NTSB investigations: Continental I0-470 series, AK
99 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 | 4 |
|---|---|
| 1965 | 4 |
| 1966 | 5 |
| 1967 | 5 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 2002 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2025 | 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\" = 'AK' 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" = 'AK' 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 ANC25LA077Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 210-5 · Yakutat, AKOn July 23, 2025, about 1700 Alaska daylight time, a Cessna 210-5 (205) airplane, N8457Z, was substantially damaged when it was involved in an accident on a remote beach about 50 miles southeast of Yakutat, Alaska. The pilot was uninjured. The airplane was…NTSB ANC20CA045Accident · No injuriesClass 4 · Data collectionFinal reportGrumman G44 · Anchorage, AKThe pilot's failure to extend the landing gear for a runway landing, which resulted in a gear-up landing.NTSB ANC20CA022Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Koyuk, AKThe pilot's failure to maintain directional control during a landing in flat light conditions, which resulted in a ground loop.NTSB GAA19CA327Accident · No injuriesData collectionFinal reportCessna 185 · Gulkana, AKThe pilot's loss of airplane control just before touchdown in gusting wind conditions, which resulted in ground loop after touchdown.NTSB GAA18CA488Accident · No injuriesData collectionFinal reportCessna 185 · Brooks Range, AKThe airplane's encounter with downdraft conditions during takeoff, which resulted in a subsequent loss of altitude and collision with terrain.NTSB ANC18LA019Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fatigue failure of the right main landing gear hydraulic actuator, which resulted in the pilot's inability to fully extend the landing gear and a main landing gear collapse during the landing roll.NTSB ANC18FA003Accident · 1 fatalField investigationFinal reportCessna 210 · Russian Mission, AKThe pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of control.NTSB GAA17CA474Accident · No injuriesData collectionFinal reportCessna 210 · Bettles, AKThe pilot's failure to maintain an appropriate glidepath during the approach to the runway over glassy water and in glaring sun conditions.NTSB GAA16CA503Accident · Minor injuriesData collectionFinal reportCessna 185 · Fairbanks, AKThe pilot’s failure to recognize he was taking off with a tailwind and his inadequate compensation for taking off with a tailwind, which led to the airplane’s failure to attain a climb and a subsequent forced landing.NTSB ANC16FA052Accident · Minor injuriesField investigationFinal reportCessna 210-5 · Wasilla, AKThe failure of both pilots to see and avoid each other while landing at a non-tower-controlled airport, which resulted in a midair collision. Contributing to the accident was the absence of radio calls from the Cessna during the traffic pattern preceding the…NTSB ANC15LA048Accident · No injuriesLimited investigationFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fractured left main landing gear hydraulic actuator as a result of a fatigue crack, which led to the landing gear collapsing upon touchdown.NTSB ANC14CA077Accident · No injuriesData collectionFinal reportCessna 185 · Gakona, AKThe pilot's inability to maintain directional control after the airplane's main landing gear tire deflated during takeoff.NTSB ANC13CA108Accident · No injuriesData collectionFinal reportCessna 185 · Mentasta Lake, AKThe pilots improper flare, which resulted in a hard landing.NTSB ANC13CA075Accident · No injuriesData collectionFinal reportCessna 185D · North Pole, AKThe malfunction of the right main wheel brake during taxi due to a faulty O-ring in the right brake pedal master cylinder.NTSB ANC13FA058Accident · 3 fatalField investigationFinal reportBeech 95-B55 · Cantwell, AKThe pilot’s continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.NTSB ANC13FA001Accident · 1 fatalField investigationFinal reportGrumman G-44 · Aleknagik, AKThe pilot's decision to make multiple low passes over the glassy surface water, which resulted in an impact with the surface of the lake.NTSB ANC11LA084Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Dillingham, AKA loss of directional control during landing due to a rock lodged in the main landing gear wheel brake, resulting in a runway excursion and