NTSB investigations: Continental IO-520 series, AL
61 cases on aircraft whose registry engine model is Continental IO-520 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
| 1966 | 1 |
|---|---|
| 1970 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 5 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2024 | 1 |
| 2026 | 2 |
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.\"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 ('17032'))
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 ('17032'))
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 ERA26LA140Accident · 2 fatalClass 3 · LimitedPreliminary reportBeech A36 · Gulf Shores, ALOn March 7, 2026, about 1900 central standard time, a Beechcraft A36, N66519 was destroyed when it was involved in an accident near Gulf Shores, Alabama. The pilot and one passenger were fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB ERA26LA117Accident · No injuriesClass 4 · LimitedFinal reportBeech V35 · Gulf Shores, ALThe pilot’s failure to establish a positive rate of climb before retracting the landing gear, which resulted in abnormal runway contact during the takeoff roll.NTSB ERA24LA344Accident · No injuriesClass 4 · LimitedFinal reportBeech A36 · Cullman, ALThe pilot’s decision to depart in an area of developing convective weather, which resulted in an unanticipated wind shift during the initial climb after takeoff, a loss of climb performance, and the subsequent forced landing.NTSB ERA22LA092Accident · Serious injuriesClass 4 · LimitedFinal reportBeech D55 · Hamilton, ALThe pilot’s failure to properly configure the airplane’s fuel system, which resulted in a loss of engine power on the left engine due to fuel starvation.NTSB ERA22LA071Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 210 · Brent, ALThe inadequate maintenance of the oil filter adapter, which resulted in in an engine oil leak and subsequent loss engine oil pressure, and the subsequent off-airport landing.NTSB ERA21LA162Accident · Serious injuriesClass 4 · LimitedFinal reportBellanca 1730 · Bessemer, ALThe pilot’s failure to maintain control of the airplane, which resulted in an exceedance of the airplane’s critical angle of attack, and a subsequent aerodynamic stall.NTSB ERA21LA068Accident · 1 fatalClass 3 · LimitedFinal reportBeech V35A · Attalla, ALA loss of control inflight and the failure of a component of the up elevator flight control system due to fatigue, which rendered recovery from a right descending turn improbable.NTSB ERA20LA262Accident · 2 fatalClass 3 · LimitedFinal reportBeech F33 · Malbis, ALThe noninstrument-rated pilot’s decision to depart in deteriorating weather conditions, which led to restricted visibility and the pilot’s loss of airplane control due to spatial disorientation. Contributing to the pilot’s poor decision-making was…NTSB GAA16CA161Accident · No injuriesData collectionFinal reportBeech 58 · Huntsville, ALThe pilot's failure to extend the landing gear prior to touchdown resulting in a landing with the landing gear retracted and consequent substantial damage.NTSB GAA15CA213Accident · No injuriesData collectionFinal reportCessna A185F · Dauphin Island, ALThe pilot's loss of directional control during the landing roll in gusty wind conditions which resulted in a ground loop and impact with terrain.NTSB ERA15CA176Accident · Serious injuriesData collectionFinal reportBeech V35B · Wetumpka, ALThe pilot's use of an incorrect radio frequency when attempting to turn on the runway lights, resulting is an attempt to land the airplane while aligned with airport hangar lights.NTSB ERA14FA120Accident · 2 fatalField investigationFinal reportCessna 210L · Clay, ALThe pilot's failure to maintain control of the airplane while being vectored to intercept the localizer during night instrument meteorological conditions (IMC). Contributing to the accident was the operator's inadequate dispatch procedures, which did not…NTSB ERA14LA052Accident · Minor injuriesLimited investigationFinal reportBeech V35 · Trussville, ALThe failure of the No. 2 connecting rod due to oil starvation, which resulted in a total loss of engine power.NTSB ERA11FA074Accident · 1 fatalField investigationFinal reportBeech A36 · Theodore, ALThe pilot's failure to maintain aircraft control while maneuvering at night in deteriorating weather conditions due to spatial disorientation. Contributing to the accident was the pilot's failure to obtain a weather briefing.NTSB NYC08CA089Accident · No injuriesData collectionFinal reportCessna 210G · Bessemer, ALThe pilot's failure to