NTSB investigations: Cessna 170B, AK
258 cases on aircraft the registry lists as Cessna 170B. 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 | 5 |
|---|---|
| 1965 | 3 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 3 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 5 |
| 1973 | 8 |
| 1974 | 7 |
| 1975 | 8 |
| 1976 | 14 |
| 1977 | 6 |
| 1978 | 7 |
| 1979 | 8 |
| 1980 | 7 |
| 1981 | 1 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 7 |
| 1985 | 3 |
| 1986 | 4 |
| 1987 | 5 |
| 1988 | 6 |
| 1989 | 2 |
| 1990 | 5 |
| 1991 | 7 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 8 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 4 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 6 |
| 2005 | 6 |
| 2006 | 3 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 6 |
| 2010 | 4 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 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\" = '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.aircraft_model_code IN ('2072306', '2072307'))
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.aircraft_model_code IN ('2072306', '2072307'))
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 ANC26LA102Accident · No injuriesClass 4 · LimitedInvestigation openCessna 170B · Willow, AKNTSB ANC26LA045Accident · No injuriesClass 4 · LimitedInvestigation openCessna 170B · Bethel, AKNTSB ANC25LA070Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Homer, AKThe pilot’s failure to maintain directional control during landing, which resulted in a ground loop.NTSB ANC25LA059Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Denali Park, AKThe failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain.NTSB ANC24LA078Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Healy, AKThe pilot’s failure to maintain directional control during takeoff, in gusty wind conditions, resulting in a loss of control and a collision with trees.NTSB ANC24LA053Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Tok, AKThe pilot’s failure to maintain directional control of the airplane during the landing roll.NTSB WPR22LA289Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Fairbank's, AKThe student pilot's failure to maintain directional control during the takeoff roll.NTSB ANC22LA034Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Big Lake, AKThe pilot's failure to maintain adequate airspeed during final approach which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at too low of an altitude to recover.NTSB ANC21LA059Accident · No injuriesClass 3 · LimitedFinal reportCessna 170 · Rampart, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in a nose over.NTSB ANC21LA056Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 170B · North Pole, AKThe pilot’s exceedance of the airplane’s takeoff performance limitations, which prevented the airplane from gaining sufficient altitude to clear the trees off the departure end of the runway.NTSB ANC20LA099Accident · No injuriesClass 3 · LimitedFinal reportCessna 170B · Big Lake, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive to carburetor icing, which resulted in a total loss of engine power.NTSB ANC20CA094Accident · No injuriesClass 4 · Data collectionFinal reportCessna 170 · Kiana, AKThe pilot’s improper decision to perform a takeoff from an unsuitable surface, which resulted in a loss of control and nose over.NTSB ANC20CA011Accident · No injuriesClass 4 · Data collectionFinal reportCessna 170 · Fairbanks, AKThe pilot's improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion, an emergency off-airport landing, and a nose over.NTSB GAA19CA364Accident · No injuriesData collectionFinal reportCessna 170 · Hewitt Lake, AKThe pilot's failure to maintain directional control during takeoff from a soft, grass airstrip, which resulted in impact with brush.NTSB GAA19CA316Accident · No injuriesData collectionFinal reportCessna 170 · Dillingham, AKThe pilot's improper landing flare, which resulted in a long landing and subsequent loss of directional control, and his subsequent failure to attain sufficient altitude to clear trees during an attempted go-around.NTSB GAA18CA370Accident · No injuriesData collectionFinal reportCessna 170 · Anchorage, AKThe pilot’s failure to maintain directional control during landing.NTSB GAA15CA282Accident · Minor injuriesData collectionFinal reportCessna 170B · Arctic Village, AKThe pilot exceeded the critical angle of attack during takeoff, which resulted in an aerodynamic stall and a collision with terrain.NTSB ANC15LA020Accident · No injuriesLimited investigationFinal reportCessna 170B · Bettles, AKA total loss of engine power for reasons that could not be determined because postaccident engine examination and testing revealed no mechanical anomalies that would have precluded normal operation.NTSB ANC15CA016Accident · No injuriesData collectionFinal reportCessna 170B · Wasilla, AKThe flight instructor's inadequate supervision of the student while landing, which resulted in a ground loop. Contributing to the accident was the student pilots failure to maintain directional control of the tailwheel-equipped airplane during the landing…NTSB ANC15LA008Accident · No injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKThe pilot’s loss of directional control during takeoff, which resulted in a runway excursion.NTSB ANC14CA073Accident · No injuriesData collectionFinal reportCessna 170B · Palmer, AKThe pilot's excessive use of brakes during the landing roll resulting in a nose over.NTSB ANC14CA037Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe airplane's encounter with a tailwind during takeoff from a short, narrow airstrip, which resulted in a loss of lift and collision with brush and small trees.NTSB ANC14CA026Accident · No injuriesData collectionFinal reportCessna 170B · Soldotna, AKThe pilot's failure to recognize a wind shift, resulting in a tailwind landing, loss of control, and ground loop.NTSB ANC14CA014Accident · Minor injuriesData collectionFinal reportCessna 170 - B · Nome, AKThe pilot's failure to adequately remove water-contaminated fuel during the preflight inspection, which resulted in a total loss of engine power.NTSB ANC13CA101Accident · No