collision with terrain.NTSB ANC11LA068Accident · No injuriesLimited investigationFinal reportCessna 185 · Kenai, AKThe loss of engine power for an undetermined reason, resulting in the ditching and sinking of the airplane in ocean waters.NTSB ANC10LA087Accident · Serious injuriesLimited investigationFinal reportCessna 185A · Paxson, AKThe pilot's decision to make a climbing turn close to the ground in gusting wind at a low airspeed, resulting in a loss of control and collision with terrain.NTSB ANC09LA100Accident · No injuriesLimited investigationFinal reportGrumman G-44A · Anchorage, AKA fatigue fracture of an unapproved hydraulic brake line fitting, which resulted in a loss of control during the landing roll. Contributing to the accident was the installation of an unapproved part by an unknown maintenance personnel.NTSB ANC07CA033Accident · No injuriesData collectionFinal reportCessna 185 · Cantwell, AKThe pilot's inadequate compensation for wind conditions during takeoff initial climb, which resulted in a descent into high vegetation, and a nose over. Factors contributing to the accident were the pilot's inadequate weather evaluation and a downdraft.NTSB ANC06LA084Accident · No injuriesLimited investigationFinal reportBeech P35 · Gustavus, AKThe fracture of an engine connecting rod during cruise flight, which resulted in a forced landing on a beach, a collapsed nose landing gear, and substantial damage to the fuselage.NTSB ANC06LA001Accident · No injuriesLimited investigationFinal reportCessna 185 · Iliamna, AKThe pilot's inadequate preflight inspection, which failed to detect water-contaminated fuel, resulting in a loss of engine power during cruise flight, and subsequent in-flight collision with terrain.NTSB ANC02LA126Accident · No injuriesLimited investigationFinal reportCessna 185 · Seward, AKA loss of directional control of the airplane due to the failure of the pilot to correct for torque/P Factor during the takeoff roll. A factor in the accident was a wet grass surface.NTSB ANC98LA138Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Dillingham, AKThe pilot's failure to maintain clearance with terrain. Contributing factors were the pilot's delayed remedial action (course reversal), low ceilings, rain, fog, and mountainous terrain.NTSB ANC98LA106Accident · No injuriesLimited investigationFinal reportCessna 185 · Kenai, AKThe pilot's failure to maintain directional control.NTSB ANC97LA144Accident · No injuriesLimited investigationFinal reportCessna 185 · Kotzebue, AKThe collapse/deflation of the right main tire when the tire slipped on the tire wheel rim which resulted in the collapse of the right main landing gear due to overload.NTSB ANC96LA040Accident · No injuriesLimited investigationFinal reportCessna 185 · Anchorage, AKthe pilot's inadequate compensation for gusty crosswind conditions. The strong, gusty crosswind was a factor.NTSB ANC95LA140Accident · No injuriesLimited investigationFinal reportCessna 185A · Teller, AKDeflation of the left main tundra tire due to valve stem damage (failure) when the tire rotated independently of the wheel rim, resulting in loss of directional control and a ground swerve.NTSB ANC95LA071Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Dillingham, AKThe pilot's failure to refuel the airplane, and his improper remedial action(s) which lead to fuel starvation.NTSB ANC94LA053Accident · No injuriesLimited investigationFinal reportBeech 35 · Gustavus, AKThe pilot-in-command's delay in selecting the main fuel tank position. The lack of suitable terrain for a forced landing was a factor.NTSB ANC93LA106Accident · No injuriesLimited investigationFinal reportCessna 185 · Victory, AKThe pilot selected unsuitable terrain for landing.NTSB ANC93LA097Accident · No injuriesLimited investigationFinal reportCessna 180 · Anchorage, AKSeparation of the right main landing gear wheel.NTSB ANC93LA086Accident · No injuriesLimited investigationFinal reportCessna 185 · Barrow, AKThe fatigue fracture of the main landing gear spring.NTSB ANC92FA141Accident · 4 fatalField investigationFinal reportCessna 185 · Whittier, AKPilot in command's intentional flight into known adverse weather conditions. Factors relating to the accident were: the pilot's disregard for adverse weather advisory, weather conditions (clouds) and mountainous terrain.NTSB ANC91LA098Accident · No injuriesLimited investigationFinal reportCessna 185A · Wood