NTSB investigations: Continental I0-470 series, CO
90 cases on aircraft whose registry engine model is Continental I0-470 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 | 3 |
|---|---|
| 1965 | 2 |
| 1966 | 6 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 4 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 4 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 1 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
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\" = 'CO' 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 ('17027'))
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" = 'CO' 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 ('17027'))
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 ANC26LA060Accident · No injuriesClass 4 · LimitedInvestigation openBeech E33 · Steamboat Springs, CONTSB CEN25FA178Accident · 2 fatalClass 3 · FieldPreliminary reportBeech 95-B55 (T42A) · Broomfield, COOn May 17, 2025, about 1003 mountain daylight time, a Beechcraft 95-B55, was destroyed when it was involved in an accident near Broomfield, Colorado. The pilot and pilot-rated passenger sustained fatal injuries. The flight was being operated as a Title 14…NTSB CEN25FA040Accident · 1 fatalClass 3 · FieldPreliminary reportBeech 35-B33 · Nunn, COOn November 15, 2024, about 1000 mountain standard time (MST), a Beech 35-B33, N285BW, was destroyed when it was involved in an accident near Nunn, Colorado. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB CEN24LA018Accident · No injuriesClass 3 · LimitedFinal reportCessna 210B · Pueblo, COThe fatigue failure of the right main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position.NTSB CEN23LA407Accident · No injuriesClass 3 · LimitedFinal reportBeech 95-B55 (T42A) · Greeley, COThe pilot’s failure to extend the landing gear. Contributing to the accident was a malfunction of the landing gear warning horn for undetermined reasons.NTSB CEN23LA049Accident · No injuriesClass 3 · LimitedFinal reportCessna 182A · Durango, COA complete loss of engine power for reasons that could not be determined from the available evidence.NTSB CEN21LA325Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35-C33 · Longmont, COThe airplane’s lack of climb performance after takeoff in high density altitude conditions for reasons that could not be determined based on the available evidence.NTSB CEN21LA289Accident · No injuriesClass 4 · LimitedFinal reportBeech H35 · Watkins, COThe pilot’s failure to maintain directional control during the landing roll, which resulted in a runway excursion and a subsequent impact with an obstacle.NTSB CEN21LA001Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 210 · Cedaredge, COA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN18LA076Accident · Serious injuriesLimited investigationFinal reportBeech K35 · Longmont, COA total loss of engine power for reasons that could not be determined because a postaccident examination of the airplane revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN17LA340Accident · No injuriesLimited investigationFinal reportCessna 310G · Broomfield, COA collapse of the right main landing gear due to a bent pushrod, which precluded the gear from fully extending. The reason for the bent pushrod could not be determined based on the available information.NTSB CEN17LA162Accident · No injuriesLimited investigationFinal reportCessna 210 · Salida, COThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN15FA400Accident · 4 fatalField investigationFinal reportCessna 310H · Silverton, COThe noninstrument-rated pilot's improper judgment and his failure to maintain situational awareness, which resulted in the flight's encounter with instrument meteorological conditions and controlled flight into terrain during cruise flight.NTSB CEN14FA141Accident · 3 fatalField investigationFinal reportBeech 35/33 · Telluride, COThe airplane’s failure to obtain a positive climb rate, which resulted in controlled flight into terrain. Contributing to the accident was the pilot’s inadequate preflight planning.NTSB CEN14CA125Accident · No injuriesData collectionFinal reportCessna 310I · Aurora, COLoss of engine power due to fuel exhaustion and the pilot's inadequate preflight inspection.NTSB CEN12LA675Accident · No injuriesLimited investigationFinal reportBeech E33 · Greeley, COThe loss of engine power for