# NTSB investigations: Lycoming IO-320 series, 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 WPR21LA328](https://openairdocs.org/ntsb/WPR21LA328.md): Piper PA-18-150 · Wasilla, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 20, 2021 · N89ZW · Substantial damage
  > The pilot’s inability to maintain control of the airplane during taxi after it encountered the prop wash from a larger airplane that was conducting a high-power engine run on the same taxiway.
- [NTSB WPR20LA314](https://openairdocs.org/ntsb/WPR20LA314.md): Piper PA30 · Homer, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 12, 2020 · N7669Y · Substantial damage
  > The pilot’s improper flare which resulted in a hard bounced landing and runway excursion.
- [NTSB WPR17FA108](https://openairdocs.org/ntsb/WPR17FA108.md): Piper PA 30 · Haines, AK · Accident · 2 fatal · Field investigation · Final report · May 27, 2017 · N7376Y · Substantial damage
  > The pilot's decision to turn toward the inoperative engine after conducting a low-level pass, which resulted in an aerodynamic stall at too low an altitude to recover. Contributing to the accident was the pilot's decision to perform the flight and the engine…
- [NTSB ANC15CA014](https://openairdocs.org/ntsb/ANC15CA014.md): Piper PA18 - 150 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Mar 8, 2015 · N5348T · Substantial damage
  > The pilot's failure to maintain control of the airplane during takeoff from an icy surface in gusty wind conditions.
- [NTSB ANC07CA030](https://openairdocs.org/ntsb/ANC07CA030.md): Piper PA-22 · Soldotna, AK · Accident · No injuries · Data collection · Final report · Apr 24, 2007 · N3579A · Substantial damage
  > The pilot's failure to compensate for a crosswind during the landing roll, which resulted in a loss of control, an encounter with a muddy berm, and a nose over. A factor in the accident was a crosswind.
- [NTSB ANC05CA134](https://openairdocs.org/ntsb/ANC05CA134.md): Champion 7KCAB · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Sep 3, 2005 · N63995 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in a nose over during the landing roll. A factor contributing to the accident was a depression/ditch in the landing surface.
- [NTSB ANC02LA087](https://openairdocs.org/ntsb/ANC02LA087.md): Piper PA-18 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Aug 1, 2002 · N4948 · Substantial damage
  > The pilot's inadequate compensation for wind conditions and his failure to maintain directional control during an aborted landing, which resulted in an in-flight collision with a culvert. A factor associated with the accident was a wind gust.
- [NTSB ANC01LA124](https://openairdocs.org/ntsb/ANC01LA124.md): Piper PA-18-135 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Aug 19, 2001 · N9963Q · Substantial damage
  > The pilot's excessive use of brakes during the landing roll.
- [NTSB ANC00LA070](https://openairdocs.org/ntsb/ANC00LA070.md): Piper PA-18-160 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Jun 14, 2000 · N9963Q · Substantial damage
  > The pilot's inadequate compensation for wind conditions. A factor associated in the accident was a variable wind.
- [NTSB ANC96LA155](https://openairdocs.org/ntsb/ANC96LA155.md): Champion 7GCBC · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Sep 15, 1996 · N9033L · Substantial damage
  > the pilot's improper planning/decision. Related factors were: the terrain condition, unfavorable (lee-side) wind, and trees.
- [NTSB ANC95LA155](https://openairdocs.org/ntsb/ANC95LA155.md): Champion 7GCBC · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 1995 · N9033L · Substantial damage
  > The pilot's failure to maintain a proper rate of descent during the approach to land, and his misjudgment of altitude to flare for landing on glassy water. The glassy water condition was a related factor.
- [NTSB ANC90LA004](https://openairdocs.org/ntsb/ANC90LA004.md): Champion 7KCAB · Montague Island, AK · Accident · No injuries · Limited investigation · Final report · Oct 8, 1989 · N5222X · Substantial damage
  > Selection of unsuitable terrain by the pilot. Contributing factors were: rough terrain, gusty winds, high vegetation, and trees.
- [NTSB ANC85FA146](https://openairdocs.org/ntsb/ANC85FA146.md): Piper PA-30 · Kodiak, AK · Accident · 2 fatal · Field investigation · Final report · Aug 5, 1985 · N7811Y · Destroyed
  > During a wx briefing at 0719 adt, the plt was advised that VFR flt was not recommended. Later, at 0827. He called the fss to update his wx & filed an IFR clearance. At 0938, the acft departed anchorage. During arrival at Kodiak, the acft was cleared for an…
- [NTSB ANC85LA126](https://openairdocs.org/ntsb/ANC85LA126.md): Champion 7KCAB · Glennallen, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 1985 · N9045L · Substantial damage
  > The pilot-in-command made a low pass over the airstrip from south to north and UP0N reaching the departure end began a right hand turn at 50 to 75 foot above ground level. Upon reaching 30 to 40 degrees angle of bank, he lost control of the airplane.…
- [NTSB ANC84FA190](https://openairdocs.org/ntsb/ANC84FA190.md): Bellanca 8KCAB · Ouzinkie, AK · Accident · Serious injuries · Field investigation · Final report · Sep 17, 1984 · N8592 · Substantial damage
  > Plt completed 5 turn spin, cockpit began filling with smoke. Electrical equipment was turned off and plt was descending for precautionary landing when elevator control was lost. Acft settled into 75 ft tall trees. Source of fire which resulted in battery…
- [NTSB ANC76FAA35](https://openairdocs.org/ntsb/ANC76FAA35.md): Bellanca 7KCAB · Fairbanks, AK · Accident · No injuries · Closed · May 7, 1976 · N5280X · Substantial damage
- [NTSB ANC72DAG88](https://openairdocs.org/ntsb/ANC72DAG88.md): Piper PA-22 · Seldovia, AK · Accident · No injuries · Closed · Jan 17, 1972 · N3579A · Substantial damage
- [NTSB ANC71FAG68](https://openairdocs.org/ntsb/ANC71FAG68.md): Champion 7KCAB · Anchorage, AK · Accident · No injuries · Closed · Feb 15, 1971 · N9045L · 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 ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&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.