, and his decision to fly into known forecasted moderate to severe icing conditions. Factors in the accident were the adverse weather conditions encountered during the flight and landing.NTSB ANC95LA172Accident · No injuriesLimited investigationFinal reportMaule M-7-235 · Aniak, AKThe pilot's inadequate weather evaluation. Factors associated with the accident were: the box canyon, rising terrain, wind gusts, and downdrafts.NTSB MIA95FA037Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · Sylvan Springs, ALPoor in-flight planning/decision by the pilot-in-command for failure to deviate to an alternate airport after encountering icing conditions in an airplane not certificated for flight in icing conditions. Also, failure of the pilot to maintain altitude…NTSB ATL94FA075Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · Smithville, TNThe pilot's failure to obtain recent weather information to avoid flight into icing conditions. Factors in the accident were: management-induced pressure and the icing conditions.NTSB BFO94FA021Accident · 1 fatalField investigationFinal reportPiper PA32R-301 · Butler, PAThe pilot's inadvertent flight into IMC conditions and his failure to maintain proper altitude. The weather conditions were a factor.NTSB BFO91LA063Accident · Serious injuriesLimited investigationFinal reportPiper PA-23-250 · New Market, VAThe pilot's inadequate inflight decision that resulted in VFR flight into IMC.NTSB NYC91FA145Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · Wallingford, CTThe pilot attempting a VFR flight in adverse weather conditions, at an altitude that was insufficient to clear trees along his route of flight. Factors related to the accident were the pilot's lack of instrument rating, and his overconfidence to fly in…NTSB MKC90LA040Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Norfolk, NEInproper in-flight planning/decision by the pilot and his delay in diverting to an alternate airport, which resulted in fuel exhaustion due to an inadequate supply of fuel. Factors related to the accident were: the adverse weather conditions, the pilot's lack…