properly secure the airplane before attempting to hand-prop the engine.NTSB MIA07LA111Accident · Serious injuriesLimited investigationFinal reportBeech A36 · Cullman, ALThe pilot’s mismanagement of an in-flight emergency, which resulted in a gear-up landing and runway overrun. Contributing to the accident was a breach to the engine crankcase above and in line with the No. 1 cylinder.NTSB ATL06FA129Accident · 3 fatalField investigationFinal reportBeech F-33A · Alabaster, ALThe pilot's failure to maintain airspeed while maneuvering toward an emergency landing area following the total loss of engine power shortly after takeoff resulting in an inadvertent stall, uncontrolled descent, and collision with the ground, and a fence. A…NTSB MIA03LA010Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Pell City, ALThe pilot's failure to maintain directional control following landing touchdown, resulting in a runway excursion and collision with a ditch off the left side of the runway.NTSB ATL01LA112Accident · No injuriesLimited investigationFinal reportCessna 210K · Bessemer, ALFailure of the landing gear-down lock mechanism, which resulted in the pilot's inability to control the airplane. A factor was the trees.NTSB MIA01LA092Accident · No injuriesLimited investigationFinal reportBellanca BL-17-30A · Sylacauga, ALThe pilot's failure to maintain directional control during landing rollout, and the subsequent runway excursion and collision with trees.NTSB ATL99LA002Accident · Minor injuriesLimited investigationFinal reportCessna 188B · Tellasse, ALThe pilot's failure to maintain clearance from a utility line while conducting a swath run.NTSB ATL98LA070Accident · No injuriesLimited investigationFinal reportBellanca BL-17-30A · Brewton, ALImproper maintenance procedures used to overhaul the engine, which led to the crankshaft failure. Contributing to the severity of the accident was the fence.NTSB ATL97LA059Accident · No injuriesLimited investigationFinal reportCessna 210D · Huntsville, ALcorrosion and subsequent failure of the elevator trim tab, which resulted in vibration and failure of the elevator. Failure of maintenance personnel to comply with a service bulletin was a related factor.NTSB MIA97LA118Accident · No injuriesLimited investigationFinal reportCessna 210M · Troy, ALThe pilot's failure to obtain the proper touchdown point during an emergency landing resulting in an overrun and subsequent nose over. A factor in the accident was a reported partial loss of engine power for undetermined reasons.NTSB MIA97LA022Accident · Minor injuriesLimited investigationFinal reportBeech V35B · Columbiana, ALthe pilot's improper use of the fuel selector, which resulted in fuel starvation, and his failure to select a tank with fuel for a restart, which resulted in a failure to restart the engine, a forced landing, and subsequent impact with terrain. High…NTSB MIA95LA204Accident · 1 fatalLimited investigationFinal reportCessna A188B · Muscle Shoals, ALFailure of the pilot to maintain adequate visual lookout to see-and-avoid electrical power lines, while approaching a field for aerial application.NTSB ATL95LA126Accident · No injuriesLimited investigationFinal reportCessna A188B · Decatur, ALThe pilot's selection of unsuitable terrain for a precautionary landing. Which resulted in the collapse of the main landing gear. The undetermined aircraft problem and rough/uneven terrain were related factors.NTSB ATL93LA118Accident · No injuriesLimited investigationFinal reportCessna 188B · Centre, ALThe failure of maintenance personnel to properly torque the crankcase through bolts.NTSB ATL93LA106Accident · Serious injuriesLimited investigationFinal reportCessna A188B · Centre, ALThe pilot's failure to maintain clearance from trees during agricultural application maneuvering. Factors were the trees in the vicinity of the planned flight path.NTSB ATL92LA173Accident · No injuriesLimited investigationFinal reportCessna A188B · Centre, ALThe pilot's inadequate compensation for existing wind conditions, which resulted in his inability to maintain a proper altitude. Factors were the turbulence and wind shear present at the time of the accident.NTSB MIA92LA165Accident · Serious injuriesLimited investigationFinal reportCessna AT188B · Prattville, ALThe pilot-in-command's improper visual lookout and failure to maintain clearance from the wires.NTSB ATL92LA059Accident · No injuriesLimited investigationFinal reportCessna 310R · Tuscaloosa, ALThe instructor's inadequate supervision and the student pilot's failure to follow instructions.NTSB