NTSB investigations: Continental IO-520 series, 1994
56 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
| 1964 | 7 |
|---|---|
| 1965 | 38 |
| 1966 | 65 |
| 1967 | 101 |
| 1968 | 81 |
| 1969 | 68 |
| 1970 | 75 |
| 1971 | 74 |
| 1972 | 87 |
| 1973 | 88 |
| 1974 | 117 |
| 1975 | 120 |
| 1976 | 140 |
| 1977 | 149 |
| 1978 | 168 |
| 1979 | 149 |
| 1980 | 162 |
| 1981 | 140 |
| 1982 | 118 |
| 1983 | 106 |
| 1984 | 101 |
| 1985 | 77 |
| 1986 | 72 |
| 1987 | 73 |
| 1988 | 80 |
| 1989 | 71 |
| 1990 | 59 |
| 1991 | 64 |
| 1992 | 86 |
| 1993 | 70 |
| 1994 | 56 |
| 1995 | 81 |
| 1996 | 73 |
| 1997 | 75 |
| 1998 | 74 |
| 1999 | 69 |
| 2000 | 63 |
| 2001 | 76 |
| 2002 | 77 |
| 2003 | 73 |
| 2004 | 70 |
| 2005 | 95 |
| 2006 | 62 |
| 2007 | 70 |
| 2008 | 61 |
| 2009 | 55 |
| 2010 | 50 |
| 2011 | 72 |
| 2012 | 56 |
| 2013 | 59 |
| 2014 | 45 |
| 2015 | 50 |
| 2016 | 47 |
| 2017 | 56 |
| 2018 | 59 |
| 2019 | 46 |
| 2020 | 39 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 41 |
| 2024 | 45 |
| 2025 | 34 |
| 2026 | 40 |
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 year(c.\"eventDate\") = 1994
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 year(c."eventDate") = 1994
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 LAX95LA066Accident · No injuriesLimited investigationFinal reportCessna 207 · Fort Huachuca, AZThe failure of the radar and tower controllers to ensure that the pilot was aware of the runway status. Factors related to the accident were the downwind no-flap landing and the sunglare.NTSB FTW95LA073Accident · Minor injuriesLimited investigationFinal reportCessna A185F · Erie, COThe pilot's failure to maintain airspeed resulting in the inadvertent stall.NTSB ANC95LA020Accident · No injuriesLimited investigationFinal reportCessna 207 · Saint Mary'S, AKThe pilot's decision to continue visual flight into instrument meteorological conditions. Factors associated with the accident are the pilot's failure to maintain adequate altitude/clearance from terrain, and the whiteout weather conditions.NTSB ANC95LA015Accident · Serious injuriesLimited investigationFinal reportCessna 206 · Angoon, AKThe pilot's continued flight into adverse weather. A factor related to the accident was the snow conditions.NTSB ANC95FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 206 · Kenai, AKUndetermined.NTSB ANC95LA011Accident · No injuriesLimited investigationFinal reportCessna 185F · Anchorage, AKThe pilot's selection of unsuitable terrain for landing. The pilot's disregard of a NOTAM that closed the runway and a slush covered runway area were factors in the accident.NTSB CHI95LA056Accident · No injuriesLimited investigationFinal reportCessna 206G · Butler, MOthe pilot's inadequate visual lookout. A factor associated with the accident was the dark night lighting conditions.NTSB MIA95LA012Accident · No injuriesLimited investigationFinal reportCessna 210L · Jacksonville, FLThe pilot's decision to depart an airport and continue flight with a known deficiencies in equipment. Contributing to the accident was the failure of company maintenance personnel to adjust the down lock mechanism prior to flight.NTSB NYC95IA020Incident · No injuriesIncident investigationFinal reportCessna 310R · Rochester, NYInadequate maintenance which resulted in undertorqued bolts, fatigue cracking of the hub, and the separation of the propeller assembly from the engine.NTSB FTW95LA015Accident · No injuriesLimited investigationFinal reportCessna 185 · Abbeville, LAThe pilot's failure to compensate for wind conditions. A factor was the crosswind.NTSB ATL95LA001Accident · No injuriesLimited investigationFinal reportBeech V35B · Siler City, NCThe pilot's failure to maintain directional control during landing roll.NTSB SEA94LA242Accident · Minor injuriesLimited investigationFinal reportCessna P206D · Lopez, WAA worn throttle control lever.NTSB CHI94LA333Accident · Serious injuriesLimited investigationFinal reportCessna 210 · Elkhart, INthe pilot's improper use of the fuel selector position which resulted in fuel starvation.NTSB BFO94FA160Accident · 1 fatalField investigationFinal reportBeech A36 · Barstow, MDThe pilot's failure to maintain clearance