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NTSB investigations: Cessna 170A, AK

64 cases on aircraft the registry lists as Cessna 170A. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19652026

NTSB investigations: Cessna 170A, AK per year, 1965–2026: 64 cases
1965	1
1966	2
1968	3
1969	1
1970	2
1971	2
1972	1
1973	3
1974	3
1975	3
1976	1
1977	4
1978	7
1979	3
1981	2
1982	1
1986	2
1987	3
1990	2
1991	1
1992	1
1993	1
1994	1
1995	1
1997	2
1998	1
2001	1
2003	2
2004	1
2009	1
2011	2
2016	1
2021	1
2024	1

Where

Latest cases

Query with SQL

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 ('2072304')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('2072304'))
  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 ('2072304'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 ANC24LA042Accident · No injuriesClass 3 · LimitedFinal reportCessna 170A · Willow, AKThe pilot’s failure to maintain directional control during landing roll, resulting in a ground loop and substantial damage to the airplane.Jun 1, 2024 · N5789C · Substantial damage NTSB ANC21LA029Accident · No injuriesClass 4 · LimitedFinal reportCessna 170A · Lime Village, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in a landing gear collapse.Apr 7, 2021 · N1291D · Substantial damage NTSB GAA16CA324Accident · No injuriesData collectionFinal reportCessna 170 · Palmer, AKThe pilot's failure to maintain a wings-level attitude during takeoff in gusty wind conditions, which resulted in the right wing striking the ground, a loss of lateral bank control, and a nose over during the subsequent landing.Jun 17, 2016 · N1311D · Substantial damage NTSB ANC11CA095Accident · No injuriesData collectionFinal reportCessna 170A · Anchorage, AKThe fracture of a hydraulic brake line fitting due to incorrect installation of the brake line by the pilot/owner, which resulted in a loss of brake pressure and subsequent loss of directional control during the landing roll.Sep 5, 2011 · N5406C · Substantial damage NTSB ANC11LA039Accident · No injuriesLimited investigationFinal reportCessna 170A · Wasilla, AKThe pilot's loss of directional control during landing, which resulted in a runway excursion. Contributing to the accident were the effects of multiple modifications to the main and tailwheel landing gear through the supplemental type certificate and FAA…May 28, 2011 · N1742D · Substantial damage NTSB ANC09CA059Accident · No injuriesData collectionFinal reportCessna 170A · Kasigluk, AKThe student pilot's failure to maintain directional control during the landing roll in a crosswind.Jun 28, 2009 · N5490C · Substantial damage NTSB ANC04LA034Accident · No injuriesLimited investigationFinal reportCessna 170A · North Pole, AKThe pilot's delayed response in initiating an aborted takeoff, which resulted in an overrun and collision with a snowbank.Mar 5, 2004 · N515N · Substantial damage NTSB ANC03LA126Accident · No injuriesLimited investigationFinal reportCessna 170A · Skwentna, AKAn overload failure of the axle retaining nut/bolt assembly, which resulted in the separation of the axle/wheel assembly, and subsequent collapse of the right main landing gear strut during the landing roll.Sep 25, 2003 · N9006A · Substantial damage NTSB ANC03LA105Accident · No injuriesLimited investigationFinal reportCessna 170 · Seward, AKThe pilot's selection of unsuitable terrain for landing which resulted in a nose over during the landing roll. A factor contribuiting to the accident was the presence of soft sand.Aug 30, 2003 · N1293D · Substantial damage NTSB ANC01LA127Accident · Serious injuriesLimited investigationFinal reportCessna 170A · Chickaloon, AKThe pilot's delay in aborting the takeoff. Factors in the accident were the presence of trees at the end of the departure path, and the pilot's improper use of the carburetor heat control.Aug 29, 2001 · N9791A · Substantial damage NTSB ANC98LA136Accident · No injuriesLimited investigationFinal reportCessna 170A · North Pole, AKThe student pilot's inadvertent ground loop/swerve during the landing roll.Aug 24, 1998 · N9754A · Substantial damage NTSB ANC97LA130Accident · No injuriesLimited investigationFinal reportCessna 170A · Iliamna, AKthe pilot's inadequate compensation for wind conditions, and his failure to maintain directional control of the airplane, which resulted in a ground swerve and overload failure of the right main landing gear. Factors related to the accident were: the…Aug 24, 1997 · N9540A · Substantial damage NTSB ANC97LA032Accident · No injuriesLimited investigationFinal reportCessna 170A · Willow, AKThe pilot's excessive speed while taxiing. A factor in the accident was flat light conditions.Mar 8, 1997 · N1364D · Substantial damage NTSB ANC95LA041Accident · No injuriesLimited investigationFinal reportCessna 170A · Anchorage, AKThe pilot's failure to correct for torque/p factor when adding engine power for the go-around maneuver. The pilot's misjudged flare, delayed go-around, and lack of total experience were factors in the accident.Mar 29, 1995 · N1364D · Substantial damage NTSB FTW94LA310Accident · Minor injuriesLimited investigationFinal reportCessna 170A · Nikiski, AKThe pilot's improper descent rate. A factor was the check pilot's inadequate supervision.Sep 25, 1994 · N5583C · Destroyed NTSB ANC93LA074Accident · No injuriesLimited investigationFinal reportCessna 170 · Soldotna, AKThe inadequate handling of the airplane by the pilot-in-command.May 31, 1993 · N1260D · Substantial damage NTSB ANC92LA153Accident · Serious injuriesLimited investigationFinal reportCessna 170B · Ninilchik, AKThe student pilot entered a low altitude stall/mush during an airdrop maneuver. Factors contributing to the accident were: the low pass maneuver, and the improper altitude.Sep 2, 1992 · N1737D · Destroyed NTSB ANC91LA080Accident · No injuriesLimited investigationFinal reportCessna 170A · Kakeen, AKThe pilot's failure to maintain directional control of the airplane during the aborted takeoff. Contributing to the accident was the soft, rough, and uneven terrain.Jun 23, 1991 · N5739C · Substantial damage NTSB ANC91LA012Accident · No injuriesLimited investigationFinal reportCessna 170A · Healy, AKThe loss of engine power for undetermined reasons and the lack of suitable terrain for a forced landing.Nov 7, 1990 · N5468C · Substantial damage NTSB ANC90LA084Accident · No injuriesLimited investigationFinal reportCessna 170A · Wasilla, AKThe pilot failed to maintain directional control during the landing roll. The crosswind was a contributing factor.Jun 7, 1990 · N1334D · Substantial damage NTSB ANC88LA007Accident · No injuriesLimited investigationFinal reportCessna 170 · King Salmon, AKThe plt rprtd there was frost on the acft & that a rope had been used to smooth it off. He then initiated a takeoff from a dry lake bed. After lift-off, the acft settled back to the ground & struck a berm at the end of the takeoff area.Oct 12, 1987 · N1311D · Substantial damage NTSB ANC87LA166Accident · No injuriesLimited investigationFinal reportCessna 170A · Melozitna River, AKThe pilot attempted to takeoff from a River sandbar close to the water's edge. During the take off roll, one main landing gear tire entered the water and pulled the airplane into the water. The airplane subsequently nosed over and incurred substantial damage.Sep 21, 1987 · N9240A · Substantial damage NTSB ANC87LA059Accident · No injuriesLimited investigationFinal reportCessna 170 · Talkeetna, AKOn acceleration for takeoff the front seat adjusting catch became disengaged sliding aft to the rear. The pilot lost directional control of the aircraft causing the aircraft to nose over on its back. Examination of the left seat track shows the track was