# NTSB investigations: Lycoming 0-435A/0-435C, AK

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB GAA17CA264](https://openairdocs.org/ntsb/GAA17CA264.md): Stinson 108 · Pedro Bay, AK · Accident · No injuries · Data collection · Final report · May 6, 2017 · N9510K · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff roll.
- [NTSB ANC99LA137](https://openairdocs.org/ntsb/ANC99LA137.md): Stinson 108-2 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Sep 9, 1999 · N97978 · Substantial damage
  > A partial failure of the brake system. A factor associated with the accident was a leaking brake system.
- [NTSB ANC93LA140](https://openairdocs.org/ntsb/ANC93LA140.md): Stinson 108-2 · Near Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Aug 8, 1993 · N97978 · Substantial damage
  > The pilot in command's inadequate preflight planning and preparation. A factor in the accident was the pilot's lack of familiarity with the particular aircraft's performance.
- [NTSB ANC85LA087](https://openairdocs.org/ntsb/ANC85LA087.md): Stinson 108-3 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · May 28, 1985 · N6175M · Substantial damage
  > While landing with a gusty x-wind, the acft bounced, the left wing dragged the ground & the acft went off the rwy. The plt stated that due to the x-wind & his foot slipping off of the rudder pedal, he was unable to maintain directional control.
- [NTSB ANC84LA069](https://openairdocs.org/ntsb/ANC84LA069.md): Stinson 108-3 · Soldotna, AK · Accident · Serious injuries · Limited investigation · Final report · May 15, 1984 · N6807M · Substantial damage
  > The acft was established in normal cruise when the engine quit. The pilot attempted restarts with negative results. The acft made a forced landing and collided with trees. Post accident examination revealed water in the fuel tanks & lines.
- [NTSB ANC7LFAG50](https://openairdocs.org/ntsb/ANC7LFAG50.md): Cessna 170 · Palmer, AK · Accident · No injuries · Closed · Oct 7, 1975 · N3174A · Substantial damage
- [NTSB ANC74DAG91](https://openairdocs.org/ntsb/ANC74DAG91.md): Stinson 108-3 · Nicholi, AK · Accident · No injuries · Closed · Feb 25, 1974 · N6203M · Substantial damage
- [NTSB ANC73FAG38](https://openairdocs.org/ntsb/ANC73FAG38.md): Bellanca 14-13 · Mcgrath, AK · Accident · No injuries · Closed · Aug 10, 1972 · N69FB · Substantial damage
- [NTSB ANC72DAG79](https://openairdocs.org/ntsb/ANC72DAG79.md): Stinson 108-2 · Kodiak, AK · Accident · No injuries · Closed · Nov 24, 1971 · N9510K · Substantial damage
- [NTSB ANC72DAG19](https://openairdocs.org/ntsb/ANC72DAG19.md): Stinson 108-3 · Anchorage, AK · Accident · No injuries · Closed · Aug 16, 1971 · N6175M · Substantial damage
- [NTSB ANC71DAG24](https://openairdocs.org/ntsb/ANC71DAG24.md): Stinson 108-2 · Kenai, AK · Accident · No injuries · Closed · Sep 14, 1970 · N97978 · Substantial damage
- [NTSB ANC69F0065](https://openairdocs.org/ntsb/ANC69F0065.md): Navion B · Agle River, AK · Accident · Minor injuries · Closed · May 10, 1968 · N5408K · Substantial damage
- [NTSB ANC68D0087](https://openairdocs.org/ntsb/ANC68D0087.md): Stinson 108-2 · Pilot Point, AK · Accident · No injuries · Closed · Sep 21, 1967 · N9510K · Substantial damage
- [NTSB ANC66D0062](https://openairdocs.org/ntsb/ANC66D0062.md): Stinson 108-2 · Bethel, AK · Accident · No injuries · Closed · Jun 23, 1965 · N9688K · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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.engine_model_code IN ('41517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41517&state=AK

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.