from the tower.NTSB LAX94LA365Accident · No injuriesLimited investigationFinal reportCessna 210L · Payson, AZAnimals on the runway.NTSB SEA94LA234Accident · No injuriesLimited investigationFinal reportCessna A185F · Conrad, MTThe cfi's failure to assure an adequate inspection of the aircraft, including the proper engagement and function of the rudder pedals, prior to the flight.NTSB CHI94LA314Accident · No injuriesLimited investigationFinal reportCessna 188B · Oakdale, ILmisalignment of the number one connecting rod during major overhaul. Factors were the subsequent scoring and fatigue failure of the crankshaft.NTSB SEA94LA232Accident · No injuriesLimited investigationFinal reportCessna 210D · Paris, IDAn inadvertent wheels up landing.NTSB MIA94LA203Accident · Minor injuriesLimited investigationFinal reportCessna 188 · Egypt, MSPilot-in-command's inadvertent stall during an agricultural turn resulting in the loss of control and subsequent in flight collision with terrain.NTSB FTW94FA282Accident · Minor injuriesField investigationFinal reportCessna 402 · Harlingen, TXThe pilot's failure to maintain airspeed resulting in an inadvertent stall. Factors were a partial loss of power on all engines due to worn and fouled spark plugs and inadequate maintenance by company maintenance personnel, aircraft weight beyond limitations,…NTSB ATL94LA161Accident · No injuriesLimited investigationFinal reportCessna 207 · Nags Head, NCThe failure of the mixture control cable which resulted in a loss of engine power.NTSB CHI94LA291Accident · Minor injuriesLimited investigationFinal reportCessna 188 · Sublette, KSimproper preflight planning by the pilot. Factors associated with the accident were the delayed jettisoning of the airplane's hopper load and the inability of the airplane to climb.NTSB ANC94LA102Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Bethel, AKThe pilot misjudged the strength of the tailwind and did not perform a go-around in a timely fashion so as to avoid landing the airplane halfway down the strip. Factors in the accident were the wet landing strip and the tailwind.NTSB FTW94LA264Accident · No injuriesLimited investigationFinal reportCessna A188B · Sherman, TXThe pilot's failure to refuel the airplane. A factor was the leaking fuel caps.NTSB ANC94LA099Accident · No injuriesLimited investigationFinal reportCessna 206 · King Salmon, AKThe pilot's failure to use the available longer portion of the lake for the takeoff run.NTSB ANC94LA097Accident · No injuriesLimited investigationFinal reportCessna 206 · Mosquito Flats, AKThe missing number 6 cylinder piston pin cap and the subsequent failure of the number 6 cylinder connecting rod cap. Also, the lack of suitable landing area for the forced landing.NTSB CHI94LA254Accident · Serious injuriesLimited investigationFinal reportBeech 33 · Wichita, KSthe pilot's inadequate management of the fuel which resulted in fuel starvation.NTSB CHI94LA252Accident · Minor injuriesLimited investigationFinal reportCessna 210L · Flushing, MIthe pilot's improper touchdown position on the runway. A factor associated with the accident is the moving vehicle on the adjacent road.NTSB MIA94LA187Accident · No injuriesLimited investigationFinal reportCessna 210-M · Orlando, FLThe improper installation of a nose gear actuator hydraulic line by an unknown person that bent it at installation. Contributing to the accident was the failure of the line allowing all hydraulic fluid to vent overboard disabling the normal and emergency gear…NTSB CHI94LA249Accident · Serious injuriesLimited investigationFinal reportBellanca 17-30 · Waterford, MIundetermined.NTSB ANC94LA092Accident · No injuriesLimited investigationFinal reportCessna A185F · Anchorage, AKThe pilot misjudged the landing flare. A factor in the accident was the glassy water.NTSB ANC94LA088Accident · No injuriesLimited investigationFinal reportCessna 206 · Anchorage, AKThe failure of the throttle control lever arm as a result of the improper 100 hour inspection by company maintenance personnel.NTSB ANC94LA083Accident · No injuriesLimited investigationFinal reportCessna 206 · Noatak, AKThe pilot's selection of unsuitable landing area. A