worn…Apr 18, 1987 · N1604D · Substantial damage NTSB ANC86LA104Accident · No injuriesLimited investigationFinal reportCessna 170 · Fairbanks, AKThe plt reported experiencing a total loss of pwr during cruise flt. He stated he switched fuel tanks and was temporarily able to regain pwr before experiencing a second total loss. Substantial damage resulted during the forced landing. During post accident…Jul 8, 1986 · N3864V · Substantial damage NTSB ANC86LA091Accident · No injuriesLimited investigationFinal reportCessna 170A · Tyonek, AKThe relatively inexperienced private pilot attempted to land his airplane on a gravel beach as the tide was receding. He failed to maintain directional control and the airplane was substantially damaged in the ensuing ground loop.Jun 27, 1986 · N9033A · Substantial damage NTSB ANC82DAG18Accident · Minor injuriesFinal reportCessna 170 · Big Lake, AKDuring a local flight, the pilot elected to land at the Big Lake airport. Before landing, he noted that weather was moving in from the northwest. Also, he noted that the wind sock was limp, but favored a landing to the west. He landed, and before taking off…Apr 25, 1982 · N170DM · Substantial damage NTSB ANC81FAA15Accident · Minor injuriesClosedCessna 170A · Fairbanks, AKMay 23, 1981 · N4768C · Substantial damage NTSB ANC81DAG32Accident · Minor injuriesClosedCessna 170A · Anchorage, AKMar 13, 1981 · N3864V · Substantial damage NTSB ANC79DAG70Accident · No injuriesClosedCessna 170A · Bethel, AKJul 27, 1979 · N5724C · Substantial damage NTSB ANC79DAG72Accident · Minor injuriesClosedCessna 170A · Palmer, AKJul 26, 1979 · N9535A · Substantial damage NTSB ANC79DAA15Accident · No injuriesClosedCessna 170A · Birch Lake, AKJun 9, 1979 · N9189A · Substantial damage NTSB ANC78FA080Accident · Serious injuriesClosedCessna 170-A · Anchorage, AKSep 22, 1978 · N9780A · Substantial damage NTSB ANC78DAG96Accident · No injuriesClosedCessna 170A · Talkeetna, AKAug 11, 1978 · N1716D · Destroyed NTSB ANC78DAG58Accident · No injuriesClosedCessna 170A · Anchorage, AKJun 6, 1978 · N9773A · Substantial damage NTSB ANC78DAG44Accident · Serious injuriesClosedCessna 170 · Wasilla, AKMay 3, 1978 · N9102A · Substantial damage NTSB ANC78DAG72Accident · No injuriesClosedCessna 170A · Soldotna, AKMay 2, 1978 · N1375D · Substantial damage NTSB ANC78DAG34Accident · No injuriesClosedCessna 170A · Sparrevohn, AKMar 24, 1978 · N1793D · Substantial damage NTSB ANC78FA016Accident · 3 fatalClosedCessna 170-A · Anchorage, AKJan 28, 1978 · N5476C · Substantial damage NTSB ANC77DAH35Accident · No injuriesClosedCessna 170A · Seward, AKSep 16, 1977 · N1364D · Substantial damage NTSB ANC77FA066Accident · 5 fatalClosedCessna 170-A · Portage Pass, AKJul 30, 1977 · N9543A · Destroyed NTSB ANC77DAG96Accident · No injuriesClosedCessna 170 · Mckinley Park, AKJul 24, 1977 · N9597A · Destroyed NTSB ANC77FAA09Accident · No injuriesClosedCessna 170A · Delta Junction, AKJan 9, 1977 · N9216A · Substantial damage NTSB ANC77DAG18Accident · No injuriesClosedCessna 170A · Sutton, AKNov 24, 1976 · N5418C · Substantial damage NTSB ANC76DAG28Accident · Minor injuriesClosedCessna 170A · Talkeetna, AKSep 1, 1975 · N9535A · Substantial damage NTSB ANC76DAA16Accident · No injuriesClosedCessna 170A · Clear, AKAug 30, 1975 · N9056A · Substantial damage NTSB ANC7LFAA05Accident · Minor injuriesClosedCessna 170A · Beaver Creek, AKJul 17, 1975 · N1778D · Destroyed NTSB ANC74FAA35Accident · Serious injuriesClosedCessna 170 · Mckinley Prk, AKMay 19, 1974 · N1312D · Destroyed NTSB ANC74FAA34Accident · No injuriesClosedCessna 170A · North Pole, AKMay 18, 1974 · N5583C · Substantial damage NTSB ANC74DAG98Accident · No injuriesClosedCessna 170A · Mt.Village, AKApr 12, 1974 · N5724C · Substantial damage NTSB ANC74AA045Accident · 3 fatalClosedCessna 170 · Anchorage, AKNov 17, 1973 · N9058A · Destroyed