River, AKThe pilot's improper in-flight planning/decision, which resulted in fuel exhaustion due to an inadequate supply of fuel. Soft sand in the emergency landing area was a related factor.NTSB ANC91LA002Accident · No injuriesLimited investigationFinal reportCessna 185B · Koyuktolik, AKPilot-in-command's failure to properly execute a stabilized approach to the first 1/3 of the runway. Contributing to the accident was the excessive airpseed maintained during the approach and landing.NTSB ANC90LA092Accident · No injuriesLimited investigationFinal reportCessna 185-A · Anchorage, AKFailure of the right main gear torque plate causing an uncontrollable landing roll out.NTSB ANC89LA111Accident · No injuriesLimited investigationFinal reportCessna 185 · Fairbanks, AKThe pilot's inadequate compensation for wind conditions. The crosswind and gusts were contributing factors.NTSB ANC88LA141Accident · No injuriesLimited investigationFinal reportCessna 185 · Mcclaren River, AKAccording to the pilot, the landing gear struck either a depression or an object on the riverbed/runway during takeoff roll and veered left. He corrected the deviation and continued taking off. However, when the airplane reached the end of the airstrip, he…NTSB ANC88LA033Accident · No injuriesLimited investigationFinal reportCessna 310Q · Mekoryuk, AKThe pilot stated that during the touchdown the aircraft struck a snowbank on the approach end of the runway. The aircraft exited the right side of the runway approximately 500 feet from the approach end.NTSB ANC88FA021Accident · 3 fatalField investigationFinal reportCessna 185 · Fairbanks, AKThe pilot and his two passengers were returning from a hunting trip when the airplane crashed 7 miles from the Fairbanks international airport. The airplane struck the ground in a vertical attitude at a high rate of speed. Evidence at the scene suggests that…NTSB ANC88FA012Accident · No injuriesField investigationFinal reportCessna 185 · Anchorage, AKThe relatively inexperienced seaplane pilot-in-command made one go around when he experienced difficulty in identifying the surface of the glassy water. On the second landing attempt he flew the airplane into the water at a negative angle of attack. The…NTSB ANC87LA157Accident · No injuriesLimited investigationFinal reportCessna 185 · Little Delta Rv, AKThe pilot stated that approximately 1000 feet after commencing the take off the airplane climbed to just above tree top level and then began to settle into the trees. The pilot also stated he believes the airplane stalled.NTSB ANC87LA027Accident · No injuriesLimited investigationFinal reportCessna 185D · North Pole, AKThe pilot stated that during the right downwind approach to the airstrip the aircraft ran out of fuel; the engine quit and then he attempted an emergency landing. The plt attempted to land on the rwy. Inspection revealed no fuel in the acft and the fuel…NTSB ANC86LA028Accident · Serious injuriesLimited investigationFinal reportCessna 182-A · Merrill Pass, AKThe pilot stated that he could see the whiteout condition ahead. During the 180 deg turn the aircraft struck the 3000 foot level of the mountian Pass. At the time of the accident the weather was a complete IFR whiteout condition.NTSB ANC85LA095Accident · No injuriesLimited investigationFinal reportCessna 185 · Kantishna, AKThe plt was on a flt from fairbanks to Kantishna, AK; however, the rwy at Kantishna was muddy, so he elected to return to fairbanks. While returning, he elected to land at an abandoned mine strip for a comfort stop. During the landing, a hydraulic line to the…NTSB ANC85LA082Accident · No injuriesLimited investigationFinal reportCessna C-185 · Anchorage, AKThe pilot in command touched down on a dry runway in a crab angle and lost control of the airplane resulting in ground loop.NTSB ANC85LA017Accident · Minor injuriesLimited investigationFinal reportCessna 310J · Tok, AKThe acft crashed during an emerg night landing after the loss of pwr on both engines. Investigation revealed the rt eng was secured because of decreasing oil pressure & a visible oil leak. There were seven airports within reach of the acft when this eng was…NTSB ANC84LA191Accident · No injuriesLimited investigationFinal reportCessna 185 · Mt Plummer, AKThe plt stated that while landing in a crosswind, he ground looped the airplane. The acft departed the airstrip surface and rolled off the mountainside backward.