factor was a 'cut bank' in the landing area.NTSB CHI94FA222Accident · 4 fatalField investigationFinal reportBeech A36 · Wichita, KSthe pilot's attempt to take off into known adverse weather and the subsequent stall. Factors were the thunderstorm, the tailwind, and the excessive airplane gross weight and aft center of gravity.NTSB LAX94LA283Accident · Minor injuriesLimited investigationFinal reportMeyers ME 200 · Chico, CAA separation of the exhaust pipe from the cabin heat control valve and the lack of insulation on electrical wiring between the ammeter and the avionics bus.NTSB ANC94IA075Incident · No injuriesIncident investigationFinal reportBoeing 737-400 · Juneau, AKThe failure of the local controller to exercise his responsibility to have each aircraft adjust its flightpath to remain clear of the other, and the failure of the pilot of the Cessna 185 to maintain adequate visual separation from the Boeing 737.NTSB BFO94LA117Accident · No injuriesLimited investigationFinal reportBeech F33A · Quarryville, PAThe pilot's failure to touchdown at the proper point and his delayed remedial action. A factor related to the accident was a tailwind.NTSB ANC94LA067Accident · No injuriesLimited investigationFinal reportCessna 185 · Kassan Bay, AKThe pilot's inadequate compensation for the wind. Factors were the rough water and the gusty wind condition.NTSB ANC94LA059Accident · No injuriesLimited investigationFinal reportCessna 185F · Fairbanks, AKThe pilot's failure to maintain directional control during takeoff.NTSB CHI94FA157Accident · 4 fatalField investigationFinal reportBellanca 17-30A · Camdenton, MOThe pilot's failure to maintain control of the aircraft. A factor was his lack of experience flying in actual instrument flight conditions.NTSB BFO94T#001Accident · No injuriesClass 3Final reportCessna 210 · Augusta, MENTSB ANC94LA048Accident · No injuriesLimited investigationFinal reportCessna A185F · Paxson, AKThe pilot-in-command did not maintain proper clearance from the snow berm. A factor in the accident was the snow berm.NTSB SEA94LA095Accident · Minor injuriesLimited investigationFinal reportBeech V35B · Spangle, WAThe pilot not maintaining clearance from the fence. A factor in the accident was the dusk light conditions.NTSB SEA94LA093Accident · No injuriesLimited investigationFinal reportCessna 210D · Cobalt, IDThe pilot selected unsuitable terrain for landing. Factors in the accident were: the wet runway and rising terrain that precluded a go-around.NTSB MIA94LA102Accident · Minor injuriesLimited investigationFinal reportCessna U206G · Key West, FLThe failure of the pilot-in-command to ensure the aircraft was at an adequate altitude above the water before initiating a turn which resulted in the right float contacting the water during the turn and the aircraft cartwheeling.NTSB SEA94LA089Accident · No injuriesLimited investigationFinal reportBeech 95-C55 · Gillette, WYProcedures/directives were not followed and partial failure of the landing gear selector switch. A factor to the accident was an inoperative gear warning system.NTSB LAX94FA171Accident · 2 fatalField investigationFinal reportCessna 206 · Show Low, AZthe pilot's intentional VFR flight into known adverse IMC weather conditions. Inadequate preflight planning, dark night operations, and weather conditions that included low ceilings and mountain obscuration were factors in the accident.NTSB ANC94LA034Accident · No injuriesLimited investigationFinal reportCessna 206 · New Koliganek, AKThe pilot's failure to maintain control of the airplane. Factors in the accident were the strong crosswinds and the icy/snow covered taxi surface.NTSB LAX94LA120Accident · No injuriesLimited investigationFinal reportCessna A185F · Valley Springs, CAthe pilot's failure to ensure that the landing gear was in the correct configuration for a water landing.NTSB ANC94LA031Accident · No injuriesLimited investigationFinal reportCessna 207 · Kwigillingok, AKThe pilot-in-command's failure to maintain the proper airspeed which resulted in an inadvertent stall and his failure to initiate a go-around when the runway environment was not clearly defined. A factor in the accident was the fog.