NTSB investigations: Continental IO-520 series, OK
80 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
| 1965 | 1 |
|---|---|
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 4 |
| 1975 | 2 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 6 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 2 |
| 1987 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 2 |
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2006 | 1 |
| 2007 | 3 |
| 2009 | 2 |
| 2010 | 2 |
| 2013 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 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.\"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 ('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" = '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 ('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 CEN23LA423Accident · 1 fatalClass 3 · LimitedFinal reportBeech A36 · Broken Bow, OKThe pilot’s failure to maintain the runway centerline during landing and subsequent failure to maintain clearance from the airport grounds worker during the landing roll. Contributing to the accident was the absence of a NOTAM for mowing operations at the…NTSB CEN23LA224Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Oklahoma City, OKA loss of engine power during approach for landing for undetermined reasons.NTSB CEN23LA186Accident · Serious injuriesClass 4 · LimitedFinal reportBeech F33A · Tahlequah, OKThe pilot’s failure to remove the wheel chocks before engine start which resulted in the inadvertent contact with the propeller while the engine was running.NTSB CEN23FA060Accident · 3 fatalClass 3 · FieldFinal reportBeech F33A · Yukon, OKThe pilot’s loss of airplane control for reasons that could not be determined.NTSB CEN22LA343Accident · No injuriesClass 3 · LimitedFinal reportBeech E33A · Zena, OKThe pilot’s inadequate preflight inspection and fuel planning, and improper in-flight decision making which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN22LA140Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Heavner, OKA total loss of engine power due to oil exhaustion which resulted from improper engine maintenance.NTSB CEN20CA226Accident · No injuriesClass 4 · Data collectionFinal reportBellanca 17 30 · Talihina, OKThe pilot's failure to maintain control of the airplane during a crosswind landing, which resulted in a hard landing and runway excursion.NTSB ERA18FA114Accident · 2 fatalField investigationFinal reportBeech V35 · Hydro, OKThe pilot's decision to continue the night visual flight rules flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation. Contributing was the pilot's lack of instrument/night currency, and his failure…NTSB CEN18FA023Accident · 2 fatalField investigationFinal reportBeech V35B · Alva, OKThe flight instructor's and pilot's failure to recognize that a high descent rate had developed on short final, likely due to their distraction by an open engine cowling, and the unexpected strong pitch-down force during flap extension due to the installation…NTSB CEN17LA357Accident · Minor injuriesLimited investigationFinal reportBeech A36 · McAlester, OKA total loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN17LA286Accident · Minor injuriesLimited investigationFinal reportBeech V35 · Walters, OKMaintenance personnel’s installation of an improper vacuum pump gasket, which resulted in oil starvation to the engine and a subsequent total loss of engine power.NTSB CEN17LA242Accident · No injuriesLimited investigationFinal reportBellanca 17 30 · Grove, OKAn unporting of fuel in the right wing while maneuvering in the airport traffic pattern, which resulted in a partial loss of engine power due to fuel starvation.NTSB CEN17FA138Accident · 1 fatalField investigationFinal reportBeech V35 · Union City, OKThe pilot's improper recovery from a spin.NTSB CEN16LA217Accident · Minor injuriesLimited investigationFinal reportBellanca 17 30 · Westport, OKA total loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.NTSB CEN16LA090Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Overbrook, OKThe pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion, and his subsequent decision to circle to the north end of the airport due to a light tailwind condition instead of making a downwind landing.NTSB CEN16LA082Accident · No injuriesLimited investigationFinal reportBeech V35B · Tahlequah, OKA partial loss of engine power shortly after takeoff due to an inadequately tightened fuel line. Also causal was the pilot's failure to extend the landing gear once the airplane was in a position to safely land on the runway.NTSB CEN14CA092Accident · Minor injuriesData collectionFinal reportCessna 210E · Guymon, OKThe pilot's failure to maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall and collision with terrain.NTSB CEN13LA132Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Antlers, OKThe pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN11LA101Accident · Serious injuriesLimited investigationFinal reportBeech 95-C55 · Claremore, OKA loss of engine power on both engines for undetermined reasons.NTSB CEN10LA159Accident · Minor injuriesLimited investigationFinal reportCessna TU206 · Ninnekah, OKA loss of engine power due to fuel exhaustion, resulting from the pilot’s inadequate preflight inspection.NTSB CEN10FA071Accident · 1 fatalField investigationFinal reportCessna 310R · Alva, OKThe pilot's impairment due to medication use, a migraine headache, or both, and his decision to continue the approach below minimums without the proper visual references, resulting in the subsequent collision with terrain. Contributing to the accident was the…NTSB CEN09FA462Accident · 1 fatalField investigationFinal reportBeech V35 · Oklahoma City, OKThe pilot’s decision to operate an airplane with known deficiencies, and the loss of engine power during climb for undetermined reasons.NTSB DFW08CA047Accident · No injuriesData collectionFinal reportCessna 210 · Medford, OKThe pilot's decision to attempt a night landing without runway lighting. A contributing factor was inoperative runway lights.NTSB DFW08FA015Accident · 5 fatalField investigationFinal reportBeech A36 · Glenpool, OKThe pilot's failure to maintain control of the