injuriesData collectionFinal reportCessna 170B · Iliamna, AKThe pilot's inadvertent encounter with a mound while landing on a remote airstrip.NTSB ANC13FA093Accident · 1 fatalField investigationFinal reportCessna 170B · Glennallen, AKThe pilot’s failure to maintain adequate airspeed while maneuvering at a low altitude, which resulted in an aerodynamic stall/spin and impact with the ground.NTSB ANC13CA086Accident · No injuriesData collectionFinal reportCessna 170B · Anchorage, AKThe pilot's loss of control of the airplane during takeoff, resulting in a ground loop.NTSB ANC13FA024Accident · Serious injuriesField investigationFinal reportCessna 170B · Skwentna, AKThe pilot’s failure to maintain airspeed during a departure turn, resulting in an aerodynamic stall and collision with terrain.NTSB ANC12CA105Accident · No injuriesData collectionFinal reportCessna 170B · Bethel, AKThe pilot's failure to maintain directional control during takeoff, which resulted in a ground loop.NTSB ANC12CA090Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's failure to maintain directional control during landing, which resulted in a ground loop and runway excursion.NTSB ANC11CA096Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's failure to maintain control of the airplane while taking off with a gusting crosswind.NTSB ANC11CA104Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of experience/training in tailwheel-equipped airplanes.NTSB ANC11CA002Accident · No injuriesData collectionFinal reportCessna 170B · Minto Flats, AKThe pilot's selection of unsuitable terrain for takeoff, resulting in a loss of control.NTSB ANC10LA065Accident · Serious injuriesLimited investigationFinal reportCessna 170B · Palmer, AKThe pilot's decision to make a low-altitude pass over a remote airstrip toward rising terrain in weather conducive to downdrafts.NTSB ANC10CA052Accident · No injuriesData collectionFinal reportCessna 170B · Palmer, AKThe pilot's failure to maintain directional control while landing in variable wind conditions.NTSB ANC10LA026Accident · No injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKThe structural failure of the right main landing gear leg, resulting in the collapse of the landing gear.NTSB ANC09LA088Accident · Serious injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKThe pilot’s decision to make an abrupt and steep low altitude turn just after takeoff, while attempting to return to his departure airport, resulting in an aerodynamic stall and loss of aircraft control. Contributing to the accident was the pilot’s failure to…NTSB ANC09LA053Accident · No injuriesLimited investigationFinal reportCessna 170B · Anchorage, AKThe flight instructor's decision to land with a tailwind, and his failure to maintain directional control during landing, resulting in a ground-loop and nose-over.NTSB ANC09CA045Accident · No injuriesData collectionFinal reportCessna 170B · Nenana, AKThe pilot's failure to maintain control while taxiing for takeoff, and his failure to attain/maintain adequate airspeed after takeoff, resulting in an aerodynamic stall. Contributing to the accident was the pilot’s excessive taxi speed.NTSB ANC09CA039Accident · No injuriesData collectionFinal reportCessna 170B · Kenai, AKThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop. A factor contributing to the accident was the pilot's diverted attention during the landing.NTSB ANC09CA026Accident · Minor injuriesData collectionFinal reportCessna 170B · Dillingham, AKThe pilot's selection of unsuitable terrain for takeoff and his failure to attain adequate airspeed to avoid an aerodynamic stall. Contributing to the accident was the pilot's decision to take off with the airplane over its maximum allowable gross weight.NTSB ANC09CA024Accident · No injuriesData collectionFinal reportCessna 170B · Homer, AKThe pilot's failure to maintain directional control during the landing roll, resulting in a ground loop and substantial damage to the airplane. Factors contributing to the accident were a tailwind, and the pilot's decision to land downwind.NTSB ANC08FA037Accident · 1 fatalField investigationFinal reportCessna 170B · Tyonek, AKThe pilot's failure to maintain adequate airspeed to prevent a stall while maneuvering, which resulted in an uncontrolled descent and collision with terrain.NTSB ANC08CA020Accident · No injuriesData collectionFinal reportCessna 170B · Nikolai, AKThe pilot's continued flight into adverse weather (icing conditions), which resulted in a loss of engine power during a go-around. Factors contributing to the accident were icing conditions, and carburetor/induction icing.NTSB ANC06CA050Accident · No injuriesData collectionFinal reportCessna 170B · Chickaloon, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a nose over during the landing roll. A factor associated with the accident was the snow on the runway.NTSB ANC06FA048Accident · 5 fatalField investigationFinal reportCessna 170B · Chugiak, AKThe inadequate visual lookout by the pilots of both airplanes during cruise flight, which resulted in their failure to see-and-avoid each other, and a subsequent midair collision.NTSB ANC06CA040Accident · No injuriesData collectionFinal reportCessna 170B · Palmer, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the airplane nosing over during the landing roll. A factor associated with the accident was the snow covered terrain.NTSB ANC05CA114Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's inadequate compensation for the gusty wind conditions, which resulted is a loss of directional control during landing. A factor associated with the accident was the gusty wind condition.NTSB ANC05CA083Accident · No injuriesData collectionFinal reportCessna 170B · Anchorage, AKThe pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in a loss of control and an inadvertent ground-loop. A factor associated with the accident was a crosswind.NTSB ANC05LA081Accident · No injuriesLimited investigationFinal reportCessna 170B · Ninilchick, AKThe pilot's failure to maintain control of the airplane during the landing roll on a beach, which resulted in an on-ground collision with terrain. A factor associated with the accident is a tailwind.