reasons that could not be determined during postaccident examinations and testing.NTSB CEN12LA252Accident · Minor injuriesLimited investigationFinal reportBeech P35 · Englewood, COThe pilot’s failure to abort the takeoff after the airplane failed to gain adequate airspeed.NTSB CEN11FA130Accident · 1 fatalField investigationFinal reportCessna 210B · Loveland, COThe pilot's intentional flight into terrain.NTSB CEN10FA493Accident · 2 fatalField investigationFinal reportCessna 310C · Calhan, COThe pilots'failure to maintain control of the airplane which resulted in an inadvertent stall and spin.NTSB CEN10LA032Accident · Minor injuriesLimited investigationFinal reportCessna 210 · Walsh, COA partial loss of engine power due to failure of the No. 2 cylinder as a result of the failure of the repair facility to properly torque the lower four nuts on the cylinder.NTSB DEN08LA153Accident · No injuriesLimited investigationFinal reportCessna 210 · Pagosa Springs, COThe failure of the landing gear to extend for undetermined reasons.NTSB DFW08FA153Accident · 2 fatalField investigationFinal reportCessna 310Q · Steamboat, COThe pilot's failure to maintain clearance from mountainous terrain in day visual conditions. Contributing to the accident was the pilot's impairment due to marijuana and inadequate medical oversight of the pilot by the Federal Aviation Administration.NTSB DEN08LA014Accident · No injuriesLimited investigationFinal reportCessna 210 · Canon City, COThe failure of the engine throttle cable resulting in a lack of engine power when commanded.NTSB DEN06FA132Accident · 4 fatalField investigationFinal reportBeech 35-C33 · Telluride, COThe pilot's inadvertent flight into mountain wave turbulence resulting in the airplane's loss of control and subsequent impact into mountainous terrain. Factors contributing to the accident were the mountain wave turbulence and high winds.NTSB DEN05LA117Accident · 1 fatalLimited investigationFinal reportBellanca 14-19-3 · Grand Junction, COA loss of engine power due to fuel starvation as a result of the improper fuel selector position. Factors contributing to the accident were the inadvertent stall, the ravine, and the steep drop off embankment.NTSB DEN04LA113Accident · No injuriesLimited investigationFinal reportBellanca 14-19-3A · Estes Park, COthe loss of engine power for undetermined reasons resulting in a forced landing. Factors contributing to the accident were the unsuitable terrain for landing and the mailbox posts.NTSB DEN02LA068Accident · No injuriesLimited investigationFinal reportBeech K35 · Montrose, COThe pilot's failure to follow published aircraft operating procedures, which resulted in a loss of engine power due to fuel starvation. A contributing factor was the lack of suitable terrain for a forced landing.NTSB DEN02FA050Accident · 1 fatalField investigationFinal reportBeech M35 · Briggsdale, COcontrolled descent into terrain for reasons undetermined.NTSB DEN01LA124Accident · No injuriesLimited investigationFinal reportBeech 95-B55 (T42A) · Englewood, COthe pilot receiving instruction inadvertently retracting the landing gear during the landing roll. A contributing factor was the flight instructor's inadequate supervision of the pilot receiving instruction.NTSB DEN01LA022Accident · No injuriesLimited investigationFinal reportCessna 210C · Boulder, COTotal loss of engine power due to fuel contamination (water), and failure of the pilot to have the airplane completely refueled. A factor was unsuitable terrain on which to make a forced landing.NTSB DEN00LA116Accident · No injuriesLimited investigationFinal reportCessna 310C · Erie, COA sudden and unexpected encounter with a downdraft while on final approach. A factor was the transmission wire.NTSB DEN00LA029Accident · No injuriesLimited investigationFinal reportBeech N-35 · Englewood, COA forced landing on unsuitable terrain due a complete loss of power. A factor was the pilot inadvertently placing the fuel selector to the off position while executing the approach for landing checklist.NTSB DEN99LA045Accident · No injuriesLimited investigationFinal reportCessna 185 · Durango, COThe pilot's failure to maintain directional control and inadvertently allowing the airplane to ground loop. Factors were gusty crosswind conditions, pertinent crosswind information not made available by the manufacturer, and FAA's inadequate