airplane after departure, which resulted in a collision with power lines. A factor was the high winds.NTSB DFW07LA108Accident · Serious injuriesLimited investigationFinal reportCessna A188A · Clinton, OKSeparation of the exhaust stack and resulting vapor lock. A contributing factor was the none suitable terrain for the forced landing.NTSB DFW07FA039Accident · 3 fatalField investigationFinal reportBellanca 17-30A · Jay, OKThe loss of engine power for undetermined reasons and the pilot's improper decision to extend the landing gear for the water landing. Contributing factors were the prevailing night conditions and the lack of suitable terrain for the forced landing.NTSB SEA04FA165Accident · 3 fatalField investigationFinal reportCessna T210L · Tulsa, OKThe pilot's inadequate preflight inspection by his failure to secure the oil cap, which resulted in oil leakage on the windscreen, obstructing his vision, and his failure to maintain adequate airspeed.NTSB FTW04LA162Accident · Minor injuriesLimited investigationFinal reportCessna 188B · Rush Springs, OKThe pilot's failure to maintain clearance with a utility pole and power lines while maneuvering during an aerial application.NTSB FTW03LA151Accident · No injuriesLimited investigationFinal reportCessna A188B · Kinta, OKThe loss of engine power due to fuel exhaustion. Contributing factors were the pilot's failure to supervise the refueling of the aircraft and failure to use his before takeoff checklist.NTSB FTW01LA080Accident · No injuriesLimited investigationFinal reportCessna 210D · Lawton, OKthe pilot's failure to maintain aircraft control during the landing flare/touchdown. A contributing factor was the crosswind.NTSB FTW00LA028Accident · No injuriesLimited investigationFinal reportCessna 210K · Ponca City, OKInadequate quality control by the manufacturer of the throttle control cable, which resulted in failure of the cable due to fatigue. A factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA253Accident · No injuriesLimited investigationFinal reportCessna A188B · Randalette, OKThe failure of the pilot to maintain clearance with the telephone pole. A factor was the sunglare.NTSB FTW97LA211Accident · Minor injuriesLimited investigationFinal reportBeech 58 · Oklahoma City, OKThe pilot's impairment of judgment and performance due to alcohol which led to an attempted takeoff in an airplane without an elevator installed.NTSB FTW96LA094Accident · No injuriesLimited investigationFinal reportCessna A188B · Enid, OKThe pilot's failure to maintain sufficient airspeed during the forced landing and to jettison the aircraft's load for a forced landing. A factor was the engine's failure due to a disconnected fuel line which was the result of improper maintenance.NTSB FTW96LA034Accident · No injuriesLimited investigationFinal reportCessna T210F · Tulsa, OKthe pilot's failure to secure a cellular telephone which jammed the rudder pedals.NTSB FTW95LA200Accident · No injuriesLimited investigationFinal reportBeech D55 · Norman, OKThe pilot's inadvertent retraction of the landing gear, resulting in a gear up landing.NTSB FTW92FA232Accident · 1 fatalField investigationFinal reportCessna 310R · Idabel, OKThe pilot's descent below the minimum descent altitude. Factors were the pilot's improper IFR procedure, low ceiling, and dark night conditions.NTSB FTW92LA122Accident · No injuriesLimited investigationFinal reportCessna A188B · Washita, OKThe failure of the main landing gear during the forced landing due to corrosion and fatigue. A factor was the power loss due to a fractured crankshaft.NTSB FTW91LA062Accident · No injuriesLimited investigationFinal reportCessna A188B · Tipton, OKFailure of the pilot to maintain poroper clearance above obstacles. A factor was the sun glare.NTSB FTW87LA189Accident · Minor injuriesLimited investigationFinal reportBeech V35B · El Reno, OKAcft bounced on touchdown and began porpoising down the runway. According to the plt, following the second bounce, the rt front seat passenger applied full throttle and the acft veered left into a fence. After striking the fence the nose gear collapsed when…NTSB FTW85LA322Accident · Minor injuriesLimited investigationFinal reportCessna A188B · Cushing, OKThe plt was test flying the acft after a major eng overhaul.a left turn was made away from the arpt after takeoff and immediately thereafter the eng lost pwr. With no suitable landing area within gliding distance, the acft was manuevered straight ahead where…NTSB FTW85LA199Accident · No injuriesLimited investigationFinal reportBeech A-36 · Afton, OKThe acft was ditched in 60 to 80 ft deep water following a loss of pwr shortly after takeoff. The plt was picked up by a bass boat shortly before the acft sank. The acft was recovered more than a month later and an examination of the eng was not performed.NTSB FTW84LA385Accident · No injuriesLimited investigationFinal reportCessna A188B · Maysville, OKWith aprx 300 ft of rwy remaining the plt rotated. The acft flew to about 15 ft before it settled back to the ground at the end of the sod strip. After rolling through 2 fences the acft collided with a dirt bank next to a ditch collapsing the main gear. The…NTSB FTW84LA051Accident · Serious injuriesLimited investigationFinal reportBellanca 17-30 · Moore, OKThe acft crashed during a forced landing after the engine quit. The acft had a prior forced landing and the fuel pump was suspect. Post accident investigation showed that only one safety pin was installed in the fuel selector shaft allowing excessive free…NTSB FTW83FA310Accident · 2 fatalField investigationFinal reportBeech A36 · Enid, OKPrior to takeoff the plt was advised the winds were from 180 deg at 20 KTS gusting to 27 KTS. During takeoff from rwy 17THE plt advised the tower that he was 'bringing it around to land on 30.' When asked if he was experiencing any difficulties the plt…NTSB FTW82DPJ07Accident · No injuriesClosedCessna 401 · Oklahoma City, OKNTSB FTW81DPJ39Accident · No injuriesClosedCessna 188B · Anioch, OKNTSB FTW81DPJ41Accident · No injuriesClosedBeech A36 · Stillwater, OKNTSB FTW81DPM15Accident · Serious injuriesClosedCessna A188B · Mcalester, OKNTSB FTW81DPJ15Accident · No injuriesClosedCessna 188 · Seiling, OK