ATL92LA010Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Selma, ALThe fatigue failure of the engine crankshaft counterweight blade, which resulted from excessive wear of the counterweight pin bushings, due to corrosion from an unknown source.NTSB ATL90LA173Accident · No injuriesLimited investigationFinal reportCessna A188B · Hertsboro, ALFatigue failure of the propeller blade which resulted from improper overhaul procedures, and the absence of oil in the propeller hub which would allow the detection of blade cracks.NTSB ATL88DKG01Accident · No injuriesFinal reportCessna 188 · Samson, ALThe plt said the prop surged during a swath run. While rtning to land the engine quit. The acft landed in a plowed field, resulting in substantial damage to the rt wing and lndg gear. Inspection of the engine by the plt revealed that the oil filter adapter…NTSB ATL86LA166Accident · Minor injuriesLimited investigationFinal reportCessna A188B · Magnolia Spring, ALDuring a spray run the plt attempted to climb over a tall tree, the acft failed to clear the tree which was contacted with the right wing. The acft then crash landed in a field. The acft was observed to stagger during several turns earlier in the operation.…NTSB ATL85LA236Accident · No injuriesLimited investigationFinal reportCessna A188B · Trenton, ALThe pilot stated that the eng lost power while he was maneuvering for another spray run over the field. The aircraft settled into the trees and a post-crash fire developed.NTSB ATL85LA228Accident · No injuriesLimited investigationFinal reportCessna A188B · Clanton, ALThe acft collided with a fence & a ditch during a precautionary off-arpt landing in a pasture. The plt reported that following the completion of aerial application operations, thunderstorms were blocking his return to the arpt. He had elected to land to await…NTSB ATL85LA030Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Ariton, ALAcft lost pwr and plt attempted to restart engine by switching fuel tanks. Power was not regained and forced landing was made in a field. Plt stated aux tanks were full and rt main contained 1/2 gallon of fuel. Fuel tank selected at time of power loss is…NTSB ATL84FA106Accident · 2 fatalField investigationFinal reportBeech A36 · Hamilton, ALThe acft collided with trees aprx 6 miles east of marion cty arpt and aprx 17 NM sw of the flt depat pt and also the plt's home arpt. The plt had earlier that day told the haleyville arpt mgr that he would return to haleyville the same day as dept. The acc…NTSB ATL83LA385Accident · No injuriesLimited investigationFinal reportBeech 58 · Birmingham, ALThe acft swerved off the rwy after the left tire deflated during heavy braking & the left landing gear collapsed during the swerve. The pilot stated the acft was rolling too fast after landing to make the first turn off. The pilot then applied heavy braking…NTSB ATL83LA368Accident · No injuriesLimited investigationFinal reportCessna 310J · Birmingham, ALThe acft landing gear collapsed during landing. An FAA inspector said the gear made grinding noises when extended. During a fly-by the left gear door appeared to be jammed. Reportedly the landing gear transmission assembly failed.NTSB ATL83LA257Accident · No injuriesLimited investigationFinal reportCessna A188B · Prattville, ALThe acft collided with a cow during takeoff for an aerial application flt. The collision broke off the right main landing gear and killed the cow. The pilot stated that the cow got through the fence and wandered onto the strip. The airstrip has a small rise…NTSB ATL82DA235Accident · No injuriesFinal reportBeech 58 · Birmingham, ALThe pilot stated that after a normal touchdown and a landing roll of 300-500 feet the gear retracted/collapsed. Subsequently, the entire landing gear system was ground checked and normal function of the system was found. The aircraft flaps were found in the…NTSB ATL82FA037Accident · 4 fatalField investigationFinal reportCessna 210L · Madison County, ALThe aircraft departed destin, FL at 1554 CST on a flight to tullahoma, TN. The estimated time en route was listed on the flight plan as 2.5 hrs with 4.5 hours fuel on board. During arrival at tullahoma, the pilot initiated a vor/dme-b approach, but executed a…NTSB ATL82FA011Accident · No injuriesClosedBeech 58 · Selma, ALNTSB ATL81FKJ10Accident · No injuriesClosedBeech V35TC · Eufaula, ALNTSB ATL81FKJ05Accident · Minor injuriesClosedCessna 185 · Evergreen, ALNTSB ATL81FA007Accident · 4 fatalClosedCessna T188C · Theodore, ALNTSB MIA79DKJ41Accident · No injuriesClosedBeech A36 · Harvest, AL