certification and…NTSB DEN99LA043Accident · No injuriesLimited investigationFinal reportBeech 35-C33 · Leadville, COThe pilot's in-flight decision to turn into rising terrain, and his decision to fly into and out of the airport in a heavy weight condition after the local flight instructor/FAA accident prevention counselor recommended that he should not. Factors were the…NTSB FTW97LA239Accident · No injuriesLimited investigationFinal reportCessna 210 · Peyton, COFailure of both pilots to assure the landing gear was down and locked.NTSB FTW97LA071Accident · No injuriesLimited investigationFinal reportCessna 210A · Peyton, COthe pilot's improper fuel management by failing to avoid a prolong uncoordinated turn or slip, which resulted in fuel starvation. Factors relating to the accident were: darkness, and the lack of (activated) runway lights.NTSB FTW96LA334Accident · No injuriesLimited investigationFinal reportCessna 210 · Pueblo, COimproper routing of the nose landing gear hydraulic line by unknown maintenance personnel, allowing it to chafe on the nose wheel and develop a leak, which resulted in an inability to obtain a down-and-locked condition of the landing gear.NTSB FTW96LA051Accident · Minor injuriesLimited investigationFinal reportCessna 310J · Englewood, COfailure of the pilot to feather the propeller on the inoperative engine in accordance with the emergency procedure. Factors relating to the accident were: loss of power in the left engine for undetermined reason(s), and rough/uneven terrain in the emergency…NTSB FTW96LA047Accident · No injuriesLimited investigationFinal reportCessna 210B · Loveland, COFailure of the pilot to extend the landing gear.NTSB FTW95LA340Accident · No injuriesLimited investigationFinal reportBeech J35 · Englewood, COInadvertent activation of the fuel boost pump by either the pilot (who was being instructed) or by the flight instructor (CFI). Factors relating to the accident were: the briefing of improper leaning procedures by the CFI, location of the boost pump switch…NTSB FTW94FA104Accident · 1 fatalField investigationFinal reportBeech 95-B55B · Battlement Mesa, COImpaired judgement and performance of the pilot by flying while under the influence of alcohol that resulted in his failure to maintain clearance (or altitude) from terrain, while flying at night.NTSB FTW94LA029Accident · No injuriesLimited investigationFinal reportCessna 210 · Monte Vista, COFailure by the pilot in command to follow procedures and directives to lower the landing gear prior to landing.NTSB DEN93FA066Accident · Minor injuriesField investigationFinal reportCessna 310J · Broomfield, COFriction of escaping oxygen under high pressure igniting a lubricant in the nosewheel well area, and improper aircraft servicing by maintenance personnel.NTSB DEN93LA023Accident · No injuriesLimited investigationFinal reportCessna 310L · Greeley, COPoor in flight planning and decision making by the flight instructor in allowing the student to progress to a point where a safe flight regimen could not be maintained. A factor was: the dual students failure to maintain control of the aircraft.NTSB DEN93LA010Accident · No injuriesLimited investigationFinal reportCessna 310Q · Englewood, COUndetermined.NTSB DEN92LA058Accident · No injuriesLimited investigationFinal reportCessna 185 · Durango, COImproper use of brakes. Factors were: poorly planned approach and excessive landing speed.NTSB DEN92IA046Incident · No injuriesIncident investigationFinal reportCessna 310-L · Hugo, COFailure of the left voltage regulator. Factors were: failure of the pilot/mechanic to properly maintain the aircraft, and failure of the right alternator circuit breaker.NTSB DEN92LA039Accident · No injuriesLimited investigationFinal reportBeech 55 · Longmont, COThe student pilot's failure to maintain directional control and the flight instructor's inadequate supervision.NTSB DEN91LA041Accident · Minor injuriesLimited investigationFinal reportBeech P-35 · Durango, COEngine failure due to oil starvation caused by turbocharger oil feed line failure and subsequent loss of lubricating oil to the engine.NTSB DEN91IA019Incident · No injuriesIncident investigationFinal reportBeech J-35 · Brighton, COThe failure of the engine fuel feed line resulting in a complete loss of power. Contributing to the incident was improper installation of the fuel feed transducer.